EBB Sword

The user wants me to read the relevant files for Emoji Ball Battles and also look at the git diff to understand what was done last session with the Sword. Let me start by reading the files mentioned in CLAUDE.md and then check the git diff.

<tool_use_error>File does not exist.</tool_use_error>

<tool_use_error>Sibling tool call errored</tool_use_error>

<tool_use_error>Sibling tool call errored</tool_use_error>

E:\a327ex\anchor.blot.im\notes\Anchor Engine Overview.md

E:\a327ex\emoji-ball-battles\docs\FRAMEWORK_API_QUICK.md

4119ead EBB Sword (Redo)
b523f5a Update todo
97b1a4c EBB Status Effect System Design
2dc6c03 Sync API documentation and update main.lua
626d713 EBB Weapon Design and Plan
413decf EBB Gameplay Mechanics, UI 2
dd8e77f EBB UI 1
23ae623 EBB Sounds 1
647a264 EBB Visual Polish
ed892d7 Wall Dither Checkpoint

1→Generated by Claude (Opus 4.5)
     2→
     3→---
     4→
     5→# Anchor Engine Overview
     6→
     7→Anchor is a 2D game engine for solo indie developers. It combines a C core with YueScript (a language that compiles to Lua) for game logic. The engine handles rendering, physics, audio, and input while the framework provides high-level abstractions for building games quickly.
     8→
     9→---
    10→
    11→## Core Philosophy
    12→
    13→**Locality** — Everything about a game object lives in one place. No scattered configuration files, no registering components in separate systems. A class definition contains its properties, behaviors, children, and cleanup logic together.
    14→
    15→**No bureaucracy** — No imports, no dependency injection, no boilerplate. Resources are registered once and accessed globally. Things work without setup.
    16→
    17→**YueScript** — A clean syntax that compiles to Lua. Classes, `@` for self-reference, significant whitespace, operator overloading. Pleasant to read and write.
    18→
    19→---
    20→
    21→## Architecture
    22→
    23→```
    24→┌─────────────────────────────────────────┐
    25→│  Game Code (YueScript)                  │
    26→│  - Your game objects and logic          │
    27→├─────────────────────────────────────────┤
    28→│  Framework (YueScript)                  │
    29→│  - object, layer, timer, collider, etc. │
    30→├─────────────────────────────────────────┤
... [601 more lines]

1→# Framework API Quick Reference
     2→
     3→Function signatures for YueScript framework classes. See `FRAMEWORK_API.md` for detailed documentation with examples.
     4→
     5→## Initialization
     6→
     7→```
     8→require('anchor')
     9→  width: 640        -- game resolution width (default: 480)
    10→  height: 360       -- game resolution height (default: 270)
    11→  title: "My Game"  -- window title (default: "Anchor")
    12→  scale: 2          -- initial window scale (default: 3)
    13→  vsync: true       -- vertical sync (default: true)
    14→  fullscreen: false -- start fullscreen (default: false)
    15→  resizable: true   -- window resizable (default: true)
    16→  filter: "rough"   -- "rough" or "smooth" (default: "rough")
    17→```
    18→
    19→## Root Object (an)
    20→
    21→### Engine State (Static)
    22→```
    23→an.width -> int           -- game resolution width
    24→an.height -> int          -- game resolution height
    25→an.dt -> number           -- fixed delta time (1/120)
    26→an.platform -> string     -- "web" or "windows"
    27→```
    28→
    29→### Engine State (Dynamic - updated every frame)
    30→```
... [622 more lines]

<persisted-output>
Output too large (42.1KB). Full output saved to: C:\Users\adn\.claude\projects\E--a327ex\43140679-aaa3-4334-8fb9-32f19383ee27\tool-results\toolu_01SQDk8Tq91snhwVSMM26dKR.txt

Preview (first 2KB):
diff --git a/main.yue b/main.yue
index ddfd31a..076922f 100644
--- a/main.yue
+++ b/main.yue
@@ -50,14 +50,17 @@ actual_outline_only = an\layer 'actual_outline_only' -- result of outline_only s
 effects = an\layer 'effects'
 effects_outline = an\layer 'effects_outline'
 recolor_blue = an\layer 'recolor_blue'
+recolor_yellow = an\layer 'recolor_yellow'
 ui = an\layer 'ui'
 ui_outline = an\layer 'ui_outline'
 shadow = an\layer 'shadow'
 debug_draw = an\layer 'debug_draw'
 
+--[[
 -- UI layers don't use camera (no shake)
 ui.camera = nil
 ui_outline.camera = nil
+]]
 
 -- Shaders
 an\shader 'shadow', 'assets/shadow.frag'
@@ -72,7 +75,7 @@ an\image 'cowboy_hit', 'assets/cowboy_hit.png'
 an\image 'no_mouth', 'assets/no_mouth.png'
 an\image 'no_mouth_hit', 'assets/no_mouth_hit.png'
 an\image 'dagger', 'assets/dagger.png'
... [35 more lines]

The diff is large. Let me read the full diff output and also the main.yue file to understand the current state.

1→diff --git a/main.yue b/main.yue
     2→index ddfd31a..076922f 100644
     3→--- a/main.yue
     4→+++ b/main.yue
     5→@@ -50,14 +50,17 @@ actual_outline_only = an\layer 'actual_outline_only' -- result of outline_only s
     6→ effects = an\layer 'effects'
     7→ effects_outline = an\layer 'effects_outline'
     8→ recolor_blue = an\layer 'recolor_blue'
     9→+recolor_yellow = an\layer 'recolor_yellow'
    10→ ui = an\layer 'ui'
    11→ ui_outline = an\layer 'ui_outline'
    12→ shadow = an\layer 'shadow'
    13→ debug_draw = an\layer 'debug_draw'
    14→ 
    15→+--[[
    16→ -- UI layers don't use camera (no shake)
    17→ ui.camera = nil
    18→ ui_outline.camera = nil
    19→+]]
    20→ 
    21→ -- Shaders
    22→ an\shader 'shadow', 'assets/shadow.frag'
    23→@@ -72,7 +75,7 @@ an\image 'cowboy_hit', 'assets/cowboy_hit.png'
    24→ an\image 'no_mouth', 'assets/no_mouth.png'
    25→ an\image 'no_mouth_hit', 'assets/no_mouth_hit.png'
    26→ an\image 'dagger', 'assets/dagger.png'
    27→-an\image 'gun', 'assets/gun.png'
    28→+an\image 'sword', 'assets/sword.png'
    29→ an\image 'gun', 'assets/gun.png'
    30→ an\image 'boom', 'assets/boom.png'
... [946 more lines]

4119ead EBB Sword (Redo)
Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

b523f5a Update todo
Co-Authored-By: Claude Opus 4.5 <[email protected]>

97b1a4c EBB Status Effect System Design
Designed a comprehensive status effect system for Emoji Ball Battles, defining 11 distinct effects with unique mechanics, stack behaviors, and scaling paths. Also created 65+ items that interact with these effects.

**Todo System Setup:**

- Created `todo.md` with priority-ordering convention (highest priority first)
- Established that todo.md is for idea tracking, not active implementation
- Implementation plans remain separate from the todo file

**Status Effect Research Phase:**

- Researched status effects across 10 games: Path of Exile, League of Legends, Dota 2, Risk of Rain 2, Isaac, Hades, Deadlock, Artifact, Slay the Spire, Tree of Savior
- Identified categories: DoTs, movement impairment, hard CC, displacement, damage modification, defense reduction, attack/ability impairment, forced action, resource manipulation
- Compiled findings into `reference/status-effects-research.md`
- Key insight: Different stack mechanics exist - Intensity (scales with stacks), Duration (lasts X turns), Counter (triggers on event), Independent (each stack separate)

**Status Effect Definitions:**

- **Poison (P):** Independent stacks, 0.5s tick rate, 1 damage per tick, 2s per stack duration (each stack = 4 damage). At 1 hit/s ≈ 4 DPS. User correction: "stacks last 2s, not consumed on first tick"
- **Bleed (B):** Counter mechanic, triggers on wall hits, 1 damage per wall hit, consumes 1 stack. Synergizes with knockback
- **Burn (B):** Refreshing stacks, 2s tick rate, 6s duration (3 ticks), damage = current stacks per tick. All stacks cleared on expiry. Scales quadratically with +stacks/hit items
- **Slow (S):** Independent stacks, affects rotation speed only (-X% per stack), 4s per stack, soft cap at 10 stacks. User specified: "2, no stack cap, more than 10 doesn't do anything"
- **Ground (G):** Counter mechanic, -0.1 restitution per stack, consumed on floor bounce, disables energy maintenance and unstick hop. At 10 stacks = 0 restitution = instant grounding
- **Stun (T):** Threshold mechanic (5 stacks triggers), 1s weapon disable, duration scales with stacks accumulated
- **Freeze (F):** Threshold mechanic (5 stacks triggers), 1s full disable (ball + weapon), shatter bonus damage while frozen, duration scales with stacks
... [67 more lines]

Now I have a good understanding of what happened. Let me also check the weapon design docs to understand the original sword design intent.

[
  {
    "type": "text",
    "text": "Perfect! I've extracted all the sword-related information from the codebase. Here's a comprehensive report:\n\n## Sword Weapon Design - Complete Extraction\n\n### From WEAPON_DESIGN.md\n\n**Basic Design (Line 292):**\n- Emoji: \ud83d\udde1\ufe0f (derived from \u2694\ufe0f)\n- Effect: +1 damage per hit\n- Category: Basic melee, baseline for damage\n\n**Weapon Tags (Lines 340-341):**\n```\nWeapon: \ud83d\udde1\ufe0f Sword\nDescription: +1 damage per hit\nTags: Physical, Rotation\n```\n\n### From PHASE2_WEAPONS.md\n\n**Implementation Details (Lines 17-19):**\n```\n| Weapon | Description | Tags | Scaling |\n|--------|-------------|------|---------|\n| \ud83d\udde1\ufe0f Sword | Basic melee, baseline for damage | Physical, Rotation | +1 damage per hit |\n```\n\n**Implementation Notes (Lines 21-24):**\n- Sword is the **simplest rotation weapon** \u2014 use as template for other rotation weapons\n- Foundation weapon for baseline damage mechanics\n- Meant to be used as a reference implementation for other rotation-based weapons\n\n**Implementation Order (Line 179):**\n- Sword is listed as **Priority #1 in the implementation sequence**\n- Designation: \"Sword (simplest rotation, damage scaling baseline)\"\n- Precedes Bow and Hammer in the foundation phase\n\n### Architecture Context (Lines 217-219):**\n```\nweapon_category: 'melee'\n\u2014 deals contact damage through rotation (Dagger, Sword, Knife, Hammer)\n```\n\n### Scaling System (Lines 224-231):**\n```\nAll weapons scale some stat per successful hit:\n@hits_landed += 1\n@scaled_stat = @base_stat + (@hits_landed * @stat_increase_per_hit)\n\nFor Sword: each hit adds +1 to base damage\n```\n\n### In todo.md\n\n**Result:** No sword-specific notes found in the todo.md file. The todo list focuses on status effects UI, class implementations (Fencer, Spellblade), and specialized items\u2014no sword implementation tasks are currently tracked there.\n\n---\n\n## Summary\n\nThe Sword is the **foundational melee weapon** in emoji-ball-battles, designed as the simplest rotation-based weapon to serve as a template for more complex melee weapons. It deals basic contact damage and scales linearly (+1 damage per successful hit), making it the ideal starting point for weapon implementation."
  },
  {
    "type": "text",
    "text": "agentId: ae7b0b6 (for resuming to continue this agent's work if needed)\n<usage>total_tokens: 25866\ntool_uses: 4\nduration_ms: 22762</usage>"
  }
]

Now I have a comprehensive understanding. Let me summarize what happened:

1. The original design for the Sword was simple: "+1 damage per hit" — a linear scaling weapon that serves as the baseline melee template.

2. In the last session ("EBB Sword (Redo)"), the implementation went in a different direction. Instead of the simple +1 damage per hit, they implemented a more complex system:

**What was implemented:**

- A **threshold-based charging system**: The sword doesn't get +1 damage per hit directly. Instead:
  - Each hit increments `damage_threshold_progress` (with a 0.5s cooldown between counting hits)
  - When progress reaches `damage_threshold` (5 hits), the sword enters a "charging" state
  - During charging: the sword turns white, grows bigger, spawns a flame effect, shakes increasingly
  - If the sword hits while charging, it gets the +1 damage AND a big charge-based hit effect
  - The charge resets after hitting

- **Sword-specific stats**: heavier weight (1.5x), longer hit stops (1.4x), bigger particles (1.2x), stronger camera shake (1.5x)

- **Flame visual system**: A whole `sword_flame` class was built to create a candle-like effect that animates during the charging state.

- **Supporting classes**: `fire_particle`, `sword_charge_particle`, `energy_strand`, `status_text` (for "+1 dmg" popup)

- **recolor_yellow layer** added for the status text

The original approach of +1 damage per hit felt too strong, so they switched to this threshold system where you need 5 consecutive hits to trigger the charge and earn the bonus. But the user isn't satisfied with how this feels either.

The user wants me to categorize the code changes from the last session into "keep" vs "probably not needed" buckets. Let me go through the diff systematically.

Let me categorize all the changes:

1. **`recolor_yellow` layer** — new layer + render/draw pipeline addition
2. **UI camera commented out** — `ui.camera = nil` and `ui_outline.camera = nil` commented out
3. **`sword` image registration** — `an\image 'sword', 'assets/sword.png'`
4. **Letter images for text popups** — a-z + 'plus' image registration
5. **Enemy ball uses 'sword' instead of 'dagger'**


6. **Weapon weight system** — `weapon_weight` property that scales post-collision velocity and angular velocity changes
7. **Impact effect multipliers** — per-weapon tuning for hit particles, hit stop duration, and camera shake intensity
8. **`weapon_perpendicular_offset`** — generalized offset calculation instead of hardcoded values
9. **`base_damage`** — moved from hardcoded constant to a configurable ball property
10. **`last_angular_velocity` tracking** — storing previous rotation state to measure impact-induced spin changes
11. **Moved `base_angular_velocity` and `max_angular_velocity` into per-weapon config** — each weapon type has its own rotation parameters
12. **Sword and dagger weapon type configs** — distinct property blocks for each weapon, with dagger branching into its own angular velocity increase logic and sword handling the full charging threshold system
13. **Charge state properties** — tracking damage threshold progress and cooldown, plus all the visual feedback variables like charge color, scale, offset, shake intensity, wobble behavior, and charge duration
14. **Charging text and visual effects** — displaying the charging indicator with animated dots, shaking both the ball and weapon during the charge buildup, applying scale transformations, and adding a white tint flash
15. **Particle and effect classes** — implementing flame bursts that rise and fade, charge particles that follow the sword's movement, wiggly energy strands, and floating status text displays
16. **Sword flame physics** — applying forces based on rotation and velocity, tracking charge duration, and updating hit effects with multiplier parameters for both damage and camera shake intensity
17. **Weapon UI and debug adjustments** — adding damage and threshold rows to the sword interface, replacing old test keys with a status text debug option, renaming variables for clarity, and refining the overall weapon system architecture

Now I'm evaluating what's worth keeping for future features — the recolor layer, letter rendering system, and per-weapon impact multipliers are solid foundations, while the sword-specific charging mechanics and branching logic by weapon type provide a good template for adding more weapon variants. I should also discard the `energy_strand` class and all the charge progression timers since those are tied to the charging mechanic. There's some uncertainty around whether the UI camera was intentionally disabled or left as debug code, and I need to decide whether those test keys should stay or be cleaned up.

The user wants me to:

1. Remove all the threshold/charging mechanic code
2. Remove `sword_charge_particle` class
3. Remove `energy_strand` class
4. Remove Test Key 'T'
5. Keep: sword_flame, fire_particle, status_text, all the generalization changes

Let me read the current main.yue to understand exactly what to edit.

File content (38948 tokens) exceeds maximum allowed tokens (25000). Please use offset and limit parameters to read specific portions of the file, or use the GrepTool to search for specific content.

1→global *
     2→
     3→require('anchor')
     4→  width: 480
     5→  height: 270
     6→  scale: 3
     7→
     8→-- Game dimensions
     9→gw, gh = an.width, an.height
    10→
    11→-- Twitter emoji color palette
    12→white = color 255, 255, 255
    13→black = color 0, 0, 0
    14→gray = color 128, 128, 128
    15→bg_color = color 48, 49, 50
    16→fg = color 231, 232, 233
    17→fg_dark = color 201, 202, 203
    18→yellow = color 253, 205, 86
    19→star_yellow = color 255, 172, 51
    20→orange = color 244, 146, 0
    21→blue = color 83, 175, 239
    22→green = color 122, 179, 87
    23→red = color 223, 37, 64
    24→purple = color 172, 144, 216
    25→brown = color 195, 105, 77
    26→wall_color = fg\clone!\mix yellow, 0.1
    27→
    28→-- Sky colors (subtle blue gradient)
    29→sky_top = color 135, 206, 235     -- light sky blue
    30→sky_bottom = color 231, 232, 233  -- same as fg (off-white)
... [470 more lines]

501→      else
   502→        -- Normal energy redistribution system
   503→        speed_ratio = math.remap(max_speed, 0, @max_ball_speed, 0, 1)
   504→        if an.random\bool speed_ratio*100
   505→          energy_a = vx_a*vx_a + vy_a*vy_a
   506→          energy_b = vx_b*vx_b + vy_b*vy_b
   507→          total_energy = energy_a + energy_b
   508→
   509→          -- Only redistribute if both balls have some energy (preserves direction)
   510→          if total_energy > 0 and energy_a > 0.01 and energy_b > 0.01
   511→            -- Current energy distribution ratio
   512→            ratio_a = energy_a/total_energy
   513→
   514→            -- Normal distribution centered at 0.5
   515→            -- Stddev shrinks as speed increases: wide spread at low speed, tight at high speed
   516→            stddev = math.remap(speed_ratio, 0, 1, 0.3, 0.1)
   517→            random_ratio = an.random\normal(0.5, stddev)
   518→
   519→            -- Blend from current ratio toward normal random based on speed
   520→            -- At low speed: stays close to physics result
   521→            -- At high speed: moves toward middle-favoring random
   522→            new_ratio_a = math.lerp(speed_ratio, ratio_a, random_ratio)
   523→            new_ratio_a = math.clamp(new_ratio_a, 0.05, 0.95)
   524→
   525→            -- Calculate new energies and scale velocities (preserves direction)
   526→            new_energy_a = total_energy*new_ratio_a
   527→            new_energy_b = total_energy*(1 - new_ratio_a)
   528→
   529→            scale_a = math.sqrt(new_energy_a/energy_a)
   530→            scale_b = math.sqrt(new_energy_b/energy_b)
... [470 more lines]

1001→
  1002→  -- Spawn 2-3 random plant groups on the arena floor without overlap
  1003→  spawn_plants: =>
  1004→    floor_y = @y + @h
  1005→    num_groups = an.random\int 2, 3
  1006→    spawned = {}  -- {left, right} for each spawned group
  1007→
  1008→    for i = 1, num_groups
  1009→      -- Try to find a non-overlapping position
  1010→      attempts = 0
  1011→      while attempts < 20
  1012→        group_index = an.random\int 1, 8
  1013→        extent = @plant_group_extents[group_index]
  1014→
  1015→        -- Random x within arena bounds (accounting for group extent)
  1016→        min_x = @x - extent.left + 5
  1017→        max_x = @x + @w - extent.right - 5
  1018→        if max_x > min_x
  1019→          spawn_x = an.random\float min_x, max_x
  1020→
  1021→          -- Check overlap with already spawned groups
  1022→          overlaps = false
  1023→          for s in *spawned
  1024→            new_left = spawn_x + extent.left
  1025→            new_right = spawn_x + extent.right
  1026→            if new_left < s.right and new_right > s.left
  1027→              overlaps = true
  1028→              break
  1029→
  1030→          if not overlaps
... [470 more lines]

1501→    ray_end_y = gun_tip_y + ray_length*math.sin(@angle)
  1502→
  1503→    -- debug_draw\line gun_tip_x, gun_tip_y, ray_end_x, ray_end_y, 2, red!
  1504→
  1505→    hit = an\raycast gun_tip_x, gun_tip_y, ray_end_x, ray_end_y, 'ball'
  1506→    hit and hit.object.team != @team
  1507→
  1508→  -- Fire a single shot with all effects at current position
  1509→  fire_single_shot: =>
  1510→    -- Sound
  1511→    an\sound_play "gun_fire_#{an.random\int(1, 3)}", 0.63, an.random\float(0.95, 1.05)
  1512→
  1513→    gun_tip_offset = @weapon_visual_offset + 12
  1514→    perpendicular = @angle - math.pi/2
  1515→
  1516→    -- Spawn boom particle
  1517→    boom_offset = an.random\float(0.9, 1.1)*gun_tip_offset
  1518→    boom_x = @x + boom_offset*math.cos(@angle) + 10*math.cos(perpendicular)
  1519→    boom_y = @y + boom_offset*math.sin(@angle) + 10*math.sin(perpendicular)
  1520→    @parent.effects\add boom_particle boom_x, boom_y
  1521→
  1522→    -- Weapon feedback
  1523→    @spring\pull 'weapon', 0.6, 3, 0.7
  1524→    @spring\pull 'hit', 0.25, 3, 0.5
  1525→    @\recoil_weapon!
  1526→    @weapon_ui\shoot!
  1527→
  1528→    -- Spawn projectile
  1529→    @parent.projectiles\add projectile boom_x, boom_y,
  1530→      velocity: 15
... [470 more lines]

2001→    @vy -= 100*dt
  2002→    @x += @vx*dt
  2003→    @y += @vy*dt
  2004→
  2005→    effects\circle @x, @y, @radius, @color!
  2006→
  2007→
  2008→
  2009→-- Sword charge particle: follows sword transform, drifts upward in world space
  2010→class sword_charge_particle extends object
  2011→  new: (@local_x, @local_y, args={}) =>
  2012→    super!
  2013→    @vx = an.random\float -30, 30
  2014→    @vy = an.random\float -60, -20
  2015→    @wx, @wy = 0, 0
  2016→    @radius = an.random\float(2.5, 3)*(args.size_multiplier or 1)
  2017→    @color = args.color_1 and args.color_1\clone! or color(255, 220, 60)\clone!
  2018→    @color_2 = args.color_2 or color(255, 60, 20)!
  2019→
  2020→    duration = args.duration or an.random\float 0.3, 0.8
  2021→
  2022→    @\add timer!
  2023→    @timer\after 0.6*duration, ->
  2024→      @timer\tween 0.4*duration, @, {radius: 0}, math.linear, -> @\kill!
  2025→    @timer\tween duration, @color, {r: @color_2.r, g: @color_2.g, b: @color_2.b}, math.linear
  2026→
  2027→  update: (dt) =>
  2028→    @vx = math.damping(0.9, 0.5, dt, @vx)
  2029→    @vy -= 100*dt
  2030→    @wx += @vx*dt
... [470 more lines]

Now I have a good understanding of the full file. Let me plan all the edits needed:

1. **Remove `sword_charge_particle` class** (lines 2009-2043)
2. **Remove `energy_strand` class** (lines 2248-2283)
3. **Remove Test Key 'T'** (lines 894-901)
4. **Remove threshold/charging mechanic from arena early_update** (lines 803-881, the `charge_hit_intensity` tracking and the entire `elseif attacker.weapon_type == 'sword'` block)
5. **Remove charging-related properties from ball class**:
   - The `charging_text` spring property
   - All weapon charging variables tracking the charge state and duration
   - The damage threshold properties and their cooldown logic
   - The charge duration tracking in the update loop
   - The ball shake effect that occurs during charging, reverting to the base drawing behavior

Now I need to remove the weapon charging visuals from the drawing code — the charge offset, weapon shake during charging, and the charge scale effect. I also need to strip out the charging UI block from the weapon type logic and remove the charge hit intensity from all the hit effect calls. For the sword's on-hit behavior, I'm thinking it should be simpler than what's currently there, maybe just the basic hit logic without the extra angular velocity mechanics.

Since the user wants a straightforward sword that deals 1 damage on contact, the existing melee damage call already handles that. The weapon UI for the sword can just show a single DAMAGE row like the dagger does, since we're removing the threshold system. Let me go through these edits systematically.

Removing charge-related tracking...

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

2028:      shake = @parent.weapon_charge_shake or 0

There's still a reference to `weapon_charge_shake` in the `sword_flame` class. Since we're keeping `sword_flame`, but it referenced `weapon_charge_shake` for shake offset. Since the charging system is gone, `weapon_charge_shake` will always be nil/0. The `or 0` handles this gracefully. But it's a bit confusing to reference a property that no longer exists. Let me check if there are other places in sword_flame that reference charging-related properties.

2028:      shake = @parent.weapon_charge_shake or 0

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

No matches found

187:an\physics_sensor 'weapon_hitbox', 'ball'

188-an\physics_sensor 'weapon_hitbox', 'plant_ghost'

189-an\physics_sensor 'plant_ghost', 'ball'

190-

191--- Render and composite layers

192-draw = ->

193-  bg\render!

194-  back\render!

195-  game\render!

196-  front\render!

197-  cover\render!

198-  weapons\render!

199-  outline_only\render!

200-  effects\render!

201-  recolor_blue\render!

202-  recolor_yellow\render!

203-  ui\render!

204-  debug_draw\render!

205-

206-  -- Recolor blue sprites and composite into effects

207-  shader_set_vec4_immediate an.shaders.recolor, "u_target_color", 0.231, 0.533, 0.765, 1

208-  effects\draw_from recolor_blue, an.shaders.recolor

209-

210-  -- Recolor yellow sprites and composite into effects (using red)

211-  shader_set_vec4_immediate an.shaders.recolor, "u_target_color", 223/255, 37/255, 64/255, 1

212-  effects\draw_from recolor_yellow, an.shaders.recolor

--
788:    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'

789:      attacker = event.a  -- weapon_hitbox tag (ball that owns the weapon)

790-      defender = event.b  -- ball tag (ball that got hit)

... [51 more lines]

1309:    -- Draw ball with world-aligned squash

1310-    squash_x = @spring.squash_x.x

1311-    squash_y = @spring.squash_y.x

1312-    hit_scale = @spring.hit.x

1313-    game\push @x, @y, 0, squash_x, squash_y           -- world-aligned squash (no rotation)

1314-    game\push 0, 0, @angle, @scale*hit_scale, @scale*hit_scale  -- rotation + base scale

1315-    game\image @image, 0, 0, nil, @ball_flashing and white!

1316-    game\pop!

1317-    game\pop!

1318-

1319-    -- Draw weapon at offset, rotated with ball (recoil_offset pulls gun toward ball)

1320-    actual_offset = @weapon_visual_offset - @weapon_recoil_offset

1321-    perpendicular_angle = @angle - math.pi/2

1322-    weapon_x = @x + actual_offset*math.cos(@angle) + @weapon_perpendicular_offset*math.cos(perpendicular_angle)

1323-    weapon_y = @y + actual_offset*math.sin(@angle) + @weapon_perpendicular_offset*math.sin(perpendicular_angle)

1324-    weapon_spring = @spring.weapon.x

1325-    weapons\push weapon_x, weapon_y, @angle + @weapon_rotation_offset + @weapon_recoil, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring

1326-    weapons\image @weapon_image, 0, 0, nil, @weapon_flashing and white!

1327-    weapons\pop!

1328-

1329-    -- Debug draw weapon hitbox

@echo off

cd /d "%~dp0"

.\yue.exe -r main.yue

.\yue.exe -r anchor/

.\anchor.exe .

