[REDACTED: private project content]

E:/a327ex/Anchor2/:
app/
arena/
docs/
engine/
framework/
reference/
scripts/

E:/a327ex/Ricochet/:
anchor/
anchor.exe*
assets/
design.md
dot_shader.lua
entities.lua
main.lua
reference/
run.bat
todo.md

E:/a327ex/emoji-ball-battles/:
anchor/
anchor.exe*
assets/
balance.bat
docs/
main.lua
old_assets/
reference/
... [5 more lines]

1    --[[
2     Ricochet — Anchor 2 physics-ball survivor.
3   
4     Entry point. Owns:
5       - configuration (resolution, render mode, monitor)
6       - palette and constants
7       - physics setup (tags, collisions, sensors)
8       - layers (game, mask, ui), camera
9       - entity collections and spawn timer
10      - init (instantiate chamber, ball, start enemy spawn timer)
11      - the global update(dt) and draw() the engine calls each frame
12      - small UI helpers (border-zone hairline)
13  
14    Delegates:
15      - dot_shader.lua  — manga-halftone reveal shader; loads + sets uniforms
16      - entities.lua    — chamber, ball, projectile, hit_burst, enemy classes
17                          and their spawn helpers
18  
19    See design.md for visual rules.
20  ]]
21  
22  require('anchor')({
23    width            = 1920,
24    height           = 1080,
25    title            = "Ricochet",
26    scale            = 1,
27    filter           = "smooth",
28    render_uncapped  = true,         -- vsync-paced render; 60Hz cap is for pixel-art
29    display          = 0,            -- primary monitor
30  })
... [244 more lines]

1    require('anchor')({ width = 480, height = 270, scale = 3 })
2   
3   -- Game dimensions
4   gw, gh = an.width, an.height
5   
6   
7   -- Twitter emoji color palette
8   white = color(255, 255, 255)
9   black = color(0, 0, 0)
10  gray = color(128, 128, 128)
11  bg_color = color(48, 49, 50)
12  fg = color(231, 232, 233)
13  fg_dark = color(201, 202, 203)
14  yellow = color(253, 205, 86)
15  star_yellow = color(255, 172, 51)
16  orange = color(244, 146, 0)
17  blue = color(83, 175, 239)
18  green = color(122, 179, 87)
19  red = color(223, 37, 64)
20  purple = color(172, 144, 216)
21  brown = color(193, 105, 79)
22  bowstring = color(217, 158, 130)
23  debug_draw_enabled = false
24  wall_color = fg:clone():mix(yellow, 0.1)
25  
26  -- Sky colors (subtle blue gradient)
27  sky_top = color(135, 206, 235)     -- light sky blue
28  sky_bottom = color(231, 232, 233)  -- same as fg (off-white)
29  
30  -- Camera (must be created before layers, which default to an.camera)
... [170 more lines]

1    # Ricochet — design
2   
3   ## The game
4   
5   A square chamber sits at the center of the screen with a ball bouncing inside.
6   Every wall hit spawns a projectile that flies outward (radial from the chamber
7   center through the ball's position) and homes on the nearest enemy within a 60°
8   cone ahead of it. Enemies spawn from screen edges, seek the chamber, and
9   physically collide with the outer walls (pushed back on contact, Orblike-style).
10  Projectiles kill them.
11  
12  The chamber *is* the player — no separate avatar. The bounce-and-shoot engine
13  runs on autopilot. All active player agency lives one layer above it.
14  
15  ## Card / mana layer (Artifact-style)
16  
17  - **Deck drafting** before a run: build a deck from the available pool.
18  - **Each turn**: draw 2 cards, refresh a mana pool.
19  - **Spend mana** to play cards. Cards are the mod layer on top of the autopilot
20    engine: more mana, extra draw, add/modify a ball, change projectile behavior,
21    trigger burst attacks, buff/debuff, etc.
22  
23  Cards are the only active input during a run. Drafting + on-turn decisions are
24  where the game is actually played.
25  
26  ## v0 prototype
27  
28  Core loop is built and confirmed fun to watch (2026-04-23). Source archived at
29  `reference/main.lua`. A new instance will start a fresh main.lua using that as
30  a base.
... [273 more lines]

outline.frag
outline_only.frag
recolor.frag
shadow.frag

1    // Outline shader - samples neighbors to detect alpha edges
2   // Outputs black where any neighbor has alpha, creating silhouette outline
3   in vec2 TexCoord;
4   out vec4 FragColor;
5   uniform sampler2D u_texture;
6   uniform vec2 u_pixel_size;
7   
8   void main() {
9       // Sample center pixel
10      vec4 center = texture(u_texture, TexCoord);
11  
12      // Sample 24 neighbors in 5x5 grid (excluding center)
13      float x = u_pixel_size.x;
14      float y = u_pixel_size.y;
15  
16      float a = 0.0;
17      // Row -2
18      a += texture(u_texture, TexCoord + vec2(-2.0*x, -2.0*y)).a;
19      a += texture(u_texture, TexCoord + vec2(-1.0*x, -2.0*y)).a;
20      a += texture(u_texture, TexCoord + vec2( 0.0,   -2.0*y)).a;
21      a += texture(u_texture, TexCoord + vec2( 1.0*x, -2.0*y)).a;
22      a += texture(u_texture, TexCoord + vec2( 2.0*x, -2.0*y)).a;
23      // Row -1
24      a += texture(u_texture, TexCoord + vec2(-2.0*x, -1.0*y)).a;
25      a += texture(u_texture, TexCoord + vec2(-1.0*x, -1.0*y)).a;
26      a += texture(u_texture, TexCoord + vec2( 0.0,   -1.0*y)).a;
27      a += texture(u_texture, TexCoord + vec2( 1.0*x, -1.0*y)).a;
28      a += texture(u_texture, TexCoord + vec2( 2.0*x, -1.0*y)).a;
29      // Row 0 (skip center)
30      a += texture(u_texture, TexCoord + vec2(-2.0*x,  0.0)).a;
... [25 more lines]

1    // Shadow shader - creates a dark, semi-transparent silhouette
2   // Draw this layer at an offset to create drop shadow effect
3   
4   in vec2 TexCoord;
5   out vec4 FragColor;
6   uniform sampler2D u_texture;
7   
8   void main() {
9       float a = texture(u_texture, TexCoord).a;
10      FragColor = vec4(0.5, 0.5, 0.5, a * 0.5);
11  }
12  

1    // Outline-only shader - draws black only at edges (transparent pixels next to non-transparent)
2   // Unlike regular outline shader, this doesn't fill the interior
3   in vec2 TexCoord;
4   out vec4 FragColor;
5   uniform sampler2D u_texture;
6   uniform vec2 u_pixel_size;
7   
8   void main() {
9       // Sample center pixel
10      vec4 center = texture(u_texture, TexCoord);
11  
12      // If center pixel is not transparent, output nothing (don't fill interior)
13      if (center.a > 0.1) {
14          FragColor = vec4(0.0, 0.0, 0.0, 0.0);
15          return;
16      }
17  
18      // Center is transparent - check if any neighbor is non-transparent
19      float x = u_pixel_size.x;
20      float y = u_pixel_size.y;
21  
22      float a = 0.0;
23  
24      // Sample 24 neighbors in 5x5 grid (excluding center) - matches outline.frag
25      // Row -2
26      a += texture(u_texture, TexCoord + vec2(-2.0*x, -2.0*y)).a;
27      a += texture(u_texture, TexCoord + vec2(-1.0*x, -2.0*y)).a;
28      a += texture(u_texture, TexCoord + vec2( 0.0,   -2.0*y)).a;
29      a += texture(u_texture, TexCoord + vec2( 1.0*x, -2.0*y)).a;
30      a += texture(u_texture, TexCoord + vec2( 2.0*x, -2.0*y)).a;
... [33 more lines]

200  an:sound('grass_land_3', 'assets/grass_land3.ogg')
201 an:sound('grass_impact_1', 'assets/grass_impact1.ogg')
202 an:sound('grass_impact_2', 'assets/grass_impact2.ogg')
203 an:sound('grass_impact_3', 'assets/grass_impact3.ogg')
204 an:sound('hop', 'assets/hop.ogg')
205 an:sound('concrete_1', 'assets/concrete_2.ogg')
206 an:sound('concrete_2', 'assets/concrete_5.ogg')
207 an:sound('concrete_3', 'assets/concrete_8.ogg')
208 an:sound('dagger_swing_1', 'assets/dagger_swing_1.ogg')
209 an:sound('dagger_swing_2', 'assets/dagger_swing_2.ogg')
210 an:sound('dagger_swing_3', 'assets/dagger_swing_8.ogg')
211 an:sound('dagger_swing_4', 'assets/dagger_swing_9.ogg')
212 an:sound('dagger_swing_5', 'assets/dagger_swing_10.ogg')
213 an:sound('bow_draw_1', 'assets/bow_string_drawing_fast_2.ogg')
214 an:sound('bow_draw_2', 'assets/drawing_bow_backwards_6.ogg')
215 an:sound('bow_draw_3', 'assets/drawing_bow_backwards_9.ogg')
216 -- an:sound('bow_release_3', 'assets/releasing_bow_string_8.ogg')
217 an:sound('sword_swing_1', 'assets/light_sword_swing_2.ogg')
218 an:sound('sword_swing_2', 'assets/light_sword_swing_3.ogg')
219 an:sound('sword_swing_3', 'assets/light_sword_swing_14.ogg')
220 an:sound('sword_swing_4', 'assets/light_sword_swing_9.ogg')
221 -- an:sound('arrow_hit_wall_1', 'assets/arrow_hit_wall_1.ogg')
222 an:sound('arrow_hit_wall_2', 'assets/arrow_hit_wall_2.ogg')
223 -- an:sound('dagger_crit1', 'assets/dagger_crit1.ogg')
224 -- an:sound('sword_impact_body_1', 'assets/sword_impact_body_1.ogg')
225 -- an:sound('sword_wood_impact_1', 'assets/sword_wood_impact_1.ogg')
226 -- an:sound('sword_wood_impact_2', 'assets/sword_wood_impact_2.ogg')
227 an:sound('sword_impact_dirt', 'assets/sword_impact_dirt.ogg')
228 an:sound('wind_small_impact_1', 'assets/wind_small_impact_1.ogg')
229 -- an:sound('wind_small_impact_2', 'assets/wind_small_impact_2.ogg')
... [170 more lines]

E:/a327ex/Anchor2/docs/:
ENGINE_API.md
ENGINE_API_QUICK.md
FRAMEWORK_API.md
FRAMEWORK_API_QUICK.md

E:/a327ex/Anchor2/framework/:
anchor/
run-web.bat
run.bat

E:/a327ex/Anchor2/framework/anchor/:
animation.lua
array.lua
camera.lua
class.lua
collider.lua
color.lua
font.lua
helpers.lua
image.lua
init.lua
input.lua
layer.lua
math.lua
memory.lua
object.lua
physics.lua
shake.lua
spring.lua
spritesheet.lua
timer.lua

E:/a327ex/Ricochet/anchor/:
animation.lua
array.lua
camera.lua
class.lua
collider.lua
color.lua
font.lua
... [13 more lines]

1    # Framework API Quick Reference
2   
3   Function signatures for the Anchor 2 Lua framework. See `FRAMEWORK_API.md` for
4   detailed documentation with examples.
5   
6   **Architecture.** Anchor 2 is mostly procedural: most modules are plain functions that
7   take state as the first argument (e.g. `timer_update(self.timer, dt)`). The only
8   framework classes are `collider` (body+shape bundling and steering behaviors) and
9   thin wrappers around resource handles (`font`, `spritesheet`, `image`). Game
10  entities are your own classes created with `class()`.
11  
12  **No `an` god-object. No object tree. No action phases.** The game owns its
13  main loop; update and draw are top-level globals the engine calls directly.
14  
15  ---
16  
17  ## Initialization
18  
19  ```lua
20  require('anchor')({
21    width = 480,        -- game resolution width (default: 480)
22    height = 270,       -- game resolution height (default: 270)
23    title = "My Game",  -- window title (default: "Anchor")
24    scale = 3,          -- initial window scale (default: 3)
25    vsync = true,       -- vertical sync (default: true)
26    fullscreen = false, -- start fullscreen (default: false)
27    resizable = true,   -- window resizable (default: true)
28    filter = "rough",   -- "rough" or "smooth" (default: "rough")
29    render_uncapped = false,  -- false (default): cap render at 60Hz for
30                              --   chunky pixel-art motion on high-refresh
... [714 more lines]

1    --[[
2     dot-grid reveal shader.
3   
4     Input  : mask_layer's alpha channel
5     Output : a noise-warped grid of ink dots wherever the mask is non-transparent
6   
7     The project's secondary visual language — see design.md § Dotted motif. The
8     screen vertex shader provides TexCoord; u_texture is auto-bound to the layer's
9     source texture by the engine.
10  
11    Within the mask region the shader outputs a mix of paper (gap) and ink (dot).
12    Fragment alpha = mask_a so the layer composite either fully replaces
13    game_layer content (mask_a near 1) or partly blends into it (mask_a < 1).
14    The paper-color gaps "carve out" a clean dotted patch over the chamber and
15    other game_layer geometry instead of letting them show through between dots.
16  
17    Static value-noise (per-cell, not per-frame) modulates each dot's radius for
18    the warped/organic feel.
19  
20    Depends on the following globals being defined before this file is required:
21      width, height, ink_color, paper_color
22      GRID_SPACING, GRID_BASE_RADIUS, GRID_NOISE_SCALE, GRID_NOISE_AMOUNT
23  ]]
24  
25  local DOT_SHADER_SRC = [[
26  in vec2 TexCoord;
27  out vec4 FragColor;
28  
29  uniform sampler2D u_texture;
30  uniform vec2  u_resolution;
... [54 more lines]

1    @echo off
2   REM Run Ricochet. CWD must be repo root; engine receives the game folder name.
3   
4   cd /d "%~dp0.."
5   "%~dp0anchor.exe" ricochet
6   

E:/a327ex/Anchor2/arena/:
ARENA_PROGRESS.md
anchor/
anchor.exe*
assets/
main.lua
run.bat

E:/a327ex/Ricochet/assets/:
LanaPixel.ttf

1    @echo off
2   REM Run arena test game. CWD must be repo root; first arg is the game folder name.
3   
4   cd /d "%~dp0.."
5   "%~dp0anchor.exe" arena
6   

-rwxr-xr-x 1 adn 197121 4177408 Apr 17 10:31 E:/a327ex/Anchor2/arena/anchor.exe*
-rwxr-xr-x 1 adn 197121 4179968 Apr 24 20:30 E:/a327ex/Ricochet/anchor.exe*

E:/a327ex/Anchor2/framework/:
total 14
drwxr-xr-x 1 adn 197121   0 Apr 15 11:12 ./
drwxr-xr-x 1 adn 197121   0 Apr 17 10:27 ../
drwxr-xr-x 1 adn 197121   0 Apr 24 20:22 anchor/
-rw-r--r-- 1 adn 197121 284 Apr 13 09:47 run-web.bat
-rw-r--r-- 1 adn 197121  56 Apr 13 09:47 run.bat

E:/a327ex/Anchor2/framework/anchor/:
total 178
drwxr-xr-x 1 adn 197121     0 Apr 24 20:22 ./
drwxr-xr-x 1 adn 197121     0 Apr 15 11:12 ../
-rw-r--r-- 1 adn 197121  4324 Apr 14 22:26 animation.lua
-rw-r--r-- 1 adn 197121 16638 Apr 15 10:39 array.lua
-rw-r--r-- 1 adn 197121  6186 Apr 14 22:25 camera.lua
-rw-r--r-- 1 adn 197121   806 Apr 13 23:00 class.lua
-rw-r--r-- 1 adn 197121 15061 Apr 17 08:59 collider.lua
-rw-r--r-- 1 adn 197121  4877 Apr 14 22:26 color.lua
-rw-r--r-- 1 adn 197121  1328 Apr 17 10:27 font.lua
-rw-r--r-- 1 adn 197121   590 Apr 14 23:23 helpers.lua
-rw-r--r-- 1 adn 197121   631 Apr 14 22:25 image.lua
-rw-r--r-- 1 adn 197121  6524 Apr 24 20:22 init.lua
-rw-r--r-- 1 adn 197121  2188 Apr 13 23:23 input.lua
-rw-r--r-- 1 adn 197121  9128 Apr 17 10:27 layer.lua
-rw-r--r-- 1 adn 197121 19930 Apr 13 23:04 math.lua
-rw-r--r-- 1 adn 197121  6937 Apr 22 14:10 memory.lua
-rw-r--r-- 1 adn 197121  3276 Apr 13 23:01 object.lua
-rw-r--r-- 1 adn 197121  7366 Apr 14 04:30 physics.lua
-rw-r--r-- 1 adn 197121  8631 Apr 13 23:10 shake.lua
-rw-r--r-- 1 adn 197121  2957 Apr 13 23:04 spring.lua
-rw-r--r-- 1 adn 197121   964 Apr 14 22:25 spritesheet.lua
-rw-r--r-- 1 adn 197121 16054 Apr 13 23:03 timer.lua

E:/a327ex/Ricochet/anchor/:
total 178
drwxr-xr-x 1 adn 197121     0 Apr 24 20:19 ./
drwxr-xr-x 1 adn 197121     0 Apr 25 11:59 ../
-rw-r--r-- 1 adn 197121  4312 Apr 23 23:25 animation.lua
... [19 more lines]