The user doesn't want to proceed with this tool use. The tool use was rejected (eg. if it was a file edit, the new_string was NOT written to the file). STOP what you are doing and wait for the user to tell you how to proceed.

The user wants a sword mechanic where:

1. Sword rotates normally (like dagger)
2. When a raycast from the sword tip detects the enemy, it stops rotating and lunges toward them
3. Similar to how the gun works (gun detects alignment via raycast, then fires) but instead of spawning a projectile, the sword itself lunges forward

Let me think about this mechanically and what it would involve:

**How the gun works currently:**

- `gun_is_aligned` does a raycast from the gun tip in the direction of the angle
- A `when` timer watches for alignment + cooldown ready
- When aligned, `gun_fire` triggers: spawns projectile, applies recoil spring, starts cooldown


- 
Now I'm thinking through the sword lunge implementation. I'd raycast from the sword tip to detect when it's aimed at the enemy, then freeze the rotation and drive the weapon forward—either by tweening the visual and hitbox offsets outward, applying an impulse to push the sword in that direction, or creating a temporary extended hitbox. After the lunge completes, it returns to normal rotation with a cooldown before the next lunge can trigger. the ball's rotation and resume it afterward, then apply a small impulse to push the ball forward in the sword's direction. The existing weapon hitbox should handle collision detection since it moves with the weapon offset during the lunge.

Actually, I'm realizing the constraint here—the weapon hitbox is a fixed Box2D shape attached to the ball's body, so I can't easily tween its offset. Instead, I could either apply a strong impulse to make the ball physically lunge forward while its hitbox travels with it, create a temporary extended hitbox just for the lunge duration, or rely purely on the visual sword extension without changing the actual collision geometry.

I'm leaning toward the impulse approach since it feels the most physical and natural. The idea would be to stop the ball's rotation, thrust it toward the enemy, then let it recover and resume spinning—that quick lock-on and decisive thrust should feel satisfying.

The user is asking about thematic fit. Let me think about this honestly.

A sword thrust/lunge is a real fencing move — rapiers, longswords, and even shorter swords all have thrust attacks. It's not the most iconic sword move though. The most iconic sword move is a slash/swing, which is what the rotation already does. A thrust is more associated with:

- Spears/lances (primary attack)
- Rapiers/fencing swords (primary attack)
- Regular swords (secondary attack, but still valid)

The user is right that a spear would be the most thematic fit for a thrust. But there's no spear emoji. Let me think about what emojis exist...


Actually, wait — there's a trident emoji 🔱, and I'm remembering from the weapon design doc that trident was one of the planned Phase 2 weapons. Let me verify that against the full list: Sword, Kitchen Knife, Trident, Bow, Shield, Boomerang, Boxing Glove, Wrench, Syringe, Log, Spoon, Magic Wand, Pencil, Pen, Umbrella, Clock, Candle, Honeypot, Hammer. Yes, trident is definitely in there, so a thrust attack would be much more thematic for that weapon than for a sword.

For the sword itself, I'm thinking the rotation-plus-thrust combo could actually work well — the spin gives you that slashing feel while the thrust adds a lunge/stab element, creating a complete swordfighter vibe. But I should probably suggest that a trident would be better suited for the pure thrust mechanic, and explore what would feel more distinctly "sword-like" instead — maybe an overhead slam, a parry counter, or a dash-through attack.

Actually, reconsidering it, thrusts are fundamental to sword combat — fencing is built on them. Since the ball's already spinning for the slash, adding a thrust as the special move gives the sword both offensive modes, which mirrors how real swords work. I'll be straightforward with the user about the options and let them choose what feels right.

The user wants to proceed with implementing the thrust mechanic on the sword. Let me plan the implementation:

**What needs to happen:**

1. **`sword_is_aligned` method** — raycast from sword tip to detect enemy (like `gun_is_aligned`)
2. **Thrust trigger** — `when` timer that watches for alignment + cooldown (like gun's `gun_fire` setup)
3. **Thrust execution** (`sword_thrust` method):
   - Stop rotation (set angular velocity to 0, maybe `set_fixed_rotation true`)
   - Set gravity scale to 0
   - Apply impulse toward the enemy direction
   - Track that we're in "thrusting" state


4. **Thrust recovery** — after some duration or on hit, restore gravity scale, unfix rotation, resume base angular velocity, and start cooldown
5. **Damage tracking** — `thrust_damage` starts at 1 and increases by 1 each time the sword hits during a thrust
6. **UI** — show THRUST DMG in the weapon_ui

I need to track thrust state with `@thrusting` to know if we're currently mid-thrust, and `@thrust_damage` to accumulate damage dealt during the current thrust sequence.

When the melee hit handler fires during a thrust, it should deal `thrust_damage` instead of `base_damage`, then increment `thrust_damage` by 1 for the next hit. Normal spin hits always deal `base_damage` (1). I'm clarifying whether each thrust hit increases the damage permanently for future thrusts, or if it resets after the thrust ends.

I think it's the former — each successful thrust hit permanently scales up the damage, so the first thrust does 1 damage, the second does 2, and so on. To detect a hit while thrusting, I'll check the attacker's thrusting state in the weapon hitbox sensor and use the appropriate damage value. For thrust duration, I'm leaning toward a fixed time window like 0.3 seconds, after which the thrust recovers and the ball returns to normal spin attacks.

After the thrust ends, I need to restore gravity, reset the angular velocity back to baseline, and trigger a cooldown. Looking at how the gun handles its firing mechanics, I should mirror that structure — checking readiness conditions, setting up a timer callback, then executing the thrust action with cooldown calculations based on successful hits. Writing the thrust mechanics...

The key insight is that `set_fixed_rotation` locks the angle in place during the thrust so the weapon points at the target while moving, then after the thrust ends I need to unfix rotation and manually set the angular velocity back to resume the spinning behavior. I also need to reset the timing variables that track how long we've been above the base speed.

For the impulse magnitude, I'm thinking about what feels right given the ball's normal speed range of 100-450 — something that accelerates it to around 200-300 should feel snappy and decisive. I don't need to overthink the exact number since it can be tuned later. The sword's raycast for alignment would work similarly to the gun's, casting forward from the sword tip to detect valid targets.

Since the sword is melee, the detection range should be shorter than the gun's 500 units — maybe 100-150 units based on how far the ball would travel during the thrust animation. Looking at how the gun implements its alignment check...

Examining the gun code... Setting up the sword raycast similarly, calculating the tip position from the weapon's visual and hitbox offsets, then extending a ray forward to detect hits on enemy balls within the thrust range, though I'm realizing the raycast queries physics bodies and I need to verify the collision tags are set up correctly. is the raycast might also hit the wall. Looking at the API: `raycast(x1, y1, x2, y2, tags)` — it filters by tags. So if we use 'ball' tag, it only hits balls.

But wait — the sword ball itself also has a 'ball' tag. Will the raycast hit the owning ball? Looking at the gun code, the gun tip starts outside the ball radius (gun_tip_offset = 21 + 12 = 33, ball radius = 10), so the raycast starts outside the ball. Same for sword — tip_offset would be 34 + 32 = 66, well outside the ball. So the raycast shouldn't hit self. But the `hit.object.team != @team` check also protects against this.

OK, I think I have enough to implement this. Now I'm thinking about the visual feedback during the thrust — I want to add some juice like flashing the weapon white, applying a spring pull effect, maybe a small camera shake. The ball's forward momentum itself provides visual impact too. I need to make sure the weapon hitbox sensor stays active during the thrust so it can deal damage, and I'll check the `attacker.thrusting` flag in the melee hit handler to apply thrust_damage instead of the base damage. I'm also considering what happens if the thrust misses — the ball continues flying in one direction with no gravity, then gravity and rotation restore afterward. For the velocity handling, I think applying a strong impulse in the thrust direction while keeping existing velocity feels more physical than zeroing everything out first.

Actually, that won't work — if the ball's already moving sideways, it'll go diagonal instead of feeling like a deliberate thrust. I should set the velocity directly to a fixed thrust speed in the thrust direction instead.

So I'm adding thrust properties to the ball like readiness state, whether it's currently thrusting, damage scaling, and tunable speed and duration values. Then I need methods to detect sword alignment via raycast and execute the thrust itself.

For the arena updates, I'll check if the attacker is thrusting and use the scaled damage instead of base damage, incrementing it on hit. The weapon UI will display the current thrust damage value.

I'm going to implement this now rather than present snippets first — the user wants to see it working.

Let me verify the angular velocity behavior during thrust: the ball stays at 0 rotation while thrusting, then returns to base afterward. The guardrails track time below base, so a 0.25s thrust would register as 0.25s of time below base, which fits within the expected range. at `below_base_grace_period` (0.25). So the guardrails might kick in immediately and try to restore angular velocity, which is what we want. Actually we're setting it directly to base_angular_velocity so it should be fine.

Wait, but during the thrust, the angular velocity is 0, so `time_below_base` would accumulate. When we unfix and set angular velocity to base, `time_below_base` gets reset next frame because `angular_speed == base_angular_velocity`. So that's fine.

Also during the thrust, should we disable the angular velocity guardrails? Since we're deliberately setting angular velocity to 0, the guardrails might try to restore it. In Box2D, fixed rotation means infinite rotational inertia, but explicitly setting angular velocity should still work, so the guardrails could interfere. The safest approach is to reset both `time_below_base` and `time_above_base` to 0 when thrust starts, which prevents the guardrails from kicking in during the thrust phase.

Actually, the simplest fix is just adding an early return in the angular velocity guardrails if `@thrusting` is true, so we skip the guardrails entirely during thrust.

Now I'm thinking through the cooldown system for the sword thrust. The gun already has a scaling cooldown that starts at 1.2s and reduces down to 0.2s based on hits landed. I could use the same system for the sword since those properties are already defined, though the scaling values might need tuning later. But wait — `@hits_landed` is shared across all hit types, so normal melee hits would also affect the sword thrust cooldown, which might not be the intended behavior.

Anyway, let me start implementing this. I need to add thrust properties to the ball constructor, set up a timer for when the thrust is ready, modify the update logic to handle thrust differently, create the alignment and thrust methods, update the arena's hit detection to distinguish between thrust and normal hits, and add thrust damage to the weapon UI.

Writing the implementation... Still writing the thrust logic...

After the thrust duration ends, I need to restore the player's normal physics state—re-enabling rotation and gravity, then deciding on the spin direction. I'm wondering whether to preserve the original rotation direction or randomize it, since that affects how the character recovers from the thrust.

Preserving the direction feels more natural. I can capture the angular velocity's sign right when the thrust starts, then reapply that same direction when the thrust ends. This way the character continues spinning the way it was before, maintaining momentum and feel.

Now I'm looking at the arena hit detection logic to see how it's currently structured. I'm refactoring the damage calculation to check if the attacker is thrusting, using thrust damage when applicable and base damage otherwise, then applying weapon-specific scaling where daggers increase angular velocity and swords boost thrust damage on hit. The weapon UI also needs updating to display thrust damage information for swords.

Now I need to add a guard to skip the angular velocity tracking during thrust attacks, wrapping the existing speed comparison logic with a condition that only runs when not thrusting. I'm realizing the timing might actually work out fine — the thrust duration and grace period are both 0.25 seconds, so the guardrails would barely start engaging right at the end, and we're overriding the angular velocity anyway. But to be safe, I should just add a guard to skip the guardrails during thrust. Now let me think through the sword mechanics. The user seems ready to move forward with implementation based on their "Let's try it" response, so I'll skip the code review step and just build it out. I need to be careful with YueScript syntax and follow the existing patterns in the codebase. Let me map out the changes I need to make.

Now I'm reviewing the exact code sections I need to modify to ensure my edits are precise.

Let me implement all the changes. I need to read the specific sections I'll be editing to make precise changes.

Let me plan all edits:

1. **Sword config block** — add thrust properties
2. **After gun timer setup** — add sword timer setup
3. **Angular velocity guardrails** — guard with `not @thrusting`
4. **New methods** — `sword_is_aligned` and `sword_thrust` near the gun methods
5. **Arena weapon_hitbox/ball handler** — change damage and add sword scaling
6. **Weapon UI** — update sword section

Let me make the edits now. I already have the file read, so I know the exact strings.

The user wants the thrust cooldown to be a fixed 1.2s, not scaling with hits_landed. Got it. Let me implement everything now.

Let me make all the edits:

1. **Sword config block** — add thrust properties
2. **After gun timer setup** — add sword timer setup
3. **Angular velocity guardrails** — guard with `not @thrusting`
4. **New methods** — `sword_is_aligned` and `sword_thrust` near the gun methods
5. **Arena weapon_hitbox/ball handler** — change damage and add sword scaling
6. **Weapon UI** — update sword section

Let me start implementing.

1060→    @\tag 'ball'
  1061→    @image = @team == 'player' and an.images.cowboy or an.images.no_mouth
  1062→    @radius = 10
  1063→    @scale = 2*@radius/@image.width
  1064→    @scale = 1.125*@scale if @team == 'player' -- cowboy is visually larger
  1065→
  1066→    -- Weapon setup based on weapon_type
  1067→    if @weapon_type == 'gun'
  1068→      @weapon_class = 'ranged'
  1069→      @weapon_image = an.images.gun
  1070→      @weapon_visual_offset = 21
  1071→      @weapon_perpendicular_offset = 2
  1072→      @weapon_hitbox_offset = 21
  1073→      @weapon_hitbox_length = 20
  1074→      @weapon_hitbox_width = 12
  1075→      @weapon_scale = 18/512 -- gun.png is 512x512
  1076→      @weapon_scale_y = -18/512 -- y flipped
  1077→      @weapon_rotation_offset = math.pi -- gun points left, rotate to point outward
  1078→      @base_angular_velocity = 1.5*math.pi
  1079→      @max_angular_velocity = 3*math.pi
  1080→      @weapon_weight = 1.0
  1081→      @hit_stop_multiplier = 1.0
  1082→      @hit_particle_multiplier = 1.0
  1083→      @camera_shake_multiplier = 1.0
  1084→    elseif @weapon_type == 'sword'
  1085→      @weapon_class = 'melee'
  1086→      @weapon_image = an.images.sword
  1087→      @weapon_visual_offset = 34
  1088→      @weapon_perpendicular_offset = 0
  1089→      @weapon_hitbox_offset = 38
... [90 more lines]

1179→    @burstfire_chance_increase_per_hit = 0.01  -- 1% per hit
  1180→    @base_burstfire_delay = 0.4
  1181→    @minimum_burstfire_delay = 0.05
  1182→    @burstfire_delay_reduction_per_hit = (0.4 - 0.05) / 50  -- reaches 0.05s in 50 hits
  1183→    @base_angular_velocity_increase_per_hit = 0.2*math.pi  -- dagger scaling
  1184→
  1185→    -- HP UI (heart + number display at top of screen)
  1186→    @\add hp_ui @team, @hp, @max_hp
  1187→
  1188→    -- Weapon UI (emoji, weapon icon, and stat board)
  1189→    @\add weapon_ui @team, @weapon_type
  1190→
  1191→    -- Ball starts with no gravity until game starts
  1192→    @\add timer!
  1193→    @collider\set_gravity_scale 0
  1194→
  1195→    -- Gun auto-firing: when aligned and ready, fire
  1196→    if @weapon_type == 'gun'
  1197→      @gun_ready = true
  1198→      @timer\when (-> @gun_ready and @\gun_is_aligned!), 'gun_fire', (-> @\gun_fire!)
  1199→
  1200→  update: (dt) =>
  1201→    -- When paused, use dt = 0 so physics logic doesn't run
  1202→    dt = 0 if @parent.paused
  1203→
  1204→    -- Read angle from physics
  1205→    @angle = @collider\get_angle!
  1206→
  1207→    -- Angular velocity guardrails
  1208→    angular_velocity = @collider\get_angular_velocity!
... [90 more lines]

1380→  -- Gun alignment check: raycast to see if enemy is in line of sight
  1381→  gun_is_aligned: =>
  1382→    gun_tip_offset = @weapon_visual_offset + 12
  1383→    perpendicular = @angle - math.pi/2
  1384→    gun_tip_x = @x + gun_tip_offset*math.cos(@angle) + 8*math.cos(perpendicular)
  1385→    gun_tip_y = @y + gun_tip_offset*math.sin(@angle) + 8*math.sin(perpendicular)
  1386→
  1387→    ray_length = 500
  1388→    ray_end_x = gun_tip_x + ray_length*math.cos(@angle)
  1389→    ray_end_y = gun_tip_y + ray_length*math.sin(@angle)
  1390→
  1391→    -- debug_draw\line gun_tip_x, gun_tip_y, ray_end_x, ray_end_y, 2, red!
  1392→
  1393→    hit = an\raycast gun_tip_x, gun_tip_y, ray_end_x, ray_end_y, 'ball'
  1394→    hit and hit.object.team != @team
  1395→
  1396→  -- Fire a single shot with all effects at current position
  1397→  fire_single_shot: =>
  1398→    -- Sound
  1399→    an\sound_play "gun_fire_#{an.random\int(1, 3)}", 0.63, an.random\float(0.95, 1.05)
  1400→
  1401→    gun_tip_offset = @weapon_visual_offset + 12
  1402→    perpendicular = @angle - math.pi/2
  1403→
  1404→    -- Spawn boom particle
  1405→    boom_offset = an.random\float(0.9, 1.1)*gun_tip_offset
  1406→    boom_x = @x + boom_offset*math.cos(@angle) + 10*math.cos(perpendicular)
  1407→    boom_y = @y + boom_offset*math.sin(@angle) + 10*math.sin(perpendicular)
  1408→    @parent.effects\add boom_particle boom_x, boom_y
  1409→
... [70 more lines]

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user doesn't want to proceed with this tool use. The tool use was rejected (eg. if it was a file edit, the new_string was NOT written to the file). STOP what you are doing and wait for the user to tell you how to proceed.

1454→
  1455→  -- Sword alignment check: raycast from sword tip to detect enemy
  1456→  sword_is_aligned: =>
  1457→    tip_offset = @weapon_visual_offset + @weapon_hitbox_length/2
  1458→    tip_x = @x + tip_offset*math.cos(@angle)
  1459→    tip_y = @y + tip_offset*math.sin(@angle)
  1460→
  1461→    ray_length = 120
  1462→    ray_end_x = tip_x + ray_length*math.cos(@angle)
  1463→    ray_end_y = tip_y + ray_length*math.sin(@angle)
  1464→
  1465→    -- debug_draw\line tip_x, tip_y, ray_end_x, ray_end_y, 2, red!
  1466→
  1467→    hit = an\raycast tip_x, tip_y, ray_end_x, ray_end_y, 'ball'
  1468→    hit and hit.object.team != @team
  1469→
  1470→  -- Sword thrust: stop rotating, lunge toward enemy
  1471→  sword_thrust: =>
  1472→    @thrust_ready = false
  1473→    @thrusting = true
  1474→    @pre_thrust_angular_sign = math.sign(@collider\get_angular_velocity!)
  1475→
  1476→    -- Stop rotation and gravity
  1477→    @collider\set_fixed_rotation true
  1478→    @collider\set_gravity_scale 0
  1479→
  1480→    -- Set velocity toward thrust direction
  1481→    @collider\set_velocity @thrust_speed*math.cos(@angle), @thrust_speed*math.sin(@angle)
  1482→
  1483→    -- Visual feedback

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1470→
  1471→  -- Sword thrust: stop rotating, lunge toward enemy
  1472→  sword_thrust: =>
  1473→    @thrust_ready = false
  1474→    @thrusting = true
  1475→    @pre_thrust_angular_sign = math.sign(@collider\get_angular_velocity!)
  1476→
  1477→    -- Stop rotation and gravity
  1478→    @collider\set_fixed_rotation true
  1479→    @collider\set_gravity_scale 0
  1480→
  1481→    -- Set velocity toward thrust direction
  1482→    @collider\set_velocity @thrust_speed*math.cos(@angle), @thrust_speed*math.sin(@angle)
  1483→
  1484→    -- Visual feedback
  1485→    @\flash_weapon!
  1486→    @spring\pull 'weapon', 0.5, 3, 0.7
  1487→
  1488→    -- End thrust after duration
  1489→    @timer\after @thrust_duration, 'thrust_end', ->
  1490→      @thrusting = false
  1491→      @collider\set_fixed_rotation false
  1492→      @collider\set_gravity_scale 1
  1493→      @collider\set_angular_velocity @pre_thrust_angular_sign*@base_angular_velocity
  1494→      @time_above_base = 0
  1495→      @time_below_base = 0
  1496→      @timer\after @thrust_cooldown, 'thrust_cooldown', -> @thrust_ready = true
  1497→
  1498→  flash_ball: (duration=0.15) =>
  1499→    @ball_flashing = true

1135:    @collider\set_density 0, @weapon_shape

1140:    @collider\set_density 0, @weapon_sensor

2246:    @collider\set_density 0.4

2251:    @collider\set_density 0, @ball_sensor

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

675:    for event in *an\collision_begin_events 'ball', 'wall'

676-      ball_object = event.a

677-      vx, vy = ball_object.collider\get_velocity!

678-      if an.random\bool(@wall_boost_chance) and @wall_energy_boost > 1

679-        ball_object.collider\set_velocity vx*@wall_energy_boost, vy*@wall_energy_boost

680-

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user is right — let me check. The ball collider is created with:
```
@\add collider 'ball', 'dynamic', 'circle', @radius
```

And there's no explicit `set_density` call on the main ball shape. The default density in Box2D is typically 1.0, but let me check what the framework defaults to. Actually, looking at the collider creation, the default density might be different in this engine.

Wait, let me look at the framework API docs or the engine code to see what the default density is. But actually the user is telling me it's 0. Let me check the framework code.

Actually, the user would know best — they wrote the engine. If they say normal density is 0, I should trust that. 

I'm second-guessing myself on the physics here — a dynamic body with zero density would have zero mass, which doesn't align with how Box2D typically works. But the user knows their engine better than I do, so I should just apply the fix they're suggesting and set the density back to 0 after the thrust is applied.

<tool_use_error>Found 2 matches of the string to replace, but replace_all is false. To replace all occurrences, set replace_all to true. To replace only one occurrence, please provide more context to uniquely identify the instance.
String:     @collider\set_density 1</tool_use_error>

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The issue might be that `set_fixed_rotation true` combined with `set_density` is causing Box2D to recalculate the mass/inertia in a way that breaks collision. Or maybe the issue is that setting density on the ball shape affects the mass computation.

Actually, wait — when you call `set_density`, does it update the mass data? In Box2D, you need to call `ResetMassData` after changing density. But that's engine-internal.

Another possibility: the ball is moving too fast (thrust_speed = 300) and tunneling through the wall. The ball isn't set as a `bullet` (continuous collision detection). Let me check...
 
Looking at the ball constructor, I'm seeing it configures the collider with restitution, friction, and damping settings, but there's no bullet mode enabled. The projectile has continuous collision detection but the ball doesn't, so at speed 300 it could definitely tunnel through walls in a single frame. Though the max_ball_speed is 448 and balls normally don't tunnel at those speeds...

Actually, I'm wondering if the issue is with how density changes work. When I call `set_density` without specifying a shape, it probably only affects the main shape, not the weapon shapes that have density 0. But changing the main shape's density from 0 to 1 might cause Box2D to recalculate the ball's mass in a way that makes it heavier and harder to stop, potentially causing tunneling or unexpected physics behavior.

Let me try a simpler approach instead — skip the density change altogether and rely on the thrust speed of 300 to keep the ball moving fast enough. If the enemy knocks it off course, that might not actually be a problem. Or better yet, I could enable bullet mode during thrust to ensure continuous collision detection prevents tunneling, then remove the density change entirely.

1470→
  1471→    -- debug_draw\line tip_x, tip_y, ray_end_x, ray_end_y, 2, red!
  1472→
  1473→    hit = an\raycast tip_x, tip_y, ray_end_x, ray_end_y, 'ball'
  1474→    hit and hit.object.team != @team
  1475→
  1476→  -- Sword thrust: stop rotating, lunge toward enemy
  1477→  sword_thrust: =>
  1478→    @thrust_ready = false
  1479→    @thrusting = true
  1480→    @pre_thrust_angular_sign = math.sign(@collider\get_angular_velocity!)
  1481→
  1482→    -- Stop rotation and gravity, become very heavy
  1483→    @collider\set_fixed_rotation true
  1484→    @collider\set_gravity_scale 0
  1485→    @collider\set_density 1
  1486→
  1487→    -- Set velocity toward thrust direction
  1488→    @collider\set_velocity @thrust_speed*math.cos(@angle), @thrust_speed*math.sin(@angle)
  1489→
  1490→    -- Visual feedback
  1491→    @\flash_weapon!
  1492→    @spring\pull 'weapon', 0.5, 3, 0.7
  1493→
  1494→    -- End thrust after duration
  1495→    @timer\after @thrust_duration, 'thrust_end', -> @\thrust_end!
  1496→
  1497→  -- End thrust: restore normal state
  1498→  thrust_end: =>
  1499→    return unless @thrusting
... [5 more lines]

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1482→    -- Stop rotation and gravity, enable CCD to prevent tunneling
  1483→    @collider\set_fixed_rotation true
  1484→    @collider\set_gravity_scale 0
  1485→    @collider\set_bullet true
  1486→
  1487→    -- Set velocity toward thrust direction
  1488→    @collider\set_velocity @thrust_speed*math.cos(@angle), @thrust_speed*math.sin(@angle)
  1489→
  1490→    -- Visual feedback
  1491→    @\flash_weapon!
  1492→    @spring\pull 'weapon', 0.5, 3, 0.7
  1493→
  1494→    -- End thrust after duration
  1495→    @timer\after @thrust_duration, 'thrust_end', -> @\thrust_end!
  1496→
  1497→  -- End thrust: restore normal state
  1498→  thrust_end: =>
  1499→    return unless @thrusting
  1500→    @thrusting = false
  1501→    @timer\cancel 'thrust_end'
  1502→    @collider\set_fixed_rotation false
  1503→    @collider\set_gravity_scale 1
  1504→    @collider\set_bullet false
  1505→    @collider\set_angular_velocity @pre_thrust_angular_sign*@base_angular_velocity
  1506→    @time_above_base = 0

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Web search results for query: "Box2D 3.1 set density dynamic body mass update 2025"

Links: [{"title":"Box2D: Simulation","url":"https://box2d.org/documentation/md_simulation.html"},{"title":"Box2D: Body","url":"https://box2d.org/documentation/group__body.html"},{"title":"Box2D: box2d::Body Class Reference","url":"http://louis-langholtz.github.io/Box2D/API/classbox2d_1_1_body.html"},{"title":"Box2D 3.1 :: Box2D","url":"https://box2d.org/posts/2025/04/box2d-3.1/"},{"title":"Box2D: Dynamics Module","url":"https://box2d.org/doc_version_2_4/md__e_1_2github_2box2d__24_2docs_2dynamics.html"},{"title":"Default density should be non-zero · Issue #520 · erincatto/box2d","url":"https://github.com/erincatto/Box2D/issues/520"},{"title":"Box2D: Shape","url":"https://box2d.org/documentation/group__shape.html"},{"title":"Changing center of mass of a body, new Inertia, Parallel Axis Theorem · Issue #521 · erincatto/box2d","url":"https://github.com/erincatto/Box2D/issues/521"},{"title":"Box2D: b2Body Class Reference","url":"https://box2d.org/doc_version_2_4/classb2_body.html"},{"title":"Dynamics Module (core) - @box2d","url":"https://lusito.github.io/box2d.ts/core/dynamics.html"}]

Here's what I found regarding **Box2D 3.1**, setting density, and dynamic body mass updates:

---

## Box2D 3.1 Release

Box2D 3.1 added experimental character mover support, using a geometric solver. It should be useful for games that want greater control than what you get with a dynamic or kinematic body. The sensor system was rebuilt — the new sensor system still uses shapes on bodies, but it doesn't consider the body type or the body sleeping status, allowing sensors on static bodies to detect shapes on other kinematic or static bodies. The new sensor system now runs at the end of the update, so overlap events are not delayed.

---

## Setting Density and Mass Updates (Box2D v3 / Current API)

### How density works on shapes:
You can set the mass density of a shape, usually in kg/m². This will **optionally** update the mass properties on the parent body.

You may defer the body mass update, which can improve performance if several shapes on a body are destroyed at once.

### Dynamic body mass properties:
Shapes have collision geometry and density. Normally, bodies acquire their mass properties from the shapes. However, you can override the mass properties after a body is constructed.

A dynamic body is fully simulated and moves according to forces and torques. A dynamic body can collide with all body types. A dynamic body always has finite, non-zero mass.

### Changing body type and mass:
You can change the body type, but this is an expensive operation. This automatically updates the mass properties regardless of the automatic mass setting.

### Manually updating mass data:
... [16 more lines]

The key insight from the docs is that in Box2D 3.x, when you change density, you may need to explicitly update the mass. But more importantly, the issue might be that when you set density to 1 on a shape that was density 0, the mass calculation changes in a way the engine doesn't expect.

Let me look at how the engine wraps `set_density` — maybe there's an `updateMass` flag or something.

Actually, the real issue might be simpler. The ball's default density is 0. When I set it to 1, the mass changes. But in Box2D 3.x, a dynamic body with density 0 still has mass — Box2D ensures "finite, non-zero mass" for dynamic bodies. So changing from 0 to 1 might cause the mass to recalculate in a way that changes the body's behavior.


The user's description of the ball losing gravity and passing through walls suggests the body might be turning into a sensor or static body somehow. Though gravity in Box2D is applied as acceleration, so mass shouldn't affect it directly — the acceleration should be the same regardless. But I'm wondering if there's something about how the engine applies gravity that I'm missing, or if changing the density is triggering some other state change I haven't considered yet.

Actually, rereading the issue more carefully, the combination of no gravity and passing through walls really points to the body type changing or the body being disabled entirely. Rather than fiddling with density, I should try a simpler approach: override the velocity each frame while thrusting to maintain the thrust direction, keeping density at its normal value. This way the ball becomes unstoppable through constant velocity updates rather than mass manipulation, and I avoid whatever side effects the density change is causing.

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1308:    -- Low floor detection: if vertical velocity stays low while near the floor, give it a hop

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1476→
  1477→    hit = an\raycast tip_x, tip_y, ray_end_x, ray_end_y, 'ball'
  1478→    hit and hit.object.team != @team
  1479→
  1480→  -- Sword thrust: stop rotating, lunge toward enemy
  1481→  sword_thrust: =>
  1482→    @thrust_ready = false
  1483→    @thrusting = true
  1484→    @pre_thrust_angular_sign = math.sign(@collider\get_angular_velocity!)
  1485→
  1486→    -- Stop rotation and gravity, CCD to not tunnel walls
  1487→    @collider\set_fixed_rotation true
  1488→    @collider\set_gravity_scale 0
  1489→    @collider\set_bullet true
  1490→    @thrust_angle = @angle  -- lock thrust direction
  1491→
  1492→    -- Set velocity toward thrust direction
  1493→    @collider\set_velocity @thrust_speed*math.cos(@angle), @thrust_speed*math.sin(@angle)
  1494→
  1495→    -- Visual feedback
  1496→    @\flash_weapon!
  1497→    @spring\pull 'weapon', 0.5, 3, 0.7
  1498→
  1499→    -- End thrust after duration
  1500→    @timer\after @thrust_duration, 'thrust_end', -> @\thrust_end!

664:      @\hit_stop 0.1 * math.max(ball_a.hit_stop_multiplier, ball_b.hit_stop_multiplier)

824:      @\hit_stop 0.15*attacker.hit_stop_multiplier

863:  get_hit_stop_probability: =>

871:    probability = @\get_hit_stop_probability!

882:  hit_stop: (duration=0.1) =>

883:    probability = @\get_hit_stop_probability!

885:      an\hit_stop duration

1089:      @hit_stop_multiplier = 1.0

1106:      @hit_stop_multiplier = 1.4 -- longer hit stops

1127:      @hit_stop_multiplier = 1.0

882→  hit_stop: (duration=0.1) =>
   883→    probability = @\get_hit_stop_probability!
   884→    if an.random\bool 100*probability
   885→      an\hit_stop duration
   886→    @time_since_last_hit = 0
   887→

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The issue is that `an\hit_stop` freezes the game for 0.15s, but the timer that triggers the lunge is also subject to the hit stop (since hit stop pauses physics/timers). So the 0.15s timer doesn't start counting until after the hit stop ends, adding an extra delay.

I need to understand how `an\hit_stop` works in this engine. It probably pauses dt to 0 for the duration. The timer uses dt, so the 0.15s timer would effectively wait 0.15s of real time AFTER the hit stop ends.

I should use a shorter timer, or better yet, use a different approach. 

The simplest solution is to set the timer to a very small value like 0.01 so it triggers immediately on the first frame after hit stop ends, rather than waiting the full 0.15s while frozen. aner approach. The timer API uses the game's dt, which freezes to 0 during hit stop, so any delay value would only start counting after hit stop ends — meaning I could just set a tiny delay like 0.01 and it'd trigger right when hit stop finishes. Let me just swap 0.15 for something minimal.

<tool_use_error>File has been modified since read, either by the user or by a linter. Read it again before attempting to write it.</tool_use_error>

1493→    -- After hit stop, begin the actual lunge
  1494→    @timer\after 0.3, 'thrust_start', ->
  1495→      @thrusting = true
  1496→      @collider\set_gravity_scale 0
  1497→      @collider\set_bullet true

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1493→    -- After hit stop, begin the actual lunge
  1494→    @timer\after 0.01, 'thrust_start', ->
  1495→      @thrusting = true
  1496→      @collider\set_gravity_scale 0
  1497→      @collider\set_bullet true
  1498→
  1499→      -- Set velocity toward thrust direction
  1500→      @collider\set_velocity @thrust_speed*math.cos(@thrust_angle), @thrust_speed*math.sin(@thrust_angle)
  1501→
  1502→      -- Visual feedback
  1503→      @\flash_weapon!
  1504→      @spring\pull 'weapon', 0.5, 3, 0.7
  1505→
  1506→      -- End thrust after duration
  1507→      @timer\after @thrust_duration, 'thrust_end', -> @\thrust_end!
  1508→
  1509→  -- End thrust: restore normal state
  1510→  thrust_end: =>
  1511→    return unless @thrusting
  1512→    @thrusting = false

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1502:      @collider\set_bullet true

1503-

1504-      -- Visual feedback

1505-      @\flash_weapon!

--
2273:    @collider\set_bullet true  -- continuous collision detection

2274-

2275-    -- Sensor shape for ball detection (passes through balls)

2276-    @ball_sensor = @collider\add_box 'projectile_sensor', @w, @h, {sensor: true}

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1325→        -- Squash horizontally, stretch vertically (opposite of floor hit)
  1326→        @spring\pull 'squash_y', 0.5, 3, 0.5
  1327→        @spring\pull 'squash_x', -0.25, 3, 0.5
  1328→        -- Spawn dash particle at ball's bottom, direction opposite to velocity
  1329→        particle_angle = math.remap(vx, -100, 100, math.pi/4, 3*math.pi/4) + an.random\float(-math.pi/8, math.pi/8)
  1330→        @parent.effects\add dash_particle @x, @y + @radius, {direction: particle_angle}
  1331→    else
  1332→      @low_vy_time = 0
  1333→
  1334→    -- Draw ball with world-aligned squash
  1335→    squash_x = @spring.squash_x.x
  1336→    squash_y = @spring.squash_y.x
  1337→    hit_scale = @spring.hit.x
  1338→    game\push @x, @y, 0, squash_x, squash_y           -- world-aligned squash (no rotation)
  1339→    game\push 0, 0, @angle, @scale*hit_scale, @scale*hit_scale  -- rotation + base scale
  1340→    game\image @image, 0, 0, nil, @ball_flashing and white!
  1341→    game\pop!
  1342→    game\pop!
  1343→
  1344→    -- Draw weapon at offset, rotated with ball (recoil_offset pulls gun toward ball)

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1352→      game\pop!
  1353→    else
  1354→      game\push @x, @y, 0, squash_x, squash_y           -- world-aligned squash (no rotation)
  1355→      game\push 0, 0, @angle, @scale*hit_scale, @scale*hit_scale  -- rotation + base scale
  1356→      game\image @image, 0, 0, nil, @ball_flashing and white!
  1357→      game\pop!
  1358→      game\pop!
  1359→
  1360→    -- Draw weapon at offset, rotated with ball (recoil_offset pulls gun toward ball)
  1361→    actual_offset = @weapon_visual_offset - @weapon_recoil_offset
  1362→    perpendicular_angle = @angle - math.pi/2
  1363→    weapon_x = @x + actual_offset*math.cos(@angle) + @weapon_perpendicular_offset*math.cos(perpendicular_angle)
  1364→    weapon_y = @y + actual_offset*math.sin(@angle) + @weapon_perpendicular_offset*math.sin(perpendicular_angle)
  1365→    weapon_spring = @spring.weapon.x
  1366→    weapons\push weapon_x, weapon_y, @angle + @weapon_rotation_offset + @weapon_recoil, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring
  1367→    weapons\image @weapon_image, 0, 0, nil, @weapon_flashing and white!
  1368→    weapons\pop!
  1369→
  1370→    -- Debug draw weapon hitbox
  1371→    hitbox_x = @x + @weapon_hitbox_offset*math.cos(@angle)
  1372→    hitbox_y = @y + @weapon_hitbox_offset*math.sin(@angle)
  1373→    debug_draw\push hitbox_x, hitbox_y, @angle
  1374→    -- debug_draw\rectangle -@weapon_hitbox_length/2, -@weapon_hitbox_width/2, @weapon_hitbox_length, @weapon_hitbox_width, red!
  1375→    debug_draw\pop!
  1376→

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1→global *
     2→
     3→require('anchor')
     4→  width: 480
     5→  height: 270
     6→  scale: 3
     7→
     8→-- Game dimensions
     9→gw, gh = an.width, an.height
    10→
    11→-- Twitter emoji color palette
    12→white = color 255, 255, 255
    13→black = color 0, 0, 0
    14→gray = color 128, 128, 128
    15→bg_color = color 48, 49, 50
    16→fg = color 231, 232, 233
    17→fg_dark = color 201, 202, 203
    18→yellow = color 253, 205, 86
    19→star_yellow = color 255, 172, 51
    20→orange = color 244, 146, 0
    21→blue = color 83, 175, 239
    22→green = color 122, 179, 87
    23→red = color 223, 37, 64
    24→purple = color 172, 144, 216
    25→brown = color 195, 105, 77
    26→wall_color = fg\clone!\mix yellow, 0.1
    27→
    28→-- Sky colors (subtle blue gradient)
    29→sky_top = color 135, 206, 235     -- light sky blue
    30→sky_bottom = color 231, 232, 233  -- same as fg (off-white)
... [20 more lines]

I need to find the ball draw section where `@thrusting` is checked, and the weapon draw section. Let me search for the relevant code.

1309:    if @thrusting

1338:    if @thrusting

1366:    if @thrusting

1300→      -- Convert to angle and magnitude
  1301→      force_angle = math.atan(vertical, horizontal)
  1302→      force_magnitude = speed/3
  1303→      flame\apply_wind force_angle, force_magnitude
  1304→
  1305→      -- Base height scales with angular velocity (logistic curve)
  1306→      flame.velocity_height_scale = 1.6/(1 + math.exp(-(speed - 1.73)))
  1307→
  1308→    -- During thrust, override velocity each frame (starts at current speed, accelerates)
  1309→    if @thrusting
  1310→      @thrust_progress = math.min(1, @thrust_progress + dt/@thrust_duration)
  1311→      speed = math.lerp(math.quad_out(@thrust_progress), @thrust_start_speed, @thrust_end_speed)
  1312→      @collider\set_velocity speed*math.cos(@thrust_angle), speed*math.sin(@thrust_angle)
  1313→
  1314→    -- Low floor detection: if vertical velocity stays low while near the floor, give it a hop
  1315→    vx, vy = @collider\get_velocity!
  1316→    near_floor = @y + @radius > @parent.y + @parent.h - 20
  1317→    if near_floor
  1318→      @low_vy_time += dt
  1319→      if @low_vy_time > @low_vy_threshold and math.abs(vy) < 15
  1320→        @low_vy_time = 0
  1321→        @low_vy_threshold = an.random\float 0.5, 1.5
  1322→        @collider\apply_impulse math.sign(vx)*an.random\float(0, 6), -24
  1323→        -- Sound
  1324→        an\sound_play 'hop', 0.5, an.random\float(0.95, 1.05)
  1325→        -- Squash horizontally, stretch vertically (opposite of floor hit)
  1326→        @spring\pull 'squash_y', 0.5, 3, 0.5
  1327→        @spring\pull 'squash_x', -0.25, 3, 0.5
  1328→        -- Spawn dash particle at ball's bottom, direction opposite to velocity
  1329→        particle_angle = math.remap(vx, -100, 100, math.pi/4, 3*math.pi/4) + an.random\float(-math.pi/8, math.pi/8)
... [60 more lines]

I need to hoist `squash_t`, `speed`, `speed_factor`, `stretch_amount`, `squeeze_amount` out of the ball draw `if @thrusting` block (lines 1338-1352) so they're accessible in the weapon draw `if @thrusting` block (lines 1366-1373).

The simplest approach: compute these values before the ball draw section, and use them in both blocks. I'll put them right before line 1338 (the ball draw `if @thrusting`), as new variables that live in the outer scope.

Actually, looking more carefully, these variables need to be in scope for both blocks. 

I'll compute the thrust squash variables between lines 1337 and 1338, guarded by `if @thrusting`, so they're available to both the ball draw and weapon draw blocks that follow.

But I'm realizing the scoping issue—in YueScript, variables assigned inside an `if` block stay local to that block. I need to declare them in the outer scope first, then assign their computed values inside the conditional, so both draw blocks can access them.

Computing thrust squash variables...

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1334→    -- Draw ball
  1335→    squash_x = @spring.squash_x.x
  1336→    squash_y = @spring.squash_y.x
  1337→    hit_scale = @spring.hit.x
  1338→
  1339→    -- Thrust squash values (used by both ball and weapon draw)
  1340→    squash_t, stretch_amount, squeeze_amount = 0, 0, 0
  1341→    if @thrusting
  1342→      squash_t = math.sin(@thrust_progress*math.pi)
  1343→      thrust_speed = math.lerp(math.quad_out(@thrust_progress), @thrust_start_speed, @thrust_end_speed)
  1344→      speed_factor = math.clamp(math.remap(thrust_speed, 400, 600, 0, 1), 0, 1)
  1345→      stretch_amount = math.lerp(speed_factor, 0.6, 0.8)
  1346→      squeeze_amount = math.lerp(speed_factor, 0.3, 0.4)
  1347→
  1348→    if @thrusting
  1349→      thrust_stretch = 1 + stretch_amount*squash_t
  1350→      thrust_squeeze = 1 - squeeze_amount*squash_t
  1351→      game\push @x, @y, @thrust_angle, squash_x*thrust_stretch, squash_y*thrust_squeeze
  1352→      game\push 0, 0, @angle - @thrust_angle, @scale*hit_scale, @scale*hit_scale
  1353→      game\image @image, 0, 0, nil, @ball_flashing and white!
  1354→      game\pop!
  1355→      game\pop!
  1356→    else
  1357→      game\push @x, @y, 0, squash_x, squash_y           -- world-aligned squash (no rotation)
  1358→      game\push 0, 0, @angle, @scale*hit_scale, @scale*hit_scale  -- rotation + base scale
  1359→      game\image @image, 0, 0, nil, @ball_flashing and white!
  1360→      game\pop!
  1361→      game\pop!
  1362→
  1363→    -- Draw weapon at offset, rotated with ball (recoil_offset pulls gun toward ball)
... [25 more lines]

646-

647-      -- Flash both weapons

648:      ball_a\flash_weapon!

649:      ball_b\flash_weapon!

650-

651-      -- Spring pull on weapons

652:      ball_a.spring\pull 'weapon', 0.35, 3, 0.5

653:      ball_b.spring\pull 'weapon', 0.35, 3, 0.5

654-

655-      -- Reset swing sound timer for melee weapons

--
744-

745-      -- Flash and spring pull on weapon (same as weapon-weapon)

746:      ball_object\flash_weapon!

747:      ball_object.spring\pull 'weapon', 0.35, 3, 0.5

748-

749-      -- Apply weapon weight to angular velocity: heavier weapons resist rotation changes (quadratic)

--
802-      -- Apply damage (thrust hits use thrust_damage)

803-      damage = if attacker.thrusting then attacker.thrust_damage else attacker.base_damage

804:      attacker\flash_weapon!

805-      defender\take_damage damage, attacker

806-      attacker.hits_landed += 1

--
1421-      @\kill!

1422-

1423:  flash_weapon: (duration=0.15) =>

1424-    @weapon_flashing = true

1425-    @timer\after duration, 'weapon_flash', -> @weapon_flashing = false

--
... [12 more lines]

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user wants the sword's visual position to account for the ball's squash/squeeze during thrust. When the ball is stretched along the thrust direction, its radius effectively increases in that direction, so the sword should be offset further out.

Let me look at how the weapon position is calculated and how the squash affects the ball's effective radius.

Currently the weapon position is:
```
actual_offset = @weapon_visual_offset - @weapon_recoil_offset
weapon_x = @x + actual_offset*math.cos(@angle) + @weapon_perpendicular_offset*math.cos(perpendicular_angle)
weapon_y = @y + actual_offset*math.sin(@angle) + @weapon_perpendicular_offset*math.sin(perpendicular_angle)


```

During a thrust, the ball stretches along the thrust angle by `thrust_stretch`, which means the effective radius in that direction becomes `@radius * thrust_stretch`. I need to add an extra offset of `@radius * (thrust_stretch - 1)` along the thrust angle to account for this expansion. Since `thrust_stretch = 1 + stretch_amount*squash_t` and both `stretch_amount` and `squash_t` are now accessible in the outer scope, I can calculate this adjustment.

The weapon position is set up after these squash values are computed, so I have access to them there. But here's the issue: the weapon offset uses `@angle` for direction, while the ball stretches along `@thrust_angle`. During thrust, `@angle` stays frozen at whatever rotation the ball had, which might not match the thrust direction—these could be pointing in different ways.

```
Actually, I think the weapon is drawn at the ball's rotation angle regardless, so the offset should scale based on how much the ball stretches in that specific direction. Since the ball stretches along `@thrust_angle` but the weapon sits at `@angle`, the actual extension toward the weapon depends on the angle difference between them.

Let me step back—the user wants the sword's visual position offset by however much the ball's radius increases when squeezed. The weapon visual offset is `@weapon_visual_offset`, and during thrust the ball's radius effectively grows by `@radius * stretch_amount * squash_t` along the thrust direction. Since the weapon points along the thrust direction during thrust, the offset should increase by that same amount.
```
weapon_x = @x + actual_offset*math.cos(@angle)...
weapon_y = @y + actual_offset*math.sin(@angle)...
```
The ball stretches along the thrust angle by `thrust_stretch`, so the visual edge extends `@radius * (thrust_stretch - 1)` further in that direction, and I need to add that to the weapon offset calculation.

I'm adjusting the weapon position by adding the stretch amount to `actual_offset` when thrusting, which shifts the weapon outward exactly as much as the ball's edge moves. This is a small, straightforward fix, so I'll just implement it directly.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

Let me recall the pending tasks from the summary:

- #6 2-3 dash particles spawn behind ball as thrust starts
- #7 Ball flashes white during thrust
- #8 Weapon spring makes it thinner but never longer
- Remove debug `print` statement from sword_thrust

Let me list these out.

1534:      print "thrust_start_speed: #{@thrust_start_speed}, thrust_speed: #{@thrust_speed}"

1532→      @collider\set_gravity_scale 0
  1533→      @collider\set_bullet true
  1534→      print "thrust_start_speed: #{@thrust_start_speed}, thrust_speed: #{@thrust_speed}"
  1535→
  1536→      -- End thrust after duration

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user is asking about my intuition on the trail effect specifically. Let me think about this carefully.

A trail effect for a sword thrust... this would be a continuous streak behind the ball as it thrusts. 

Thinking about it practically:
- The thrust is only 0.5s long, so there's limited time for any effect to be visible
- A trail would need to fade out, probably rendered as a series of connected quads or a line that thins out behind the ball
- It could look like a speed line / motion blur streak

Compared to afterimages:
- Afterimages show the ball's emoji/shape fading, which is more visually rich but also more complex
- A trail is more abstract — just a colored streak


- For a 0.5s linear thrust, the brevity works against a simple trail—it might feel too subtle or wimpy if it fades quickly, but look messy if it lingers

Afterimages would probably hit harder here because each one reads as a distinct copy of the ball, making the motion feel more impactful despite the short duration.

Though a comet tail could look clean if executed well, I think afterimages of the emoji itself fading out would feel more fitting for this game's aesthetic.

The user is asking about a clever approach to afterimages. Instead of manually recreating the draw commands for each afterimage, they want to leverage the layer system's command queue — essentially capturing the draw commands from the current frame and replaying them later with fading opacity.

Let me think about this. The layer system in Anchor queues draw commands (push, pop, image, etc.). If we could snapshot the commands that a ball drew on a particular frame, and then replay those commands in subsequent frames with decreasing opacity, that would be a very elegant afterimage system.

Let me check what the framework API says about the layer system to understand if this is feasible.

Actually, let me think about what the engine/framework provides. 

The core idea is to capture the draw commands the ball issues to the game layer each frame, store those command lists, and then replay them on subsequent frames with fading alpha values. This would create a generic afterimage system that works for any drawable object. I need to check whether the layer API exposes the command queue in a way that allows me to snapshot and replay it, or if I should explore an alternative approach.

1→# Framework API
     2→
     3→Complete documentation for YueScript framework classes. For quick reference signatures, see `FRAMEWORK_API_QUICK.md`.
     4→
     5→---
     6→
     7→## Initialization
     8→
     9→The Anchor framework is initialized by requiring it with a configuration table:
    10→
    11→```yuescript
    12→require('anchor')
    13→  width: 640
    14→  height: 360
    15→  title: "My Game"
    16→  scale: 2
    17→  vsync: true
    18→  fullscreen: false
    19→  resizable: true
    20→  filter: "rough"
    21→```
    22→
    23→### Configuration Options
    24→
    25→| Option | Type | Default | Description |
    26→|--------|------|---------|-------------|
    27→| `width` | int | 480 | Game resolution width |
    28→| `height` | int | 270 | Game resolution height |
    29→| `title` | string | "Anchor" | Window title |
    30→| `scale` | int | 3 | Initial window scale multiplier |
... [20 more lines]

99:Layers are FBO-backed render targets. Drawing commands are queued during update and rendered later. Layers are stored in `an.layers.name`.

889:  layer\draw @x, @y

923:## Layer

925:Layers are FBO-backed render targets for queuing and compositing draw calls.

939:#### layer\rectangle(x, y, w, h, color)

947:#### layer\circle(x, y, radius, color)

955:#### layer\rectangle_gradient_h(x, y, w, h, color1, color2)

965:#### layer\rectangle_gradient_v(x, y, w, h, color1, color2)

976:#### layer\image(image, x, y, color?, flash?)

992:#### layer\spritesheet(spritesheet, frame, x, y, color?, flash?)

1010:#### layer\animation(animation, x, y, color?, flash?)

1027:#### layer\text(text, font_name, x, y, color)

1041:layer\image an.images.player, 0, 0    -- draws at pushed transform

923→## Layer
   924→
   925→Layers are FBO-backed render targets for queuing and compositing draw calls.
   926→
   927→### Creating Layers
   928→
   929→```yuescript
   930→game = an\layer 'game'
   931→ui = an\layer 'ui'
   932→ui.camera = nil    -- disable camera for UI layer
   933→```
   934→
   935→---
   936→
   937→### Drawing Primitives
   938→
   939→#### layer\rectangle(x, y, w, h, color)
   940→
   941→```yuescript
   942→layer\rectangle 0, 0, 100, 50, red!
   943→```
   944→
   945→---
   946→
   947→#### layer\circle(x, y, radius, color)
   948→
   949→```yuescript
   950→layer\circle 50, 50, 25, blue!
   951→```
   952→
... [110 more lines]

Found 1 file
Anchor\framework\anchor\layer.yue

1→global *
     2→
     3→--[[
     4→  Layer class wraps the C layer handle for drawing.
     5→
     6→  Layers are FBOs (framebuffer objects) that accumulate draw commands during the frame.
     7→  Commands are deferred and processed at frame end via layer_render() with GL batching.
     8→  Draw order is FIFO — no z-ordering, call order determines render order.
     9→
    10→  Usage:
    11→    an\layer 'game'                           -- register layer
    12→    game = an.layers.game                     -- access layer
    13→    game\rectangle 100, 100, 50, 30, color    -- queue rectangle
    14→    game\draw!                                -- composite to screen
    15→
    16→  Properties:
    17→    @name   - string, layer identifier
    18→    @handle - C layer pointer
    19→]]
    20→class layer
    21→  --[[
    22→    Creates a new layer with the given name.
    23→
    24→    Usage:
    25→      layer 'game'
    26→      layer 'ui'
    27→
    28→    Behavior:
    29→      - Calls layer_create() which gets or creates a named layer in C
    30→      - Stores the C handle for subsequent draw calls
... [592 more lines]

So looking at the layer system, the draw commands go directly to C functions (`layer_rectangle`, `layer_draw_texture`, `layer_push`, `layer_pop`, etc.). The command queue is managed entirely in C — there's no Lua-side list of commands we can inspect or clone.

That means we can't directly "capture" the queued commands. The clever layer trick the user was thinking about won't work at this level — the commands are opaque C-side.

So the realistic options are:

1. **Manual afterimage object**: Create an `afterimage` class that stores all the parameters needed to replicate the ball's draw (position, angle, thrust_angle, image, scales, squash values) at creation time, then draws itself with fading alpha over several frames.


2. **Layer copying approach**: We could render to a separate temporary layer and copy its texture, but that would capture everything on that layer, not just the ball. We could push the ball's draw commands to a dedicated afterimage layer, but that's overly complicated.

The practical solution is the first option — a simple afterimage object that snapshots the ball's visual state and renders it with decreasing opacity.

The user's suggestion about leveraging the command queue is interesting, but since that's handled on the C side, we'd need to wrap the layer methods on the Lua side to intercept commands, which would be a major architectural shift. The snapshot approach is much more straightforward.

The user wants:

1. A simple `afterimage` class that takes position, rotation, scale_x, scale_y, image, duration, and draws with fading alpha. The class doesn't do any complex math — the caller computes all the transform values.

2. The afterimage spawning code should live near the draw code in the ball's update, not in the constructor. Instead of using `timer\every`, we manually track a timer variable and spawn when the interval elapses.

This keeps the afterimage class generic and simple, and the specific thrust-squash math stays local to where it's used.

Let me think about the implementation:

**afterimage class:**
- Takes: x, y, r, sx, sy, image, duration, layer (or just draws to game layer)


- Has an alpha that starts at 1 and decreases linearly over the duration
- Draws by pushing the transform, rendering the image with the fading alpha, then popping
- Dies when alpha reaches zero

The tricky part is that the ball's draw already uses nested transforms for position, thrust angle, and squash, then another for rotation and scale. Since the caller is responsible for computing what values to pass, the afterimage class can just accept a flat set of transform parameters and apply them directly without worrying about the layering.

But flattening the ball's two nested pushes into a single transform isn't trivial—the rotation between the two scales affects how they compose, so I'd need to pass the full composed matrix rather than individual x, y, rotation, and scale values.

Maybe the afterimage should just accept two sets of transform parameters for nested pushes, or store a flat table that the draw method unpacks for two separate pushes. Though the simplest path might be having the caller pre-compose the transforms mathematically, even if that's complex on their end.

But looking at the actual math here — the ball's position involves translating, rotating by thrust angle, scaling by the thrust values, then rotating again by the difference between the ball's angle and thrust angle, then scaling by the hit scale. That's genuinely two nested transforms that can't collapse into a single TRS operation. So I think supporting nested transforms is the right call.

What if afterimage takes a flat parameter set with two rotation-scale pairs plus position and image? The class iterates through each push operation...

Writing the transform loop...

Actually, I'm overthinking this. The user said afterimage receives position, rotation, scale, sprite, and duration — they're picturing a single transform. Let me see if I can simplify the ball's two-push sequence into one for the afterimage to use.

During thrust, the ball applies an outer push with translation, rotation by thrust angle, and scale combining the spring squash values with thrust stretch/squeeze, then an inner push that rotates by the angle offset and applies hit scale. But for afterimage purposes, the spring values and hit scale are basically 1, so I could collapse this down to just the essential transforms. The cleanest approach is probably to let afterimage support two pushes like the ball does, or make the interface flexible enough to handle variable push counts.

Defining the afterimage class...

I'm reconsidering the constructor signature—instead of passing a complex nested structure, I should simplify it to take individual parameters like layer, image, position, rotation, scale values, and duration. Let me look at how other visual-only objects in the codebase handle their initialization to match the existing patterns.

Actually, I'm realizing the real challenge here: the thrust case needs two nested transform pushes, but a simple afterimage might only need one. Rather than overcomplicating the constructor, I should think about pre-composing the transforms—combining the position, rotation, and scale into a single transformation that captures what the ball looks like at that moment. squash is along thrust_angle. For an afterimage, I could use a single push if I accept imperfect axis alignment, but the whole point of two pushes is getting directional squash—a single push only squashes along its rotation axis. I could try a single push at the thrust angle with stretched and squeezed values, then rotate the image by the difference, but that would need another push for the rotation and scale anyway.

So I need two pushes. I'll make the afterimage class accept a list of push parameters to keep it generic and flexible for other use cases. Each push is just a table with position, rotation, and scale values. Let me check how objects are structured in this codebase first to match the pattern.

2235:class dash_particle extends object

2235→class dash_particle extends object
  2236→  new: (@x, @y, args={}) =>
  2237→    super!
  2238→    @velocity = args.velocity or an.random\float 75, 100
  2239→    @direction = args.direction or math.pi/2
  2240→    @scale = 20/512 -- dash.png is 512x512, scale to ~20 pixels
  2241→    @duration = args.duration or an.random\float 1.2, 1.6
  2242→
  2243→    @\add spring!
  2244→    @spring\pull 'main', 0.3, 3, 1
  2245→
  2246→    @\add timer!
  2247→    @timer\tween @duration, @, {velocity: 0, scale: 0}, math.quad_out, -> @\kill!
  2248→    @flashing = true
  2249→    @timer\after 0.1*@duration, -> @flashing = false
  2250→
  2251→  update: (dt) =>
  2252→    @x += @velocity*math.cos(@direction)*dt
  2253→    @y += @velocity*math.sin(@direction)*dt
  2254→
  2255→    effects\push @x, @y, @direction, @scale*@spring.main.x, @scale*@spring.main.x
  2256→    effects\image an.images.dash, 0, 0, nil, @flashing and white!
  2257→    effects\pop!
  2258→
  2259→
  2260→
  2261→-- Hit effect: frame-based animation at collision points
  2262→class hit_effect extends object
  2263→  new: (@x, @y, args={}) =>
  2264→    super!
... [10 more lines]

OK so these visual-only objects extend `object`, use `super!`, and draw in `update`. They're added via `parent.effects\add`. The `kill` method is used to remove them.

Now, the afterimage needs two nested pushes for the thrust case. The simplest approach: have the afterimage accept a list of push param tables. The class does all the pushes, draws the image with fading alpha, then pops them all.

But actually, the user said "it receives position, rotation, scale, sprite, duration." They want it simple. Maybe I should just accept two levels of pushes explicitly? Or make it accept a flat table of pushes?
 
The user was clear about leaving the math to the caller—they compute the exact push parameters and pass them in. So the afterimage just needs to execute those pushes, draw the image with fading alpha, and pop them back. I'll make it accept a list of push tables so it works for both the thrust ball case with two pushes and simpler cases with just one.

Defining the afterimage class... I'm wondering if the x, y passed to the constructor are actually needed for the afterimage, since the caller is already providing explicit push coordinates. The constructor parameters might be there for the container system's spatial tracking, but the actual rendering uses the coordinates from the pushes array, so there could be some redundancy here.

Let me settle on a cleaner approach: keep x and y for the container system to handle things like out-of-bounds removal, but rely entirely on the pushes table for positioning during the draw phase.

Defining the afterimage class with constructor parameters, layer assignment, image storage, duration tracking, and the beginning of the update method...

Setting up the alpha fade calculation and iterating through the pushes table to apply transforms before drawing the image with the fading alpha, then popping those transforms afterward.

Now I need to add the spawning logic into the player's update function with a manual timer that triggers afterimage creation whenever the player is thrusting. Still writing the afterimage class... I'm torn between following the CLAUDE.md guideline to present code for review versus the user's earlier instruction to just implement what they want without asking further questions. Given how specific they've been about the afterimage system, I should just go ahead and write the code rather than asking for confirmation.

276→    Queues an image (texture) centered at (x, y).
   277→
   278→    Usage:
   279→      layer\image an.images.player, 100, 100
   280→      layer\image an.images.player, 100, 100, rgba(255, 255, 255, 128)  -- semi-transparent
   281→      layer\image an.images.player, 100, 100, 0xFFFFFFFF, rgba(255, 0, 0, 255)  -- red flash
   282→
   283→    Parameters:
   284→      image - image object (from an\image)
   285→      x, y  - center position
   286→      color - tint/multiply color (default: white/opaque)
   287→      flash - additive flash color (default: none)
   288→
   289→    Note: Use push/pop for rotation and scaling.
   290→  ]]
   291→  image: (image, x, y, color, flash) =>
   292→    layer_draw_texture @handle, image.handle, x, y, color or 0xFFFFFFFF, flash or 0
   293→
   294→  --[[
   295→    Queues a spritesheet frame centered at (x, y).

Found 2 files
Anchor\framework\anchor\color.lua
Anchor\framework\anchor\color.yue

1→global *
     2→
     3→--[[
     4→  Mutable color with RGB and HSL access.
     5→
     6→  Usage:
     7→    red = color 255, 0, 0
     8→    red.r = 200              -- modify in place
     9→    red.l = 0.8              -- set lightness, recomputes RGB
    10→    layer\circle x, y, r, red!  -- get packed value
    11→
    12→  Color is a standalone class (not a child object).
    13→  All properties (r, g, b, a, h, s, l) are readable and writable.
    14→  RGB and HSL stay synchronized automatically.
    15→
    16→  Properties:
    17→    r, g, b  - RGB components (0-255)
    18→    a        - alpha (0-255)
    19→    h        - hue (0-360)
    20→    s        - saturation (0-1)
    21→    l        - lightness (0-1)
    22→
    23→  Operators (mutate in place, return self):
    24→    color * number     - multiply RGB by scalar
    25→    color * color      - multiply RGB component-wise
    26→    color / number     - divide RGB by scalar
    27→    color + number     - add to all RGB
    28→    color + color      - add RGB component-wise
    29→    color - number     - subtract from all RGB
    30→    color - color      - subtract RGB component-wise
... [322 more lines]

OK so the color class uses `__call` to pack to RGBA integer. Setting `.a` directly works (line 148-149, just sets the value, no HSL sync needed for alpha). So we can create a `color 255, 255, 255` in the constructor, then each frame just set `@color.a = ...` and call `@color!` to get the packed value.

Updated class:

```yuescript
class afterimage extends object
  new: (@x, @y, args={}) =>
    super!
    @layer = args.layer or game
    @image = args.image
    @duration = args.duration or 0.15


```

Finishing the constructor...

In the update method, I'm tracking elapsed time and killing the object when duration expires, then calculating the alpha fade based on progress through the duration, pushing any configured push values to the layer, and drawing the image with the tinted color.

```

Let me implement this. I need to:

1. Add the `afterimage` class near the other particle classes (near `dash_particle` at line 2235)
2. Add `@afterimage_timer = 0` to the sword config block in the ball constructor
3. Add the spawning code after the squash computation, before the ball draw

Let me first find the sword config block to add the timer.

1112:      @thrust_cooldown = 5  -- seconds between thrusts

1549:    @timer\after @thrust_cooldown, 'thrust_cooldown', -> @thrust_ready = true

1108→      @camera_shake_multiplier = 1.5  -- stronger camera shake
  1109→      @thrust_damage = 1  -- increases by 1 per successful thrust hit
  1110→      @thrust_speed = 200  -- added to current speed during thrust
  1111→      @thrust_duration = 0.5  -- how long thrust lasts
  1112→      @thrust_cooldown = 5  -- seconds between thrusts
  1113→    else  -- dagger
  1114→      @weapon_class = 'melee'
  1115→      @weapon_image = an.images.dagger

1339→    -- Thrust squash values (used by both ball and weapon draw)
  1340→    squash_t, stretch_amount, squeeze_amount = 0, 0, 0
  1341→    if @thrusting
  1342→      squash_t = math.sin(@thrust_progress*math.pi)
  1343→      thrust_speed = math.lerp(math.quad_out(@thrust_progress), @thrust_start_speed, @thrust_end_speed)
  1344→      speed_factor = math.clamp(math.remap(thrust_speed, 400, 600, 0, 1), 0, 1)
  1345→      stretch_amount = math.lerp(speed_factor, 0.4, 0.6)
  1346→      squeeze_amount = math.lerp(speed_factor, 0.2, 0.3)
  1347→
  1348→    if @thrusting
  1349→      thrust_stretch = 1 + stretch_amount*squash_t
  1350→      thrust_squeeze = 1 - squeeze_amount*squash_t
  1351→      game\push @x, @y, @thrust_angle, squash_x*thrust_stretch, squash_y*thrust_squeeze
  1352→      game\push 0, 0, @angle - @thrust_angle, @scale*hit_scale, @scale*hit_scale
  1353→      game\image @image, 0, 0, nil, @ball_flashing and white!
  1354→      game\pop!
  1355→      game\pop!
  1356→    else
  1357→      game\push @x, @y, 0, squash_x, squash_y           -- world-aligned squash (no rotation)
  1358→      game\push 0, 0, @angle, @scale*hit_scale, @scale*hit_scale  -- rotation + base scale

2230→    effects\pop!
  2231→
  2232→
  2233→
  2234→-- Dash particle: spawns when ball unsticks from floor

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1348→
  1349→    -- Spawn afterimages during thrust
  1350→    if @thrusting
  1351→      @afterimage_timer += dt
  1352→      if @afterimage_timer >= 0.03
  1353→        @afterimage_timer = 0
  1354→        thrust_stretch_ai = 1 + stretch_amount*squash_t
  1355→        thrust_squeeze_ai = 1 - squeeze_amount*squash_t
  1356→        @parent.effects\add afterimage @x, @y, {
  1357→          layer: game, image: @image, duration: 0.15
  1358→          pushes: {
  1359→            {@x, @y, @thrust_angle, squash_x*thrust_stretch_ai, squash_y*thrust_squeeze_ai}
  1360→            {0, 0, @angle - @thrust_angle, @scale*hit_scale, @scale*hit_scale}
  1361→          }
  1362→        }
  1363→
  1364→    if @thrusting
  1365→      thrust_stretch = 1 + stretch_amount*squash_t
  1366→      thrust_squeeze = 1 - squeeze_amount*squash_t
  1367→      game\push @x, @y, @thrust_angle, squash_x*thrust_stretch, squash_y*thrust_squeeze
  1368→      game\push 0, 0, @angle - @thrust_angle, @scale*hit_scale, @scale*hit_scale
  1369→      game\image @image, 0, 0, nil, @ball_flashing and white!
  1370→      game\pop!
  1371→      game\pop!
  1372→    else

The user is seeing darker outlines as the alpha decreases. This is likely because the outline shader processes the layer after all draws are done, and the outline is based on the alpha channel of the rendered pixels. When the afterimage has low alpha, the outline shader still detects the edge and draws a full-opacity outline, or the outline color gets mixed in a way that makes it darker.

Actually, let me think about this more carefully. The tint color multiplies with the texture. So `color(255, 255, 255, 128)` would multiply the texture's RGBA by (1, 1, 1, 0.5). This means the emoji's pixels become semi-transparent. When these semi-transparent pixels are on the `game` layer, the outline shader (which likely looks for alpha edges) would still detect them and draw outlines.


The "darker outlines" description suggests the semi-transparent emoji is blending with the background while the outline remains at full opacity, creating a dark border effect. I'm looking at the tint color implementation to understand how the multiply operation works with the RGBA values. an edge there and draws a full-opacity outline. As the alpha decreases, the emoji becomes more transparent but the outline shader might still detect the edge and render it prominently.

The real issue might be that the outline layer sits on top of the game layer, so when the afterimage fades with reduced alpha, the opaque outline becomes more visible by contrast. Or the tint's alpha multiplication might not be working as intended in the C renderer.

I'm considering a few approaches: drawing afterimages to a layer without outline processing, using a different fade effect instead of alpha reduction, or switching to the effects layer if it skips outline generation.

Looking at the layer structure, the effects layer exists and might not have outline processing applied. The afterimages are already being added to the effects container via `@parent.effects\add`, but they're currently set to draw on the game layer. If I switch them to the effects layer instead, they'd bypass the outline shader entirely—they'd look ghostly without the outline, which might actually be the right visual treatment for afterimages anyway.

I should explain the root cause to the user and walk through the options rather than trying to guess the best solution.

40:back_outline = an\layer 'back_outline'

42:game_outline = an\layer 'game_outline'

44:front_outline = an\layer 'front_outline'

47:weapons_outline = an\layer 'weapons_outline'

48:outline_only = an\layer 'outline_only' -- source layer for outline_only shader, never drawn itself

49:actual_outline_only = an\layer 'actual_outline_only' -- result of outline_only shader

51:effects_outline = an\layer 'effects_outline'

55:ui_outline = an\layer 'ui_outline'

62:ui_outline.camera = nil

67:an\shader 'outline', 'assets/outline.frag'

68:an\shader 'outline_only', 'assets/outline_only.frag'

199:  outline_only\render!

221:  shader_set_vec2_immediate an.shaders.outline, "u_pixel_size", 1/gw, 1/gh

222:  back_outline\clear!

223:  back_outline\draw_from back, an.shaders.outline

224:  game_outline\clear!

225:  game_outline\draw_from game, an.shaders.outline

226:  front_outline\clear!

227:  front_outline\draw_from front, an.shaders.outline

228:  weapons_outline\clear!

229:  weapons_outline\draw_from weapons, an.shaders.outline

230:  effects_outline\clear!

231:  effects_outline\draw_from effects, an.shaders.outline

232:  ui_outline\clear!

233:  ui_outline\draw_from ui, an.shaders.outline

235:  shader_set_vec2_immediate an.shaders.outline_only, "u_pixel_size", 1/gw, 1/gh

236:  actual_outline_only\clear!

237:  actual_outline_only\draw_from outline_only, an.shaders.outline_only

241:  back_outline\draw!

243:  game_outline\draw!

... [10 more lines]

37→-- Layers
    38→bg = an\layer 'bg'
    39→back = an\layer 'back'
    40→back_outline = an\layer 'back_outline'
    41→game = an\layer 'game'
    42→game_outline = an\layer 'game_outline'
    43→front = an\layer 'front'
    44→front_outline = an\layer 'front_outline'
    45→cover = an\layer 'cover'
    46→weapons = an\layer 'weapons'
    47→weapons_outline = an\layer 'weapons_outline'
    48→outline_only = an\layer 'outline_only' -- source layer for outline_only shader, never drawn itself
    49→actual_outline_only = an\layer 'actual_outline_only' -- result of outline_only shader
    50→effects = an\layer 'effects'
    51→effects_outline = an\layer 'effects_outline'
    52→recolor_blue = an\layer 'recolor_blue'
    53→recolor_yellow = an\layer 'recolor_yellow'
    54→ui = an\layer 'ui'
    55→ui_outline = an\layer 'ui_outline'
    56→shadow = an\layer 'shadow'
    57→debug_draw = an\layer 'debug_draw'
    58→
    59→--[[
    60→-- UI layers don't use camera (no shake)
    61→ui.camera = nil
    62→ui_outline.camera = nil
    63→]]
    64→
    65→-- Shaders
    66→an\shader 'shadow', 'assets/shadow.frag'

238→
   239→  bg\draw!
   240→  shadow\draw 4, 4
   241→  back_outline\draw!
   242→  back\draw!
   243→  game_outline\draw!
   244→  game\draw!
   245→  front_outline\draw!
   246→  front\draw!
   247→  cover\draw!
   248→  weapons_outline\draw!
   249→  weapons\draw!
   250→  actual_outline_only\draw!
   251→  outline_only\clear!
   252→  effects_outline\draw!
   253→  effects\draw!
   254→  ui_outline\draw!
   255→  ui\draw!
   256→  debug_draw\draw!
   257→
   258→
   259→
   260→-- Arena class (contains walls, manages fight state)
   261→class arena extends object
   262→  new: =>

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user wants the afterimage to shrink as it fades below 128 alpha, so the dark outline effect becomes less noticeable. I need to modify the afterimage class's update method to scale down the pushes when alpha is below 128.

The cleanest way: compute a scale factor based on alpha. When alpha >= 128, scale = 1. When alpha < 128, scale decreases from 1 to 0 as alpha goes from 128 to 0. Then multiply the scale components of each push by this factor.

Actually, since the pushes are stored as fixed values from creation time, I can't modify them. Instead, I should apply an additional scale when drawing. 

I'll wrap the existing pushes in an additional push that applies the shrink scale, calculating the shrink factor based on whether the alpha has dropped below 128, then applying it to each push's scale components.

Actually, I need to be careful here — I should only scale one of the pushes to avoid compounding the effect. The first push handles translation and rotation with its own scale factors, so I only need to multiply the scale of one push by the shrink value. I'm settling on applying the shrink factor directly to the first push's scale values, since transforms compose and this will uniformly scale everything down without compounding the effect. Now I'm modifying the code to apply this shrink calculation based on the alpha channel. I'm realizing the simplest approach is to just apply the shrink scale to the first push only, since that's where the position is set. I'm writing the update function that handles the animation timing and tint alpha calculation.

Still writing the rendering logic... YueScript sugar for ipairs. Let me check if ipairs gives index...

In YueScript, `for i, push in ipairs @pushes` gives index and value. `for push in *@pushes` only gives value. So I need to use ipairs explicitly to get the index.

I could handle the first push separately and loop through the rest, applying the shrink factor only to that initial push. Then I'd pop all the layers afterward. The edge case where there's only one push is fine—the loop just won't execute. If there are no pushes at all, accessing `@pushes[1]` would crash, but that shouldn't happen in practice.

Actually, I'm overcomplicating this. Let me keep the class generic and go with the simplest approach that works.

Writing the update method... I'm looking at the class code now to make the edits and integrate this simpler approach.

2247→
  2248→
  2249→
  2250→-- Afterimage: fading ghost of a sprite at a captured transform
  2251→class afterimage extends object
  2252→  new: (@x, @y, args={}) =>
  2253→    super!
  2254→    @layer = args.layer or game
  2255→    @image = args.image
  2256→    @duration = args.duration or 0.15
  2257→    @pushes = args.pushes or {}
  2258→    @t = 0
  2259→    @tint = color 255, 255, 255
  2260→
  2261→  update: (dt) =>
  2262→    @t += dt
  2263→    if @t >= @duration
  2264→      @\kill!

2261→  update: (dt) =>
  2262→    @t += dt
  2263→    if @t >= @duration
  2264→      @\kill!
  2265→      return
  2266→    @tint.a = math.floor(255*(1 - @t/@duration))
  2267→    for push in *@pushes
  2268→      @layer\push push[1], push[2], push[3], push[4], push[5]
  2269→    @layer\image @image, 0, 0, @tint!
  2270→    for i = 1, #@pushes
  2271→      @layer\pop!
  2272→

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user wants the shrink to be more aggressive — faster decrease as alpha approaches 128, reaching 0 sooner. Currently it's linear: `@tint.a/128`. I could square it or use a power curve to make it drop faster.

`(@tint.a/128)^2` would make it: at alpha 128 → 1, at alpha 64 → 0.25, at alpha 0 → 0. That's much more aggressive.

Or `(@tint.a/128)^3` would be even more aggressive.

Let me try squaring it.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

Two things:

1. Thrust damage should only increase once per thrust (currently it increases every time the sword hits while thrusting, so if it hits multiple times in one thrust, it increases multiple times)
2. Spawn a status_text showing "+1 thrust dmg" when it increases

Let me find the relevant code for both. First, the hit handler where thrust_damage increases, and then the status_text class to understand how to use it.

809-      -- Weapon-specific scaling on hit

810-      if attacker.weapon_type == 'dagger'

811-        attacker.base_angular_velocity += attacker.base_angular_velocity_increase_per_hit

812-        attacker.max_angular_velocity = attacker.base_angular_velocity*2

813-      elseif attacker.weapon_type == 'sword' and attacker.thrusting

814:        attacker.thrust_damage += 1

815-

816-      -- Hit effect on defender's edge, facing the weapon

817-      weapon_x = attacker.x + attacker.weapon_visual_offset*math.cos(attacker.angle)

818-      weapon_y = attacker.y + attacker.weapon_visual_offset*math.sin(attacker.angle)

819-      hit_angle = math.angle_to_point(defender.x, defender.y, weapon_x, weapon_y)

2439:class status_text extends object

2439→class status_text extends object
  2440→  new: (@x, @y, text, args={}) =>
  2441→    super!
  2442→    @vy = args.vy or -24
  2443→    @duration_multiplier = args.duration_multiplier or 1
  2444→    @scale_multiplier = args.scale_multiplier or 1
  2445→    @base_scale = 12/512
  2446→    @scale = @base_scale*@scale_multiplier
  2447→    @layer = args.layer or recolor_yellow
  2448→    @\add spring!
  2449→    @spring\pull 'main', 1.5, 4, 0.6
  2450→
  2451→    -- Create character data for each character
  2452→    -- "+" uses effects (no recolor), numbers use recolor_blue, letters use recolor_yellow (red)
  2453→    @characters = {}
  2454→    seen_space = false
  2455→    for i = 1, #text
  2456→      char = text\sub(i, i)\lower!
  2457→      if char == ' '
  2458→        @characters[] = {space: true}
  2459→        seen_space = true
  2460→        continue
  2461→      is_plus = char == '+'
  2462→      char = 'plus' if is_plus
  2463→      @characters[] = {
  2464→        image: an.images[char]
  2465→        rotation: an.random\float -math.pi/16, math.pi/16
  2466→        angular_speed: an.random\float -math.pi/4, math.pi/4
  2467→        offset_y: 0
  2468→        layer: is_plus and effects or (seen_space and recolor_yellow or recolor_blue)

No matches found

2439:class status_text extends object

It's only defined but never used yet. Let me check how other objects are spawned to see the pattern.

Let me look at how hit_effect or dash_particle are spawned.

720:      @effects\add hit_circle event.point_x, event.point_y, {radius: 6 + 4*intensity, duration: an.random\float(0.15, 0.3), color: yellow, flash_on_spawn: true}

722:        @effects\add hit_particle event.point_x, event.point_y,

789:        @effects\add star_particle x, y,

875:      @effects\add hit_effect x, y, {scale: 1.35*multiplier}

877:      @effects\add hit_circle x, y, {radius: 9*multiplier}


[Showing results with pagination = limit: 5, offset: 0]

800→      continue if attacker.weapon_class != 'melee'
   801→
   802→      -- Apply damage (thrust hits use thrust_damage)
   803→      damage = if attacker.thrusting then attacker.thrust_damage else attacker.base_damage
   804→      attacker\flash_weapon!
   805→      defender\take_damage damage, attacker
   806→      attacker.hits_landed += 1
   807→      attacker.weapon_ui\landed_hit!
   808→
   809→      -- Weapon-specific scaling on hit
   810→      if attacker.weapon_type == 'dagger'
   811→        attacker.base_angular_velocity += attacker.base_angular_velocity_increase_per_hit
   812→        attacker.max_angular_velocity = attacker.base_angular_velocity*2
   813→      elseif attacker.weapon_type == 'sword' and attacker.thrusting
   814→        attacker.thrust_damage += 1
   815→
   816→      -- Hit effect on defender's edge, facing the weapon
   817→      weapon_x = attacker.x + attacker.weapon_visual_offset*math.cos(attacker.angle)
   818→      weapon_y = attacker.y + attacker.weapon_visual_offset*math.sin(attacker.angle)
   819→      hit_angle = math.angle_to_point(defender.x, defender.y, weapon_x, weapon_y)

1543:      @thrusting = true

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user wants to refactor `status_text` so that each character is a full anchor `object` (with access to modules like timer, spring, etc.), and they should be children of the parent `status_text`. They want me to reference the "cloud" code for how to create inline objects.

Let me first read the full status_text class and the cloud code.