1    --[[
2     Layer module — procedural API over the engine layer handle.
3   
4     Layers are FBOs that accumulate draw commands during the frame. Commands are
5     deferred and processed via layer_render() with GL batching. Composite to the
6     screen with layer_draw().
7   
8     Usage:
9       game_layer = layer_new('game')
10      layer_rectangle(game_layer, 100, 100, 50, 30, color)
11      layer_render(game_layer)
12      layer_draw(game_layer)
13  
14    State table shape (from layer_new): { name, handle, parallax_x, parallax_y }
15    All layer_* functions below take that table as the first argument `lyr`.
16  
17    ---------------------------------------------------------------------------
18    ENGINE NAME CONFLICTS (Lua globals registered by anchor.c)
19  
20    The C engine binds the same symbol names to raw engine implementations whose
21    first argument is a C layer pointer (lightuserdata), e.g. layer_rectangle(ptr, ...).
22  
23    This file captures those implementations in `eng` at load time, then REPLACES
24    the globals with wrappers whose first argument is a layer state table from
25    layer_new() (field .handle holds the pointer). Wrappers also accept a raw
26    handle for occasional interop.
27  
28    After require('anchor.layer'), direct engine-style calls like
29    layer_rectangle(userdata_ptr, x, y, w, h, c) no longer use the C binding
30    unless you passed a lightuserdata: the wrapper treats a non-table first arg
... [245 more lines]

38:shader_set_float_immediate(shader, name, value)
39:shader_set_vec2_immediate(shader, name, x, y)
40:shader_set_vec4_immediate(shader, name, x, y, z, w)
41:shader_set_int_immediate(shader, name, value)
101:shader_load_file(path) -> shader
102:shader_load_string(source) -> shader
104:layer_shader_set_float(layer, shader, name, value)
105:layer_shader_set_vec2(layer, shader, name, x, y)
106:layer_shader_set_vec4(layer, shader, name, x, y, z, w)
107:layer_shader_set_int(layer, shader, name, value)
108:layer_shader_set_texture(layer, shader, name, texture_id, unit)

80   music_set_volume(volume, channel?)
81  music_get_volume(channel) -> number
82  music_is_playing(channel) -> bool
83  music_at_end(channel) -> bool
84  music_get_position(channel) -> number
85  music_get_duration(channel) -> number
86  audio_set_master_pitch(pitch)
87  ```
88  
89  ## Utility
90  
91  ```
92  rgba(r, g, b, a?) -> color
93  set_filter_mode(mode)
94  get_filter_mode() -> string
95  timing_resync()
96  ```
97  
98  ## Effect Shaders
99  
100 ```
101 shader_load_file(path) -> shader
102 shader_load_string(source) -> shader
103 shader_destroy(shader)
104 layer_shader_set_float(layer, shader, name, value)
105 layer_shader_set_vec2(layer, shader, name, x, y)
106 layer_shader_set_vec4(layer, shader, name, x, y, z, w)
107 layer_shader_set_int(layer, shader, name, value)
108 layer_shader_set_texture(layer, shader, name, texture_id, unit)
109 layer_apply_shader(layer, shader)
... [20 more lines]

[
  {
    "type": "tool_reference",
    "tool_name": "AskUserQuestion"
  }
]

User has answered your questions: "Game resolution & scale — match EBB exactly?"="480x270 @ scale=3 (Recommended)", "Layer architecture for outline + shadow pipeline?"="Minimal: bg + game + shadow + outline + ui (Recommended)", "Where should I copy the anchor framework from?"="From Ricochet's anchor/ + anchor.exe (Recommended)". You can now continue with the user's answers in mind.

total 4092
drwxr-xr-x 1 adn 197121       0 Apr 25 22:43 ./
drwxr-xr-x 1 adn 197121       0 Apr 25 22:43 ../
drwxr-xr-x 1 adn 197121       0 Apr 25 22:43 anchor/
-rwxr-xr-x 1 adn 197121 4179968 Apr 25 22:43 anchor.exe*
drwxr-xr-x 1 adn 197121       0 Apr 25 22:43 assets/

E:/a327ex/emoji-ball-bounce/anchor/:
animation.lua
array.lua
camera.lua
class.lua
collider.lua
color.lua
font.lua
helpers.lua
image.lua
init.lua
input.lua
layer.lua
math.lua
memory.lua
object.lua
physics.lua
shake.lua
spring.lua
spritesheet.lua
timer.lua

E:/a327ex/emoji-ball-bounce/assets/:
outline.frag
shadow.frag

File created successfully at: E:/a327ex/emoji-ball-bounce/run.bat (file state is current in your context — no need to Read it back)

File created successfully at: E:/a327ex/emoji-ball-bounce/main.lua (file state is current in your context — no need to Read it back)

OK

11:bg_color = color(48, 49, 50)
27:sky_top = color(135, 206, 235)     -- light sky blue
28:sky_bottom = color(231, 232, 233)  -- same as fg (off-white)
341:  bg:draw()
612:  bg:rectangle_gradient_v(0, 0, gw, gh, sky_top(), sky_bottom())
2939:  self.bg_color = args.bg_color or black()
2953:    ui:rounded_rectangle(-self.w/2, -self.h/2, self.w, self.h, 3, self.bg_color)
2976:  self.bg_color = args.bg_color or color(0, 0, 0, 160)
3003:    ui:rounded_rectangle(-self.w/2, -self.h/2, self.w, self.h, 2, self.bg_color())

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

E:/a327ex/emoji-ball-bounce/:
anchor/
anchor.exe*
assets/
main.lua
reference/
run.bat

E:/a327ex/reference/:
experimental-visual-games-steam-research.md
noita-wand-composition-system.md
personal-knowledge-capture-research.md
poe2-meta-modifier-mechanics.md
star-of-providence-research.md
switch_sports_goal.mp4
switch_sports_goal_2.mp4
switch_sports_goal_2_frames/
switch_sports_goal_frames/
switch_sports_goal_frames_full/
tomodachi_life_border.mp4
tomodachi_life_border_frames/
tomodachi_life_button_1.mp4
tomodachi_life_button_1_frames/
tomodachi_life_button_2.mp4
tomodachi_life_button_2_frames/
visual_effects.md

emoji-merge-main/
emojunky-one/
super emoji box/
super emoji pop/
super-emoji-box/
super-emoji-invaders/
super-emoji-pop-prototype/

LICENSE
README.md
anchor/
assets/
bin/
builds/
conf.lua
main.lua

293:  main:level_add('arena', arena())
294:  main:level_goto('arena')
413:--{{{ arena
414:arena = class:class_new(anchor)
415:function arena:new(x, y, args)
416:  self:anchor_init('arena', args)
426:function arena:enter()
518:function arena:update(dt)
641:            main:level_goto('arena')
663:function arena:exit()
702:function arena:drop_emoji()
730:function arena:choose_next_emoji()
742:function arena:merge_emojis(a, b, x, y)
772:function arena:end_round()
861:      if object.body then -- BUG: when the game ends and the arena is filled it happened once that an emoji object didn't have a body anymore, don't know why so this is here
1167:function arena:spawn_plants()
1172:      self.plants:container_add(arena_plant(x + 5*math.cos(r - math.pi/2), y + 5*math.sin(r - math.pi/2), {w = 11, h = 11, layer = game1, emoji = 'seedling', direction = direction}))
1173:      self.plants:container_add(arena_plant(x + 5*math.cos(r + math.pi/2), y + 5*math.sin(r + math.pi/2), {w = 15, h = 15, layer = game1, emoji = 'sheaf', direction = direction}))
1175:      self.plants:container_add(arena_plant(x + 5*math.cos(r - math.pi/2), y + 5*math.sin(r - math.pi/2), {w = 11, h = 11, layer = game1, emoji = 'seedling', direction = direction}))
1176:      self.plants:container_add(arena_plant(x + 5*math.cos(r + math.pi/2), y + 5*math.sin(r + math.pi/2), {w = 15, h = 15, layer = game3, emoji = 'seedling', direction = direction}))
1178:      self.plants:container_add(arena_plant(x + 8*math.cos(r - math.pi/2), y + 8*math.sin(r - math.pi/2), {w = 11, h = 11, layer = game1, emoji = 'sheaf', direction = direction}))
1179:      self.plants:container_add(arena_plant(x + 0*math.cos(r - math.pi/2), y + 0*math.sin(r - math.pi/2), {w = 20, h = 20, layer = game1, emoji = 'seedling', direction = direction}))
1180:      self.plants:container_add(arena_plant(x + 8*math.cos(r + math.pi/2), y + 8*math.sin(r + math.pi/2), {w = 15, h = 15, layer = game1, emoji = 'sheaf', direction = direction}))
1182:      self.plants:container_add(arena_plant(x + 8*math.cos(r - math.pi/2), y + 8*math.sin(r - math.pi/2), {w = 20, h = 20, layer = game3, emoji = 'blossom', direction = direction}))
1183:      self.plants:container_add(arena_plant(x + 1*math.cos(r + math.pi/2), y + 1*math.sin(r + math.pi/2), {w = 15, h = 15, layer = game1, emoji = 'sheaf', direction = direction}))
1184:      self.plants:container_add(arena_plant(x + 10*math.cos(r + math.pi/2), y + 10*math.sin(r + math.pi/2), {w = 11, h = 11, layer = game1, emoji = 'seedling', direction = direction}))
1186:      self.plants:container_add(arena_plant(x + 12*math.cos(r - math.pi/2), y + 12*math.sin(r - math.pi/2), {w = 16, h = 16, layer = game1, emoji = 'sheaf', direction = direction}))
1187:      self.plants:container_add(arena_plant(x + 0*math.cos(r + math.pi/2), y + 0*math.sin(r + math.pi/2), {w = 20, h = 20, layer = game3, emoji = 'tulip', direction = direction}))
1188:      self.plants:container_add(arena_plant(x + 12*math.cos(r + math.pi/2), y + 12*math.sin(r + math.pi/2), {w = 12, h = 12, layer = game1, emoji = 'seedling', direction = direction}))
1190:      self.plants:container_add(arena_plant(x + 12*math.cos(r - math.pi/2), y + 12*math.sin(r - math.pi/2), {w = 15, h = 15, layer = game3, emoji = 'sheaf', direction = direction}))
... [14 more lines]

413  --{{{ arena
414 arena = class:class_new(anchor)
415 function arena:new(x, y, args)
416   self:anchor_init('arena', args)
417   self:timer_init()
418   self:observer_init()
419   self.top_spacing, self.bottom_spacing = 40, 20
420   self.w, self.h = 252, 294
421   self.x1, self.y1, self.x2, self.y2 = main.w/2 - self.w/2, self.top_spacing, main.w/2 + self.w/2, main.h - self.bottom_spacing
422   self.score_x, self.next_x = (self.x1-5)/2, self.x2 + 5 + (main.w - (self.x2 + 5))/2 + 1
423   self.chain_amount = 0
424 end
425 
426 function arena:enter()
427   bg_color = colors.blue[10]:color_clone()
428   bg_gradient = bg_1
429   for _, cloud in ipairs(main.clouds) do cloud.emoji = images.cloud end
430 
431   main:music_player_play_song(sounds.closed_shop, 0.375)
432 
433   self.emojis = container()
434   self.plants = container()
435   self.objects = container()
436   self.merge_objects = {}
437   self.chain_amount = 0
438 
439   -- Solids
440   self.solid_top = self.objects:container_add(solid(main.w/2, -120, 2*self.w, 10))
441   self.solid_bottom = self.objects:container_add(solid(main.w/2, self.y2, self.w, 10))
442   self.solid_left = self.objects:container_add(solid(self.x1, self.y2 - self.h/2, 10, self.h + 10))
... [90 more lines]

1612:solid = class:class_new(anchor)
1613:function solid:new(x, y, w, h, args)
1624:function solid:update(dt)

1612 solid = class:class_new(anchor)
1613    function solid:new(x, y, w, h, args)
1614      self:anchor_init('solid', args)
1615      self:prs_init(x, y)
1616      self:collider_init('solid', self.body_type or 'static', 'rectangle', w, h)
1617      self:collider_set_friction(1)
1618      self:hitfx_init()
1619      self:timer_init()
1620      self:shake_init()
1621      self.gray_color = color(161, 161, 161)
1622    end
1623    
1624    function solid:update(dt)
1625      self:collider_update_position_and_angle()
1626      game2:push(self.x, self.y, self.r)
1627      game2:rectangle(self.x + self.shake_amount.x, self.y + self.shake_amount.y, self.w*self.springs.main.x, self.h*self.springs.main.x, 4, 4, 
1628        (self.dying and self.gray_color) or (self.flashes.main.x and colors.white[0]) or (colors.green[0]))
1629      game2:pop()
1630      if self.dying then return end
1631      game3:push(self.x, self.y, self.r)
1632      game3:rectangle(self.x + self.shake_amount.x, self.y + self.shake_amount.y, self.w*self.springs.main.x, self.h*self.springs.main.x, 4, 4, 
1633        (self.dying and self.gray_color) or (self.flashes.main.x and colors.white[0]) or (colors.green[0]))
1634      game3:pop()
1635    end
1636    
1637    
1638    emoji_merge_effect = class:class_new(anchor)
1639    function emoji_merge_effect:new(x, y, args)
1640      self:anchor_init('emoji_merge_effect', args)
1641      self:prs_init(x, y)
... [30 more lines]

1628:    (self.dying and self.gray_color) or (self.flashes.main.x and colors.white[0]) or (colors.green[0]))
1633:    (self.dying and self.gray_color) or (self.flashes.main.x and colors.white[0]) or (colors.green[0]))

E:\a327ex\emoji-ball-bounce\reference\emoji-merge-main\anchor\gradient_image.lua:3:  local colors = {...}
E:\a327ex\emoji-ball-bounce\reference\emoji-merge-main\anchor\gradient_image.lua:7:      local color = colors[i]
E:\a327ex\emoji-ball-bounce\reference\emoji-merge-main\anchor\gradient_image.lua:14:      local color = colors[i]
E:\a327ex\emoji-ball-bounce\reference\emoji-merge-main\anchor\init.lua:271:    colors = {
E:\a327ex\emoji-ball-bounce\reference\emoji-merge-main\anchor\init.lua:286:    colors = {
E:\a327ex\emoji-ball-bounce\reference\emoji-merge-main\anchor\init.lua:295:      green = color_ramp(color(139, 191, 64), 0.025),
E:\a327ex\emoji-ball-bounce\reference\emoji-merge-main\anchor\init.lua:300:    colors = {
E:\a327ex\emoji-ball-bounce\reference\emoji-merge-main\anchor\init.lua:309:      green = color_ramp(color('#79b159'), 0.025),
E:\a327ex\emoji-ball-bounce\reference\emoji-merge-main\anchor\init.lua:314:    colors = {
E:\a327ex\emoji-ball-bounce\reference\emoji-merge-main\anchor\init.lua:323:      green = color_ramp(color(122, 179, 87), 0.025),
E:\a327ex\emoji-ball-bounce\reference\emoji-merge-main\anchor\init.lua:329:    colors = {
E:\a327ex\emoji-ball-bounce\reference\emoji-merge-main\anchor\init.lua:338:      green = color_ramp(color(125, 180, 64), 0.025),

280        gray5 = color_ramp(color(224, 224, 224), 0.025),
281       red1 = color_ramp(color(140, 50, 50), 0.025),
282       red2 = color_ramp(color(192, 63, 46), 0.025),
283       red3 = color_ramp(color(223, 173, 163), 0.025),
284     }
285   elseif main.theme == 'snkrx' then
286     colors = {
287       white = color_ramp(color(1, 1, 1, 1), 0.025),
288       black = color_ramp(color(0, 0, 0, 1), 0.025),
289       gray = color_ramp(color(0.5, 0.5, 0.5, 1), 0.025),
290       bg = color_ramp(color(48, 48, 48), 0.025),
291       fg = color_ramp(color(218, 218, 218), 0.025),
292       yellow = color_ramp(color(250, 207, 0), 0.025),
293       orange = color_ramp(color(240, 112, 33), 0.025),
294       blue = color_ramp(color(1, 155, 214), 0.025),
295       green = color_ramp(color(139, 191, 64), 0.025),
296       red = color_ramp(color(233, 29, 57), 0.025),
297       purple = color_ramp(color(142, 85, 158), 0.025),
298     }
299   elseif main.theme == 'bytepath' then -- https://coolors.co/191516-f5efed-52b3cb-b26ca1-79b159-ffb833-f4903e-d84654
300     colors = {
301       white = color_ramp(color(1, 1, 1, 1), 0.025),
302       black = color_ramp(color(0, 0, 0, 1), 0.025),
303       gray = color_ramp(color(0.5, 0.5, 0.5, 1), 0.025),
304       bg = color_ramp(color('#111111'), 0.025),
305       fg = color_ramp(color('#dedede'), 0.025),
306       yellow = color_ramp(color('#ffb833'), 0.025),
307       orange = color_ramp(color('#f4903e'), 0.025),
308       blue = color_ramp(color('#52b3cb'), 0.025),
309       green = color_ramp(color('#79b159'), 0.025),
... [40 more lines]

ball_wall.ogg
dagger_ball.ogg
slight_smile.png

-rw-r--r-- 1 adn 197121 19583 Feb 25  2024 E:/a327ex/emoji-ball-battles/assets/slight_smile.png
70:an:image('slight_smile', 'assets/slight_smile.png')
1766:ball = object:extend()
1768:function ball:new(x, y, team, weapon_type)
2055:function ball:update(dt)
2406:function ball:take_damage(amount, source)
2463:function ball:flash_weapon(duration)
2469:function ball:recoil_weapon(duration)
2485:function ball:gun_is_aligned()
2502:function ball:fire_single_shot()
2530:function ball:gun_fire()
2551:function ball:sword_is_aligned()
2567:function ball:sword_thrust()
2600:function ball:thrust_end()
2616:function ball:bow_is_aligned()
2632:function ball:bow_fire()
2677:function ball:fire_single_arrow(shot_id, release_duration, sy_duration, recoil_duration)
2700:function ball:bow_start_pull(duration)
2706:function ball:boomerang_check_side_safe(side)
2717:function ball:boomerang_can_fire()
2730:function ball:boomerang_fire()
2756:function ball:kitchen_knife_is_aligned()
2779:function ball:kitchen_knife_spin_attack()
2800:function ball:kitchen_knife_fire_one()
2845:function ball:kitchen_knife_spin_end()
2854:function ball:cd_is_aligned()
2878:function ball:cd_fire()
2903:function ball:flash_ball(duration)
2910:function ball:squash(normal_x, normal_y, amount)
2924:function ball:start_moving()