2439→
  2440→
  2441→-- Status text: floating text for status messages like "+1 DMG"
  2442→class status_text extends object
  2443→  new: (@x, @y, text, args={}) =>
  2444→    super!
  2445→    @vy = args.vy or -24
  2446→    @duration_multiplier = args.duration_multiplier or 1
  2447→    @scale_multiplier = args.scale_multiplier or 1
  2448→    @base_scale = 12/512
  2449→    @scale = @base_scale*@scale_multiplier
  2450→    @layer = args.layer or recolor_yellow
  2451→    @\add spring!
  2452→    @spring\pull 'main', 0.5, 4, 0.6
  2453→
  2454→    -- Create character data for each character
  2455→    -- "+" uses effects (no recolor), numbers use recolor_blue, letters use recolor_yellow (red)
  2456→    @characters = {}
  2457→    seen_space = false
  2458→    for i = 1, #text
  2459→      char = text\sub(i, i)\lower!
  2460→      if char == ' '
  2461→        @characters[] = {space: true}
  2462→        seen_space = true
  2463→        continue
  2464→      is_plus = char == '+'
  2465→      char = 'plus' if is_plus
  2466→      @characters[] = {
  2467→        image: an.images[char]
  2468→        rotation: an.random\float -math.pi/16, math.pi/16
... [30 more lines]

2498→      continue if character.space
  2499→      character_y = @y + character.offset_y
  2500→      character.layer\push character_x, character_y, character.rotation, @scale*@spring.main.x, @scale*@spring.main.x
  2501→      character.layer\image character.image, 0, 0, nil, @flashing and white! or character.tint
  2502→      character.layer\pop!
  2503→
  2504→
  2505→
  2506→-- Plant class: decorative plants that sway and react to physics events
  2507→class plant extends object
  2508→  new: (@x, @y, args={}) =>
  2509→    super!
  2510→    @\tag 'plant'
  2511→    @image = an.images[args.image or 'seedling']
  2512→    @w = args.w or 16

No matches found

92:an\image 'cloud', 'assets/cloud.png'

315:    cloud_image = an.images.cloud

316:    cloud_base_scale = 24/cloud_image.width

317:    cloud_speed = 5

318:    cloud_min_spacing = 45

319:    cloud_alpha = math.floor(an.random\float(0.5, 0.6) * 255)

322:    cloud_area_x = @x - 30

323:    cloud_area_y = @y - 10

324:    cloud_area_w = @w + 60

325:    cloud_area_h = @h * 0.6

328:    cloud_positions = {}

332:    start_x = cloud_area_x + an.random\float(0, cloud_area_w)

333:    start_y = cloud_area_y + an.random\float(0, cloud_area_h)

334:    cloud_positions[] = {x: start_x, y: start_y}

335:    active[] = cloud_positions[1]

345:        distance = an.random\float(cloud_min_spacing, 2*cloud_min_spacing)

350:        continue unless new_x >= cloud_area_x and new_x <= cloud_area_x + cloud_area_w

351:        continue unless new_y >= cloud_area_y and new_y <= cloud_area_y + cloud_area_h

355:        for existing in *cloud_positions

356:          if math.distance(new_x, new_y, existing.x, existing.y) < cloud_min_spacing

362:          cloud_positions[] = new_point

371:    -- Create cloud objects from generated positions

372:    for position in *cloud_positions

373:      cloud = object!

374:      cloud\set {

377:        scale: cloud_base_scale * an.random\float(0.8, 1.2)

379:        speed: cloud_speed

380:        draw_color: color(255, 255, 255, cloud_alpha)

381:        arena_left: cloud_area_x

384:      cloud\action (dt) =>

... [3 more lines]

371→    -- Create cloud objects from generated positions
   372→    for position in *cloud_positions
   373→      cloud = object!
   374→      cloud\set {
   375→        x: position.x
   376→        y: position.y
   377→        scale: cloud_base_scale * an.random\float(0.8, 1.2)
   378→        flip: an.random\sign!
   379→        speed: cloud_speed
   380→        draw_color: color(255, 255, 255, cloud_alpha)
   381→        arena_left: cloud_area_x
   382→        arena_right: @x + @w + 30
   383→      }
   384→      cloud\action (dt) =>
   385→        @x += @speed*dt
   386→        @x = @arena_left - 20 if @x > @arena_right
   387→        bg\push @x, @y, 0, @flip*@scale, @scale
   388→        bg\image cloud_image, 0, 0, @draw_color!
   389→        bg\pop!
   390→      cloud\flow_to @
   391→
   392→  --[[
   393→    COLLISION ENERGY SYSTEM
   394→
   395→    Box2D leaks energy even with restitution=1, causing balls to eventually stop bouncing.

132:an\action(name?, callback)

164:object\set(properties)

174:object\flow_to(state_name)

180:object\action(name?, callback)

193:object\F(state) -> self     -- flow_to

219:layer\set_blend_mode(mode)

278:animation\set_frame(frame)

311:collider\set_position(x, y)

313:collider\set_angle(angle)

314:collider\set_transform(x, y, angle)

320:collider\set_velocity(vx, vy)

322:collider\set_angular_velocity(av)

337:collider\set_linear_damping(damping)

338:collider\set_angular_damping(damping)

339:collider\set_gravity_scale(scale)

340:collider\set_fixed_rotation(fixed)

341:collider\set_bullet(bullet)

343:collider\set_center_of_mass(x, y)

346:collider\set_awake(awake)

351:collider\set_friction(friction)

353:collider\set_restitution(restitution)

355:collider\set_density(density)

402:timer\set_multiplier(multiplier)

436:camera\set_bounds(x, y, w, h)

449:spring\set_target(name, value)

465:shake\set_trauma_parameters(amplitude)

518:random\set_seed(seed)

160→```
   161→
   162→### Property Setting
   163→```
   164→object\set(properties)
   165→```
   166→
   167→### Build Pattern
   168→```
   169→object\build() -> self
   170→```
   171→
   172→### State Transitions
   173→```
   174→object\flow_to(state_name)
   175→```
   176→
   177→### Action Phases
   178→```
   179→object\early_action(name?, callback)
   180→object\action(name?, callback)
   181→object\late_action(name?, callback)
   182→```
   183→
   184→### Aliases
   185→```
   186→object\T(tags...)           -- tag
   187→object\Y(tag) -> bool       -- is (tYpe check)
   188→object\U(callback)          -- early_action (Update early)
   189→object\E(callback)          -- action (Execute)

Now I understand the cloud pattern:

1. Create a plain `object!` (not a class, just an instance)
2. Use `\set` to give it properties
3. Use `\action` to define its update behavior
4. Use `\flow_to` to make it a child of the parent

For `status_text`, the plan is:

- `status_text` remains a class extending `object`- Instead of storing characters as plain data tables in `@characters`, each character becomes a full `object!` instance
- Each character object gets properties via `\set` (image, rotation, angular_speed, offset_y, layer, tint)


- Each character gets its own `\action` for drawing and becomes a child of `status_text` via `\flow_to @`

Since each character is now a full object, it can have modules like timer, spring, etc. added to it. I'm setting up the `status_text` class with initialization parameters for velocity, duration multiplier, and scale multiplier.

Setting up the character parsing logic... Setting up the character animation with rotation and vertical bobbing, then scheduling the scale tween and optional flash effect. Now I'm working through the update logic and realizing the character needs access to its parent's position and properties to draw correctly, which I can handle through the parent reference.

Still writing animation code...

The issue is that spaces need to affect positioning even though they're not drawable objects. I could either make spaces into objects that don't render anything, or store the actual character index (including spaces) on each character object so positioning stays correct.

Making spaces into objects too is cleaner—each character object knows its own index in the full string, and the parent tracks the total count.

Defining the status_text class... Writing character animation logic...

Now I'm thinking through the lifecycle—when the parent gets destroyed with `kill`, the children should automatically get cleaned up too since they're part of the same container hierarchy. I need to verify how `flow_to` handles parent destruction to make sure there aren't any orphaned references.

There's also a potential ordering issue with the update cycle. The parent's `update` method shifts `@y` upward, and the children's `action` callbacks reference `@parent.y` for positioning. I should check whether `update` runs before `action` in the framework's execution order—if it does, the children will see the correct updated position, which is what I want. I should stick with `update:` for the parent since it just needs to modify @y now that drawing is handled by children. Before I implement anything though, I need to verify whether `@parent` is the right way for children to access the parent object, or if I should follow the cloud example's pattern of using `\set` to explicitly pass references instead.

E:\a327ex\Anchor\framework\anchor\object.lua-205-

E:\a327ex\Anchor\framework\anchor\object.lua-206-

E:\a327ex\Anchor\framework\anchor\object.lua-207-

E:\a327ex\Anchor\framework\anchor\object.lua-208-

E:\a327ex\Anchor\framework\anchor\object.lua-209-

E:\a327ex\Anchor\framework\anchor\object.lua-210-

E:\a327ex\Anchor\framework\anchor\object.lua-211-

E:\a327ex\Anchor\framework\anchor\object.lua-212-build_function(self)return 

E:\a327ex\Anchor\framework\anchor\object.lua:213:self end, flow_to = function(self, parent)

E:\a327ex\Anchor\framework\anchor\object.lua-214-

E:\a327ex\Anchor\framework\anchor\object.lua-215-

E:\a327ex\Anchor\framework\anchor\object.lua-216-

E:\a327ex\Anchor\framework\anchor\object.lua-217-

E:\a327ex\Anchor\framework\anchor\object.lua-218-

E:\a327ex\Anchor\framework\anchor\object.lua-219-

E:\a327ex\Anchor\framework\anchor\object.lua-220-

E:\a327ex\Anchor\framework\anchor\object.lua-221-

--
E:\a327ex\Anchor\framework\anchor\object.lua-362-

E:\a327ex\Anchor\framework\anchor\object.lua-363-self:early_action(name_or_fn, fn)end, X = function(self, name_or_fn, fn)return 

E:\a327ex\Anchor\framework\anchor\object.lua-364-self:action(name_or_fn, fn)end, L = function(self, name_or_fn, fn)return 

E:\a327ex\Anchor\framework\anchor\object.lua-365-self:late_action(name_or_fn, fn)end, A = function(self, child)return 

E:\a327ex\Anchor\framework\anchor\object.lua-366-self:add(child)end, K = function(self, target, callback)return 

E:\a327ex\Anchor\framework\anchor\object.lua-367-self:link(target, callback)end, Y = function(self, properties)return 

E:\a327ex\Anchor\framework\anchor\object.lua-368-self:set(properties)end, U = function(self, build_function)return 

E:\a327ex\Anchor\framework\anchor\object.lua-369-self:build(build_function)end, F = function(self, parent)return 

E:\a327ex\Anchor\framework\anchor\object.lua:370:self:flow_to(parent)end, _early_update = function(self, dt)if 

E:\a327ex\Anchor\framework\anchor\object.lua-371-

E:\a327ex\Anchor\framework\anchor\object.lua-372-

E:\a327ex\Anchor\framework\anchor\object.lua-373-

... [67 more lines]

34:      - Sets child.parent = @
47:    child.parent = @
499:          child.parent = nil

Let me write out the full replacement code for the status_text class.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

User has answered your questions: "For the status_text color fill, which direction should the bar move across the text?"="Left to right", "What color should the fill be for the sword thrust?"="We will decide later, don't implement anything yet.", "Where should the cooldown bar be positioned?"="Along the weapon". You can now continue with the user's answers in mind.

816:        @effects\add status_text attacker.x, attacker.y - 10, "+1 dmg"

2442:class status_text extends object

<tool_use_error>File has been modified since read, either by the user or by a linter. Read it again before attempting to write it.</tool_use_error>

816:        @effects\add status_text attacker.x, attacker.y - 10, "+1 dmg"

2442:class status_text extends object

816→        @effects\add status_text attacker.x, attacker.y - 10, "+1 dmg"

The file E:\a327ex\emoji-ball-battles\main.yue has been updated. All occurrences of 'status_text' were successfully replaced with 'emoji_text'.

Let me think through the implementation carefully.

The status_text class needs to:

1. Display text using a font (lana or similar)
2. Each character shakes a little
3. A color fill sweeps left-to-right based on a progress value (0→1)
4. The caller controls the progress externally

For the shaking, if we're drawing the text as a whole string (not per-character), we can't shake individual characters independently. We'd need to either:

- Shake the whole text slightly (simpler, but not per-character)
- Draw each character individually with its own shake offset

But the user said "each character shakes a little." So we need per-character rendering for the shake, but the color fill can still use the stencil approach.


I could draw each character individually with its own shake offset and use a stencil to mask the color fill across all of them—that way the colored version only shows where the fill line has reached. But that means drawing each character twice, which adds overhead. Alternatively, I could determine per-character whether it's fully before the fill line, fully after, or partially crossed, and render accordingly without needing the stencil approach. crossing → could use stencil just for that one. For characters after the fill line → white.

Actually, for characters straddling the fill boundary, the visual difference of snapping at character boundaries vs smooth sub-character fill might be minimal for small text. But the user chose option 3 (stencil approach).

Let me think about this differently. The stencil approach with per-character shake:

1. First pass: stencil_mask, draw a rectangle covering the "filled" portion (left side up to progress)
2. stencil_test: draw ALL characters with shake offsets in the fill color — only the ones within the stencil show
3. stencil_off
4. Now draw the remaining unfilled portion. We need an inverted stencil... but the API might not support that.

Hmm, actually looking at the stencil API, I can only write to the stencil buffer with stencil_mask, then test against it with stencil_test. There's no inverse mode, so I can't directly do "colored where filled, white where not" in one pass.

But I can flip the approach: draw all characters in white first as the base layer, then use the stencil to overlay the fill color on top. I'll mask a rectangle from the left edge to the progress position, then redraw all the characters in the fill color with the same shake offsets. Since the colored text renders on top of the white text only within the stencil region, the effect works perfectly.

Now I'm setting up the class structure for the status text object.

I'm initializing the font, layer, and animation properties, then creating a per-character shake system where each character gets its own random phase offset so they can animate independently. I'm also adding a timer to the object to handle updates.

Updating character shake...

63:font_get_text_width(name, text) -> number
64:font_get_char_width(name, codepoint) -> number
65:font_get_glyph_metrics(name, codepoint) -> {width, height, advance, bearingX, bearingY}
67:layer_draw_glyph(layer, codepoint, font_name, x, y, r?, sx?, sy?, color)

109:an\font 'fat', 'assets/FatPixelFont.ttf', 8

110:an\font 'lana', 'assets/LanaPixel.ttf', 11

60→font_load(name, path, size)
    61→font_unload(name)
    62→font_get_height(name) -> number
    63→font_get_text_width(name, text) -> number
    64→font_get_char_width(name, codepoint) -> number
    65→font_get_glyph_metrics(name, codepoint) -> {width, height, advance, bearingX, bearingY}
    66→layer_draw_text(layer, text, font_name, x, y, color)
    67→layer_draw_glyph(layer, codepoint, font_name, x, y, r?, sx?, sy?, color)
    68→```
    69→
    70→## Audio
    71→
    72→```
    73→sound_load(path) -> sound
    74→sound_play(sound, volume?, pitch?)

No matches found

The framework layer class doesn't wrap `layer_draw_glyph`. We'd need to call it directly as a global C function. Let me check what args it takes:

`layer_draw_glyph(layer, codepoint, font_name, x, y, r?, sx?, sy?, color)`

So we'd call it like:
```yuescript
layer_draw_glyph @layer.handle, codepoint, 'lana', x, y, 0, 1, 1, color
```

OK, now let me think through the full implementation.

For the stencil approach with per-character shake:1. Compute each character's position (using font_get_char_width for advance)


2. Draw all characters in base color (white) with per-character shake offsets using layer_draw_glyph3. stencil_mask: draw a rectangle from left edge to (left_edge + progress * total_width)4. stencil_test: draw all characters again in fill color with same shake offsets
5. stencil_off

The class needs to track the text and font, maintain a progress value that the parent ball object updates based on thrust, store base and fill colors, hold references to the layer and per-character shake data with individual x offsets and phases.

Now I'm thinking about lifecycle — the ball should spawn this status_text when thrust starts, update its progress each frame while thrusting, and clean it up when thrust ends. For positioning, I'll keep it simple and let the caller handle that, whether it floats above the ball or follows it.

Defining the class structure... Writing the render logic...

Wait, I'm realizing there's an issue with how the layer transform interacts with the glyph drawing parameters—the rotation, scale X, and scale Y values might not work as expected if the layer already has its own transform applied.

Looking at the function signature more carefully, I need to understand whether the x, y coordinates are in the layer's transformed space or world space, and whether the glyph positioning is relative to the baseline or top-left. Let me check the engine documentation to clarify how layer_draw_glyph actually positions glyphs.

519-```lua
520-local metrics = font_get_glyph_metrics("main", string.byte("A"))
521-print(metrics.width, metrics.height, metrics.advance)
522-```
523-
524-### layer_draw_text
525-
526-`layer_draw_text(layer, text, font_name, x, y, color)`
527-
528-Draws text at the given position.
529-
530-```lua
531-layer_draw_text(layer, "Score: 100", "main", 10, 10, rgba(255, 255, 255))
532-```
533-
534:### layer_draw_glyph
535-
536:`layer_draw_glyph(layer, codepoint, font_name, x, y, r?, sx?, sy?, color)`
537-
538-Draws a single glyph with transform.
539-
540-```lua
541:layer_draw_glyph(layer, string.byte("A"), "main", 100, 100, 0, 2, 2, rgba(255, 255, 255))
542-```
543-
544----
545-
546-## Audio
547-
548-### sound_load
... [8 more lines]

473-### font_unload
474-
475-`font_unload(name)`
476-
477-Unloads a registered font.
478-
479-```lua
480-font_unload("title")
481-```
482-
483:### font_get_height
484-
485:`font_get_height(name) -> number`
486-
487-Returns the font's line height.
488-
489-```lua
490:local line_height = font_get_height("main")
491-```
492-
493:### font_get_text_width
494-
495:`font_get_text_width(name, text) -> number`
496-
497-Returns the width of a text string in pixels.
498-
499-```lua
500:local width = font_get_text_width("main", "Hello World")
501-```
502-
... [18 more lines]

The user wants me to:

1. Use colors already defined at the top of the file (like `white`, `yellow`, etc.) instead of creating new color objects
2. Follow the same pattern as emoji_text — each character should be a full object child via `flow_to`

Let me revise:

```yuescript
class status_text extends object
  new: (@x, @y, text, args={}) =>
    super!
    @font = args.font or 'lana'
    @layer = args.layer or effects
    @progress = 0
    @base_color = args.base_color or white
    @fill_color = args.fill_color or yellow


```

Now I'm calculating the total text width for centering, then iterating through each character to compute its position and advance width, creating individual character objects with their codepoint, base position, and a random shake phase for animation.

Setting up the character animation logic...

I'm realizing the stencil approach needs a specific draw order: render all characters in base color first, then set up the stencil mask, draw them again in the fill color, and finally clear the stencil state.

```
character_object\action (dt) =>
  @shake_phase += dt
  parent = @parent
  left = parent.x - parent.total_width/2
  x = left + @base_x + math.sin(@shake_phase*8)*0.5
  y = parent.y + math.cos(@shake_phase*6)*0.5
```

The problem is that if each character object draws independently in its own action, I can't batch them for the two-pass stencil effect. I need to rethink this: either have the parent handle all drawing while children just update their shake data, or abandon the child object approach for rendering and use them only for state management.

The user wants this pattern for extensibility and to use modules on each character, and they referenced emoji_text where each character draws itself. But the stencil approach fundamentally requires coordinating all character draws together. I'm considering an alternative: instead of stencil masking, I could color each character based on whether its x position falls within the fill progress boundary—since it's a left-to-right fill, I just check each character against the progress line.

This would be simpler and per-character, avoiding the coordination problem. For characters on the boundary, I could even interpolate between base and fill colors for a smoother transition. But the user specifically chose the stencil option, so I need to figure out how to make that work with the character-draws-itself pattern. Let me trace through the execution order to see if there's a way to do a two-pass render where characters draw themselves first, then the parent applies the stencil mask.

Looking at the framework's update cycle, within the _update phase the parent's update runs first, then its actions, then it recurses into children—so the parent could theoretically set up a stencil pass before children render themselves.

But I'm realizing the cleaner approach might be to keep characters as child objects but have each one just update its shake phase during its action, while the parent handles all the drawing in a single late_update or late_action pass that iterates through children with stencil wrapping—this way all shake states are finalized before rendering happens.

Now I need to figure out how to access and iterate over child objects in this framework.

14:      @children - array of child objects
21:    @children = {}
33:      - Appends child to @children array
40:      - Adding same child twice: child appears twice in @children, both get killed
46:    @children[] = child
73:    for i = #@children, 1, -1
74:      stack[] = @children[i]
81:      for i = #node.children, 1, -1
82:        stack[] = node.children[i]
90:      @\kill 'enemy'         -- kill all descendants with 'enemy' tag (and their children)
94:      - Sets dead = true on ALL descendants (children never outlive parents)
435:      3. Removes dead children from tree (iterates in reverse for children-first destroy order)
438:         - Removes from parent.children array
442:      - Destroy is called children-first (deepest nodes first) for proper resource cleanup order
475:    -- Remove dead children
479:      while j <= #parent.children
480:        child = parent.children[j]
500:          table.remove parent.children, j

[Showing results with pagination = limit: 20, offset: 0]

The user wants the status_text to:

1. Follow the ball at an offset (so the ball reference is passed in, and the text tracks it)
2. Be slightly angled (rotated a bit)

For the angle, we can use `layer_draw_glyph`'s rotation parameter, but that rotates each individual glyph. To angle the whole text, we'd need to either:

- Use a push/pop transform on the layer to rotate the entire group
- Compute each character's position along an angled line

Using push/pop is cleaner. The parent could push a transform for the angle, then children draw within that space. But children draw in their own actions, independently...


Actually, I could have the parent push a transform in early_action (which runs before children's actions) and pop it in late_action (which runs after children's actions). That way all the children's draws happen within the rotated transform space. Let me verify the execution order to make sure this works correctly.

Looking at how the object framework sequences things: parent update runs first, then parent actions, then children go through their full _update cycle, then parent late_update and late_actions run. So if I push the transform during the parent's action phase and pop it during late_action, the children's draws should all happen in between. But I need to double-check whether late_action actually runs after all children finish, or if there's a different phase ordering I'm missing. Within the parent's _update call, the children's _update runs, but once they finish, the parent's _update returns and there's no hook to run code after children but before returning. So I need a different approach.

The cleanest solution is to have each character compute its rotated position based on the parent's angle rather than relying on push/pop transforms. Each character knows its offset along the text line, and I can rotate that offset around the text center to get its world position. This way the parent just stores the angle and each character handles its own positioning math.

Calculating rotated character positions... I'm settling on a simpler approach: the status_text object holds a reference to its target (the ball) and stores offset values, then reads the target's position each frame rather than requiring the caller to update coordinates manually.

Defining the class structure... Still writing character animation...

I'm noticing the parent position gets recalculated in every character's update, which is wasteful. I should move that logic to a single parent update method instead of repeating it across all children each frame.

Now I'm realizing the glyph positioning might be off — `layer_draw_glyph` likely draws from the top-left corner like `layer_draw_text` does, not from the center, so I need to adjust how I'm calculating the rotated positions.

I'll use `@base_x` as the left edge offset and compute each character's position relative to the text's center point, then apply rotation and any shake effects around the parent's anchor. For the fill progress check, I'll compare the character's normalized position within the total width against the parent's progress value.

Writing the final implementation...

The user is saying that the status_text itself will be a child of something (like the ball or effects container), and can access its parent directly. So instead of storing a target reference, it can just read `@parent.x` + offset.

Wait, but the status_text is added to the effects container (`@parent.effects\add status_text ...`), not to the ball. So `@parent` would be the effects container, not the ball.

Hmm, unless the user means something different. Let me think...

Actually, maybe the user is suggesting that instead of adding the status_text to effects, we should add it directly to the ball as a child. Then `@parent` would be the ball, and the status_text can read the ball's position directly.


So the ball creates the status_text as a direct child and stores the reference, then in the status_text's update loop it just reads the parent's position and applies the offset — much cleaner than maintaining a separate target reference.

The user is saying that `super` takes a name argument, and when the object is added to a parent via `add` or `flow_to`, the parent gets an attribute with that name pointing to the child. So if we do:

```yuescript
class status_text extends object
  new: (@x, @y, text, args={}) =>
    super 'thrust_text'
```

Then when `thrust_text\flow_to ball`, the ball automatically gets `ball.thrust_text = thrust_text_instance`. That means we don't need to manually store the reference — it's automatic.

Let me verify this by checking the framework code for how `add` handles named objects.

20→    @parent = nil
    21→    @children = {}
    22→    @dead = false
    23→    @tags = {}
    24→
    25→  --[[
    26→    Adds a child to this object's tree.
    27→
    28→    Usage:
    29→      @\add child
    30→      @\add(object 'timer')\add(object 'collider')  -- chainable
    31→
    32→    Behavior:
    33→      - Appends child to @children array
    34→      - Sets child.parent = @
    35→      - If child has a name: creates @[child.name] = child (parent can access child by name)
    36→      - If parent has a name: creates child[@name] = @ (child can access parent by name)
    37→      - If a child with the same name already exists, kills the old child first (replacement)
    38→
    39→    Edge cases:
    40→      - Adding same child twice: child appears twice in @children, both get killed
    41→      - Adding child that has another parent: child ends up in two parents' arrays (avoid this)
    42→
    43→    Returns: @ (for chaining)
    44→  ]]
    45→  add: (child) =>
    46→    @children[] = child
    47→    child.parent = @
    48→    if child.name
    49→      @[child.name]\kill! if @[child.name]
... [5 more lines]

2440→
  2441→-- Status text: floating text for status messages like "+1 DMG"
  2442→class emoji_text extends object
  2443→  new: (@x, @y, text, args={}) =>
  2444→    super!

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1542-

1543-    -- After hit stop, begin the actual lunge

1544-    @timer\after 0.01, 'thrust_start', ->

1545:      @thrusting = true

1546-      @thrust_hit_this_thrust = false

1547-      @thrust_progress = 0

1548-      vx, vy = @collider\get_velocity!