1766 ball = object:extend()
1767    
1768    function ball:new(x, y, team, weapon_type)
1769      self.x, self.y, self.team = x, y, team
1770      self.weapon_type = weapon_type or 'dagger'
1771      object.new(self)
1772      self:tag('ball')
1773      self.image = self.team == 'player' and an.images.no_mouth or an.images.no_mouth
1774      self.image_hit = self.team == 'player' and an.images.no_mouth_hit or an.images.no_mouth_hit
1775      self.radius = 10
1776      self.scale = 2*self.radius/self.image.width
1777      if self.image == an.images.cowboy then -- cowboy is visually larger
1778        self.scale = 1.125*self.scale
1779      end
1780    
1781      -- Weapon-specific code uses explicit switches with repeated code per weapon rather than
1782      -- shared abstractions. For this codebase, locality matters more than code reuse — having
1783      -- all behavior for each weapon visible in one place is clearer than factoring out shared
1784      -- patterns across weapons.
1785      if self.weapon_type == 'gun' then
1786        self.weapon_class = 'ranged'
1787        self.weapon_image = an.images.gun
1788        self.weapon_visual_offset = 21
1789        self.weapon_perpendicular_offset = 2
1790        self.weapon_hitbox_offset = 21
1791        self.weapon_hitbox_length = 20
1792        self.weapon_hitbox_width = 12
1793        self.weapon_scale = 18/512 -- gun.png is 512x512
1794        self.weapon_scale_y = -18/512 -- y flipped
1795        self.weapon_rotation_offset = math.pi -- gun points left, rotate to point outward
... [90 more lines]

2055 function ball:update(dt)
2056      -- When paused, use dt = 0 so physics logic doesn't run
2057      if self.parent.paused then dt = 0 end
2058    
2059      -- Read angle from physics
2060      self.angle = self.collider:get_angle()
2061    
2062      -- Angular velocity guardrails (skip during thrust)
2063      local angular_velocity = self.collider:get_angular_velocity()
2064      local angular_speed = math.abs(angular_velocity)
2065      local angular_sign = math.sign(angular_velocity)
2066    
2067      if not self.thrusting then
2068        if angular_speed > self.base_angular_velocity then
2069          self.time_above_base = self.time_above_base + dt
2070          self.time_below_base = 0
2071          if self.time_above_base > self.above_base_grace_period then
2072            -- Decay toward base (90% of distance in 1 second)
2073            local new_speed = math.lerp_dt(0.9, 1, dt, angular_speed, self.base_angular_velocity)
2074            self.collider:set_angular_velocity(angular_sign*new_speed)
2075          end
2076        elseif angular_speed < self.base_angular_velocity then
2077          self.time_below_base = self.time_below_base + dt
2078          self.time_above_base = 0
2079          if self.time_below_base > self.below_base_grace_period then
2080            -- Increase toward base (90% of distance in 0.5 seconds)
2081            local new_speed = math.lerp_dt(0.9, 0.5, dt, angular_speed, self.base_angular_velocity)
2082            self.collider:set_angular_velocity(angular_sign*new_speed)
2083          end
2084        else
... [90 more lines]

444:  self.max_ball_speed = 448
548:      self.x = self.x + self.speed*dt
592:     Solution: Track system_energy (sum of both ball speeds) on ball-ball collisions.
606:     Also cap linear speed at @max_ball_speed and angular velocity at ball.max_angular_velocity.
608:  Speed is capped at @max_ball_speed to prevent things from getting too chaotic.
678:    -- Track high speed hits (either ball > 0.78*@max_ball_speed)
679:    local is_high_speed_hit = max_speed > 0.78*self.max_ball_speed
700:      local speed_ratio = math.remap(max_speed, 0, self.max_ball_speed, 0, 1)
745:    -- Cap speed at @max_ball_speed
747:    if speed_a > self.max_ball_speed then
748:      local scale = self.max_ball_speed/speed_a
754:    if speed_b > self.max_ball_speed then
755:      local scale = self.max_ball_speed/speed_b
761:    local is_low_horizontal = math.abs(vx_a) + math.abs(vx_b) < 0.25*self.max_ball_speed
777:    ball_a.collider:set_velocity(vx_a, vy_a)
778:    ball_b.collider:set_velocity(vx_b, vy_b)
816:    -- Cap speed at @max_ball_speed
818:    if speed_a > self.max_ball_speed then
819:      local scale = self.max_ball_speed/speed_a
825:    if speed_b > self.max_ball_speed then
826:      local scale = self.max_ball_speed/speed_b
831:    ball_a.collider:set_velocity(vx_a, vy_a)
832:    ball_b.collider:set_velocity(vx_b, vy_b)
901:      ball_object.collider:set_velocity(vx*self.wall_energy_boost, vy*self.wall_energy_boost)
1021:      local target_speed = math.max(post_speed, projectile_object.base_speed or 0)
1023:        projectile_object.collider:set_velocity(pvx/post_speed*target_speed, pvy/post_speed*target_speed)
2149:      self.collider:set_velocity(speed*math.cos(self.thrust_angle), speed*math.sin(self.thrust_angle))
3971:    self.spiral_target_speed = args.velocity or 200
4002:    self.collider:set_velocity(self.boomerang_speed*math.cos(self.boomerang_move_angle), self.boomerang_speed*math.sin(self.boomerang_move_angle))
4041:    self.collider:set_velocity(self.cd_speed*math.cos(self.cd_move_angle), self.cd_speed*math.sin(self.cd_move_angle))
... [7 more lines]

1    --[[
2     Game entity classes for Ricochet. All defined as globals (Anchor 2 framework
3     convention) so main.lua can construct and reference them directly. Each
4     entity follows :new(args) → :update(dt) → :draw() → :destroy(). Some have
5     additional methods (:die, :on_wall_hit) called from main.lua's collision
6     drains.
7   
8     Depends on the following globals being defined before this file is required:
9       palette colors (paper_color, ink_color, etc.)
10      constants (CHAMBER_*, BALL_*, PROJECTILE_*, HOMING_*, MAX_*, FAN_*,
11                 ENEMY_*, HIT_*, etc.)
12      layers (game_layer, mask_layer)
13      collections (balls, projectiles, enemies, effects)
14  ]]
15  
16  -- Signed shortest-path angle difference, result in [-π, π]. Used by the
17  -- projectile homing logic to know which way (and how far) to turn.
18  function angle_diff(a, b)
19    return math.atan(math.sin(b - a), math.cos(b - a))
20  end
21  
22  -- =============================================================================
23  -- chamber — the square arena. Four static box walls bundled on one body; the
24  -- inner edge of each wall sits exactly on the drawn outline, corners overlap
25  -- by wall thickness to seal any gap.
26  --
27  -- Supports runtime resize (:resize) and rotation (:set_angle). Helpers
28  -- (:contains, :wall_normal_for) encapsulate the chamber-local space math
29  -- so callers (ball, projectile) don't need to know about rotation.
30  -- =============================================================================
... [631 more lines]

39:  if main.web then
209:  main.sfx_button = emoji_button(20, main.h - 20, {emoji = 'sound_' .. main.sfx_sound_level, w = 18, action = function(self)
218:  main.music_button = emoji_button(48, main.h - 20, {emoji = 'sound_' .. main.music_sound_level, w = 18, action = function(self)
228:  if not main.web then
229:    main.screen_button = emoji_button(78, main.h - 20, {emoji = 'screen', w = 18, action = function(self)
234:  main.close_button = emoji_button(main.w - 20, 20, {emoji = 'close', w = 18, action = function(self)
242:  local w, h = main.w/8, main.h/6
256:        if self.x <= -80 then self.x = main.w + 80 end
257:        if self.y <= -60 then self.y = main.h + 60 end
258:        if self.y < main.h - 120 then self.color.a = math.clamp(math.remap(self.y - (main.h - 120), -60, 0, 0, 1), 0, 1)

(Bash completed with no output)

1    require 'anchor'
2   
3   --{{{ init
4   function init()
5     main:init{title = 'emoji merge', theme = 'twitter_emoji', w = 640, h = 360, sx = 2, sy = 2}
6     main:set_icon('assets/sunglasses_icon.png')
7   
8     bg, bg_fixed, game1, game2, game3, effects, ui1, ui2, shadow = layer(), layer({fixed = true}), layer(), layer(), layer(), layer(), layer({fixed = true}), layer({fixed = true}), layer({x = 4*main.sx, y = 4*main.sy, shadow = true})
9     game1:layer_add_canvas('outline')
10    game2:layer_add_canvas('outline')
11    game3:layer_add_canvas('outline')
12    effects:layer_add_canvas('outline')
13    ui2:layer_add_canvas('outline')
14  
15    main_font = font('assets/HoneyPigeon.ttf', 22, 'mono')
16    font_2 = font('assets/volkswagen-serial-bold.ttf', 26, 'mono')
17    font_3 = font('assets/volkswagen-serial-bold.ttf', 36, 'mono')
18    font_4 = font('assets/volkswagen-serial-bold.ttf', 46, 'mono')
19  
20    main:input_bind('action_1', {'mouse:1', 'key:z', 'key:h', 'key:j', 'key:space', 'key:enter', 'axis:triggerright', 'button:a', 'button:x'})
21    main:input_bind('action_2', {'mouse:2', 'key:x', 'key:k', 'key:l', 'key:tab', 'key:backspace', 'axis:triggerleft', 'button:b', 'button:y'})
22    main:input_bind('left', {'key:a', 'key:left', 'axis:leftx-', 'axis:rightx-', 'button:dpad_left', 'button:leftshoulder'})
23    main:input_bind('right', {'key:d', 'key:right', 'axis:leftx+', 'axis:rightx+', 'button:dpad_right', 'button:rightshoulder'})
24    main:input_bind('up', {'key:w', 'key:up', 'axis:lefty-', 'axis:righty-', 'button:dpad_up'})
25    main:input_bind('down', {'key:s', 'key:down', 'axis:lefty+', 'axis:righty+', 'button:dpad_down'})
26  
27    colors.calendar_gray = color_ramp(color(102, 117, 127), 0.025)
28  
29    shaders = {}
30    shaders.shadow = shader(nil, 'assets/shadow.frag')
... [20 more lines]

1    --[[
2     image — thin wrapper for GPU texture handles.
3   
4     Usage:
5       images.player = image_load('player', 'assets/player.png')
6       layer_image(game_layer, images.player, 100, 100)
7   
8     An image is a plain table with .handle, .width, .height.
9   ]]
10  
11  image = class()
12  
13  function image:new(handle)
14    self.handle = handle
15    self.width = texture_get_width(handle)
16    self.height = texture_get_height(handle)
17  end
18  
19  -- Load a texture from a file, wrap it, and add to the global `images` table.
20  function image_load(name, path)
21    local handle = texture_load(path)
22    local img = image(handle)
23    if images then images[name] = img end
24    return img
25  end
26  

No matches found

5380:static int l_layer_draw_texture(lua_State* L) {
9079:    lua_register(L, "layer_draw_texture", l_layer_draw_texture);

5380 static int l_layer_draw_texture(lua_State* L) {
5381        Layer* layer = (Layer*)lua_touserdata(L, 1);
5382        Texture* tex = (Texture*)lua_touserdata(L, 2);
5383        float x = (float)luaL_checknumber(L, 3);
5384        float y = (float)luaL_checknumber(L, 4);
5385        uint32_t color = (uint32_t)luaL_optinteger(L, 5, 0xFFFFFFFF);  // Default white (no tint)
5386        uint32_t flash = (uint32_t)luaL_optinteger(L, 6, 0x00000000);  // Default black (no flash)
5387        layer_add_image(layer, tex, x, y, color, flash);
5388        return 0;
5389    }
5390    
5391    static int l_layer_set_blend_mode(lua_State* L) {
5392        Layer* layer = (Layer*)lua_touserdata(L, 1);
5393        const char* mode = luaL_checkstring(L, 2);
5394        if (strcmp(mode, "alpha") == 0) {
5395            layer_set_blend_mode(layer, BLEND_ALPHA);
5396        } else if (strcmp(mode, "additive") == 0) {
5397            layer_set_blend_mode(layer, BLEND_ADDITIVE);
5398        } else {
5399            return luaL_error(L, "Invalid blend mode: %s (use 'alpha' or 'additive')", mode);
5400        }
5401        return 0;
5402    }
5403    
5404    // Stencil Lua bindings
5405    static int l_layer_stencil_mask(lua_State* L) {
5406        Layer* layer = (Layer*)lua_touserdata(L, 1);
5407        layer_stencil_mask(layer);
5408        return 0;
5409    }
... [10 more lines]

2041:static void layer_add_image(Layer* layer, Texture* tex, float x, float y, uint32_t color, uint32_t flash_color) {
5387:    layer_add_image(layer, tex, x, y, color, flash);

2041 static void layer_add_image(Layer* layer, Texture* tex, float x, float y, uint32_t color, uint32_t flash_color) {
2042        DrawCommand* cmd = layer_add_command(layer);
2043        if (!cmd) return;
2044        cmd->type = COMMAND_SPRITE;
2045        cmd->color = color;
2046        cmd->flash_color = flash_color;
2047        cmd->texture_id = tex->id;
2048        cmd->params[0] = x;
2049        cmd->params[1] = y;
2050        cmd->params[2] = (float)tex->width;
2051        cmd->params[3] = (float)tex->height;
2052    }
2053    
2054    // Pack two UV coordinates (0.0-1.0) into a float via bit reinterpretation (16 bits each)
2055    static float pack_uv_pair(float u, float v) {
2056        uint16_t ui = (uint16_t)(u * 65535.0f);
2057        uint16_t vi = (uint16_t)(v * 65535.0f);
2058        uint32_t packed = ((uint32_t)ui) | ((uint32_t)vi << 16);
2059        float result;
2060        memcpy(&result, &packed, sizeof(float));
2061        return result;
2062    }
2063    
2064    // Unpack two UV coordinates from a float
2065    static void unpack_uv_pair(float packed_float, float* u, float* v) {
2066        uint32_t packed;
2067        memcpy(&packed, &packed_float, sizeof(uint32_t));
2068        *u = (packed & 0xFFFF) / 65535.0f;
2069        *v = ((packed >> 16) & 0xFFFF) / 65535.0f;
2070    }
... [5 more lines]

User has answered your questions: "Chamber dimensions for the 480×270 game area?"="100×100, 4px walls (Recommended)", "Chamber rotation — automatic or input-driven?"="Automatic continuous rotation, like Ricochet (Recommended)", "Ball visual — which emoji from EBB?"="slight_smile.png (Recommended)". You can now continue with the user's answers in mind.

378:    COMMAND_SPRITE,
380:    COMMAND_SPRITESHEET_FRAME,  // Spritesheet frame with custom UVs and flash support
413:    uint8_t type;           // COMMAND_RECTANGLE, COMMAND_CIRCLE, COMMAND_SPRITE, COMMAND_APPLY_SHADER, COMMAND_SET_UNIFORM_*
2044:    cmd->type = COMMAND_SPRITE;
2099:    cmd->type = COMMAND_SPRITESHEET_FRAME;

4608:            case COMMAND_SPRITE:
4609-                process_sprite(cmd);
4610-                break;
4611-            case COMMAND_GLYPH:
4612-                process_glyph(cmd);
4613-                break;
4614:            case COMMAND_SPRITESHEET_FRAME:
4615-                process_spritesheet_frame(cmd);
4616-                break;
4617-            case COMMAND_STENCIL_MASK:
4618-                // Flush pending draws before changing stencil state
4619-                batch_flush();
4620-                // Enable stencil, write 1 to stencil buffer, don't draw to color
4621-                glEnable(GL_STENCIL_TEST);
4622-                glStencilFunc(GL_ALWAYS, 1, 0xFF);
4623-                glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
4624-                glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
4625-                break;
4626-            case COMMAND_STENCIL_TEST:
4627-                // Flush pending draws before changing stencil state
4628-                batch_flush();
4629-                // Only draw where stencil == 1
4630-                glStencilFunc(GL_EQUAL, 1, 0xFF);
4631-                glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
4632-                glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
4633-                break;
4634-            case COMMAND_STENCIL_TEST_INVERSE:
4635-                // Flush pending draws before changing stencil state
4636-                batch_flush();
4637-                // Only draw where stencil != 1 (inverse of stencil_test)
... [2 more lines]

4293:static void process_sprite(const DrawCommand* cmd) {

4293 static void process_sprite(const DrawCommand* cmd) {
4294        float x = cmd->params[0];
4295        float y = cmd->params[1];
4296        float w = cmd->params[2];
4297        float h = cmd->params[3];
4298    
4299        // Flush batch if texture changes
4300        if (current_batch_texture != cmd->texture_id && batch_vertex_count > 0) {
4301            batch_flush();
4302        }
4303        current_batch_texture = cmd->texture_id;
4304    
4305        // Image is centered at (x, y), so compute corners
4306        float half_w = w * 0.5f;
4307        float half_h = h * 0.5f;
4308    
4309        // Local corners (centered at x, y)
4310        float lx0 = x - half_w, ly0 = y - half_h;
4311        float lx1 = x + half_w, ly1 = y - half_h;
4312        float lx2 = x + half_w, ly2 = y + half_h;
4313        float lx3 = x - half_w, ly3 = y + half_h;
4314    
4315        // Transform to world coordinates
4316        float wx0, wy0, wx1, wy1, wx2, wy2, wx3, wy3;
4317        transform_point(cmd->transform, lx0, ly0, &wx0, &wy0);
4318        transform_point(cmd->transform, lx1, ly1, &wx1, &wy1);
4319        transform_point(cmd->transform, lx2, ly2, &wx2, &wy2);
4320        transform_point(cmd->transform, lx3, ly3, &wx3, &wy3);
4321    
4322        // Unpack color (used for tinting)
... [10 more lines]

outline.frag
shadow.frag
slight_smile.png

1    --[[
2     Emoji Ball Bounce — Anchor 2.
3   
4     Variant of Ricochet (ball bouncing inside a square, projectiles spawn on
5     wall hits) using the Emoji Ball Battles visual style: chunky pixel art at
6     480x270/scale=3, dark grey background, every actor wrapped in a black
7     pixel outline plus a soft drop shadow.
8   
9     This file is the entry point. Initial scope (rough setup):
10      - window opens at the right size in 'rough' filter mode
11      - background fills with EBB's bg_color
12      - outline + shadow shader pipeline set up
13      - one test circle drawn at screen center to verify the pipeline works
14  
15    Render pipeline (mirrors EBB, simplified to a single source layer):
16      1. queue draws into game_layer (and bg/ui)
17      2. layer_render(...) flushes queued commands to each layer's FBO
18      3. derive shadow_layer  := game_layer + shadow shader
19         derive game_outline  := game_layer + outline shader
20      4. composite: bg → shadow (offset +4,+4) → outline → game → ui
21  ]]
22  
23  require('anchor')({
24    width  = 480,
25    height = 270,
26    title  = 'Emoji Ball Bounce',
27    scale  = 3,
28    filter = 'rough',
29  })
30  
... [78 more lines]

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

43:    - images, fonts, sounds, shaders, spritesheets - resource tables
79:images = images or {}

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

129:--   ball_wall: -21.2 dB -> 0.36
186:an:sound('ball_ball', 'assets/ball_wall.ogg')
187:an:sound('ball_wall', 'assets/ball_wall.ogg')
256:an:physics_collision('ball', 'wall')
590:  4. WALL FALLBACK (prevents stalling) - ball-wall collisions
593:     On ball-wall collisions, probabilistically apply energy boost.
598:     Problem: A ball can lose vertical velocity and slide along a wall indefinitely.
891:  for _, event in ipairs(an:collision_begin_events('ball', 'wall')) do
901:      ball_object.collider:set_velocity(vx*self.wall_energy_boost, vy*self.wall_energy_boost)
904:    -- Squash ball based on wall orientation, intensity shaped by easing
914:    an:sound_play('ball_wall', 0.4, pitch*an.random:float(0.95, 1.05))
1285:    if owner and owner.weapon_ui then owner.weapon_ui:boomerang_wall_hit() end
1300:    if owner and owner.weapon_ui then owner.weapon_ui:boomerang_wall_hit() end
2909:-- Squash ball on wall collision: horizontal wall squashes y, vertical wall squashes x
3333:function weapon_ui:boomerang_wall_hit()

880  
881     -- Trigger reflect on melee weapons
882     if ball_a.weapon_class == 'melee' then
883       if ball_a.weapon_ui then ball_a.weapon_ui:reflect() end
884     end
885     if ball_b.weapon_class == 'melee' then
886       if ball_b.weapon_ui then ball_b.weapon_ui:reflect() end
887     end
888   end
889 
890   -- Ball-wall collision: probabilistically apply energy boost based on system energy
891   for _, event in ipairs(an:collision_begin_events('ball', 'wall')) do
892     local ball_object = event.a
893 
894     -- Cancel thrust on wall hit (only after 10% progress to avoid cancelling before it starts)
895     if ball_object.thrusting and ball_object.thrust_progress > 0.1 then
896       ball_object:thrust_end()
897     end
898 
899     local vx, vy = ball_object.collider:get_velocity()
900     if an.random:bool(self.wall_boost_chance) and self.wall_energy_boost > 1 then
901       ball_object.collider:set_velocity(vx*self.wall_energy_boost, vy*self.wall_energy_boost)
902     end
903 
904     -- Squash ball based on wall orientation, intensity shaped by easing
905     local intensity = math.clamp(math.remap(math.length(vx, vy), 0, 800, 0, 1), 0, 1)
906 
907     -- Sound (pitch increases linearly with intensity above 0.45)
908     local pitch
909     if intensity > 0.45 then
... [70 more lines]

33:an.camera.shake:handcam(true, {x = 2, y = 2, rotation = 0.02}, 0.5)
877:    self:hit_stop(0.1 * math.max(ball_a.hit_stop_multiplier, ball_b.hit_stop_multiplier))
878:    local shake_multiplier = math.max(ball_a.camera_shake_multiplier, ball_b.camera_shake_multiplier)
879:    an.camera.shake:shake(3*shake_multiplier, 0.1*shake_multiplier)
1482:    self:hit_stop(0.15*attacker.hit_stop_multiplier)
1483:    an.camera.shake:shake(4*attacker.camera_shake_multiplier, 0.12*attacker.camera_shake_multiplier)
1575:function arena:get_hit_stop_probability()
1586:  local probability = self:get_hit_stop_probability()
1600:function arena:hit_stop(duration)
1602:  local probability = self:get_hit_stop_probability()
1604:    an:hit_stop(duration)
1799:    self.hit_stop_multiplier = 1.0
1801:    self.camera_shake_multiplier = 1.0
1817:    self.hit_stop_multiplier = 1.4 -- longer hit stops
1819:    self.camera_shake_multiplier = 1.5  -- stronger camera shake
1840:    self.hit_stop_multiplier = 1.0
1842:    self.camera_shake_multiplier = 1.0
1867:    self.hit_stop_multiplier = 1.0
1869:    self.camera_shake_multiplier = 1.0
1886:    self.hit_stop_multiplier = 1.0
1888:    self.camera_shake_multiplier = 1.0
1907:    self.hit_stop_multiplier = 1.0
1909:    self.camera_shake_multiplier = 1.0
1933:    self.hit_stop_multiplier = 1.0
1935:    self.camera_shake_multiplier = 1.0
2241:  local shake_fx = self.ball_shake:get_transform()
2428:    an.camera.shake:shake(4, 0.15)
2577:  an:hit_stop(0.2)
2910:function ball:squash(normal_x, normal_y, amount)
3143:  self.emoji_shake:handcam(true, {x = an.random:float(0, 3), y = an.random:float(0, 3), rotation = an.random:float(0.2, 0.3)}, an.random:float(0.4, 0.8))
... [2 more lines]

2910 function ball:squash(normal_x, normal_y, amount)
2911      amount = amount or 0.3
2912      if math.abs(normal_y) > math.abs(normal_x) then
2913        -- Horizontal wall (floor/ceiling): squash y, stretch x
2914        self.spring:pull('squash_x', amount, 3, 0.5)
2915        self.spring:pull('squash_y', -amount*0.5, 3, 0.5)
2916      else
2917        -- Vertical wall (left/right): squash x, stretch y
2918        self.spring:pull('squash_y', amount, 3, 0.5)
2919        self.spring:pull('squash_x', -amount*0.5, 3, 0.5)
2920      end
2921    end
2922    
2923    -- Start ball movement (called when game unpauses)
2924    function ball:start_moving()
2925      self.collider:set_gravity_scale(1)
2926      self.collider:apply_impulse(an.random:sign()*an.random:float(5, 10), an.random:float(-10, 10))
2927      self.collider:set_angular_velocity(self.base_angular_velocity)
2928    end
2929    
2930    
2931    hp_bar = object:extend()
2932    
2933    function hp_bar:new(args)
2934      args = args or {}
2935      object.new(self, 'hp_bar')
2936      self.offset_y = args.offset_y or 18
2937      self.w = args.w or 22
2938      self.h = args.h or 4
2939      self.bg_color = args.bg_color or black()
... [10 more lines]

788:    ball_a.spring:pull('hit', intensity*0.4, 3, 0.7)
789:    ball_b.spring:pull('hit', intensity*0.4, 3, 0.7)
865:    ball_a.spring:pull('weapon', 0.35, 3, 0.5)
866:    ball_b.spring:pull('weapon', 0.35, 3, 0.5)
1005:    ball_object.spring:pull('weapon', 0.35, 3, 0.5)
1228:    ball_object.spring:pull('weapon', 0.35, 3, 0.5)
1325:    projectile_object.spring:pull('hit', 0.5, 3, 0.5)
1329:    ball_object.spring:pull('weapon', 0.35, 3, 0.5)
1369:      cd_object.spring:pull('hit', 0.5, 3, 0.5)
1408:      ball_object.spring:pull('weapon', 0.35, 3, 0.5)
1981:  self.spring:add('hit', 1)
1982:  self.spring:add('weapon', 1)
1983:  self.spring:add('squash_x', 1)
1984:  self.spring:add('squash_y', 1)
1987:  self:add(shake('ball_shake'))
2181:      self.spring:pull('weapon', 0.5)
2225:      self.spring:pull('squash_y', 0.5, 3, 0.5)
2226:      self.spring:pull('squash_x', -0.25, 3, 0.5)
2236:  local squash_x = self.spring.squash_x.x
2237:  local squash_y = self.spring.squash_y.x
2241:  local shake_fx = self.ball_shake:get_transform()
2264:          {self.x, self.y, self.thrust_angle, squash_x*thrust_stretch_ai, squash_y*thrust_squeeze_ai},
2274:    game:push(self.x + bsx, self.y + bsy, self.thrust_angle, squash_x*thrust_stretch, squash_y*thrust_squeeze)
2280:    game:push(self.x + bsx, self.y + bsy, 0, squash_x, squash_y)           -- world-aligned squash (no rotation)
2410:  self.spring:pull('hit', 0.3, 3, 0.7)
2514:  self.spring:pull('weapon', 0.6, 3, 0.7)
2515:  self.spring:pull('hit', 0.25, 3, 0.5)
2680:  self.spring:pull('weapon', 0.6)
2681:  self.spring:pull('hit', 0.25, 3, 0.5)
2735:  self.spring:pull('weapon', 0.6, 3, 0.7)
... [2 more lines]

1975   self.fast_spinning = false
1976      self.swing_sound_count = 0
1977      self.can_swing_sound_time = 1.33  -- starts expired, reset on weapon hits
1978    
1979      -- Springs for visual feedback
1980      self:add(spring())
1981      self.spring:add('hit', 1)
1982      self.spring:add('weapon', 1)
1983      self.spring:add('squash_x', 1)
1984      self.spring:add('squash_y', 1)
1985    
1986      -- Shake for visual feedback
1987      self:add(shake('ball_shake'))
1988    
1989      -- Flash state for weapon
1990      self.weapon_flashing = false
1991      self.thrusting = false  -- sword thrust state
1992      self.weapon_recoil = 0  -- rotation offset for gun recoil animation
1993      self.weapon_recoil_offset = 0  -- position offset for gun recoil (moves toward ball)
1994    
1995      -- HP
1996      self.max_hp = 50
1997      self.hp = self.max_hp
1998      self:add(hp_bar())
1999      self:add(cooldown_bar())
2000    
2001      -- Weapon effect tracking
2002      self.hits_landed = 0
2003      self.base_damage = 1  -- all weapons start at 1 damage
2004      self.base_cooldown = 1.2

1987:  self:add(shake('ball_shake'))
2241:  local shake_fx = self.ball_shake:get_transform()

648:      flash_on_spawn = true,
861:    ball_a:flash_weapon()
862:    ball_b:flash_weapon()
875:    local hit_multiplier = math.max(ball_a.hit_particle_multiplier, ball_b.hit_particle_multiplier)
952:      self.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}))
954:        self.effects:add(hit_particle(event.point_x, event.point_y, {
960:          flash_on_spawn = true,
993:      -- self.effects:add(deflected_arrow(projectile_object.x, projectile_object.y, {vx = deflect_vx, vy = deflect_vy}))
1004:    ball_object:flash_weapon()
1072:      self.effects:add(star_particle(x, y, {
1073:        flash_on_spawn = true,
1104:        self.effects:add(emoji_text(owner.x, owner.y - 10, "+1 dmg"))
1115:      self.effects:add(star_particle(x, y, {
1116:        flash_on_spawn = true,
1148:      self.effects:add(emoji_text(hx, hy - 10, "+1 bounce"))

[Showing results with pagination = limit: 15]

2230     end
2231      else
2232        self.low_vy_time = 0
2233      end
2234    
2235      -- Draw ball
2236      local squash_x = self.spring.squash_x.x
2237      local squash_y = self.spring.squash_y.x
2238      local hit_scale = self.spring.hit.x
2239    
2240      -- Ball shake offset
2241      local shake_fx = self.ball_shake:get_transform()
2242      local bsx, bsy = shake_fx.x, shake_fx.y
2243    
2244      -- Thrust squash values (used by both ball and weapon draw)
2245      local squash_t, stretch_amount, squeeze_amount = 0, 0, 0
2246      if self.thrusting then
2247        squash_t = math.sin(self.thrust_progress*math.pi)
2248        local thrust_speed = math.lerp(math.quad_out(self.thrust_progress), self.thrust_start_speed, self.thrust_end_speed)
2249        local speed_factor = math.clamp(math.remap(thrust_speed, 400, 600, 0, 1), 0, 1)
2250        stretch_amount = math.lerp(speed_factor, 0.4, 0.6)
2251        squeeze_amount = math.lerp(speed_factor, 0.2, 0.3)
2252      end
2253    
2254      -- Spawn afterimages during thrust
2255      if self.thrusting then
2256        self.afterimage_timer = self.afterimage_timer + dt
2257        if self.afterimage_timer >= 0.03 then
2258          self.afterimage_timer = 0
2259          local thrust_stretch_ai = 1 + stretch_amount*squash_t
... [30 more lines]

2903 function ball:flash_ball(duration)
2904      duration = duration or 0.15
2905      self.ball_flashing = true
2906      self.timer:after(duration, 'ball_flash', function() self.ball_flashing = false end)
2907    end
2908    
2909    -- Squash ball on wall collision: horizontal wall squashes y, vertical wall squashes x
2910    function ball:squash(normal_x, normal_y, amount)
2911      amount = amount or 0.3
2912      if math.abs(normal_y) > math.abs(normal_x) then

153:main_camera = camera_new(width, height)
235:  camera_update(main_camera, dt)
253:  camera_attach(main_camera, game_layer)
254:  camera_attach(main_camera, mask_layer)
262:  camera_detach(main_camera, mask_layer)
263:  camera_detach(main_camera, game_layer)

11:    shake_push(camera.shake, angle, amount)
12:    shake_shake(camera.shake, amplitude, duration)
23:function shake_new()
66:function shake_trauma(s, amount, duration, amplitude)
79:function shake_set_trauma_parameters(s, amplitude)
87:  shake_shake(s, amplitude, duration, [frequency])
91:function shake_shake(s, amplitude, duration, frequency)
105:  shake_push(s, angle, amount, [frequency], [bounce])
109:function shake_push(s, angle, amount, frequency, bounce)
125:function shake_sine(s, angle, amplitude, frequency, duration)
139:function shake_square(s, angle, amplitude, frequency, duration)
150:  shake_handcam(s, enabled, [amplitude], [frequency])
153:function shake_handcam(s, enabled, amplitude, frequency)
169:function shake_get_effects(s)
232:function shake_update(s, dt)

11:  insensitive, so a query like `collision_entities_begin('player', 'enemy')`
18:    for _, ev in ipairs(collision_entities_begin('player', 'enemy')) do
101:    normal_x = hit.normal_x,
102:    normal_y = hit.normal_y,
122:        normal_x = hit.normal_x,
123:        normal_y = hit.normal_y,
132:  collision_entities_begin(tag_a, tag_b)
137:function collision_entities_begin(tag_a, tag_b)
153:        nx = ev.normal_x, ny = ev.normal_y,
248:        nx = ev.normal_x, ny = ev.normal_y,

82:sounds = sounds or {}

ball_wall.ogg
outline.frag
shadow.frag
slight_smile.png

100  shader_set_vec2_immediate(outline_shader, 'u_pixel_size', 1/gw, 1/gh)
101 
102 -- -----------------------------------------------------------------------------
103 -- images
104 -- -----------------------------------------------------------------------------
105 slight_smile = image_load('slight_smile', 'assets/slight_smile.png')
106 
107 -- -----------------------------------------------------------------------------
108 -- input
109 -- -----------------------------------------------------------------------------
110 bind('chamber_smaller', 'key:[')
111 bind('chamber_bigger',  'key:]')
112 
113 -- -----------------------------------------------------------------------------
114 -- entity collections
115 -- -----------------------------------------------------------------------------
116 balls = {}
117 
118 -- =============================================================================
119 -- chamber — square arena drawn as four green rounded-rect "sticks"
120 -- (emoji-merge arena look). Four static box walls bundled on one body, sized
121 -- so left/right extend past top/bottom to seal the corners. Continuous
122 -- rotation; runtime resize via [/] keys.
123 -- =============================================================================
124 chamber = class()
125 
126 function chamber:new(x, y, half, angle)
127   self.x, self.y = x, y
128   self.half      = half
129   self.angle     = angle or 0
... [10 more lines]