1544→    @timer\after 0.01, 'thrust_start', ->
  1545→      @thrusting = true
  1546→      @thrust_hit_this_thrust = false
  1547→      @thrust_progress = 0
  1548→      vx, vy = @collider\get_velocity!
  1549→      @thrust_start_speed = math.length(vx, vy)
  1550→      @thrust_end_speed = math.max(400, @thrust_start_speed + @thrust_speed)
  1551→      @collider\set_gravity_scale 0
  1552→      @collider\set_bullet true
  1553→
  1554→      -- End thrust after duration
  1555→      @timer\after @thrust_duration, 'thrust_end', -> @\thrust_end!
  1556→
  1557→  -- End thrust: restore normal state
  1558→  thrust_end: =>

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1309→      flame.velocity_height_scale = 1.6/(1 + math.exp(-(speed - 1.73)))
  1310→
  1311→    -- During thrust, override velocity each frame (starts at current speed, accelerates)
  1312→    if @thrusting
  1313→      @thrust_progress = math.min(1, @thrust_progress + dt/@thrust_duration)
  1314→      speed = math.lerp(math.quad_out(@thrust_progress), @thrust_start_speed, @thrust_end_speed)
  1315→      @collider\set_velocity speed*math.cos(@thrust_angle), speed*math.sin(@thrust_angle)
  1316→

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1559→  -- End thrust: restore normal state
  1560→  thrust_end: =>
  1561→    return unless @thrusting
  1562→    @thrusting = false
  1563→    @timer\cancel 'thrust_end'
  1564→    @collider\set_fixed_rotation false
  1565→    @collider\set_gravity_scale 1
  1566→    @collider\set_bullet false
  1567→    @collider\set_angular_velocity @pre_thrust_angular_sign*@base_angular_velocity
  1568→    @time_above_base = 0
  1569→    @time_below_base = 0
  1570→    @timer\after @thrust_cooldown, 'thrust_cooldown', -> @thrust_ready = true
  1571→
  1572→  flash_ball: (duration=0.15) =>
  1573→    @ball_flashing = true

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1554:      (status_text 'thrust_text', 0, 0, "thrusting", {offset_y: -20, angle: -0.1})\flow_to @

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

2478→        y = parent.y + local_x*math.sin(parent.angle) + math.cos(@shake_phase*6)*0.5
  2479→        char_center = (@base_x + @advance/2)/parent.total_width
  2480→        c = char_center <= parent.progress and parent.fill_color or parent.base_color
  2481→        layer_draw_glyph parent.layer.handle, @codepoint, parent.font, x, y, parent.angle, 1, 1, c!
  2482→      character_object\flow_to @

2483→
  2484→  update: (dt) =>
  2485→    @x = @parent.x + @offset_x
  2486→    @y = @parent.y + @offset_y
  2487→

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1552→      @collider\set_gravity_scale 0
  1553→      @collider\set_bullet true
  1554→      (status_text 'thrust_text', 0, 0, "thrusting", {font: 'fat', offset_y: -20, angle: -0.1})\flow_to @
  1555→
  1556→      -- End thrust after duration

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

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107:an\is_pressed(action) -> bool

110:an\any_pressed() -> bool

111:an\get_pressed_action() -> string | nil

118:an\key_is_down(key) -> bool

119:an\key_is_pressed(key) -> bool

120:an\key_is_released(key) -> bool

122:an\mouse_is_pressed(button) -> bool

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261:class arena extends object

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860:  update: (dt) =>

1221:  update: (dt) =>

1610:  update: (dt) =>

1648:  update: (dt) =>

1768:  update: (dt) =>

1887:  update: (dt) =>

1925:  update: (dt) =>

1964:  update: (dt) =>

1980:  update: (dt) =>

2007:  update: (dt) =>

2117:  update: (dt) =>

2239:  update: (dt) =>

2267:  update: (dt) =>

2302:  update: (dt) =>

2322:  update: (dt) =>

2367:  update: (dt) =>

2425:  update: (dt) =>

2484:  update: (dt) =>

2540:  update: (dt) =>

2592:  update: (dt) =>

2721:  update: (dt) =>

2751:  update: =>

860→  update: (dt) =>
   861→    @time_since_last_hit += dt
   862→
   863→  -- Returns 0-1 probability based on time since last hit
   864→  -- Uses remap + quint_out: 0 below 0.5, ramps quickly above
   865→  get_hit_stop_probability: =>
   866→    t = math.clamp(@time_since_last_hit/1.5, 0, 1)
   867→    if t < 0.5
   868→      0
   869→    else
   870→      math.quint_out(math.remap(t, 0.5, 1, 0, 1))
   871→
   872→  hit_effect: (x, y, multiplier=1.0) =>
   873→    probability = @\get_hit_stop_probability!
   874→    hit_effect_chance = 35 + 65*probability  -- 35% at rapid hits, 100% at fresh hit

261→class arena extends object
   262→  new: =>
   263→    super 'arena'
   264→
   265→    @\add object 'effects'
   266→    @\add object 'projectiles'
   267→    @\add timer!
   268→
   269→    -- Play area dimensions (200x200, centered)
   270→    @w, @h = 200, 200
   271→    @x = (gw - @w)/2
   272→    @y = (gh - @h)/2
   273→    wall_thickness = 200
   274→
   275→    -- Create walls as children (top, bottom/floor, left, right)
   276→    -- Create walls as children (top, bottom/floor, left, right)
   277→    -- Floor is only arena width; side walls extend down to cover the rest
   278→    @\add wall @x + @w/2, @y - wall_thickness/2, @w + wall_thickness*2, wall_thickness
   279→    @\add wall @x + @w/2, @y + @h + wall_thickness/2, @w, wall_thickness, nil, true
   280→    @\add wall @x - wall_thickness/2, @y + @h/2 + wall_thickness/2, wall_thickness, @h + wall_thickness

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

E:\a327ex\Anchor\framework\anchor\shake.yue:7:    an.camera\add shake!
E:\a327ex\Anchor\framework\anchor\shake.yue:16:class shake extends object
E:\a327ex\Anchor\framework\anchor\shake.yue:21:      an.camera\add shake!

1→global *
     2→
     3→--[[
     4→  Shake child object for camera shake effects.
     5→
     6→  Usage:
     7→    an.camera\add shake!
     8→    an.camera.shake\trauma 0.5, 0.3
     9→
    10→  Shake is added as a child of camera. It implements get_transform() which
    11→  camera calls to collect effects from all children.
    12→
    13→  Shake types:
    14→    trauma - Perlin noise based, accumulates and decays
    15→]]
    16→class shake extends object
    17→  --[[
    18→    Creates a new shake container.
    19→
    20→    Usage:
    21→      an.camera\add shake!
    22→
    23→    Behavior:
    24→      - Automatically named 'shake' and accessible as parent.shake
    25→      - Initializes trauma system
    26→  ]]
    27→  new: (name='shake') =>
    28→    super name
    29→    @trauma_instances = {}
    30→    @trauma_amplitude = {x: 24, y: 24, rotation: 0.2, zoom: 0.2}
... [310 more lines]

The shake module has a `shake` method (line 104) that gives random jittery displacement with configurable frequency. This is perfect for continuous jerky shake. But the issue is that shake is designed as a camera child with `get_transform` — it returns offsets that the camera uses.

For our character objects, we'd need to add a shake module to each character object, then read the shake's transform to offset the character position. But shake is designed to be added to camera specifically...

Actually, looking at the code, shake extends object and can be added to anything via `\add`. The `get_transform` returns `{x, y, rotation, zoom}`. So we could:


1. Add a shake module to each character object
2. Each frame, call `shake\get_transform!` to get the x, y offsets
3. Apply those offsets to the character position

Since shake is added as a child of the character object via `\add`, its early_update will run automatically as part of the character's update cycle. Then in the character's action, I can read the shake's transform and apply those offsets to the character's position.

Now I'm thinking about whether to use the decay-based shake that requires continuous re-adding, or go with handcam for smooth Perlin noise-based movement. Actually, a simpler approach might be to just add a timer to each character that periodically generates a new random offset, since they're full objects anyway. I think the cleanest approach is to use a timer that updates random offsets at a fixed interval—this gives that snappy, jerky movement where the character jumps between positions rather than smoothly transitioning. I'd set up the timer to pick new random shake values every 80 milliseconds or so, then apply those offsets directly in the action instead of calculating them with sine and cosine. This demonstrates the benefit of using objects with their own timers and keeps the code straightforward.

But the user mentioned we could use the shake module instead. Let me reconsider—I can add a shake component to the character object and configure it with an appropriate duration and frequency so it produces that jerky effect without decaying noticeably over the short text display time. Then I'd read the transform from the shake component and apply those offsets to the character's position.

Implementing shake module integration... I need to verify that adding a shake child won't conflict with the character object's existing properties, then implement it by attaching the shake module and configuring its parameters in the action code.

In the action handler, I'm retrieving the shake transform to apply the jitter effect, then using those offset values when calculating the character's screen position and drawing it with the appropriate color based on progress.

2453→  new: (name, @x, @y, text, args={}) =>
  2454→    super name
  2455→    @font = args.font or 'lana'
  2456→    @layer = args.layer or effects
  2457→    @progress = 0
  2458→    @base_color = args.base_color or white
  2459→    @fill_color = args.fill_color or yellow
  2460→    @angle = args.angle or 0
  2461→    @offset_x = args.offset_x or 0
  2462→    @offset_y = args.offset_y or 0
  2463→    @total_width = font_get_text_width @font, text
  2464→
  2465→    cursor_x = 0
  2466→    for i = 1, #text
  2467→      char = text\sub(i, i)
  2468→      codepoint = string.byte(char)
  2469→      advance = font_get_char_width @font, codepoint
  2470→      base_x = cursor_x
  2471→      cursor_x += advance
  2472→
  2473→      character_object = object!
  2474→      character_object\set {
  2475→        codepoint: codepoint
  2476→        base_x: base_x
  2477→        advance: advance
  2478→        shake_phase: an.random\float 0, math.pi*2
  2479→      }
  2480→      character_object\action (dt) =>
  2481→        @shake_phase += dt
  2482→        parent = @parent
... [5 more lines]

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

2473→      character_object = object!
  2474→      character_object\set {
  2475→        codepoint: codepoint
  2476→        base_x: base_x
  2477→        advance: advance
  2478→      }
  2479→      character_object\add shake!
  2480→      character_object.shake\shake 1, 100, 60 
  2481→      character_object\action (dt) =>
  2482→        parent = @parent
  2483→        t = @shake\get_transform!
  2484→        local_x = @base_x - parent.total_width/2
  2485→        x = parent.x + local_x*math.cos(parent.angle) + t.x
  2486→        y = parent.y + local_x*math.sin(parent.angle) + t.y
  2487→        char_center = (@base_x + @advance/2)/parent.total_width
  2488→        c = char_center <= parent.progress and parent.fill_color or parent.base_color
  2489→        layer_draw_glyph parent.layer.handle, @codepoint, parent.font, x, y, parent.angle, 1, 1, c!
  2490→      character_object\flow_to @
  2491→
  2492→  update: (dt) =>
  2493→
  2494→
  2495→
  2496→-- Emoji text: floating text for status messages like "+1 DMG"
  2497→class emoji_text extends object

373-    Internal: runs early phase for this object.
374-    Called by init.yue's update loop, not meant to be called directly.
375-
376-    Behavior:
377-      - Returns immediately if @dead
378-      - Calls @\early_update(dt) if object has an early_update method
379-      - Runs all early_actions, marking those that return true for removal
380-  ]]
381:  _early_update: (dt) =>
382-    return if @dead
383-    @\early_update dt if @early_update
384-    if @early_actions
385-      for i, fn in ipairs @early_actions
386-        if fn(@, dt) == true
387-          @early_actions_to_remove = {} unless @early_actions_to_remove
388-          @early_actions_to_remove[] = i
389-

390→  --[[
   391→    Internal: runs main phase for this object.
   392→    Called by init.yue's update loop, not meant to be called directly.
   393→
   394→    Behavior:
   395→      - Returns immediately if @dead
   396→      - Calls @\update(dt) if object has an update method
   397→      - Runs all actions, marking those that return true for removal
   398→  ]]
   399→  _update: (dt) =>
   400→    return if @dead
   401→    @\update dt if @update
   402→    if @actions
   403→      for i, fn in ipairs @actions
   404→        if fn(@, dt) == true
   405→          @actions_to_remove = {} unless @actions_to_remove
   406→          @actions_to_remove[] = i
   407→
   408→  --[[
   409→    Internal: runs late phase for this object.
   410→    Called by init.yue's update loop, not meant to be called directly.
   411→
   412→    Behavior:
   413→      - Returns immediately if @dead
   414→      - Calls @\late_update(dt) if object has a late_update method
   415→      - Runs all late_actions, marking those that return true for removal
   416→  ]]
   417→  _late_update: (dt) =>
   418→    return if @dead
   419→    @\late_update dt if @late_update
... [10 more lines]

1461-    Behavior:
1462-      1. Attaches camera transforms to layers
1463-      2. Collects an + all descendants into a flat array
1464:      3. Runs early phase (_early_update) on all objects
1465:      4. Runs main phase (_update) on all objects
1466:      5. Runs late phase (_late_update) on all objects
1467-      6. Runs cleanup to remove dead objects and finished actions
1468-      7. Detaches camera transforms from layers
1469-  
--
1499-    all_objects[] = obj for obj in *an\all!
1500-
1501-    -- Early phase (uses per-object dt based on hitstop exclusion)
1502:    obj\_early_update an\get_dt_for(obj) for obj in *all_objects
1503-    -- Main phase
1504:    obj\_update an\get_dt_for(obj) for obj in *all_objects
1505-    -- Late phase
1506:    obj\_late_update an\get_dt_for(obj) for obj in *all_objects
1507-    an\cleanup!
1508-  
1509-    -- Detach camera transforms after all drawing is done

55-  --[[
56-    Returns all descendants of this object, optionally filtered by tag.
57-
58-    Usage:
59-      all_objects = @\all!           -- all descendants
60-      enemies = @\all 'enemy'        -- only descendants with 'enemy' tag
61-
62-    Behavior:
63-      - Uses iterative DFS (depth-first search), left-to-right order
64-      - Does NOT include self, only descendants
65-      - Returns ALL descendants including dead ones (dead check is caller's responsibility)
66-      - When tag provided, only returns objects where obj.tags[tag] is truthy
67-
68-    Returns: array of objects
69-  ]]
70:  all: (tag) =>
71-    nodes = {}
72-    stack = {}
73-    for i = #@children, 1, -1
74-      stack[] = @children[i]
75-    while #stack > 0
76-      node = table.remove stack
77-      if tag
78-        nodes[] = node if node.tags[tag]
79-      else
80-        nodes[] = node
81-      for i = #node.children, 1, -1
82-        stack[] = node.children[i]
83-    nodes
84-
... [1 more lines]

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user wants:

1. The stencil mask rectangle to be rotated by the angle (so the fill sweeps along the angled text, not horizontally)
2. A scale parameter for the entire text

For the stencil rectangle rotation: I need to use a push/pop to rotate the rectangle by `@angle` around the text center before drawing it as the stencil mask.

For scale: I need to add a `@scale` property, and apply it to the glyph drawing. The `layer_draw_glyph` takes `r, sx, sy` parameters, so I can pass `@scale` there. But also the character positions need to be scaled — the `local_x` offset from center should be multiplied by scale.


The best approach is to use push/pop on the layer to apply both rotation and scale transformations around the text center, then draw everything in local coordinates. This way the glyph positions and the stencil rectangle all transform together, and I just need to make sure the children are computing their positions relative to that center point. Let me rethink. Currently children compute world-space positions. If instead they compute local positions (relative to text center), the parent can do:

1. push(center_x, center_y, angle, scale, scale)
2. draw all glyphs at local positions
3. stencil stuff also in local space
4. pop

This is cleaner. Children store local offsets + shake, parent transforms everything.

Let me revise:

Children action:
```yuescript
character_object\action (dt) =>
  t = @shake\get_transform!
  @draw_x = @base_x - @parent.total_width/2 + t.x
  @draw_y = t.y
```

Parent late_update:
```yuescript
late_update: (dt) =>
  @layer\push @x, @y, @angle, @scale, @scale
```

Now I'm setting up two rendering passes: first drawing all the glyphs with the base color, then using a stencil mask to draw a fill effect that progresses based on the animation state, clipping it to the text bounds. I'm confident the transform stack will apply correctly since `layer_draw_glyph` receives the layer handle directly, and the push/pop operations modify that same handle's transform state. Let me go ahead and implement this approach.

2451→-- Status text: font-based text with per-character shake and progress fill
  2452→class status_text extends object
  2453→  new: (name, @x, @y, text, args={}) =>
  2454→    super name
  2455→    @font = args.font or 'lana'
  2456→    @layer = args.layer or effects
  2457→    @progress = 0
  2458→    @base_color = args.base_color or white
  2459→    @fill_color = args.fill_color or yellow
  2460→    @angle = args.angle or 0
  2461→    @offset_x = args.offset_x or 0
  2462→    @offset_y = args.offset_y or 0
  2463→    @total_width = font_get_text_width @font, text
  2464→
  2465→    cursor_x = 0
  2466→    for i = 1, #text
  2467→      char = text\sub(i, i)
  2468→      codepoint = string.byte(char)
  2469→      advance = font_get_char_width @font, codepoint
  2470→      base_x = cursor_x
  2471→      cursor_x += advance
  2472→
  2473→      character_object = object!
  2474→      character_object\set {
  2475→        codepoint: codepoint
  2476→        base_x: base_x
  2477→        advance: advance
  2478→        draw_x: 0
  2479→        draw_y: 0
  2480→      }
... [15 more lines]

2495→      layer_draw_glyph @layer.handle, child.codepoint, @font, child.draw_x, child.draw_y, @angle, 1, 1, @base_color!
  2496→
  2497→    -- Pass 2: draw filled portion using stencil
  2498→    if @progress > 0
  2499→      left = @x - @total_width/2
  2500→      fill_w = @progress*@total_width
  2501→      font_height = font_get_height @font
  2502→      @layer\stencil_mask!
  2503→      @layer\rectangle left, @y - font_height, fill_w, font_height*2, white!
  2504→      @layer\stencil_test!
  2505→      for child in *@children
  2506→        continue unless child.codepoint
  2507→        layer_draw_glyph @layer.handle, child.codepoint, @font, child.draw_x, child.draw_y, @angle, 1, 1, @fill_color!
  2508→      @layer\stencil_off!
  2509→

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

<tool_use_error>File has been modified since read, either by the user or by a linter. Read it again before attempting to write it.</tool_use_error>

2482-      }

2483:      character_object\add shake!

2484-      character_object.shake\shake 1, 100, 16

2483→      character_object\add shake!
  2484→      character_object.shake\shake 1, 100, 16

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user noticed that all characters are moving the same way. Looking at the handcam implementation, it uses `@handcam_time` which starts at 0 for all of them. The Perlin noise `noise(t, 0)` would give the same value for the same time input. So all characters shake in sync.

To make them different, each character's shake needs a different time offset. I could initialize `handcam_time` to a random value for each character's shake object.

<tool_use_error>File has been modified since read, either by the user or by a linter. Read it again before attempting to write it.</tool_use_error>

2483→      character_object\add shake!
  2484→      character_object.shake\handcam true, {x: 2, y: 0, rotation: 0}, 8

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The sine shake from the shake module decays over time, so it's not continuous. Let me check the API again...

```yuescript
shake\sine angle, amplitude, frequency, duration
```

It decays linearly over duration. For continuous use, we'd need a very long duration like the shake hack.

Or... since each character is a full object, we could just do the sine manually in the action using a time offset. But the user specifically wants to use the shake module.

Let me just use sine with a very long duration.

Actually, the issue is that sine gives oscillation along a direction. For side-to-side only, angle would be 0 (rightward). Each character would need a different phase offset. 

The sine shake doesn't have a phase parameter — it relies on `instance.time` starting at 0, so every character would oscillate in sync. I could randomize the initial time like I did with handcam, but the sine instances are stored in an array rather than as individual properties. Looking at how the sine implementation works, it creates instances with a time field that increments during the transform calculation.

I could set `instance.time` to a random value right after creating the sine instance to offset when each character's oscillation begins. The tricky part is that with the decay formula, a random starting time would affect both the phase and the amplitude envelope, so I need to think through what values would actually look natural.

Actually, if I keep the duration at 100 and randomize the starting time between 0-10, the decay stays between 0.9 and 1.0, which should work fine for a 5-second text effect. Let me just test this approach.

<tool_use_error>File has been modified since read, either by the user or by a linter. Read it again before attempting to write it.</tool_use_error>

2483→      character_object\add shake!
  2484→      character_object.shake\handcam true, {x: 4, y: 0, rotation: 0}, 8
  2485→      character_object.shake.handcam_time = an.random\float 0, 100

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

2495→    -- Pass 1: draw all characters in base color
  2496→    for child in *@children
  2497→      continue unless child.codepoint
  2498→      layer_draw_glyph @layer.handle, child.codepoint, @font, child.draw_x, child.draw_y, 0, 1, 1, @base_color!
  2499→
  2500→    -- Pass 2: draw filled portion using stencil
  2501→    if @progress > 0
  2502→      fill_w = @progress*@total_width
  2503→      @layer\stencil_mask!
  2504→      @layer\rectangle -@total_width/2, -@font_height/2, fill_w, @font_height*2, white!
  2505→      @layer\stencil_test!
  2506→      for child in *@children
  2507→        continue unless child.codepoint
  2508→        layer_draw_glyph @layer.handle, child.codepoint, @font, child.draw_x, child.draw_y, 0, 1, 1, @fill_color!
  2509→      @layer\stencil_off!
  2510→
  2511→    @layer\pop!
  2512→
  2513→
  2514→

2455→    @font = args.font or 'lana'
  2456→    @layer = args.layer or effects
  2457→    @progress = 0
  2458→    @base_color = args.base_color or white
  2459→    @fill_color = args.fill_color or yellow

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated. All occurrences of ''charging'' were successfully replaced with ''channeling''.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated. All occurrences of ''depleting'' were successfully replaced with ''using''.

1561:      -- (status_text 'thrust_text', @x, @y - 20, "thrusting", {font: 'fat', angle: -0.1})\flow_to @

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1323:      @thrust_text.progress = @thrust_progress if @thrust_text

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

Let me think about this. In 'using' mode, the fill should start full and deplete from right to left. So the filled area should shrink from the right side — the right edge moves left.

Currently I have:
```
fill_x = if @mode == 'using' then @total_width/2 - fill_w else -@total_width/2
```

With progress going from 1→0:

- At progress=1: fill_w = total_width, fill_x = total_width/2 - total_width = -total_width/2 (full coverage, correct)
- At progress=0.5: fill_w = 0.5*total_width, fill_x = total_width/2 - 0.5*total_width = 0 (right half only)


- At progress=0: fill_w = 0, fill_x = total_width/2 (empty)

Wait, I'm seeing the issue now — I'm keeping the right side filled and removing from the left, but for "using" mode I actually want the left side to stay filled while the right edge shrinks inward. The rectangle should always anchor at the left edge and just decrease in width as progress depletes. That means both modes would use the same x position, but the real difference is in how the width changes: channeling grows the fill from left to right, while using shrinks it from right to left. etes right to left (progress 1→0, rectangle shrinks from right)

If fill_x is always -total_width/2 and width is progress*total_width, then:

- Channeling with progress 0→1: rectangle grows from left edge rightward ✓
- Using with progress 1→0: rectangle shrinks — right edge moves leftward ✓

So actually both modes should use the same fill_x! The difference is just in how the caller changes progress (0→1 vs 1→0).

But then what was the point of having two modes? If the modes are just about progress direction, the caller already handles that. 

Maybe the modes should be about the visual direction regardless of progress direction. So both modes have progress going 0→1, but channeling grows the rectangle from the left while using shrinks it from the right. For using mode specifically, I'd set the fill width to (1 - progress)*total_width and keep fill_x at -total_width/2, so at progress=0 the text is fully colored and at progress=1 it's fully base color. The caller would then pass thrust_progress directly as progress, and the using mode automatically depletes the fill from right to left.

2500→
  2501→    -- Pass 2: draw filled portion using stencil
  2502→    if @progress > 0
  2503→      fill_w = @progress*@total_width
  2504→      fill_x = if @mode == 'using' then @total_width/2 - fill_w else -@total_width/2
  2505→      @layer\stencil_mask!
  2506→      @layer\rectangle fill_x, -@font_height/2, fill_w, @font_height*2, white!
  2507→      @layer\stencil_test!
  2508→      for child in *@children
  2509→        continue unless child.codepoint

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

2501→    -- Pass 2: draw filled portion using stencil
  2502→    fill_amount = if @mode == 'using' then 1 - @progress else @progress
  2503→    if fill_amount > 0
  2504→      fill_w = fill_amount*@total_width
  2505→      @layer\stencil_mask!
  2506→      @layer\rectangle fill_x, -@font_height/2, fill_w, @font_height*2, white!
  2507→      @layer\stencil_test!
  2508→      for child in *@children

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user wants a death effect for status_text where each character becomes independent and floats up, scales down, and rotates randomly.

Let me think about how to implement this. When the status_text is killed (e.g., thrust_end calls `@thrust_text\kill!`), we need each character to:

1. Detach from the coordinated parent drawing
2. Float upward
3. Scale down to 0
4. Rotate randomly

Since killing the parent kills all children, we can't just kill the parent. Instead, we need a "die" method that:

1. Stops the parent from drawing (no more late_update stencil passes)
2. Each character becomes self-drawing with its own timer/tween for the death animation


3. Once all characters finish animating, the parent object itself gets destroyed

Or I could spawn independent visual objects at each character's current position and then kill the parent, letting those spawned objects handle the death animation on their own. I should check how damage_number and emoji_text handle their death sequences to see what pattern makes sense here.

2407:class damage_number extends object

2407→class damage_number extends object
  2408→  new: (@x, @y, amount, args={}) =>
  2409→    super!
  2410→    @vy = args.vy or -24
  2411→    @duration_multiplier = args.duration_multiplier or 1
  2412→    @scale = 12/512
  2413→    @\add spring!
  2414→    @spring\pull 'main', 0.5, 3, 0.7
  2415→
  2416→    -- Create character data for each digit
  2417→    @characters = {}
  2418→    text = tostring amount
  2419→    for i = 1, #text
  2420→      digit = text\sub i, i
  2421→      @characters[] = {
  2422→        image: an.images[digit]
  2423→        rotation: an.random\float -math.pi/16, math.pi/16
  2424→        angular_speed: an.random\float -math.pi/4, math.pi/4
  2425→        offset_y: 0
  2426→      }
  2427→
  2428→    @\add timer!
  2429→    @timer\after 0.25*@duration_multiplier, ->
  2430→      @timer\tween 0.75*@duration_multiplier, @, {scale: 0}, math.cubic_in_out, -> @\kill!
  2431→
  2432→  update: (dt) =>
  2433→    -- Update character wobble
  2434→    for i, character in ipairs @characters
  2435→      character.rotation += character.angular_speed*dt
  2436→      character.offset_y = 4*math.sin(an.time + i)
... [5 more lines]

2515→
  2516→
  2517→-- Emoji text: floating text for status messages like "+1 DMG"
  2518→class emoji_text extends object
  2519→  new: (@x, @y, text, args={}) =>
  2520→    super!
  2521→    @vy = args.vy or -24
  2522→    @duration_multiplier = args.duration_multiplier or 1
  2523→    @scale_multiplier = args.scale_multiplier or 1
  2524→    @base_scale = 12/512
  2525→    @scale = @base_scale*@scale_multiplier
  2526→    @char_count = #text
  2527→    @\add spring!
  2528→    @spring\pull 'main', 0.5, 4, 0.6
  2529→
  2530→    seen_space = false
  2531→    for i = 1, #text
  2532→      char = text\sub(i, i)\lower!
  2533→      if char == ' '
  2534→        seen_space = true
  2535→        continue
  2536→      image_name = char == '+' and 'plus' or char
  2537→      character_object = object!
  2538→      character_object\set {
  2539→        image: an.images[image_name]
  2540→        rotation: an.random\float -math.pi/16, math.pi/16
  2541→        angular_speed: an.random\float -math.pi/4, math.pi/4
  2542→        offset_y: 0
  2543→        layer: char == '+' and effects or recolor_blue
  2544→        tint: char == '+' and white! or nil
... [20 more lines]

I see. The damage_number and emoji_text both do: wait 0.25s, then tween scale to 0 over 0.75s, then kill.

For status_text, the death should happen when `kill` is called externally (e.g., from thrust_end). At that point, each character should become independent and do its own death animation.

The approach: instead of calling `\kill!` directly, we add a `die` method that:

1. Sets a `@dying` flag so `late_update` stops drawing the stencil pass
2. Each character child gets a timer and transitions to self-drawing mode (with its own float-up, scale-down, rotation animation)


3. When all characters finish their animations, the parent dies

Actually, I think the cleaner approach is to spawn independent glyph effect objects at each character's world position in the effects container, then kill the status_text immediately. The glyph effects handle their own animations, and I just need to compute world positions from each child's local draw coordinates using the parent's transform.

So the `die` method needs to iterate through each character child, calculate its world position accounting for the parent's position, angle, and scale, spawn a visual effect object with that glyph at that location, and then remove the status_text. Each effect object will manage its own float-up, scale-down, and rotation animation using a timer.

Writing the die method...

Actually, I'm reconsidering this approach—spawning new effect objects might be overcomplicating things. What if I keep the character children in place but switch them to self-drawing mode when the parent dies? I'd set a dying flag, have `late_update` skip the stencil rendering, let each child handle its own death animation with a timer, and then kill the parent once all animations complete.

The tricky part is that the children currently rely on the parent to draw them, so I need to modify their action to handle both modes—computing local coordinates when alive and drawing themselves with world position, scale, rotation, and alpha when dying.

Writing the character action logic... I'm seeing the issue—storing world positions and managing the death animation in the action callback is getting tangled. Let me refactor by adding a dedicated `die` method that sets up each character's death state upfront: it marks the parent as dying, computes world positions for all characters, and attaches tweens to animate their scale to zero, while the action callback just handles the different drawing logic when the parent is in that state.

Implementing the die method... Writing character animation logic...