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

200    -- outline shader traces a single clean rounded-rect frame around the
201   -- union.
202   layer_push(game_layer, self.x, self.y, self.angle, 1, 1)
203   layer_rounded_rectangle(game_layer, -h - t, -h - t, len, t,   r, col)  -- top
204   layer_rounded_rectangle(game_layer, -h - t,  h,     len, t,   r, col)  -- bottom
205   layer_rounded_rectangle(game_layer, -h - t, -h - t, t,   len, r, col)  -- left
206   layer_rounded_rectangle(game_layer,  h,     -h - t, t,   len, r, col)  -- right
207   layer_pop(game_layer)
208 end
209 
210 function chamber:destroy()
211   if self.collider then self.collider:destroy() end
212 end
213 
214 -- =============================================================================
215 -- ball — slight_smile emoji bouncing inside the chamber at constant speed.
216 -- Ricochet's approach: dynamic circle collider with restitution=1, friction=0,
217 -- linear_damping=0, fixed rotation, bullet (CCD). Box2D bleeds energy even at
218 -- restitution=1, so :update renormalizes velocity to BALL_SPEED every frame.
219 -- A small ±5° jitter on each bounce keeps it from settling into a repeating
220 -- path. :contain_in_chamber is defensive — handles the ball getting pushed
221 -- outside on resize/rotation/tunneling.
222 -- =============================================================================
223 ball = class()
224 
225 function ball:new(x, y)
226   self.x, self.y = x, y
227   self.radius    = BALL_RADIUS
228   self.speed     = BALL_SPEED
229   make_entity(self)
... [60 more lines]

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

340    if max <= 0 then return end             -- chamber too small to hold the ball; nothing to do
341 
342   local lx, ly = math.rotate(self.x - c.x, self.y - c.y, -c.angle)
343   local cx = math.clamp(lx, -max, max)
344   local cy = math.clamp(ly, -max, max)
345   if cx == lx and cy == ly then return end
346 
347   local nx, ny = math.rotate(cx, cy, c.angle)
348   self.x = nx + c.x
349   self.y = ny + c.y
350   self.collider:set_position(self.x, self.y)
351 
352   local vx, vy   = self.collider:get_velocity()
353   local lvx, lvy = math.rotate(vx, vy, -c.angle)
354   if cx ~= lx and lvx * (lx - cx) > 0 then lvx = -lvx end
355   if cy ~= ly and lvy * (ly - cy) > 0 then lvy = -lvy end
356   local nvx, nvy = math.rotate(lvx, lvy, c.angle)
357   self.collider:set_velocity(nvx, nvy)
358 end
359 
360 function ball:draw()
361   local s     = self.spring.hit.x
362   local scale = self.image_scale * s
363   layer_push(game_layer, self.x, self.y, 0, scale, scale)
364   layer_image(game_layer, self.image, 0, 0)
365   layer_pop(game_layer)
366 end
367 
368 function ball:destroy()
369   if self.collider then self.collider:destroy() end
... [60 more lines]

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

410    layer_draw(shadow_layer, 4, 4)
411   layer_draw(game_outline)
412   layer_draw(game_layer)
413   layer_draw(ui_layer)
414 end
415 

375    -- invalidate any in-flight Box2D body handles.
376   if input_pressed('chamber_smaller') then
377     the_chamber:resize(math.max(CHAMBER_HALF_MIN, the_chamber.half - CHAMBER_RESIZE_STEP))
378   end
379   if input_pressed('chamber_bigger') then
380     the_chamber:resize(math.min(CHAMBER_HALF_MAX, the_chamber.half + CHAMBER_RESIZE_STEP))
381   end
382 end
383 
384 function draw()
385   -- queue draws ----------------------------------------------------------------
386   layer_rectangle_gradient_v(bg_layer, 0, 0, gw, gh, sky_top(), sky_bottom())
387 
388   -- camera attaches to game_layer only (the sky bg should not jitter, and the
389   -- shadow / outline layers inherit the jitter automatically because they
390   -- derive from game_layer's texture)
391   camera_attach(main_camera, game_layer)
392   the_chamber:draw()
393   for _, b in ipairs(balls) do b:draw() end
394   camera_detach(main_camera, game_layer)
395 
396   -- flush queued commands to FBOs ---------------------------------------------
397   layer_render(bg_layer)
398   layer_render(game_layer)
399   layer_render(ui_layer)
400 
401   -- derive shadow + outline from game_layer -----------------------------------
402   layer_clear(shadow_layer)
403   layer_draw_from(shadow_layer, game_layer, shadow_shader)
404 
... [10 more lines]

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

78:an:image('boom', 'assets/boom.png')
83:an:image('boomerang', 'assets/boomerang.png')
133:--   gun_fire_1 (revolver_shot1): -24.7 dB -> 0.54
134:--   gun_fire_2 (revolver_shot2): -24.9 dB -> 0.56
135:--   gun_fire_3 (revolver_shot3): -23.3 dB -> 0.46
191:an:sound('gun_fire_1', 'assets/revolver_shot1.ogg')
192:an:sound('gun_fire_2', 'assets/revolver_shot2.ogg')
193:an:sound('gun_fire_3', 'assets/revolver_shot3.ogg')
268:an:physics_tag('boomerang_projectile')
269:an:physics_collision('boomerang_projectile', 'wall')
270:an:physics_collision('boomerang_projectile', 'weapon')
271:an:physics_tag('boomerang_sensor')
272:an:physics_sensor('boomerang_sensor', 'ball')
273:an:physics_sensor('boomerang_sensor', 'plant_ghost')
284:an:physics_sensor('cd_sensor', 'boomerang_projectile')
1081:  for _, event in ipairs(an:sensor_begin_events('boomerang_sensor', 'ball')) do
1086:    if ball_object.team == projectile_object.team then goto continue_boom_ball end
1100:    if projectile_object.projectile_type == 'boomerang' then
1101:      if not projectile_object.boomerang_damage_triggered then
1102:        projectile_object.boomerang_damage_triggered = true
1103:        owner.boomerang_damage = owner.boomerang_damage + 1
1120:    ::continue_boom_ball::
1263:  for _, event in ipairs(an:collision_begin_events('boomerang_projectile', 'wall')) do
1285:    if owner and owner.weapon_ui then owner.weapon_ui:boomerang_wall_hit() end
1287:    ::continue_boom_wall::
1300:    if owner and owner.weapon_ui then owner.weapon_ui:boomerang_wall_hit() end
1357:  for _, tag in ipairs({'projectile', 'boomerang_projectile', 'kitchen_knife_projectile'}) do
1395:  -- No special logic needed — boomerangs bounce off weapons naturally
1449:    if attacker.weapon_type == 'boomerang' then goto continue_weapon_ball end
1527:  for _, event in ipairs(an:sensor_begin_events('boomerang_sensor', 'plant_ghost')) do
... [2 more lines]

2502 function ball:fire_single_shot()
2503      local gun_tip_offset = self.weapon_visual_offset + 12
2504      local perpendicular = self.angle - math.pi/2
2505      local boom_offset = an.random:float(0.9, 1.1)*gun_tip_offset
2506      local boom_x = self.x + boom_offset*math.cos(self.angle) + 10*math.cos(perpendicular)
2507      local boom_y = self.y + boom_offset*math.sin(self.angle) + 10*math.sin(perpendicular)
2508    
2509      -- Sound
2510      an:sound_play("gun_fire_" .. an.random:int(1, 3), 0.63, an.random:float(0.95, 1.05))
2511      -- Spawn boom particle
2512      self.parent.effects:add(boom_particle(boom_x, boom_y))
2513      -- Weapon feedback
2514      self.spring:pull('weapon', 0.6, 3, 0.7)
2515      self.spring:pull('hit', 0.25, 3, 0.5)
2516      self:recoil_weapon()
2517      self.weapon_ui:shoot()
2518    
2519      -- Spawn projectile
2520      self.parent.projectiles:add(projectile(boom_x, boom_y, {
2521        velocity = 15,
2522        direction = self.angle,
2523        flash_on_spawn = true,
2524        team = self.team,
2525        bounces = 2,
2526      }))
2527    end
2528    
2529    -- Gun callback: fire projectile with effects
2530    function ball:gun_fire()
2531      self.gun_ready = false
... [60 more lines]

3928:projectile = object:extend()
3930:function projectile:new(x, y, args)
4080:function projectile:update(dt)
4244:function projectile:hit(intensity, target_type, normal_x, normal_y)

3928 projectile = object:extend()
3929    
3930    function projectile:new(x, y, args)
3931      self.x, self.y = x, y
3932      args = args or {}
3933      object.new(self)
3934      self:tag('projectile')
3935      self.projectile_type = args.projectile_type or 'bullet'
3936      self.team = args.team
3937      self.velocity = args.velocity or 10
3938      self.direction = args.direction or 0
3939      self.bounces = args.bounces or 0
3940      self.shot_id = args.shot_id
3941    
3942      -- Projectile-type-specific setup
3943      if self.projectile_type == 'bullet' then
3944        self.w = 15
3945        self.h = 8
3946        self:add(collider('projectile', 'dynamic', 'box', self.w, self.h))
3947        self.collider:set_position(self.x, self.y)
3948        self.collider:set_restitution(0.75)
3949        self.collider:set_friction(0)
3950        self.collider:set_gravity_scale(0.5)
3951        self.collider:apply_impulse(self.velocity*math.cos(self.direction), self.velocity*math.sin(self.direction))
3952        self.collider:set_density(0.4)
3953      elseif self.projectile_type == 'arrow' then
3954        self.w = 18
3955        self.h = 4
3956        self:add(collider('projectile', 'dynamic', 'box', self.w, self.h))
3957        self.collider:set_position(self.x, self.y)
... [130 more lines]

4080 function projectile:update(dt)
4081      -- Spiral: set velocity from tracked angle and speed
4082      if self.projectile_type == 'spiral' then
4083        self.spiral_time = self.spiral_time + dt
4084        self.spiral_speed = math.lerp_dt(0.9, 1, dt, self.spiral_speed, self.spiral_target_speed)
4085        self.spiral_turn_rate = self.spiral_turn_rate - self.spiral_turn_decrease_rate*math.clamp((5 - self.spiral_time)/1, 0, 1)*dt
4086    
4087        self.spiral_angle = self.spiral_angle + self.spiral_turn_rate*dt
4088        self.collider:set_velocity(self.spiral_speed*math.cos(self.spiral_angle), self.spiral_speed*math.sin(self.spiral_angle))
4089      end
4090    
4091      -- Boomerang: constant speed, rotating angle traces a circle, homing nudge on return
4092      if self.projectile_type == 'boomerang' then
4093        self.boomerang_time = self.boomerang_time + dt
4094        self.boomerang_spin = self.boomerang_spin + self.boomerang_spin_speed*dt
4095        local owner = self.team == 'player' and self.parent.parent.player_ball or self.parent.parent.enemy_ball
4096        if owner and owner.parent then
4097          -- Detect return phase: past the halfway point of the circle
4098          if not self.boomerang_returning and self.boomerang_time >= math.pi/math.abs(self.boomerang_turn_rate) then
4099            self.boomerang_returning = true
4100          end
4101          if self.boomerang_returning then
4102            -- On return, home toward owner
4103            local angle_to_owner = math.angle_to_point(self.x, self.y, owner.x, owner.y)
4104            self.boomerang_move_angle = math.lerp_angle_dt(0.9, self.boomerang_homing_strength, dt, self.boomerang_move_angle, angle_to_owner)
4105          else
4106            -- Outward: rotate move angle at constant rate (traces a circle)
4107            self.boomerang_move_angle = self.boomerang_move_angle + self.boomerang_turn_rate*dt
4108          end
4109          -- Set velocity from angle and constant speed
... [140 more lines]

4244 function projectile:hit(intensity, target_type, normal_x, normal_y)
4245      intensity = intensity or 1
4246      self.spring:pull('hit', 0.5*intensity, 3, 0.5)
4247      if not (self.projectile_type == 'kitchen_knife' and target_type == 'wall') then
4248        self.flashing = true
4249        self.timer:after(0.1, function() self.flashing = false end)
4250      end
4251    
4252      if target_type == 'wall' then
4253        if self.projectile_type == 'bullet' then
4254          self.bounces = self.bounces - 1
4255          if self.bounces < 0 then
4256            self:kill()
4257          end
4258        elseif self.projectile_type == 'arrow' then
4259          local angle = self.collider:get_angle()
4260          -- Flip angle if arrow points outward from wall
4261          if math.cos(angle)*normal_x + math.sin(angle)*normal_y < 0 then
4262            angle = angle + math.pi
4263          end
4264          local offset = an.random:float(0, 10)
4265          self.parent.arena.effects:add(stuck_arrow(self.x + offset*math.cos(angle), self.y + offset*math.sin(angle), {angle = angle}))
4266          self:kill()
4267        elseif self.projectile_type == 'spiral' then
4268          self:kill()
4269        elseif self.projectile_type == 'boomerang' then
4270          self.boomerang_move_angle = math.reflect(self.boomerang_move_angle, normal_x, normal_y)
4271        elseif self.projectile_type == 'kitchen_knife' then
4272          an:sound_play('dagger_wall', 0.4, an.random:float(0.95, 1.05))
4273          local vx, vy = self.collider:get_velocity()
... [50 more lines]

1010     local scaled_change = change / ball_object.weapon_weight^2
1011        av = ball_object.last_angular_velocity + scaled_change
1012        ball_object.collider:set_angular_velocity(av)
1013    
1014        -- Flip projectile team to reflector's team (can now hit original shooter)
1015        projectile_object.team = ball_object.team
1016    
1017        -- Boost arrow velocity on parry and enable gravity
1018        if projectile_object.projectile_type == 'arrow' then
1019          local pvx, pvy = projectile_object.collider:get_velocity()
1020          local post_speed = math.length(pvx, pvy)
1021          local target_speed = math.max(post_speed, projectile_object.base_speed or 0)
1022          if post_speed > 0 then
1023            projectile_object.collider:set_velocity(pvx/post_speed*target_speed, pvy/post_speed*target_speed)
1024          end
1025          projectile_object.collider:set_gravity_scale(2)
1026        end
1027    
1028        -- Sound
1029        an:sound_play("weapon_projectile_" .. an.random:int(1, 2), 1.0, an.random:float(0.95, 1.05))
1030    
1031        self:hit_effect(event.point_x, event.point_y)
1032        if ball_object.weapon_ui then ball_object.weapon_ui:reflect() end
1033        ball_object.can_swing_sound_time = 0
1034    
1035        ::continue_proj_weapon::
1036      end
1037    
1038      -- Projectile-ball sensor: deal damage
1039      for _, event in ipairs(an:sensor_begin_events('projectile_sensor', 'ball')) do
... [20 more lines]

3456:hit_circle = object:extend()
3458:function hit_circle:new(x, y, args)
3476:function hit_circle:update(dt)
3786:hit_particle = object:extend()
3788:function hit_particle:new(x, y, args)
3811:function hit_particle:update(dt)

3456 hit_circle = object:extend()
3457    
3458    function hit_circle:new(x, y, args)
3459      args = args or {}
3460      self.x, self.y = x, y
3461      object.new(self)
3462      self.radius = args.radius or 12
3463      self.color = args.color or white:clone()
3464      self.duration = args.duration or 0.2
3465      self.flashing = false
3466    
3467      self:add(timer())
3468      self.timer:tween(self.duration, self, {radius = 0}, math.cubic_in_out, function() self:kill() end)
3469    
3470      if args.flash_on_spawn then
3471        self.flashing = true
3472        self.timer:after(0.1, function() self.flashing = false end)
3473      end
3474    end
3475    
3476    function hit_circle:update(dt)
3477      if self.flashing then
3478        effects:circle(self.x, self.y, self.radius, white())
3479      else
3480        effects:circle(self.x, self.y, self.radius, self.color())
3481      end
3482    end
3483    
3484    
3485    
... [20 more lines]

3786 hit_particle = object:extend()
3787    
3788    function hit_particle:new(x, y, args)
3789      args = args or {}
3790      self.x, self.y = x, y
3791      object.new(self)
3792      self.velocity = args.velocity or an.random:float(50, 150)
3793      self.gravity_velocity = 0
3794      self.gravity_acceleration = args.gravity or 0
3795      self.direction = args.direction or an.random:angle()
3796      self.color = args.color or white:clone()
3797      self.w = math.remap(self.velocity, 0, 250, 4, 12)
3798      self.h = math.remap(self.velocity, 0, 250, 2, 6)
3799      self.sx, self.sy = 1, 1
3800      self.duration = args.duration or 0.3
3801    
3802      self:add(timer())
3803      self.timer:tween(self.duration, self, {velocity = 0, sx = 0, sy = 0}, math.linear, function() self:kill() end)
3804    
3805      if args.flash_on_spawn then
3806        self.flashing = true
3807        self.timer:after(0.1, function() self.flashing = false end)
3808      end
3809    end
3810    
3811    function hit_particle:update(dt)
3812      self.gravity_velocity = self.gravity_velocity + self.gravity_acceleration*dt
3813    
3814      -- Compute actual velocity components
3815      local vx = self.velocity*math.cos(self.direction)
... [40 more lines]

ball_wall.ogg
concrete_2.ogg
concrete_5.ogg
concrete_8.ogg
outline.frag
revolver_shot1.ogg
revolver_shot2.ogg
revolver_shot3.ogg
shadow.frag
slight_smile.png

74   BORDER_OFFSCREEN  = 16              -- how far the border rects extend off-screen on their outer sides
75  
76  CHAMBER_X             = (GAME_AREA_LEFT + GAME_AREA_RIGHT) / 2
77  CHAMBER_Y             = (GAME_AREA_TOP + GAME_AREA_BOTTOM) / 2
78  CHAMBER_HALF          = 50          -- 100 × 100 interior
79  CHAMBER_HALF_MIN      = 25          -- runtime resize floor
80  CHAMBER_HALF_MAX      = 100         -- runtime resize cap
81  CHAMBER_RESIZE_STEP   = 5           -- px change per [ / ] press
82  WALL_T                = 4           -- visual + collider wall thickness
83  WALL_RADIUS           = 2           -- rounded corner radius on each stick
84  CHAMBER_ROTATION_RATE = 0.0         -- rad/sec; continuous rotation (set 0 to disable)
85  
86  BALL_RADIUS        = 10                  -- emoji-sized; matches EBB
87  BALL_SPEED         = 240                 -- pinball-y inside the small chamber
88  BALL_BOUNCE_JITTER = math.pi / 36        -- ±5°, applied to post-bounce velocity
89  
90  -- -----------------------------------------------------------------------------
91  -- physics
92  -- -----------------------------------------------------------------------------
93  physics_init()
94  physics_set_gravity(0, 0)
95  physics_register_tag('ball')
96  physics_register_tag('chamber')
97  physics_enable_collision('ball', 'chamber')
98  
99  -- -----------------------------------------------------------------------------
100 -- layers (minimal pipeline: bg + game + derived shadow/outline + ui)
101 -- -----------------------------------------------------------------------------
102 bg_layer     = layer_new('bg')
103 game_layer   = layer_new('game')
... [30 more lines]

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

145  
146 -- -----------------------------------------------------------------------------
147 -- sounds
148 -- -----------------------------------------------------------------------------
149 sounds.ball_wall   = sound_load('assets/ball_wall.ogg')
150 sounds.gun_fire_1  = sound_load('assets/revolver_shot1.ogg')
151 sounds.gun_fire_2  = sound_load('assets/revolver_shot2.ogg')
152 sounds.gun_fire_3  = sound_load('assets/revolver_shot3.ogg')
153 sounds.concrete_1  = sound_load('assets/concrete_2.ogg')   -- EBB names: concrete_1/2/3 → files concrete_2/5/8
154 sounds.concrete_2  = sound_load('assets/concrete_5.ogg')
155 sounds.concrete_3  = sound_load('assets/concrete_8.ogg')
156 
157 -- -----------------------------------------------------------------------------
158 -- camera (with EBB-style always-on handcam jitter)
159 -- -----------------------------------------------------------------------------
160 main_camera = camera_new(gw, gh)
161 shake_handcam(main_camera.shake, true, { x = 2, y = 2, rotation = 0.02 }, 0.5)
162 
163 -- -----------------------------------------------------------------------------
164 -- input
165 -- -----------------------------------------------------------------------------
166 bind('chamber_smaller', 'key:[')
167 bind('chamber_bigger',  'key:]')
168 
169 -- -----------------------------------------------------------------------------
170 -- entity collections
171 -- -----------------------------------------------------------------------------
172 balls = {}
173 
174 -- =============================================================================
... [70 more lines]

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

390    self.collider:set_velocity(nvx, nvy)
391 end
392 
393 function ball:draw()
394   local s     = self.spring.hit.x
395   local scale = self.image_scale * s
396   layer_push(game_layer, self.x, self.y, 0, scale, scale)
397   layer_image(game_layer, self.image, 0, 0)
398   layer_pop(game_layer)
399 end
400 
401 function ball:destroy()
402   if self.collider then self.collider:destroy() end
403 end
404 
405 -- -----------------------------------------------------------------------------
406 -- init
407 -- -----------------------------------------------------------------------------
408 the_chamber       = chamber(CHAMBER_X, CHAMBER_Y, CHAMBER_HALF)
409 balls[#balls + 1] = ball(CHAMBER_X, CHAMBER_Y)
410 
411 -- -----------------------------------------------------------------------------
412 -- main loop
413 -- -----------------------------------------------------------------------------
414 function update(dt)
415   sync_engine_globals()
416 
417   the_chamber:update(dt)
418   collection_update(balls, dt)
419 
... [10 more lines]

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

E:\a327ex\emoji-ball-bounce\anchor\object.lua:83:  entity_kill(e)
E:\a327ex\emoji-ball-bounce\anchor\object.lua:84:  Free function equivalent to e:kill(). Useful if you have a plain
E:\a327ex\emoji-ball-bounce\anchor\object.lua:87:function entity_kill(e)

60     that takes precedence.
61  ]]
62  local function default_kill(self)
63    if self._dying then return end
64    self._dying = true
65    destroy_queue[#destroy_queue + 1] = self
66  end
67  
68  --[[
69    make_entity(e)
70    Assigns e.id and registers e in the global entities table.
71    Also installs a default kill method if none exists.
72    Returns e for chaining.
73  ]]
74  function make_entity(e)
75    e.id = next_id
76    next_id = next_id + 1
77    entities[e.id] = e
78    if not e.kill then e.kill = default_kill end
79    return e
80  end
81  
82  --[[
83    entity_kill(e)
84    Free function equivalent to e:kill(). Useful if you have a plain
85    entity table and don't want to use method syntax.
86  ]]
87  function entity_kill(e)
88    default_kill(e)
89  end
... [10 more lines]

405  -- =============================================================================
406 -- wall — static rectangular collider for the top + bottom border solids.
407 -- Visual is drawn separately by draw_borders(); this entity only carries the
408 -- physics body so projectiles can collide and bounce off.
409 -- =============================================================================
410 wall = class()
411 
412 function wall:new(x, y, w, h)
413   self.x, self.y = x, y
414   self.w, self.h = w, h
415   make_entity(self)
416   self.collider = collider(self, 'wall', 'static', 'box', w, h)
417   self.collider:set_position(x, y)
418   self.collider:set_restitution(1)
419   self.collider:set_friction(0)
420 end
421 
422 function wall:destroy()
423   if self.collider then self.collider:destroy() end
424 end
425 
426 -- =============================================================================
427 -- hit_circle — small expanding/shrinking ring at an impact point. Tweens
428 -- radius from the spawn value down to 0 over `duration`, then dies. Drawn
429 -- as a filled circle on game_layer so it gets the outline + shadow.
430 -- Direct port of EBB's hit_circle, minus the parent/effects-layer wiring.
431 -- =============================================================================
432 hit_circle = class()
433 
434 function hit_circle:new(x, y, args)
... [50 more lines]

149:sounds.ball_wall   = sound_load('assets/ball_wall.ogg')
150:sounds.gun_fire_1  = sound_load('assets/revolver_shot1.ogg')
151:sounds.gun_fire_2  = sound_load('assets/revolver_shot2.ogg')
152:sounds.gun_fire_3  = sound_load('assets/revolver_shot3.ogg')
153:sounds.concrete_1  = sound_load('assets/concrete_2.ogg')   -- EBB names: concrete_1/2/3 → files concrete_2/5/8
154:sounds.concrete_2  = sound_load('assets/concrete_5.ogg')
155:sounds.concrete_3  = sound_load('assets/concrete_8.ogg')
327:  sound_play(sounds.ball_wall, 0.4, pitch * random_float(0.95, 1.05))
611:  sound_play(sounds['gun_fire_' .. random_int(1, 3)], 0.63, random_float(0.95, 1.05))
634:  sound_play(sounds['concrete_' .. random_int(1, 3)], 0.7, random_float(0.95, 1.05))

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

305  -- by hit_circle + hit_particles.
306 function ball:on_wall_hit(hx, hy, nx, ny)
307   local vx, vy = self.collider:get_velocity()
308   local speed  = math.length(vx, vy)
309   local intensity = math.clamp(math.remap(speed, 0, BALL_SPEED, 0, 1), 0, 1)
310 
311   -- Wall-hit sound — pitch ramps above intensity 0.45, ±5% random pitch jitter.
312   local pitch = 1.0
313   if intensity > 0.45 then
314     pitch = 1.0 + math.remap(intensity, 0.45, 0.7, 0, 1)
315   end
316   sound_play(sounds.ball_wall, 0.4, pitch * random_float(0.95, 1.05))
317 
318   -- Uniform pulse on the 'hit' spring — small "thump" on every bounce.
319   spring_pull(self.spring, 'hit', 0.3)
320 
321   -- Fire a projectile outward along the wall normal. Use the chamber's
322   -- own outward-normal helper rather than Box2D's contact normal — robust
323   -- under chamber rotation and indifferent to Box2D's normal-sign convention.
324   local out_angle = the_chamber:wall_normal_for(self.x, self.y)
325   local onx, ony  = math.cos(out_angle), math.sin(out_angle)
326   local d         = BALL_RADIUS + WALL_T + PROJECTILE_SPAWN_GAP
327   local muzzle_x  = self.x + d * onx
328   local muzzle_y  = self.y + d * ony
329   fire_muzzle_flash(muzzle_x, muzzle_y, out_angle)
330   spawn_projectile(muzzle_x, muzzle_y, out_angle)
331 
332   -- Bounce jitter — rotate the post-bounce velocity slightly so the ball
333   -- can't settle into a repeating path. Speed is preserved by :update.
334   local a = math.atan(vy, vx) + random_float(-BALL_BOUNCE_JITTER, BALL_BOUNCE_JITTER)
... [5 more lines]

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

588  -- impacts. `direction` is the projectile's outgoing direction; particles
589 -- spray forward from the muzzle in a 60° cone around it.
590 function fire_muzzle_flash(x, y, direction)
591   sound_play(sounds['gun_fire_' .. random_int(1, 3)], 0.63, random_float(0.95, 1.05))
592   spawn_hit_circle(x, y, {
593     radius         = FIRING_HIT_CIRCLE_RADIUS,
594     duration       = random_float(0.15, 0.3),
595     color          = yellow,
596     flash_on_spawn = true,
597   })
598   for i = 1, random_int(1, 3) do
599     spawn_hit_particle(x, y, {
600       velocity       = random_float(100, 200),
601       direction      = direction + random_float(-math.pi/3, math.pi/3),
602       duration       = random_float(0.3, 0.5),
603       color          = yellow,
604       gravity        = FIRING_PARTICLE_GRAVITY,
605       flash_on_spawn = true,
606     })
607   end
608 end
609 
610 -- Wall-impact effect. Same VFX recipe as the muzzle flash, just with the
611 -- impact point + the wall's outward direction. Used for both projectile-vs-
612 -- chamber and projectile-vs-wall bounces.
613 function projectile_wall_hit_fx(x, y, normal_angle, intensity)
614   sound_play(sounds['concrete_' .. random_int(1, 3)], 0.7, random_float(0.95, 1.05))
615   spawn_hit_circle(x, y, {
616     radius         = 6 + 4 * intensity,
617     duration       = random_float(0.15, 0.3),
... [20 more lines]

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

645    collection_update(projectiles, dt)
646   collection_update(effects, dt)
647 
648   for _, ev in ipairs(collision_entities_begin('ball', 'chamber')) do
649     local b = ev.a
650     if b and not b._dead then
651       b:on_wall_hit(ev.x or b.x, ev.y or b.y, ev.nx or 0, ev.ny or 0)
652     end
653   end
654 
655   -- Projectile bounces — same handler for chamber and border walls. EBB's
656   -- intensity formula remaps speed 300..600 → 0..1, both for the spring
657   -- pull and the VFX scaling. Box2D's contact normal points from the
658   -- first body toward the second; we flip with +π so particles fly
659   -- AWAY from the wall the projectile just hit.
660   for _, ev in ipairs(collision_entities_begin('projectile', 'chamber')) do
661     local p = ev.a
662     if p and not p._dead then
663       local vx, vy   = p.collider:get_velocity()
664       local intensity = math.clamp(math.remap(math.length(vx, vy), 300, 600, 0, 1), 0, 1)
665       local normal_angle = math.atan(ev.ny or 0, ev.nx or 0) + math.pi
666       projectile_wall_hit_fx(ev.x or p.x, ev.y or p.y, normal_angle, intensity)
667       p:on_wall_hit(intensity)
668     end
669   end
670   for _, ev in ipairs(collision_entities_begin('projectile', 'wall')) do
671     local p = ev.a
672     if p and not p._dead then
673       local vx, vy   = p.collider:get_velocity()
674       local intensity = math.clamp(math.remap(math.length(vx, vy), 300, 600, 0, 1), 0, 1)
... [20 more lines]

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

623        gravity        = FIRING_PARTICLE_GRAVITY,
624       flash_on_spawn = true,
625     })
626   end
627 end
628 
629 -- -----------------------------------------------------------------------------
630 -- init
631 -- -----------------------------------------------------------------------------
632 the_chamber       = chamber(CHAMBER_X, CHAMBER_Y, CHAMBER_HALF)
633 balls[#balls + 1] = ball(CHAMBER_X, CHAMBER_Y)
634 top_wall          = wall(gw/2, BORDER_TOP/2,        gw, BORDER_TOP)
635 bottom_wall       = wall(gw/2, gh - BORDER_BOTTOM/2, gw, BORDER_BOTTOM)
636 
637 -- -----------------------------------------------------------------------------

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

1341:        self.effects:add(emoji_particle(projectile_object.x, projectile_object.y, an.images.cd, {
1378:          self.effects:add(emoji_particle(cd_object.x, cd_object.y, an.images.cd, {
2438:            self.parent.effects:add(emoji_particle(child.x, child.y, an.images.cd, {
3090:    my_arena.effects:add(emoji_particle(spawn_x, spawn_y, an.images.heart, {
3291:    my_arena.effects:add(emoji_particle(self.emoji_x, self.emoji_y, an.images.star, {
3310:    my_arena.effects:add(emoji_particle(self.weapon_x + ox, self.weapon_y - 4, an.images.boom, {
3399:emoji_particle = object:extend()
3401:function emoji_particle:new(x, y, image, args)
3430:function emoji_particle:update(dt)
4293:          self.parent.parent.effects:add(emoji_particle(self.x, self.y, an.images.cd, {

3399 emoji_particle = object:extend()
3400    
3401    function emoji_particle:new(x, y, image, args)
3402      args = args or {}
3403      self.x, self.y = x, y
3404      self.image = image
3405      object.new(self)
3406      self.scale = args.scale or 1
3407      self.velocity = args.velocity or an.random:float(75, 150)
3408      self.direction = args.direction or an.random:angle()
3409      self.duration = args.duration or an.random:float(0.4, 0.6)
3410      self.scale = 14*self.scale/self.image.width
3411      self.gravity_velocity = 0
3412      self.gravity = args.gravity or 0
3413      self.angle_mode = args.angle_mode -- nil, 'forward', 'backward', or number
3414      if type(self.angle_mode) == 'number' then self.rotation = self.angle_mode else self.rotation = an.random:angle() end
3415      self.rotation_speed = args.rotation_speed or an.random:float(-2*math.pi, 2*math.pi)
3416      if self.angle_mode then self.rotation_speed = 0 end
3417    
3418      self:add(timer())
3419      self:add(spring())
3420      self.timer:tween(self.duration, self, {velocity = 0, scale = 0}, math.linear, function() self:kill() end)
3421    
3422      if args.flash_on_spawn then
3423        self.flashing = true
3424        local flash_duration = (args.flash_on_spawn or 1)*self.duration
3425        self.timer:after(flash_duration, function() self.flashing = false end)
3426        self.spring:pull('main', 0.3, 3, 0.7)
3427      end
3428    end
... [30 more lines]

3285   self.spring:pull('emoji_scale', 0.3, 3, 0.7)
3286      self.spring:pull('emoji_rotation', an.random:float(-0.3, 0.3), 3, 0.5)
3287    
3288      -- Spawn star emoji particles
3289      local my_arena = self.parent.parent
3290      for i = 1, an.random:int(1, 2) do
3291        my_arena.effects:add(emoji_particle(self.emoji_x, self.emoji_y, an.images.star, {
3292          velocity = an.random:float(75, 125),
3293          direction = an.random:float(-math.pi/4, 5*math.pi/4),
3294          scale = 1,
3295          duration = an.random:float(0.4, 0.6),
3296          flash_on_spawn = 0.25,
3297          gravity = 128,
3298        }))
3299      end
3300    end
3301    
3302    function weapon_ui:shoot()
3303      -- Spawn boom emoji particles
3304      local my_arena = self.parent.parent
3305      local ox
3306      if self.team == 'player' then ox = 8 else ox = -8 end
3307      local dir_base
3308      if self.team == 'player' then dir_base = -math.pi/4 else dir_base = math.pi end
3309      for i = 1, an.random:int(1, 2) do
3310        my_arena.effects:add(emoji_particle(self.weapon_x + ox, self.weapon_y - 4, an.images.boom, {
3311          velocity = an.random:float(75, 125),
3312          direction = an.random:float(dir_base, dir_base + math.pi/4),
3313          scale = an.random:float(1.4, 1.6),
3314          duration = an.random:float(0.3, 0.5),

ball_wall.ogg
concrete_2.ogg
concrete_5.ogg
concrete_8.ogg
outline.frag
revolver_shot1.ogg
revolver_shot2.ogg
revolver_shot3.ogg
shadow.frag
slight_smile.png
star.png