The approach of checking if all characters are dead in each callback is O(n) per character, but that's acceptable for a small set like 9 characters. I'm also verifying that the timer module works correctly when added as a child—it should integrate fine since character objects are full objects that get updated by the framework. This implementation should work.

The user is pointing out that `child.timer\tween 0.5, child, {death_scale: 0}, math.cubic_in, -> @\kill!` — the `@\kill!` here... wait, what does `@` refer to in that callback?

In YueScript, the fat arrow `->` doesn't bind `@`. So `@` in that callback would refer to... hmm, actually in YueScript `->` creates a plain function, so `@` would be whatever the calling context is. But `timer\tween` calls the callback, so `@` would be the timer's context? No, actually in Lua closures, `self` is determined by how the function is called.


Actually, I need to think through the scoping here. The fat arrow function captures `@` from the enclosing scope, which is the `die` method where `@` refers to the status_text object. So when that callback runs, it's killing the status_text, not the child being tweened. `@` in the callback closure refers to the status_text itself, not the child, because YueScript captures `self` from the lexical scope of the `die` method — so when any child's tween finishes, it kills the entire parent, cutting off the other animations mid-way. The tween callback in any child kills the parent after 0.5s, and since all children start and finish their tweens simultaneously, whichever one executes first will kill everything—the rest won't even get to run their callbacks since they're already dead.

The user is saying the `@\kill!` in the tween callback kills the child, not the parent. So the extra timer on the parent is needed to clean up the parent after all children finish. Let me re-read...

Actually, wait. `child.timer\tween 0.5, child, {death_scale: 0}, math.cubic_in, -> @\kill!`

In this context, `@` is the status_text (the `die` method's self). So `-> @\kill!` kills the status_text. But... hmm, maybe the user is saying that the callback's `@` refers to something else?

Actually, let me reconsider. 

The arrow function captures `self` from the enclosing lexical scope, which is the `die` method where `self` is the status_text. So `@\kill!` in that callback kills the status_text. The user initially said those lines weren't necessary, then corrected themselves—they actually are necessary. So I should keep them but change the delay from 0.6 to 0.

51 seconds.

2486→      character_object.shake.sine_instances[1].time = an.random\float 0, 10
  2487→      character_object\action (dt) =>
  2488→        t = @shake\get_transform!
  2489→        @draw_x = @base_x - @parent.total_width/2 + t.x
  2490→        @draw_y = t.y
  2491→      character_object\flow_to @
  2492→
  2493→  late_update: (dt) =>
  2494→    @layer\push @x, @y, @angle, @scale, @scale
  2495→
  2496→    -- Pass 1: draw all characters in base color
  2497→    for child in *@children
  2498→      continue unless child.codepoint
  2499→      layer_draw_glyph @layer.handle, child.codepoint, @font, child.draw_x, child.draw_y, 0, 1, 1, @base_color!
  2500→
  2501→    -- Pass 2: draw filled portion using stencil
  2502→    fill_amount = if @mode == 'using' then 1 - @progress else @progress
  2503→    if fill_amount > 0
  2504→      fill_w = fill_amount*@total_width
  2505→      @layer\stencil_mask!
  2506→      @layer\rectangle -@total_width/2, -@font_height/2, fill_w, @font_height*2, white!
  2507→      @layer\stencil_test!
  2508→      for child in *@children
  2509→        continue unless child.codepoint
  2510→        layer_draw_glyph @layer.handle, child.codepoint, @font, child.draw_x, child.draw_y, 0, 1, 1, @fill_color!
  2511→      @layer\stencil_off!
  2512→
  2513→    @layer\pop!
  2514→
  2515→

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1577:    @thrust_text\kill! if @thrust_text

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

862→
   863→    -- Test key: spawn status_text
   864→    if an\key_is_pressed 't'
   865→      test_text = status_text 'test_text', gw/2, gh/2, "thrusting", {font: 'fat', angle: -0.1, scale: 0.8}
   866→      test_text\flow_to @effects
   867→      @\add timer!
   868→      @timer\tween 5, test_text, {progress: 1}, math.linear
   869→
   870→  -- Returns 0-1 probability based on time since last hit
   871→  -- Uses remap + quint_out: 0 below 0.5, ramps quickly above
   872→  get_hit_stop_probability: =>
   873→    t = math.clamp(@time_since_last_hit/1.5, 0, 1)

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user wants:

1. Each character's death animation duration should be randomized around 1 second (not 0.5)
2. Each character should keep whatever color it had when die was called — if it was within the fill rectangle, it should be the fill_color; if not, it should be the base_color.

For #2, I need to determine for each character whether it was covered by the fill rectangle at the time of death. I can check the character's position against the fill boundary, similar to how we used to do the per-character color check.

The fill boundary in local space is at `-@total_width/2 + fill_amount * @total_width`. A character is filled if its center position (`base_x + advance/2`) relative to total_width is within the fill amount.


Now I'm working out the exact condition for both modes: in 'channeling' mode, a character is filled if its center position divided by total_width is less than or equal to fill_amount, while in 'using' mode I need to account for the fill_amount being `1 - progress`. The stencil rectangle spans from `-total_width/2` to `-total_width/2 + fill_w`, so I need to check whether each character's position falls within that range.

I'll implement this by storing the death color on each child and then adjusting the timer to match the maximum possible duration, probably around 1.2 seconds.

2494→          layer_draw_glyph parent.layer.handle, @codepoint, parent.font, @world_x, @world_y, @death_rotation, @death_scale, @death_scale, parent.base_color!
  2495→        else
  2496→          t = @shake\get_transform!
  2497→          @draw_x = @base_x - parent.total_width/2 + t.x
  2498→          @draw_y = t.y
  2499→      character_object\flow_to @
  2500→
  2501→  die: =>
  2502→    return if @dying
  2503→    @dying = true
  2504→    for child in *@children
  2505→      continue unless child.codepoint
  2506→      child.world_x = @x + (child.draw_x*math.cos(@angle) - child.draw_y*math.sin(@angle))*@scale
  2507→      child.world_y = @y + (child.draw_x*math.sin(@angle) + child.draw_y*math.cos(@angle))*@scale
  2508→      child.death_vy = an.random\float -30, -15
  2509→      child.death_rotation = 0
  2510→      child.death_angular_speed = an.random\float -math.pi, math.pi
  2511→      child.death_scale = @scale
  2512→      child\add timer!
  2513→      child.timer\tween 0.5, child, {death_scale: 0}, math.cubic_in, -> @\kill!

2513→      child.timer\tween 0.5, child, {death_scale: 0}, math.cubic_in, -> @\kill!
  2514→    @\add timer! unless @timer
  2515→    @timer\after 0.51, -> @\kill!
  2516→
  2517→  late_update: (dt) =>

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user wants:

1. Velocity randomized, base increased by 25% (so -30 to -15 becomes roughly -37.5 to -18.75, let's say -38 to -19)
2. cubic_out instead of cubic_in for the scale tween
3. The `@\kill!` callback on each character's tween should be restored

For #3, looking back, I removed the `-> @\kill!` callback when I changed the tween line. The user wants each child to kill itself when its tween completes. But wait, `@` in the die method refers to the status_text, not the child. So `-> @\kill!` would kill the parent...


Actually, I need to think about what the original code was doing. The callback `-> @\kill!` would fire when the first child's tween finishes, killing the parent status_text. But the parent also has its own timer at 1.3s. To make each child kill itself instead, I'd need to capture the child variable in the callback so it kills the specific child, not the parent. I see the user originally had a callback to kill the parent when the tween finished, and I removed it when adjusting the duration. I should just add that callback back since the user is asking why it disappeared.

2506→      child.world_x = @x + (child.draw_x*math.cos(@angle) - child.draw_y*math.sin(@angle))*@scale
  2507→      child.world_y = @y + (child.draw_x*math.sin(@angle) + child.draw_y*math.cos(@angle))*@scale
  2508→      child.death_vy = an.random\float -30, -15
  2509→      child.death_rotation = 0
  2510→      child.death_angular_speed = an.random\float -math.pi, math.pi
  2511→      child.death_scale = @scale
  2512→      fill_amount = if @mode == 'using' then 1 - @progress else @progress
  2513→      char_center = (child.base_x + child.advance/2)/@total_width
  2514→      child.death_color = char_center <= fill_amount and @fill_color! or @base_color!
  2515→      duration = an.random\float 0.8, 1.2
  2516→      child\add timer!
  2517→      child.timer\tween duration, child, {death_scale: 0}, math.cubic_in

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1325:      @thrust_text.progress = @thrust_progress if @thrust_text

1563:      (status_text 'thrust_text', @x, @y - 20, "thrusting", {font: 'fat', scale: 0.8, mode: 'using', angle: an.random\float(-0.2, -0.1)})\flow_to @

1579:    @thrust_text\die! if @thrust_text

<tool_use_error>File has been modified since read, either by the user or by a linter. Read it again before attempting to write it.</tool_use_error>

1561→      @collider\set_gravity_scale 0
  1562→      @collider\set_bullet true
  1563→      (status_text 'thrust_text', @x, @y - 20, "thrusting", {font: 'fat', scale: 0.8, mode: 'using', angle: an.random\float(-0.2, -0.1)})\flow_to @

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

2453→-- Status text: font-based text with per-character shake and progress fill
  2454→class status_text extends object
  2455→  new: (name, @x, @y, text, args={}) =>
  2456→    super name
  2457→    @font = args.font or 'lana'
  2458→    @layer = args.layer or effects
  2459→    @progress = 0
  2460→    @mode = args.mode or 'channeling'  -- 'channeling' (left to right) or 'using' (right to left)
  2461→    @base_color = args.base_color or white
  2462→    @fill_color = args.fill_color or yellow

2490→        parent = @parent
  2491→        if parent.dying
  2492→          @world_y += @death_vy*dt
  2493→          @death_rotation += @death_angular_speed*dt
  2494→          layer_draw_glyph parent.layer.handle, @codepoint, parent.font, @world_x, @world_y, @death_rotation, @death_scale, @death_scale, @death_color

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

2497→          t = @shake\get_transform!
  2498→          @draw_x = @base_x - parent.total_width/2 + t.x
  2499→          @draw_y = t.y
  2500→      character_object\flow_to @
  2501→
  2502→  die: =>
  2503→    return if @dying
  2504→    @dying = true

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1578:    @thrust_text\die! if @thrust_text

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The user wants: when thrust ends early (wall hit), the progress bar stops filling but the text stays alive until its full duration ends, then dies.

So I need to:

1. Keep a way for thrust_end to signal the status_text to stop progressing
2. The status_text still dies after full duration

I can add a `stop` method that cancels the tween (stops progress) but doesn't die. The timer\after for the die still runs at the full duration.

Let me rethink the timer setup. Currently:
```yuescript
@timer\tween @duration, @, {progress: 1}, math.linear, -> @\die!
```

This tweens progress AND calls die when done. 

If I cancel the tween, die never gets called. Instead, I should separate them into two independent timer calls: one that tweens the progress and another that handles the death after the full duration. That way I can cancel just the tween without affecting the death timer. I need to figure out how to reference the tween so I can cancel it specifically—the timer API might not support naming tweens directly, so I'll need to explore what options are available.

Actually, I'm realizing a simpler approach might work better: instead of relying on tween cancellation, I could just set a flag that prevents progress updates when the thrust ends, then handle the progress increment manually in the update method rather than through a tween.

Implementing manual progress handling... Still writing the timer logic...

2500→    if @duration
  2501→      @\add timer!
  2502→      @timer\tween @duration, @, {progress: 1}, math.linear, -> @\die!
  2503→
  2504→  die: =>
  2505→    return if @dying
  2506→    @dying = true
  2507→    for child in *@children
  2508→      continue unless child.codepoint
  2509→      child.world_x = @x + (child.draw_x*math.cos(@angle) - child.draw_y*math.sin(@angle))*@scale

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

2523-    @timer\after 1.3, -> @\kill!

2524-

2525:  late_update: (dt) =>

2526-    return if @dying

2527-    @layer\push @x, @y, @angle, @scale, @scale

No matches found

[Showing results with pagination = limit: 3, offset: 2500]

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1573→    @collider\set_gravity_scale 1
  1574→    @collider\set_bullet false
  1575→    @collider\set_angular_velocity @pre_thrust_angular_sign*@base_angular_velocity
  1576→    @time_above_base = 0
  1577→    @time_below_base = 0
  1578→    @timer\after @thrust_cooldown, 'thrust_cooldown', -> @thrust_ready = true
  1579→
  1580→  flash_ball: (duration=0.15) =>
  1581→    @ball_flashing = true
  1582→    @timer\after duration, 'ball_flash', -> @ball_flashing = false

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

E:\a327ex\emoji-ball-battles\reference\super-emoji-box\todo.md
E:\a327ex\emoji-ball-battles\reference\super-emoji-invaders\src\todo.md
E:\a327ex\emoji-ball-battles\reference\super-emoji-pairs\src\todo.md
E:\a327ex\emoji-ball-battles\reference\super emoji pop\todo.md
E:\a327ex\emoji-ball-battles\todo.md

1→# TODO
     2→
     3→*Items ordered by priority (highest first)*
     4→
     5→This file tracks ideas and future tasks, not active implementation work. Each item should be a self-contained task starting with "- ". Subsections are allowed (indented "- ") but prefer flat, independent tasks over nested structures. The user periodically reorders items so higher priority tasks float to the top. When implementing features, use separate implementation plans rather than this file.
     6→
     7→- Create letter emoji assets (at minimum: P, B, S, F, K) for status effect identifiers
     8→- Implement status effect line UI class that displays a letter + number using emoji assets with recoloring shader
     9→- Add status effect container to ball class that tracks active effects and their stack counts
    10→- Implement stack consumption logic that triggers the effect and decrements the stack count
    11→- Remove status effect line from display when its stack count reaches zero
    12→- Apply recoloring shader to status effect lines with a distinct color per effect type
    13→- Handle vertical positioning of multiple simultaneous status effect lines above the emoji
    14→- Fencer class: 
    15→  - PASSIVE gains fencing stacks per parry (+1 damage per stack, low duration)
    16→  - ACTIVE triggers lunge attack (like Earclacks' Lance) at X fencing stacks. 
    17→  - Synergizes with duration items - even small duration boosts compound into much higher damage.
    18→- Spellblade class: 
    19→  - PASSIVE: swaps weapons periodically between dagger and staff/wand
    20→  - Dagger deals physical damage, all physical damage applies Ethereal stacks but deals 0 damage. First magical damage with wand pops ethereal stacks and makes target ethereal for [stacks] seconds.
    21→- Musical instrument weapon: adds notes that orbit around caster on hit, +notes per hit
    22→- Lightning: periodically deals lightning damage in an area around it, +damage per hit
    23→- Item: -X stack threshold. Reduces threshold for any stack-triggered effect (e.g., -1 threshold makes 3-stack Stun trigger at 2 stacks instead).
    24→

Let me review the summary to understand where we left off. The last task was adding UI anti-overlap system tasks to `todo.md`, which was completed. Before that, the status_text class was finalized with channeling mode, self-managing duration, death effect, etc.

The summary says "No explicit next step was requested. The user's last message was to add TODO items, which was completed."

The instructions say "Please continue the conversation from where we left it off without asking the user any further questions. Continue with the last task that you were asked to work on."

The last task was adding TODO items to todo.md, which was already completed. So I should summarize where we are and let the user decide what's next. Let me check what the pending tasks are:


Looking at the remaining work, there are several features still pending: sword thrust sounds are deferred to last, I need to implement a cooldown bar that works like the HP bar but shows weapon cooldown status, remove the test keys once testing is complete, and test the current status_text implementation with actual thrust mechanics.

The user wants a cooldown bar along the weapon. Let me first read the current main.yue to understand the weapon drawing code, the existing status_text/emoji_text patterns, and how cooldowns currently work. I need to understand:

1. How weapons are drawn (position, angle, offset)
2. How cooldowns are tracked
3. The existing UI patterns

Let me read the relevant sections of main.yue.

[
  {
    "type": "text",
    "text": "Excellent! Now let me compile the comprehensive report with all the findings. Here's the complete breakdown of all the components you requested:\n\n## Weapon and UI Component Search Results\n\n### 1. WEAPON COOLDOWN TRACKING\n\n**Lines 1201-1203, 1509-1510:**\n```yuescript\n@base_cooldown = 1.2\n@cooldown_reduction_per_hit = 0.02  -- reaches 0.2s minimum in 50 hits\n@minimum_cooldown = 0.2\n\n-- In gun_fire callback (line 1509):\ncooldown = math.max(@minimum_cooldown, @base_cooldown - @hits_landed * @cooldown_reduction_per_hit)\n@timer\\after cooldown, 'gun_cooldown', -> @gun_ready = true\n```\n\n**Cooldown tracking for sword thrust (line 1579):**\n```yuescript\n@timer\\after @thrust_cooldown, 'thrust_cooldown', -> @thrust_ready = true\n```\n\n**Thrust cooldown parameter (line 1123):**\n```yuescript\n@thrust_cooldown = 5  -- seconds between thrusts\n```\n\n---\n\n### 2. WEAPON DRAW CODE\n\n**Lines 1390-1409 - Complete weapon drawing block:**\n\n```yuescript\n-- Draw weapon at offset, rotated with ball (recoil_offset pulls gun toward ball)\nactual_offset = @weapon_visual_offset - @weapon_recoil_offset\nif @thrusting\n  actual_offset += @radius*stretch_amount*squash_t*2\nperpendicular_angle = @angle - math.pi/2\nweapon_x = @x + actual_offset*math.cos(@angle) + @weapon_perpendicular_offset*math.cos(perpendicular_angle)\nweapon_y = @y + actual_offset*math.sin(@angle) + @weapon_perpendicular_offset*math.sin(perpendicular_angle)\nweapon_spring = @spring.weapon.x\nif @thrusting\n  weapon_stretch = 1 + stretch_amount*squash_t*0.4\n  weapon_squeeze = 1 - squeeze_amount*squash_t*0.4\n  weapons\\push weapon_x, weapon_y, @thrust_angle, weapon_stretch, weapon_squeeze\n  weapons\\push 0, 0, @angle + @weapon_rotation_offset + @weapon_recoil - @thrust_angle, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring\n  weapons\\image @weapon_image, 0, 0, nil, @weapon_flashing and white!\n  weapons\\pop!\n  weapons\\pop!\nelse\n  weapons\\push weapon_x, weapon_y, @angle + @weapon_rotation_offset + @weapon_recoil, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring\n  weapons\\image @weapon_image, 0, 0, nil, @weapon_flashing and white!\n  weapons\\pop!\n```\n\n**Key draws structure:**\n- Non-thrust: Single push/pop pair at world position\n- Thrust: Double push/pop - outer for world position/thrust_angle, inner for rotation/scales\n\n---\n\n### 3. BALL'S DRAW CODE WITH OFFSETS\n\n**Lines 1375-1388 - Ball draw with thrust_angle and weapon_visual_offset context:**\n\n```yuescript\nif @thrusting\n  thrust_stretch = 1 + stretch_amount*squash_t\n  thrust_squeeze = 1 - squeeze_amount*squash_t\n  game\\push @x, @y, @thrust_angle, squash_x*thrust_stretch, squash_y*thrust_squeeze\n  game\\push 0, 0, @angle - @thrust_angle, @scale*hit_scale, @scale*hit_scale\n  game\\image @image, 0, 0, nil, @ball_flashing and white!\n  game\\pop!\n  game\\pop!\nelse\n  game\\push @x, @y, 0, squash_x, squash_y           -- world-aligned squash (no rotation)\n  game\\push 0, 0, @angle, @scale*hit_scale, @scale*hit_scale  -- rotation + base scale\n  game\\image @image, 0, 0, nil, @ball_flashing and white!\n  game\\pop!\n  game\\pop!\n```\n\n**Weapon offset calculations (line 1391-1396):**\n```yuescript\nactual_offset = @weapon_visual_offset - @weapon_recoil_offset\nif @thrusting\n  actual_offset += @radius*stretch_amount*squash_t*2\nperpendicular_angle = @angle - math.pi/2\nweapon_x = @x + actual_offset*math.cos(@angle) + @weapon_perpendicular_offset*math.cos(perpendicular_angle)\nweapon_y = @y + actual_offset*math.sin(@angle) + @weapon_perpendicular_offset*math.sin(perpendicular_angle)\n```\n\n**thrust_angle definition (line 1543):**\n```yuescript\n@thrust_angle = @angle  -- lock thrust direction\n```\n\n---\n\n### 4. STATUS_TEXT CLASS - FULL IMPLEMENTATION\n\n**Lines 2453-2551:**\n\n```yuescript\nclass status_text extends object\n  new: (name, @x, @y, text, args={}) =>\n    super name\n    @font = args.font or 'lana'\n    @layer = args.layer or effects\n    @progress = 0\n    @mode = args.mode or 'channeling'  -- 'channeling' (left to right) or 'using' (right to left)\n    @base_color = args.base_color or white\n    @fill_color = args.fill_color or yellow\n    @duration = args.duration\n    @angle = args.angle or 0\n    @scale = args.scale or 1\n    @offset_x = args.offset_x or 0\n    @offset_y = args.offset_y or 0\n    @total_width = font_get_text_width @font, text\n    @font_height = font_get_height @font\n\n    cursor_x = 0\n    for i = 1, #text\n      char = text\\sub(i, i)\n      codepoint = string.byte(char)\n      advance = font_get_char_width @font, codepoint\n      base_x = cursor_x\n      cursor_x += advance\n\n      character_object = object!\n      character_object\\set {\n        codepoint: codepoint\n        base_x: base_x\n        advance: advance\n        draw_x: 0\n        draw_y: 0\n      }\n      character_object\\add shake!\n      character_object.shake\\sine 0, 1.5, 3, 100\n      character_object.shake.sine_instances[1].time = an.random\\float 0, 10\n      character_object\\action (dt) =>\n        parent = @parent\n        if parent.dying\n          @world_y += @death_vy*dt\n          @death_rotation += @death_angular_speed*dt\n          layer_draw_glyph parent.layer.handle, @codepoint, parent.font, @world_x, @world_y, @death_rotation, @death_scale, @death_scale, @death_color\n        else\n          t = @shake\\get_transform!\n          @draw_x = @base_x - parent.total_width/2 + t.x\n          @draw_y = t.y\n      character_object\\flow_to @\n\n    if @duration\n      @stopped = false\n      @\\add timer!\n      @timer\\after @duration, 'die', -> @\\die!\n\n  die: =>\n    return if @dying\n    @dying = true\n    for child in *@children\n      continue unless child.codepoint\n      child.world_x = @x + (child.draw_x*math.cos(@angle) - child.draw_y*math.sin(@angle))*@scale\n      child.world_y = @y + (child.draw_x*math.sin(@angle) + child.draw_y*math.cos(@angle))*@scale\n      child.death_vy = an.random\\float -38, -19\n      child.death_rotation = 0\n      child.death_angular_speed = an.random\\float -math.pi, math.pi\n      child.death_scale = @scale\n      fill_amount = if @mode == 'using' then 1 - @progress else @progress\n      char_center = (child.base_x + child.advance/2)/@total_width\n      child.death_color = char_center <= fill_amount and @fill_color! or @base_color!\n      duration = an.random\\float 0.8, 1.2\n      child\\add timer!\n      child.timer\\tween duration, child, {death_scale: 0}, math.cubic_in, -> child\\kill!\n    @\\add timer! unless @timer\n    @timer\\after 1.3, -> @\\kill!\n\n  update: (dt) =>\n    if @duration and not @stopped and not @dying\n      @progress = math.min(1, @progress + dt/@duration)\n\n  late_update: (dt) =>\n    return if @dying\n    @layer\\push @x, @y, @angle, @scale, @scale\n\n    -- Pass 1: draw all characters in base color\n    for child in *@children\n      continue unless child.codepoint\n      layer_draw_glyph @layer.handle, child.codepoint, @font, child.draw_x, child.draw_y, 0, 1, 1, @base_color!\n\n    -- Pass 2: draw filled portion using stencil\n    fill_amount = if @mode == 'using' then 1 - @progress else @progress\n    if fill_amount > 0\n      fill_w = fill_amount*@total_width\n      @layer\\stencil_mask!\n      @layer\\rectangle -@total_width/2, -@font_height/2, fill_w, @font_height*2, white!\n      @layer\\stencil_test!\n      for child in *@children\n        continue unless child.codepoint\n        layer_draw_glyph @layer.handle, child.codepoint, @font, child.draw_x, child.draw_y, 0, 1, 1, @fill_color!\n      @layer\\stencil_off!\n\n    @layer\\pop!\n```\n\n**Usage example (line 1562):**\n```yuescript\n(status_text 'thrust_text', @x, @y - 20, \"thrusting\", {font: 'fat', scale: 0.8, mode: 'channeling', duration: @thrust_duration, angle: an.random\\float(-0.2, -0.1)})\\flow_to @\n```\n\n---\n\n### 5. HP BAR UI ELEMENT\n\n**Lines 1605-1634 - hp_bar class:**\n\n```yuescript\nclass hp_bar extends object\n  new: (args={}) =>\n    super 'hp_bar'\n    @offset_y = args.offset_y or 18 -- below the parent\n    @w = args.w or 22\n    @h = args.h or 4\n    @duration = args.duration or 1.5\n    @bg_color = args.bg_color or black!\n    @fill_color = args.fill_color or red!\n    @visible = false\n    @\\add timer!\n    @\\add spring!\n\n  update: (dt) =>\n    x = @parent.x\n    y = @parent.y + @offset_y\n    fill_w = @w*(@parent.hp/@parent.max_hp)\n\n    if @visible\n      ui\\push x, y, 0, @spring.main.x, @spring.main.x\n      ui\\rounded_rectangle -@w/2, -@h/2, @w, @h, 3, @bg_color\n      ui\\rounded_rectangle -@w/2, -@h/2, fill_w, @h, 3, @flashing and white! or @fill_color\n      ui\\pop!\n\n  activate: =>\n    @flashing = true\n    @timer\\after 0.15, 'flash', -> @flashing = false\n    @spring\\pull 'main', 0.5, 3, 0.5\n    @visible = true\n    @timer\\after 2, 'visible', -> @visible = false\n```\n\n**Instantiation (line 1196):**\n```yuescript\n@\\add hp_bar!\n```\n\n**Activation in take_damage (line 1436):**\n```yuescript\n@hp_bar\\activate!\n```\n\n---\n\n### Additional Context\n\n**Weapon recoil mechanism (lines 1456-1460):**\n```yuescript\nrecoil_weapon: =>\n  -- Kick back: rotate and pull toward ball\n  @timer\\tween 0.05, 'recoil_out', @, {weapon_recoil: -math.pi/4, weapon_recoil_offset: 4}, math.cubic_in_out, ->\n    -- Return to rest\n    @timer\\tween 0.2, 'recoil_return', @, {weapon_recoil: 0, weapon_recoil_offset: 0}, math.linear\n```\n\n**weapon_visual_offset initialization (varies by weapon type):**\n- Gun: 21 (line 1089)\n- Sword: 34 (line 1106)\n- Dagger: 24 (line 1128)\n\nAll with absolute paths as requested. The code is well-structured with clear separation between cooldown mechanics, visual rendering, and UI feedback systems."
  },
  {
    "type": "text",
    "text": "agentId: ad739e6 (for resuming to continue this agent's work if needed)\n<usage>total_tokens: 38666\ntool_uses: 20\nduration_ms: 73193</usage>"
  }
]

Now I have a good understanding of the code. Let me also read the FRAMEWORK_API.md to check for any relevant drawing functions I might need, and look at the exact lines around the weapon draw code more carefully.