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

476  -- the launch velocity via apply_impulse (matches EBB exactly so the in-air
477 -- trajectory feels the same: short low arc, decays after each bounce).
478 -- =============================================================================
479 projectile = class()
480 
481 function projectile:new(x, y, direction, args)
482   args = args or {}
483   self.x, self.y = x, y
484   self.direction = direction
485   self.bounces   = args.bounces or PROJECTILE_BOUNCES
486   self.flashing  = false
487   make_entity(self)
488   self.timer  = timer_new()
489   self.spring = spring_new()
490   spring_add(self.spring, 'hit', 1)
491 
492   self.collider = collider(self, 'projectile', 'dynamic', 'box', PROJECTILE_W, PROJECTILE_H)
493   self.collider:set_position(x, y)
494   self.collider:set_restitution(PROJECTILE_RESTITUTION)
495   self.collider:set_friction(0)
496   self.collider:set_density(PROJECTILE_DENSITY)
497   self.collider:set_gravity_scale(PROJECTILE_GRAVITY_SCALE)
498   self.collider:set_bullet(true)
499   self.collider:apply_impulse(
500     PROJECTILE_VELOCITY_IMPULSE * math.cos(direction),
501     PROJECTILE_VELOCITY_IMPULSE * math.sin(direction)
502   )
503 
504   -- Pop-on-spawn pulse + brief white flash (EBB-faithful).
505   spring_pull(self.spring, 'hit', 0.3, 3, 0.5)
... [5 more lines]

461  end
462 
463 function hit_particle:draw()
464   local col = self.flashing and white() or self.color()
465   local r   = math.min(self.w, self.h) / 2
466   layer_push(game_layer, self.x, self.y, self._draw_angle or 0, self.sx, self.sy)
467   layer_rounded_rectangle(game_layer, -self.w/2, -self.h/2, self.w, self.h, r, col)
468   layer_pop(game_layer)
469 end
470 
471 function hit_particle:destroy() end
472 
473 -- =============================================================================
474 -- projectile — EBB Gun/Revolver bullet. Yellow capsule, gravity-affected,
475 -- bounces off walls/chamber up to `bounces` times then dies. Box2D applies
476 -- the launch velocity via apply_impulse (matches EBB exactly so the in-air
477 -- trajectory feels the same: short low arc, decays after each bounce).
478 -- =============================================================================
479 projectile = class()
480 

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

444:  self.max_ball_speed = 448
451:  self.system_energy = 250  -- default until first measurement
452:  self.min_wall_energy_boost = 1.0   -- boost at high energy (>=600)
453:  self.max_wall_energy_boost = 1.11 -- boost at very low energy (<=100)
454:  self.wall_energy_boost = 1
455:  self.wall_boost_chance = 0  -- probability of applying boost (0-100)
592:     Solution: Track system_energy (sum of both ball speeds) on ball-ball collisions.
606:     Also cap linear speed at @max_ball_speed and angular velocity at ball.max_angular_velocity.
608:  Speed is capped at @max_ball_speed to prevent things from getting too chaotic.
664:    self.system_energy = speed_a + speed_b
666:    local energy_ratio = math.remap(math.clamp(self.system_energy, 100, 600), 100, 600, 0, 1)
667:    self.wall_boost_chance = (1 - math.quad_out(energy_ratio)) * 100
669:    if self.system_energy <= 250 then
670:      self.wall_energy_boost = self.max_wall_energy_boost
671:    elseif self.system_energy >= 400 then
672:      self.wall_energy_boost = self.min_wall_energy_boost
674:      local boost_ratio = math.remap(self.system_energy, 250, 400, 0, 1)
675:      self.wall_energy_boost = math.lerp(math.sine_out(boost_ratio), self.max_wall_energy_boost, self.min_wall_energy_boost)
678:    -- Track high speed hits (either ball > 0.78*@max_ball_speed)
679:    local is_high_speed_hit = max_speed > 0.78*self.max_ball_speed
700:      local speed_ratio = math.remap(max_speed, 0, self.max_ball_speed, 0, 1)
745:    -- Cap speed at @max_ball_speed
747:    if speed_a > self.max_ball_speed then
748:      local scale = self.max_ball_speed/speed_a
754:    if speed_b > self.max_ball_speed then
755:      local scale = self.max_ball_speed/speed_b
761:    local is_low_horizontal = math.abs(vx_a) + math.abs(vx_b) < 0.25*self.max_ball_speed
816:    -- Cap speed at @max_ball_speed
818:    if speed_a > self.max_ball_speed then
819:      local scale = self.max_ball_speed/speed_a
... [4 more lines]

588       When intervention triggers, both balls get random horizontal impulse (100-200).
589 
590   4. WALL FALLBACK (prevents stalling) - ball-wall collisions
591      Problem: System energy can drop too low even with other systems in place.
592      Solution: Track system_energy (sum of both ball speeds) on ball-ball collisions.
593      On ball-wall collisions, probabilistically apply energy boost.
594      - Probability (quad_out): 100% at energy <=100, drops fast to 0% at energy >=600
595      - Boost value (sine_out): max at energy <=250, drops to 1.0 at energy >=400
596 
597   5. STUCK BALL DETECTION (prevents floor sliding) - implemented in ball class
598      Problem: A ball can lose vertical velocity and slide along a wall indefinitely.
599      Solution: Each ball tracks how long its vertical velocity stays very low (|vy| < 5)
600      while still having horizontal movement (|vx| > 5). If this persists for >0.5 seconds,
601      apply impulse to unstick it.
602 
603   6. WEAPON ENERGY BOOST (compensates for weapon collision energy loss) - weapon-weapon collisions
604      Problem: Weapon collisions drain energy from the system.
605      Solution: Apply @weapon_energy_boost (1.14x) on weapon-weapon collisions.
606      Also cap linear speed at @max_ball_speed and angular velocity at ball.max_angular_velocity.
607 
608   Speed is capped at @max_ball_speed to prevent things from getting too chaotic.
609 ]]
610 function arena:early_update(dt)
611   -- Background gradient (drawn early so clouds appear on top)
612   bg:rectangle_gradient_v(0, 0, gw, gh, sky_top(), sky_bottom())
613 
614   -- Pause system: press space or click to start
615   -- Music
616   if an:key_is_pressed('m') then
617     an:music_play('bgm')
... [55 more lines]

756        vx_b = vx_b*scale
757       vy_b = vy_b*scale
758     end
759 
760     -- Track low horizontal velocity collisions to prevent stalling
761     local is_low_horizontal = math.abs(vx_a) + math.abs(vx_b) < 0.25*self.max_ball_speed
762     if is_low_horizontal then
763       self.low_horizontal_hit_count = self.low_horizontal_hit_count + 1
764 
765       -- Linear: 25% per hit, guaranteed at 4 hits
766       local kick_chance = math.clamp(self.low_horizontal_hit_count, 0, 4)/4
767       if an.random:bool(kick_chance*100) then
768         self.low_horizontal_hit_count = 0
769         -- Apply horizontal impulse to both balls
770         vx_a = an.random:sign()*an.random:float(100, 200)
771         vx_b = an.random:sign()*an.random:float(100, 200)
772       end
773     else
774       self.low_horizontal_hit_count = 0
775     end
776 
777     ball_a.collider:set_velocity(vx_a, vy_a)
778     ball_b.collider:set_velocity(vx_b, vy_b)
779 
780     -- Sound
781     an:sound_play('ball_ball', 0.4, an.random:float(0.95, 1.05))
782 
783     -- Visual effects at collision contact point
784     -- Intensity normalized 0-1 based on combined speed (0-800 range)
785     local intensity = math.remap(combined_speed, 0, 800, 0, 1)
... [30 more lines]

588:     When intervention triggers, both balls get random horizontal impulse (100-200).
601:     apply impulse to unstick it.
1174:    if projectile_object.kitchen_knife_stuck then goto continue_knife_ball end
1959:  self.low_vy_time = 0
1960:  self.low_vy_threshold = an.random:float(0.5, 1.5)
2217:    self.low_vy_time = self.low_vy_time + dt
2218:    if self.low_vy_time > self.low_vy_threshold and math.abs(vy) < 15 then
2219:      self.low_vy_time = 0
2220:      self.low_vy_threshold = an.random:float(0.5, 1.5)
2232:    self.low_vy_time = 0
3871:-- Dash particle: spawns when ball unsticks from floor

2210     end
2211      end
2212    
2213      -- Low floor detection: if vertical velocity stays low while near the floor, give it a hop
2214      local vx, vy = self.collider:get_velocity()
2215      local near_floor = self.y + self.radius > self.parent.y + self.parent.h - 20
2216      if near_floor then
2217        self.low_vy_time = self.low_vy_time + dt
2218        if self.low_vy_time > self.low_vy_threshold and math.abs(vy) < 15 then
2219          self.low_vy_time = 0
2220          self.low_vy_threshold = an.random:float(0.5, 1.5)
2221          self.collider:apply_impulse(math.sign(vx)*an.random:float(0, 6), -24)
2222          -- Sound
2223          an:sound_play('hop', 0.5, an.random:float(0.95, 1.05))
2224          -- Squash horizontally, stretch vertically (opposite of floor hit)
2225          self.spring:pull('squash_y', 0.5, 3, 0.5)
2226          self.spring:pull('squash_x', -0.25, 3, 0.5)
2227          -- Spawn dash particle at ball's bottom, direction opposite to velocity
2228          local particle_angle = math.remap(vx, -100, 100, math.pi/4, 3*math.pi/4) + an.random:float(-math.pi/8, math.pi/8)
2229          self.parent.effects:add(dash_particle(self.x, self.y + self.radius, {direction = particle_angle}))
2230        end
2231      else
2232        self.low_vy_time = 0
2233      end
2234    
2235      -- Draw ball
2236      local squash_x = self.spring.squash_x.x
2237      local squash_y = self.spring.squash_y.x
2238      local hit_scale = self.spring.hit.x
2239    
... [10 more lines]

1025:      projectile_object.collider:set_gravity_scale(2)
1944:  self.collider:set_restitution(1)
1945:  self.collider:set_friction(0)
1946:  self.collider:set_linear_damping(0)
1951:  self.collider:set_restitution(1, self.weapon_shape)
1952:  self.collider:set_density(0, self.weapon_shape)
1955:  self.collider:set_restitution(1, self.weapon_sensor)
1956:  self.collider:set_density(0, self.weapon_sensor)
2021:  self.collider:set_gravity_scale(0)
2590:    self.collider:set_gravity_scale(0)
2605:  self.collider:set_gravity_scale(1)
2925:  self.collider:set_gravity_scale(1)
3948:    self.collider:set_restitution(0.75)
3949:    self.collider:set_friction(0)
3950:    self.collider:set_gravity_scale(0.5)

[Showing results with pagination = limit: 15]

123:function collider:set_density(density, shape) physics_shape_set_density(shape or self.shape, density) end
124:function collider:get_density(shape) return physics_shape_get_density(shape or self.shape) end

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The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

266    -- union.
267   layer_push(game_layer, self.x, self.y, self.angle, 1, 1)
268   layer_rounded_rectangle(game_layer, -h - t, -h - t, len, t,   r, col)  -- top
269   layer_rounded_rectangle(game_layer, -h - t,  h,     len, t,   r, col)  -- bottom
270   layer_rounded_rectangle(game_layer, -h - t, -h - t, t,   len, r, col)  -- left
271   layer_rounded_rectangle(game_layer,  h,     -h - t, t,   len, r, col)  -- right
272   layer_pop(game_layer)
273 end
274 
275 function chamber:destroy()
276   if self.collider then self.collider:destroy() end
277 end
278 
279 -- =============================================================================
280 -- ball — slight_smile emoji bouncing inside the chamber at constant speed.
281 -- Ricochet's approach: dynamic circle collider with restitution=1, friction=0,
282 -- linear_damping=0, fixed rotation, bullet (CCD). Box2D bleeds energy even at
283 -- restitution=1, so :update renormalizes velocity to BALL_SPEED every frame.
284 -- A small ±5° jitter on each bounce keeps it from settling into a repeating
285 -- path. :contain_in_chamber is defensive — handles the ball getting pushed
286 -- outside on resize/rotation/tunneling.
287 -- =============================================================================
288 ball = class()
289 
290 function ball:new(x, y)
291   self.x, self.y = x, y
292   self.radius    = BALL_RADIUS
293   self.speed     = BALL_SPEED
294   make_entity(self)
295   self.timer  = timer_new()
... [30 more lines]

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94   WALL_BOOST_SPEED_LOW   = 50      -- below this speed, boost chance = 100%
95  WALL_BOOST_SPEED_HIGH  = 300     -- above this speed, boost chance = 0%
96  WALL_BOOST_VALUE_LOW   = 100     -- below this speed, max boost
97  WALL_BOOST_VALUE_HIGH  = 200     -- above this speed, no boost
98  WALL_BOOST_MAX         = 1.15    -- max velocity multiplier (EBB uses 1.11)
99  WALL_BOOST_MIN         = 1.0
100 FLOOR_UNSTICK_VY_THRESHOLD = 15  -- |vy| below this counts as "stuck"
101 FLOOR_UNSTICK_KICK_X       = 12  -- horizontal nudge magnitude (sign-of-vx · random(0..N))
102 FLOOR_UNSTICK_KICK_Y_MIN   = 60  -- upward impulse min (Box2D impulse units)
103 FLOOR_UNSTICK_KICK_Y_MAX   = 100
104 
105 -- Projectile (EBB Gun/Revolver bullet — capsule, gravity-affected, bounces)
106 PROJECTILE_W                = 15
107 PROJECTILE_H                = 8
108 PROJECTILE_VELOCITY_IMPULSE = 6       -- impulse magnitude applied at spawn (EBB uses 15; tuned down for our smaller play area)
109 PROJECTILE_RESTITUTION      = 0.75
110 PROJECTILE_DENSITY          = 0.4
111 PROJECTILE_GRAVITY_SCALE    = 0.5
112 PROJECTILE_BOUNCES          = 2       -- bounces before death (EBB default)
113 PROJECTILE_FLASH_DURATION   = 0.1

114  PROJECTILE_SPAWN_GAP        = 8       -- px past the outer wall edge so spawn doesn't clip the chamber
115 
116 -- Firing VFX parameters (the muzzle flash — replaces EBB's boom_particle).
117 -- Mirrors EBB's projectile-wall hit visual: a yellow hit_circle plus 1-3
118 -- yellow hit_particles flying outward.
119 FIRING_HIT_CIRCLE_RADIUS = 8
120 FIRING_PARTICLE_GRAVITY  = 256
121 
122 WORLD_GRAVITY_Y = 384                  -- matches EBB; ball has gravity_scale=0 so it's unaffected
123 
124 -- -----------------------------------------------------------------------------
125 -- physics
126 -- -----------------------------------------------------------------------------
127 physics_init()
128 physics_set_gravity(0, WORLD_GRAVITY_Y)

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117:PROJECTILE_HIT_PARTICLE_GRAVITY = 256
776:      gravity        = FIRING_PARTICLE_GRAVITY,

760  -- Wall-impact effect. Same VFX recipe as the muzzle flash, just with the
761 -- impact point + the wall's outward direction. Used for both projectile-vs-
762 -- chamber and projectile-vs-wall bounces.
763 function projectile_wall_hit_fx(x, y, normal_angle, intensity)
764   spawn_hit_circle(x, y, {
765     radius         = 6 + 4 * intensity,
766     duration       = random_float(0.15, 0.3),
767     color          = yellow,
768     flash_on_spawn = true,
769   })
770   for i = 1, random_int(1, 3) do
771     spawn_hit_particle(x, y, {
772       velocity       = intensity * random_float(100, 200),
773       direction      = normal_angle + random_float(-math.pi/3, math.pi/3),
774       duration       = random_float(0.3, 0.5),
775       color          = yellow,
776       gravity        = FIRING_PARTICLE_GRAVITY,
777       flash_on_spawn = true,
778     })
779   end
780 end
781 
782 -- -----------------------------------------------------------------------------
783 -- init
784 -- -----------------------------------------------------------------------------

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OK

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The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

130  -- -----------------------------------------------------------------------------
131 -- layers (minimal pipeline: bg + game + derived shadow/outline + ui)
132 -- -----------------------------------------------------------------------------
133 bg_layer     = layer_new('bg')
134 game_layer   = layer_new('game')
135 shadow_layer = layer_new('shadow')        -- derived from game via shadow shader
136 game_outline = layer_new('game_outline')  -- derived from game via outline shader
137 ui_layer     = layer_new('ui')
138 
139 -- -----------------------------------------------------------------------------
140 -- shaders
141 -- -----------------------------------------------------------------------------
142 shadow_shader  = shader_load_file('assets/shadow.frag')
143 outline_shader = shader_load_file('assets/outline.frag')
144 
145 -- outline shader needs pixel size to sample neighbors. gw/gh are static so
146 -- set the uniform once at load time.
147 shader_set_vec2_immediate(outline_shader, 'u_pixel_size', 1/gw, 1/gh)
148 
149 -- -----------------------------------------------------------------------------

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496:function hit_circle:draw()
544:function hit_particle:draw()
620:function emoji_particle:draw()

494  function hit_circle:update(dt) timer_update(self.timer, dt) end
495 
496 function hit_circle:draw()
497   local col = self.flashing and white() or self.color()
498   layer_circle(game_layer, self.x, self.y, self.radius, col)
499 end
500 
501 function hit_circle:destroy() end
502 
503 -- =============================================================================

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543  
544 function hit_particle:draw()
545   local col = self.flashing and white() or self.color()
546   local r   = math.min(self.w, self.h) / 2
547   layer_push(game_layer, self.x, self.y, self._draw_angle or 0, self.sx, self.sy)
548   layer_rounded_rectangle(game_layer, -self.w/2, -self.h/2, self.w, self.h, r, col)
549   layer_pop(game_layer)
550 end
551 
552 function hit_particle:destroy() end

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

619  
620 function emoji_particle:draw()
621   local s = self.scale * self.spring.main.x
622   layer_push(game_layer, self.x, self.y, self.rotation, s, s)
623   layer_image(game_layer, self.image, 0, 0, nil, self.flashing and white())
624   layer_pop(game_layer)
625 end
626 
627 function emoji_particle:destroy() end
628 

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

810        local vx, vy   = p.collider:get_velocity()
811       local intensity = math.clamp(math.remap(math.length(vx, vy), 300, 600, 0, 1), 0, 1)
812       local normal_angle = math.atan(ev.ny or 0, ev.nx or 0) + math.pi
813       projectile_wall_hit_fx(ev.x or p.x, ev.y or p.y, normal_angle, intensity)
814       p:on_wall_hit(intensity)
815     end
816   end
817 
818   camera_update(main_camera, dt)
819   process_destroy_queue()
820 
821   -- Resize input goes AFTER event drains + destroy queue so we don't
822   -- invalidate any in-flight Box2D body handles.
823   if input_pressed('chamber_smaller') then
824     the_chamber:resize(math.max(CHAMBER_HALF_MIN, the_chamber.half - CHAMBER_RESIZE_STEP))
825   end
826   if input_pressed('chamber_bigger') then
827     the_chamber:resize(math.min(CHAMBER_HALF_MAX, the_chamber.half + CHAMBER_RESIZE_STEP))
828   end
829 end
830 
831 -- Top + bottom border zones drawn as green rounded rectangles. Each rect
832 -- extends past the screen on its three OUTER sides (top/left/right for
833 -- the top border, bottom/left/right for the bottom border) so only the
834 -- inner edge's rounded corners are visible — the same off-screen-extension
835 -- trick emoji-merge uses for its solid_top.
836 function draw_borders()
837   local off = BORDER_OFFSCREEN
838   local r   = BORDER_RADIUS
839 
... [20 more lines]

855    layer_rectangle_gradient_v(bg_layer, 0, 0, gw, gh, sky_top(), sky_bottom())
856 
857   -- camera attaches to game_layer only (the sky bg should not jitter, and the
858   -- shadow / outline layers inherit the jitter automatically because they
859   -- derive from game_layer's texture)
860   camera_attach(main_camera, game_layer)
861   draw_borders()
862   the_chamber:draw()
863   for _, b  in ipairs(balls)       do b:draw()  end
864   for _, p  in ipairs(projectiles) do p:draw()  end
865   for _, fx in ipairs(effects)     do fx:draw() end
866   camera_detach(main_camera, game_layer)
867 
868   -- flush queued commands to FBOs ---------------------------------------------
869   layer_render(bg_layer)
870   layer_render(game_layer)
871   layer_render(ui_layer)
872 
873   -- derive shadow + outline from game_layer -----------------------------------
874   layer_clear(shadow_layer)
875   layer_draw_from(shadow_layer, game_layer, shadow_shader)
876 
877   layer_clear(game_outline)
878   layer_draw_from(game_outline, game_layer, outline_shader)
879 
880   -- composite to screen --------------------------------------------------------
881   layer_draw(bg_layer)
882   layer_draw(shadow_layer, 4, 4)
883   layer_draw(game_outline)
884   layer_draw(game_layer)
... [3 more lines]

The file E:/a327ex/emoji-ball-bounce/main.lua has been updated successfully. (file state is current in your context — no need to Read it back)

OK

Exit code 2
ls: cannot access 'E:/a327ex/emoji-ball-bounce/*.md': No such file or directory

File created successfully at: E:/a327ex/emoji-ball-bounce/design.md (file state is current in your context — no need to Read it back)

total 28
drwxr-xr-x 1 adn 197121 0 Apr 26 09:45 ./
drwxr-xr-x 1 adn 197121 0 Apr 26 20:14 ../
drwxr-xr-x 1 adn 197121 0 Apr 26 09:45 emoji-merge-main/
drwxr-xr-x 1 adn 197121 0 Apr 26 09:45 emojunky-one/
drwxr-xr-x 1 adn 197121 0 Apr 26 09:45 super emoji box/
drwxr-xr-x 1 adn 197121 0 Apr 26 09:45 super emoji pop/
drwxr-xr-x 1 adn 197121 0 Apr 26 09:45 super-emoji-box/
drwxr-xr-x 1 adn 197121 0 Apr 26 09:45 super-emoji-invaders/
drwxr-xr-x 1 adn 197121 0 Apr 26 09:45 super-emoji-pop-prototype/

E:/a327ex/emoji-ball-bounce/reference/main.lua

E:/a327ex/emoji-ball-bounce/:
anchor/
anchor.exe*
assets/
design.md
reference/
run.bat

Launching skill: end-session

# End Session Workflow

This skill is invoked from the **same conversation** where the work was done. You already have the full session context in memory — you do NOT need to read the transcript.

## Step 1: Get Session Info

Ask the user for the **session title** (max 30 characters). Examples: "Anchor Phase 10 Part 5", "Physics Arena Setup", "Timer System Fix", "Thalien Lune Design".

**Determine the project yourself from your session context** — you know which repo(s) were worked on, which files were created/modified, and where they live. No need to ask. See Step 6 for the list of known project roots; if the session touched something outside the list, infer the root from the paths you actually edited.

## Step 2: Write Summary

Write the summary from your conversation memory. You have the full session context — no need to read any files.

The summary should be **thorough and detailed**. Each major topic deserves its own section with multiple specific bullet points. Don't compress — expand.

**Purpose:** These summaries serve as searchable records. Future Claude instances will grep through past logs to find how specific topics were handled. The more detail you include, the more useful the summary becomes for finding relevant context later.

Format (this is just an example structure — adapt sections to match what actually happened):

```markdown
# [Title]

## Summary

[1-2 sentence overview of the session's main focus]

**[Topic 1 - e.g., "Spring Module Implementation"]:**
- First specific detail about what was done
- Second detail - include file names, function names
- User correction or feedback (quote if notable)
- Technical decisions and why

**[Topic 2 - e.g., "Camera Research"]:**
- What was researched
- Key findings
- How it influenced implementation

**[Topic 3 - e.g., "Errors and Fixes"]:**
- Specific error message encountered
- Root cause identified
- How it was fixed

[Continue for each major topic...]

---

[Rest of transcript follows]
```

Rules:

- **Be thorough** — If in doubt, include more detail, not less. Each topic should be as detailed as possible while still being a summary.
- **Think searchability** — Future instances will search these logs. Include keywords, function names, error messages that someone might grep for.
- **One section per major topic** — Don't combine unrelated work into one section
- **Chronological order** — Sections should match conversation flow
- **Specific details** — Error messages, file names, function names, parameter values
- **Include user quotes** — When user gave notable feedback, quote it (e.g., "k/d variables are not intuitive at all")
- **Weight planning equally** — Research, proposals, alternatives considered, user feedback on approach are as important as implementation
- **Weight problems solved** — Errors, root causes, fixes, user corrections all matter
- **Technical specifics** — Include formulas, API signatures, parameter changes when relevant

## Step 3: Get User Approval

Show the title and summary to the user. Wait for approval before proceeding. If they have corrections, fix them.

## Step 4: Convert Transcript and Write Log File

```bash
# Find recent sessions (Claude + Cursor; see script). Same script lives in Anchor2:
python E:/a327ex/Anchor2/scripts/find-recent-session.py --limit 5
# or: python E:/a327ex/Anchor/scripts/find-recent-session.py --limit 5
```

The script shows sessions sorted by when they ended. The **first result** is the current conversation (since end-session was invoked here). Use it.

Convert the transcript to markdown and write the log file with the approved summary as header:

```bash
python E:/a327ex/Anchor2/scripts/jsonl-to-markdown.py [SESSION_PATH] E:/a327ex/anchor.blot.im/logs/[slug].md
# or: python E:/a327ex/Anchor/scripts/jsonl-to-markdown.py ...
```

The same script **auto-detects** Claude Code JSONL vs Cursor/Composer agent JSONL (`~/.cursor/projects/.../agent-transcripts/...`). For Composer sessions, use `find-recent-session.py` (it merges both sources) and pick the `[cursor]` line for the current chat.

Use lowercase hyphenated slug derived from the title (e.g., "anchor-primitives-hitstop-animation").

Then replace the default header (`# Session YYYY-MM-DD...`) with the approved title and summary.

## Step 5: Sync Context Files to Blot

```bash
cp E:/a327ex/.claude/CLAUDE.md E:/a327ex/anchor.blot.im/context/CLAUDE.md
cp E:/a327ex/Anchor/docs/* E:/a327ex/anchor.blot.im/context/
```

**When the session was Anchor2** (optional):

```bash
cp E:/a327ex/Anchor2/.claude/CLAUDE.md E:/a327ex/anchor.blot.im/context/CLAUDE_ANCHOR2.md
```

## Step 6: Commit Project Repo

Identify the project repo(s) worked on this session from your own context — you already know which repos were touched and which files changed. For the common projects, here are the canonical staging commands:

| Project | Root | Stage command |
|---|---|---|
| Anchor | `E:/a327ex/Anchor` | `git add docs/ framework/ engine/ scripts/ reference/` |
| Anchor2 | `E:/a327ex/Anchor2` | `git add framework/ engine/ arena/ reference/ scripts/ docs/ .claude/` |
| emoji-ball-battles | `E:/a327ex/emoji-ball-battles` | `git add -A` |
| orblike | `E:/a327ex/orblike` | `git add -A` |
| thalien-lune | `E:/a327ex/thalien-lune` | `git add -A` |

For a project not listed, infer the root from the files you actually created or modified this session and stage those. If multiple candidate roots look valid, ask the user which files to stage.

`cd` into the project root, stage, run `git status` to verify before committing.

**IMPORTANT — FULL SUMMARY IN COMMIT:** The commit message MUST include the FULL summary from the log file. Read the summary back from the log file to ensure nothing is missing.

**IMPORTANT — COMMIT METHOD:** The summary contains backticks, special characters, and markdown that WILL break heredocs and `git commit -m`. ALWAYS use the file-based method below. NEVER try a heredoc first — it will fail and produce a malformed commit that needs amending.

Commit using a temporary file (extracts only the summary text, not the markdown heading or `## Summary` line):

```bash
# Extract summary: skip line 1 (# Title) and line 3 (## Summary), take lines 4 onward until the --- separator
awk 'NR>=4 && /^---$/{exit} NR>=4{print}' E:/a327ex/anchor.blot.im/logs/[slug].md > /tmp/commit_msg.txt

# Prepend the title (plain text, no #) and append attribution
sed -i "1i [Title]\n" /tmp/commit_msg.txt
printf "\nGenerated with [Claude Code](https://claude.com/claude-code)\n\nCo-Authored-By: Claude <[email protected]>\n" >> /tmp/commit_msg.txt

git commit -F /tmp/commit_msg.txt
```

## Step 7: Push Both Repos

```bash
# Push project repo to GitHub
git push origin main

# Push Blot repo (logs and context are already there)
cd E:/a327ex/anchor.blot.im && git add -A && git commit -m "[Title]" && git push origin master
```

## Step 8: Confirm

Tell the user:

- Commit hash
- That GitHub push succeeded
- That Blot push succeeded


ARGUMENTS: Emoji Ball Bounce Exploration

2026-04-26T23:36:17.316Z 49c3ebaf-1516-4f8d-97a6-e4db761c1d10 [claude] <-- MOST RECENT

   C:\Users\adn\.claude\projects\E--a327ex\49c3ebaf-1516-4f8d-97a6-e4db761c1d10.jsonl



2026-04-26T23:07:39.829Z 8f867da8-6295-4e85-8aa6-d0f5774e6771 [claude]

   C:\Users\adn\.claude\projects\E--a327ex\8f867da8-6295-4e85-8aa6-d0f5774e6771.jsonl



2026-04-26T22:42:57.364Z 27b23945-15c3-4fe6-8e55-a650c008d974 [claude]

   C:\Users\adn\.claude\projects\E--a327ex\27b23945-15c3-4fe6-8e55-a650c008d974.jsonl



2026-04-26T16:44:25.853Z 4095a51e-7820-4d02-8d63-cc7b2ec545d3 [claude]

   C:\Users\adn\.claude\projects\E--a327ex\4095a51e-7820-4d02-8d63-cc7b2ec545d3.jsonl



2026-04-26T15:51:54.795Z c219fe18-809e-4000-be4a-fa5e224e8bba [claude]

   C:\Users\adn\.claude\projects\E--a327ex\c219fe18-809e-4000-be4a-fa5e224e8bba.jsonl

Written to E:/a327ex/anchor.blot.im/logs/emoji-ball-bounce-exploration.md

1    # Session 2026-04-26 01:38
2   
3   ---
4   
5   > We currently have a project called Ricochet where we implemented a game about a ball that bounces inside a square and spawns projectiles on each wall hit. The projectiles fly outwards, hitting enemies that spawn from the left and right of the screen. I'd like to try a variation of this game called Emoji Ball Bounce (create emoji-ball-bounce folder) that has the same gameplay but uses Emoji Ball Battles visuals instead. Visually, the game should use the exact same style as Emoji Ball Battles. But be mindful that Emoji Ball Battles is written in Anchor1, while now we're using Anchor2, so there are small differences to be aware of. For your first task, get the folder going and the basics of the game running, with rough visual mode, background in the color that's used for the original, appropriate game size, etc. Just a game that opens and runs and is visually working. The outline + shadow shader should also be ported initially here and you can draw a simple circle in the center of the screen to test that it works properly. If you have any questions ask before proceeding.

The file E:/a327ex/anchor.blot.im/logs/emoji-ball-bounce-exploration.md has been updated successfully. (file state is current in your context — no need to Read it back)

Context synced

Exit code 128
fatal: not a git repository (or any of the parent directories): .git
fatal: not a git repository (or any of the parent directories): .git

E:/a327ex/anchor.blot.im

warning: in the working copy of 'context/ANCHOR_CONTEXT_BRIEF.md', LF will be replaced by CRLF the next time Git touches it
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On branch master
Your branch is up to date with 'origin/master'.

Changes to be committed:
  (use "git restore --staged <file>..." to unstage)
    new file:   logs/emoji-ball-bounce-exploration.md

[master 9627fa4] Emoji Ball Bounce Exploration
 1 file changed, 4357 insertions(+)
 create mode 100644 logs/emoji-ball-bounce-exploration.md
To https://blot.im/clients/git/end/anchor.git
   a9a8d20..9627fa4  master -> master

Initialized empty Git repository in E:/a327ex/emoji-ball-bounce/.git/

174K E:/a327ex/emoji-ball-bounce/anchor
4.0M    E:/a327ex/emoji-ball-bounce/anchor.exe
261K    E:/a327ex/emoji-ball-bounce/assets
8.0K    E:/a327ex/emoji-ball-bounce/design.md
520M    E:/a327ex/emoji-ball-bounce/reference
1.0K    E:/a327ex/emoji-ball-bounce/run.bat

total 68
drwxr-xr-x 1 adn 197121     0 Apr 26 20:25 ./
drwxr-xr-x 1 adn 197121     0 Apr 26 20:40 ../
drwxr-xr-x 1 adn 197121     0 Apr 26 09:45 emoji-merge-main/
drwxr-xr-x 1 adn 197121     0 Apr 26 09:45 emojunky-one/
-rw-r--r-- 1 adn 197121 37309 Apr 26 13:46 main.lua
drwxr-xr-x 1 adn 197121     0 Apr 26 09:45 super emoji box/
drwxr-xr-x 1 adn 197121     0 Apr 26 09:45 super emoji pop/
drwxr-xr-x 1 adn 197121     0 Apr 26 09:45 super-emoji-box/
drwxr-xr-x 1 adn 197121     0 Apr 26 09:45 super-emoji-invaders/
drwxr-xr-x 1 adn 197121     0 Apr 26 09:45 super-emoji-pop-prototype/

File created successfully at: E:/a327ex/emoji-ball-bounce/.gitignore (file state is current in your context — no need to Read it back)

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    new file:   anchor/color.lua
    new file:   anchor/font.lua
    new file:   anchor/helpers.lua
    new file:   anchor/image.lua
    new file:   anchor/init.lua
    new file:   anchor/input.lua
    new file:   anchor/layer.lua
    new file:   anchor/math.lua
    new file:   anchor/memory.lua
    new file:   anchor/object.lua
... [19 more lines]

anchor.exe
36

Emoji Ball Bounce Exploration


Long exploratory session that built a working physics prototype for `emoji-ball-bounce/` (variant of Ricochet using Emoji Ball Battles' visual style on Anchor 2), then iteratively refined it through several mechanical pivots, ending in a design conversation that shifted the project's direction from "chamber + enemies + projectiles" to "Balatro-style score game with Artifact-style card layer over EBB physics." Final state: working prototype archived to `reference/main.lua`, fresh `design.md` written for the rebuild.

---


Generated with [Claude Code](https://claude.com/claude-code)

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

 create mode 100644 assets/outline.frag
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 create mode 100644 assets/revolver_shot3.ogg
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 create mode 100644 assets/slight_smile.png
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 create mode 100644 design.md
 create mode 100644 reference/main.lua
 create mode 100644 run.bat

b847287 Emoji Ball Bounce Exploration
https://github.com/a327ex/emoji-ball-bounce
branch 'main' set up to track 'origin/main'.
To github.com:a327ex/emoji-ball-bounce.git
 * [new branch]      HEAD -> main

[master 4bbfd44] Refresh
To https://blot.im/clients/git/end/anchor.git
   9627fa4..4bbfd44  master -> master

[master cccced4] Refresh 2
To https://blot.im/clients/git/end/anchor.git
   4bbfd44..cccced4  master -> master

warning: in the working copy of 'logs/emoji-ball-bounce-exploration.md', LF will be replaced by CRLF the next time Git touches it
[master f57e4a9] Refresh 3
 1 file changed, 1 insertion(+)
To https://blot.im/clients/git/end/anchor.git
   cccced4..f57e4a9  master -> master