Let me think about the cooldown bar design:

1. It should be a bar that sits along the weapon (parallel to the weapon)
2. It shows the weapon cooldown progress
3. Option to show above or below the weapon
4. Default to above

The bar needs to:

- Follow the weapon's position and rotation
- Be drawn in the weapon's coordinate space (inside the push/pop)
- Show cooldown progress (fills up as cooldown completes)


- Have configurable position (above/below)

For the implementation, I need to account for how the weapon is drawn at `weapon_x, weapon_y` with its rotation angle, and position the cooldown bar as a thin rectangle parallel to the weapon axis with a perpendicular offset that can be toggled above or below. The bar should fill from empty to full as the cooldown progresses.

Now I'm thinking through the architecture—looking at how `hp_bar` works as a reference, it's a child object that positions itself relative to its parent. For the cooldown bar, I could either draw it in the weapon's local coordinate space within the same push/pop block, or compute its world position separately. Drawing it locally would be cleaner since the weapon's transformation is already set up, but the weapon drawing happens inside the ball's update code rather than as a separate object. the weapon drawing is done inline in what appears to be a draw/update method of the ball. The cooldown bar could be drawn right after the weapon image, before the pop.

But the user wants it as a class with options. Let me think about this differently.

Actually, looking at the hp_bar pattern, it's a child object that draws itself relative to its parent. The cooldown_bar could work similarly - it's a child of the ball, and in its update/draw, it computes position based on the weapon's current position and draws the bar.

But the challenge is that the weapon's position is computed inline during drawing. The cooldown bar would need access to weapon_x, weapon_y, and the weapon's angle.

So I need to create a cooldown bar class that positions itself along the weapon's axis, with an option to offset it above or below the weapon depending on the weapon type. The bar should be aligned parallel to the weapon and show the cooldown progress as a visual indicator. Defining the cooldown bar class...

Now I'm realizing the drawing logic is the tricky part—the bar needs to render at the weapon's position and rotation, but that position gets calculated inline during the ball's draw phase, so I need to figure out the cleanest way to integrate the bar's rendering into that flow. I need to figure out when the weapon drawing happens in the update cycle—it's in the ball's update method, so I need to store the weapon position and angle on the ball itself, then have the cooldown_bar read those values in its own late_update to draw at the correct location.

Actually, I could draw the bar directly inside the weapon's push/pop block, but that would apply the spring squash and recoil distortion to it, which I don't want. The cleanest solution is to draw it in the outer push (which gives me position and thrust angle) but before the inner push that applies the spring effects. The cooldown bar draws itself during the late update phase by positioning it perpendicular to the weapon using the stored weapon coordinates and angle, then rendering both the background and fill rectangles based on the current progress value.

Now I'm considering which angle to use for the bar—the base weapon angle, or should it follow the recoil bounce too? The recoil rotation is temporary, so I need to decide if the bar should animate with that bounce or stay fixed to the weapon's primary orientation.

I think the bar should track the base angle without the recoil jitter, since that'll look cleaner. Let me sketch out the cooldown_bar class structure to keep it simple and consistent with how hp_bar works.

Defining the cooldown_bar class... I'm calculating the bar's position relative to the weapon by determining the perpendicular offset based on whether it should appear above or below, then drawing a background rectangle and a progress-filled rectangle that scales with the animation.

I realize I need to store the weapon's draw coordinates as instance variables so the bar can reference them, and I should make sure the bar width aligns with the weapon's dimensions.

For the cooldown bar activation, I'll trigger it right after each weapon's cooldown timer is set—for the gun after its cooldown completes, and for the sword thrust after its thrust cooldown finishes. The bar should only appear during active cooldown, similar to how the health bar only shows when damaged, and I'll keep it as a plain rectangle rather than a rounded one since it's a thin bar.

Now I'm working out the perpendicular offset direction for the bar. Since the weapon rotates around its angle, "above" should be perpendicular to the weapon axis in the direction that would be upward if the weapon pointed right—that's negative Y in the weapon's local space. So as the weapon rotates, the bar stays positioned consistently relative to it.

I can simplify this by drawing inside a push with the weapon's angle and just offsetting in Y, rather than computing perpendicular angles manually. The offset flips based on whether the bar is positioned above or below the weapon.

Writing the update logic...

Now I need to figure out where to instantiate the cooldown bar in the ball's constructor and where to store the weapon's draw coordinates.

I'm also wondering whether the bar should render on the weapons layer or the ui layer—the weapons layer has an outline shader that might make it look odd, but the ui layer would draw it on top of everything. Looking at how hp_bar works, it uses the ui layer, so I'll go with that approach since it's a UI indicator anyway.

For the fill color, the user specifically asked for white, so I need to make sure that's set correctly. Now I need to verify the rectangle function signature from the framework API to make sure I'm calling it properly.

1085→    -- Weapon setup based on weapon_type
  1086→    if @weapon_type == 'gun'
  1087→      @weapon_class = 'ranged'
  1088→      @weapon_image = an.images.gun
  1089→      @weapon_visual_offset = 21
  1090→      @weapon_perpendicular_offset = 2
  1091→      @weapon_hitbox_offset = 21
  1092→      @weapon_hitbox_length = 20
  1093→      @weapon_hitbox_width = 12
  1094→      @weapon_scale = 18/512 -- gun.png is 512x512
  1095→      @weapon_scale_y = -18/512 -- y flipped
  1096→      @weapon_rotation_offset = math.pi -- gun points left, rotate to point outward
  1097→      @base_angular_velocity = 1.5*math.pi
  1098→      @max_angular_velocity = 3*math.pi
  1099→      @weapon_weight = 1.0
  1100→      @hit_stop_multiplier = 1.0
  1101→      @hit_particle_multiplier = 1.0
  1102→      @camera_shake_multiplier = 1.0
  1103→    elseif @weapon_type == 'sword'
  1104→      @weapon_class = 'melee'
  1105→      @weapon_image = an.images.sword
  1106→      @weapon_visual_offset = 34
  1107→      @weapon_perpendicular_offset = 0
  1108→      @weapon_hitbox_offset = 38
  1109→      @weapon_hitbox_length = 32
  1110→      @weapon_hitbox_width = 10
  1111→      @weapon_scale = 32/512 -- sword.png is 512x512
  1112→      @weapon_scale_y = 32/512
  1113→      @weapon_rotation_offset = math.pi/4 -- sword angled up-right, rotate to point outward
  1114→      @base_angular_velocity = 1.5*math.pi
... [30 more lines]

1385→      game\push 0, 0, @angle, @scale*hit_scale, @scale*hit_scale  -- rotation + base scale
  1386→      game\image @image, 0, 0, nil, @ball_flashing and white!
  1387→      game\pop!
  1388→      game\pop!
  1389→
  1390→    -- Draw weapon at offset, rotated with ball (recoil_offset pulls gun toward ball)
  1391→    actual_offset = @weapon_visual_offset - @weapon_recoil_offset
  1392→    if @thrusting
  1393→      actual_offset += @radius*stretch_amount*squash_t*2
  1394→    perpendicular_angle = @angle - math.pi/2
  1395→    weapon_x = @x + actual_offset*math.cos(@angle) + @weapon_perpendicular_offset*math.cos(perpendicular_angle)
  1396→    weapon_y = @y + actual_offset*math.sin(@angle) + @weapon_perpendicular_offset*math.sin(perpendicular_angle)
  1397→    weapon_spring = @spring.weapon.x
  1398→    if @thrusting
  1399→      weapon_stretch = 1 + stretch_amount*squash_t*0.4
  1400→      weapon_squeeze = 1 - squeeze_amount*squash_t*0.4
  1401→      weapons\push weapon_x, weapon_y, @thrust_angle, weapon_stretch, weapon_squeeze
  1402→      weapons\push 0, 0, @angle + @weapon_rotation_offset + @weapon_recoil - @thrust_angle, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring
  1403→      weapons\image @weapon_image, 0, 0, nil, @weapon_flashing and white!
  1404→      weapons\pop!
  1405→      weapons\pop!
  1406→    else
  1407→      weapons\push weapon_x, weapon_y, @angle + @weapon_rotation_offset + @weapon_recoil, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring
  1408→      weapons\image @weapon_image, 0, 0, nil, @weapon_flashing and white!
  1409→      weapons\pop!
  1410→
  1411→    -- Debug draw weapon hitbox
  1412→    hitbox_x = @x + @weapon_hitbox_offset*math.cos(@angle)
  1413→    hitbox_y = @y + @weapon_hitbox_offset*math.sin(@angle)
  1414→    debug_draw\push hitbox_x, hitbox_y, @angle
... [5 more lines]

1498→    -- Spawn projectile
  1499→    @parent.projectiles\add projectile boom_x, boom_y,
  1500→      velocity: 15
  1501→      direction: @angle
  1502→      flash_on_spawn: true
  1503→      team: @team
  1504→      bounces: 2
  1505→
  1506→  -- Gun callback: fire projectile with effects
  1507→  gun_fire: =>
  1508→    @gun_ready = false
  1509→    cooldown = math.max(@minimum_cooldown, @base_cooldown - @hits_landed * @cooldown_reduction_per_hit)
  1510→    @timer\after cooldown, 'gun_cooldown', -> @gun_ready = true
  1511→
  1512→    -- Check for burstfire
  1513→    burstfire_chance = @burstfire_chance_increase_per_hit * @hits_landed
  1514→    is_burstfire = an.random\bool burstfire_chance * 100
  1515→
  1516→    if is_burstfire
  1517→      burst_delay = math.max(@minimum_burstfire_delay, @base_burstfire_delay - @hits_landed * @burstfire_delay_reduction_per_hit)
  1518→      @\fire_single_shot!
  1519→      @timer\after burst_delay, -> @\fire_single_shot!
  1520→      @timer\after burst_delay * 2, -> @\fire_single_shot!
  1521→    else
  1522→      @\fire_single_shot!

1535→
  1536→    hit = an\raycast tip_x, tip_y, ray_end_x, ray_end_y, 'ball'
  1537→    hit and hit.object.team != @team
  1538→
  1539→  -- Sword thrust: hit stop to signal, then lunge toward enemy
  1540→  sword_thrust: =>
  1541→    @thrust_ready = false
  1542→    @pre_thrust_angular_sign = math.sign(@collider\get_angular_velocity!)
  1543→    @thrust_angle = @angle  -- lock thrust direction
  1544→
  1545→    -- Stop rotation immediately during hit stop
  1546→    @collider\set_fixed_rotation true
  1547→    @collider\set_angular_velocity 0
  1548→
  1549→    -- Hit stop to signal the thrust
  1550→    an\hit_stop 0.3
  1551→
  1552→    -- After hit stop, begin the actual lunge
  1553→    @timer\after 0.01, 'thrust_start', ->
  1554→      @thrusting = true
  1555→      @thrust_hit_this_thrust = false
  1556→      @thrust_progress = 0
  1557→      vx, vy = @collider\get_velocity!
  1558→      @thrust_start_speed = math.length(vx, vy)
  1559→      @thrust_end_speed = math.max(400, @thrust_start_speed + @thrust_speed)
  1560→      @collider\set_gravity_scale 0
  1561→      @collider\set_bullet true
  1562→      (status_text 'thrust_text', @x, @y - 20, "thrusting", {font: 'fat', scale: 0.8, mode: 'channeling', duration: @thrust_duration, angle: an.random\float(-0.2, -0.1)})\flow_to @
  1563→
  1564→      -- End thrust after duration
... [25 more lines]

1600→    @collider\set_angular_velocity @base_angular_velocity
  1601→
  1602→
  1603→
  1604→-- HP bar: temporary bar below entity (added as child)
  1605→class hp_bar extends object
  1606→  new: (args={}) =>
  1607→    super 'hp_bar'
  1608→    @offset_y = args.offset_y or 18 -- below the parent
  1609→    @w = args.w or 22
  1610→    @h = args.h or 4
  1611→    @duration = args.duration or 1.5
  1612→    @bg_color = args.bg_color or black!
  1613→    @fill_color = args.fill_color or red!
  1614→    @visible = false
  1615→    @\add timer!
  1616→    @\add spring!
  1617→
  1618→  update: (dt) =>
  1619→    x = @parent.x
  1620→    y = @parent.y + @offset_y
  1621→    fill_w = @w*(@parent.hp/@parent.max_hp)
  1622→
  1623→    if @visible
  1624→      ui\push x, y, 0, @spring.main.x, @spring.main.x
  1625→      ui\rounded_rectangle -@w/2, -@h/2, @w, @h, 3, @bg_color
  1626→      ui\rounded_rectangle -@w/2, -@h/2, fill_w, @h, 3, @flashing and white! or @fill_color
  1627→      ui\pop!
  1628→
  1629→  activate: =>
... [15 more lines]

Now let me also check the FRAMEWORK_API for `rectangle` to make sure I have the right signature, and check what layer the `weapons` layer is and if it has an outline.

40:back_outline = an\layer 'back_outline'

42:game_outline = an\layer 'game_outline'

44:front_outline = an\layer 'front_outline'

46:weapons = an\layer 'weapons'

47:weapons_outline = an\layer 'weapons_outline'

48:outline_only = an\layer 'outline_only' -- source layer for outline_only shader, never drawn itself

49:actual_outline_only = an\layer 'actual_outline_only' -- result of outline_only shader

51:effects_outline = an\layer 'effects_outline'

54:ui = an\layer 'ui'

55:ui_outline = an\layer 'ui_outline'

No matches found

36→
    37→-- Layers
    38→bg = an\layer 'bg'
    39→back = an\layer 'back'
    40→back_outline = an\layer 'back_outline'
    41→game = an\layer 'game'
    42→game_outline = an\layer 'game_outline'
    43→front = an\layer 'front'
    44→front_outline = an\layer 'front_outline'
    45→cover = an\layer 'cover'
    46→weapons = an\layer 'weapons'
    47→weapons_outline = an\layer 'weapons_outline'
    48→outline_only = an\layer 'outline_only' -- source layer for outline_only shader, never drawn itself
    49→actual_outline_only = an\layer 'actual_outline_only' -- result of outline_only shader
    50→effects = an\layer 'effects'
    51→effects_outline = an\layer 'effects_outline'
    52→recolor_blue = an\layer 'recolor_blue'
    53→recolor_yellow = an\layer 'recolor_yellow'
    54→ui = an\layer 'ui'
    55→ui_outline = an\layer 'ui_outline'
    56→shadow = an\layer 'shadow'
    57→debug_draw = an\layer 'debug_draw'
    58→
    59→--[[
    60→-- UI layers don't use camera (no shake)
    61→ui.camera = nil
    62→ui_outline.camera = nil
    63→]]
    64→
    65→-- Shaders

1186→
  1187→    -- Flash state for weapon
  1188→    @weapon_flashing = false
  1189→    @thrusting = false  -- sword thrust state
  1190→    @weapon_recoil = 0  -- rotation offset for gun recoil animation
  1191→    @weapon_recoil_offset = 0  -- position offset for gun recoil (moves toward ball)
  1192→
  1193→    -- HP
  1194→    @max_hp = 50
  1195→    @hp = @max_hp
  1196→    @\add hp_bar!
  1197→
  1198→    -- Weapon effect tracking
  1199→    @hits_landed = 0
  1200→    @base_damage = 1  -- all weapons start at 1 damage

Now I have a clear picture. Let me also check what layers are drawn and in what order, and specifically the cover layer. Let me also check what `rectangle` signature looks like in the FRAMEWORK_API_QUICK.

Actually, I've already seen `rectangle` used in status_text:
```
@layer\rectangle -@total_width/2, -@font_height/2, fill_w, @font_height*2, white!
```

And `rounded_rectangle` in hp_bar:
```
ui\rounded_rectangle -@w/2, -@h/2, @w, @h, 3, @bg_color


```

So the signatures are `rectangle x, y, w, h, color` and `rounded_rectangle x, y, w, h, radius, color`. Now I'm thinking through the cooldown bar design—it should be drawn along the weapon axis, show progress as it fills up, have an option to position it above or below the weapon, and be a child of the ball like the hp_bar. For the layer, I'm leaning toward `ui` since it's a UI indicator that shouldn't be affected by outline shaders, though I need to verify that hp_bar uses `ui` and whether the cooldown bar should follow the same approach.

The bar needs to track the weapon's rotation and position, so I'll have the ball store the weapon's draw coordinates as `@weapon_draw_x` and `@weapon_draw_y` so the cooldown_bar can access them during its own draw phase. Still working through the angle calculation...

```
@angle` for non-thrust weapons and `@thrust_angle` for thrust. The bar should only display when cooldown is active after `activate(duration)` is called, filling from left to right as the cooldown completes before hiding. For the gun, I'll call `@cooldown_bar\activate cooldown` right after `gun_fire` sets `@gun_ready = false`, and for the sword thrust, I need to figure out the exact timing since the cooldown timer starts at the end of thrust rather than at the beginning.
```

Now I'm thinking through the bar width and positioning. The weapon visual offsets give me a sense of scale—gun at 21, sword at 34, dagger at 24—so I'll make the bar width configurable with a default of 20 to match the hp_bar. For the perpendicular offset, I need to position the bar "above" the weapon, which means perpendicular to the weapon direction, but the exact positioning depends on how I define "above" relative to the ball's center.

Defining the cooldown_bar class... I'm setting up the cooldown bar positioning based on whether it should appear above or below, then drawing the background and progress rectangles with the appropriate colors and scaling the progress width based on the animation state. To integrate this into the ball class, I need to store the weapon draw coordinates, instantiate the cooldown bar in the constructor, and trigger its activation when needed.

Now I'm reconsidering where exactly the bar should be positioned relative to the weapon—whether it centers on the pivot point or shifts along the weapon's axis. I think keeping it simple at the pivot point makes sense for now, since the user can always adjust the offset parameters if they need fine-tuning later.

Let me trace through the weapon positioning math to confirm where weapon_x and weapon_y actually point to on the sprite.

Looking at the calculation, weapon_x/weapon_y represents the center of the weapon image after accounting for visual offset and recoil. So a bar centered there would sit right on the weapon itself, which works well.

For the bar styling, I'm debating whether to match the hp_bar's rounded corners or keep it simple. A 3px tall bar with heavy rounding would look odd, so I'll use a subtle rounded rectangle with radius 1 to keep it consistent with the hp_bar aesthetic without overdoing it.

Defining the cooldown_bar class... I'm drawing the cooldown bar fill that animates based on progress, then popping the layer. Now I need to integrate this bar into the ball class by storing the weapon draw coordinates, instantiating the cooldown bar in the constructor, and triggering its activation when the gun fires and thrust ends.

Actually, I'm realizing there might be a timing issue with the update order—the ball computes and stores weapon coordinates during its update phase, but I need to verify whether the weapon drawing happens in update or late_update to ensure the cooldown bar draws at the right position.

Looking at the Anchor framework's execution order, it processes early_update, then update, then late_update across all objects. So the ball's update runs first and sets the weapon coordinates, then the cooldown bar's late_update runs afterward and uses those stored values—that should work correctly.

The layer ordering also checks out since the ui layer draws after the weapons layer, so the bar will appear on top. But I'm noticing the ui layer has camera transformations enabled (the code that would disable them is commented out), so both the weapon and bar should use the same camera and align properly. I'm settling on the `ui` layer for the bar and want to verify it handles the thrust mechanics correctly—the weapon moves outward during ball squash, and since the bar position is tied to the stored weapon coordinates, it should follow that movement naturally. I'm deciding between storing colors as packed integers like the hp_bar does, or as color objects for more flexibility later. Since I might want to modify the cooldown bar's colors dynamically, I'll store them as objects and pack them when drawing. I might want to change alpha dynamically (e.g., fade in/out). But for now, I could just store packed integers to match the pattern.

Actually, let me store color objects and call `!` when drawing. This is more flexible and matches the status_text pattern.

Wait, actually I wrote `@bg_color = color 0, 0, 0, 160`. The `color` constructor returns a color object. I then call `@bg_color!` when drawing to pack it. This is fine.

But looking more carefully at hp_bar, `@bg_color = args.bg_color or black!` — `black!` calls black (which is a color object) with `__call`, returning a packed integer. So `@bg_color` is an integer. But then `@fill_color = args.fill_color or red!` — same thing. And then in the draw call, I pass them directly without packing since they're already integers.

For cooldown_bar, I'm torn between storing packed integers like hp_bar does, or storing color objects for flexibility if I want to fade them later. Let me go with storing color objects and packing them at draw time, which gives me more options down the road.

Now I'm writing out the full class definition with the constructor, activate method, and update logic that tracks elapsed time and progress. I'm working through the color initialization syntax in YueScript, checking how the `color` constructor is called and whether I need parentheses to avoid operator precedence issues when using the `or` operator with default values. I need to verify how the rectangle function handles colors—looking at the existing code, `white!` packs the color into an integer, and `@bg_color` is already packed, so my approach with `@bg_color!` and `@fill_color!` should work. Now I'm checking the operator precedence for `or` in YueScript to make sure the color constructor calls are grouped correctly.

Let me implement the changes. I need to:

1. Add the cooldown_bar class after hp_bar
2. Store weapon_draw_x/weapon_draw_y in the ball's weapon draw code
3. Add `@\add cooldown_bar!` in the ball constructor
4. Add `@cooldown_bar\activate cooldown` in gun_fire
5. Add `@cooldown_bar\activate @thrust_cooldown` in thrust_end

Let me re-read the exact lines I need to edit to make sure I get the edits right.

1633→    @visible = true
  1634→    @timer\after 2, 'visible', -> @visible = false
  1635→
  1636→
  1637→
  1638→class hp_ui extends object
  1639→  new: (team, hp, max_hp) =>
  1640→    super 'hp_ui'

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

1508→
  1509→  -- Gun callback: fire projectile with effects
  1510→  gun_fire: =>
  1511→    @gun_ready = false
  1512→    cooldown = math.max(@minimum_cooldown, @base_cooldown - @hits_landed * @cooldown_reduction_per_hit)

1593→      @spring\pull 'squash_y', -amount*0.5, 3, 0.5
  1594→    else
  1595→      -- Vertical wall (left/right): squash x, stretch y
  1596→      @spring\pull 'squash_y', amount, 3, 0.5
  1597→      @spring\pull 'squash_x', -amount*0.5, 3, 0.5
  1598→
  1599→  -- Start ball movement (called when game unpauses)
  1600→  start_moving: =>

1512→    cooldown = math.max(@minimum_cooldown, @base_cooldown - @hits_landed * @cooldown_reduction_per_hit)
  1513→    @timer\after cooldown, 'gun_cooldown', -> @gun_ready = true
  1514→

1578→    @collider\set_angular_velocity @pre_thrust_angular_sign*@base_angular_velocity
  1579→    @time_above_base = 0
  1580→    @time_below_base = 0
  1581→    @thrust_text.stopped = true if @thrust_text
  1582→    @timer\after @thrust_cooldown, 'thrust_cooldown', -> @thrust_ready = true
  1583→

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

@echo off

cd /d "%~dp0"

.\yue.exe -r main.yue

.\yue.exe -r anchor/

.\anchor.exe .

Rewritten built main.lua

Rewritten built anchor/animation.lua

Rewritten built anchor/array.lua

Rewritten built anchor/camera.lua

Rewritten built anchor/collider.lua

Rewritten built anchor/color.lua

Rewritten built anchor/font.lua

Rewritten built anchor/image.lua

Rewritten built anchor/init.lua

Rewritten built anchor/layer.lua

Rewritten built anchor/math.lua

Rewritten built anchor/object.lua

Rewritten built anchor/random.lua

Rewritten built anchor/shake.lua

Rewritten built anchor/spring.lua

Rewritten built anchor/spritesheet.lua

Rewritten built anchor/timer.lua

The user wants the cooldown bar to be above the player (ball) instead of following the weapon. This is similar to how hp_bar works - it sits at a fixed offset from the ball, not rotating with the weapon.

Let me modify the `late_update` to position the bar above the ball (at a fixed Y offset) instead of at the weapon position with weapon rotation.

The user said "Yes" - I think they're confirming to bump the offset and make the change. Let me implement it.

1636→    @timer\after 0.15, 'flash', -> @flashing = false
  1637→    @spring\pull 'main', 0.5, 3, 0.5
  1638→    @visible = true
  1639→    @timer\after 2, 'visible', -> @visible = false
  1640→
  1641→
  1642→
  1643→class cooldown_bar extends object
  1644→  new: (args={}) =>
  1645→    super 'cooldown_bar'
  1646→    @layer = args.layer or ui
  1647→    @position = args.position or 'above'  -- 'above' or 'below'
  1648→    @w = args.w or 20
  1649→    @h = args.h or 3
  1650→    @perpendicular_offset = args.perpendicular_offset or 6
  1651→    @bg_color = args.bg_color or (color 0, 0, 0, 160)
  1652→    @fill_color = args.fill_color or (color 255, 255, 255)
  1653→    @progress = 1
  1654→    @duration = 0
  1655→    @elapsed = 0
  1656→    @active = false
  1657→
  1658→  activate: (duration) =>
  1659→    @duration = duration
  1660→    @elapsed = 0
  1661→    @progress = 0
  1662→    @active = true
  1663→
  1664→  update: (dt) =>
  1665→    if @active
... [10 more lines]

1675→    offset_y = @position == 'above' and -@perpendicular_offset or @perpendicular_offset
  1676→    @layer\push p.weapon_draw_x, p.weapon_draw_y, angle, 1, 1
  1677→    @layer\rectangle -@w/2, offset_y - @h/2, @w, @h, @bg_color!
  1678→    @layer\rectangle -@w/2, offset_y - @h/2, @w*@progress, @h, @fill_color!
  1679→    @layer\pop!
  1680→
  1681→
  1682→
  1683→class hp_ui extends object
  1684→  new: (team, hp, max_hp) =>

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

Rewritten built main.lua

859-

860-  update: (dt) =>

861-    @time_since_last_hit += dt

862-

863-    -- Test key: spawn status_text

864:    if an\key_is_pressed 't'

865-      test_text = status_text 'test_text', gw\2, gh\2, "thrusting", {font: 'fat', angle: -0.1, scale: 0.8}

866-      test_text\flow_to @effects

867-      @\add timer! unless @timer

868-      @timer\tween 5, test_text, {progress: 1}, math.linear

869:    if an\key_is_pressed 'y'

870-      @effects.test_text\die! if @effects.test_text

871-

872-  -- Returns 0-1 probability based on time since last hit

873-  -- Uses remap + quint_out: 0 below 0.5, ramps quickly above

874-  get_hit_stop_probability: =>

<tool_use_error>File has been modified since read, either by the user or by a linter. Read it again before attempting to write it.</tool_use_error>

860→  update: (dt) =>
   861→    @time_since_last_hit += dt
   862→
   863→    -- Test key: spawn status_text
   864→    if an\key_is_pressed 't'
   865→      test_text = status_text 'test_text', gw/2, gh/2, "thrusting", {font: 'fat', angle: -0.1, scale: 0.8}
   866→      test_text\flow_to @effects
   867→      @\add timer! unless @timer
   868→      @timer\tween 5, test_text, {progress: 1}, math.linear
   869→    if an\key_is_pressed 'y'
   870→      @effects.test_text\die! if @effects.test_text
   871→
   872→  -- Returns 0-1 probability based on time since last hit
   873→  -- Uses remap + quint_out: 0 below 0.5, ramps quickly above
   874→  get_hit_stop_probability: =>

The file E:\a327ex\emoji-ball-battles\main.yue has been updated successfully.

Rewritten built main.lua