a327ex.com

EBB Lollipop

Summary

This session was started from ATTACK_REFERENCE.md in emoji-ball-battles/docs/, which contains the lollipop weapon design spec. During this session, ATTACK_REFERENCE.md was moved to anchor.blot.im/context/ATTACK_REFERENCE.md. Full implementation session for the lollipop weapon in emoji-ball-battles: a ranged weapon that fires spiral projectiles once per full rotation. Implementation covered physics setup, spiral movement, parry interactions, auto-attack logic, visual effects, sound normalization, and weapon UI.

File Sync:

Design Decisions (via Q&A):

Step 1 — Image and Color Constants:

Step 2 — Weapon Setup:

Step 3 — Spiral Projectile (in existing projectile class):

Turn Rate Deceleration:

Physics: Spiral Ignoring Weapons/Balls:

Parry Interactions:

Auto-Attack — Rotation-Based:

Spawn Restriction:

Visual Effects on Spawn:

Sounds (3 files):

Weapon UI:

Rotation Scaling Per Hit:

Final State:



Let's keep working on Emoji Ball Battles. @emoji-ball-battles\docs\ATTACK_REFERENCE.md contains the current design ideas. Actually, first, can you check if this file has been synced properly to anchor.blot.im?

Let me check the blog structure and see if the file is there.

Glob (anchor.blot.im//reference)

No files found

No match for anything attack/reference related. Let me check what's actually in the blog directory to understand its structure.

Bash (ls E:/a327ex/anchor.blot.im/)

context/
files/
logs/
notes/
pages/

The ATTACK_REFERENCE.md file is not in the anchor.blot.im/ directory. It only exists at emoji-ball-battles/docs/ATTACK_REFERENCE.md.

The blog has some related weapon design files — context/WEAPON_DESIGN.md, context/PHASE2_WEAPONS.md, and logs like ebb-weapon-design-and-plan.md and ebb-weapon-redesign.md — but no ATTACK_REFERENCE.md.

Would you like me to copy it over? If so, where should it go — context/, notes/, or somewhere else?

OK then copy it there to context/

Bash (cp E:/a327ex/emoji-ball-battles/docs/ATTACK_REFERENCE.md E:/a327ex/anchor.blot.i...)

Done. Copied to anchor.blot.im/context/ATTACK_REFERENCE.md.

Now, let's implement the lollipop. Projectile colors = 255, 204, 77; 244, 144, 72; 221, 46, 68. Projectiles spawned by the lollipop will alter sequentially between these colors, so 1 projectile is the first, the next is the other, and so on. Everything also about the behavior of the lollipop will be the same. Periodically spawns projectiles that spiral outwards. For starters let's not make the projectiles follow the lollipop, they spawn and they spiral outwards from where they spawned. Anything also about the design that I missed?

Let me read the required files to get oriented.

Read (E:/a327ex/emoji-ball-battles/main.yue)

File content (59865 tokens) exceeds maximum allowed tokens (25000). Please use offset and limit parameters to read specific portions of the file, or use the GrepTool to search for specific content.

Read (E:/a327ex/website/notes/Anchor Engine Overview.md)

<tool_use_error>Sibling tool call errored</tool_use_error>

The main file is very large. Let me look at existing weapon implementations to understand the patterns.

Grep (lollipop)

No matches found

Grep (weapon_types|weapons_data)

No matches found

Grep (class Bow|class Gun|class Dagger|class Sword)

No matches found

Grep (bow|gun|dagger|sword|weapon)

27:bowstring = color 217, 158, 130
48:weapons = an\layer 'weapons'
49:weapons_outline = an\layer 'weapons_outline'
79:an\image 'dagger', 'assets/dagger.png'
80:an\image 'sword', 'assets/sword.png'
81:an\image 'gun', 'assets/gun.png'
85:an\image 'bow', 'assets/bow.png'
129:--   dagger_dagger: -16.5 dB → 0.22 (unused)
130:--   dagger_wall: -24.1 dB → 0.5
131:--   dagger_ball: -28.7 dB → 0.7
132:--   gun_fire_1 (revolver_shot1): -24.7 dB → 0.54
133:--   gun_fire_2 (revolver_shot2): -24.9 dB → 0.56
134:--   gun_fire_3 (revolver_shot3): -23.3 dB → 0.46
135:--   weapon_projectile_1 (metal_light_2): -30.0 dB → 1.0
136:--   weapon_projectile_2 (metal_light_4): -30.5 dB → 1.0
145:--   dagger_swing_1: -32.8 dB → 1.0
146:--   dagger_swing_2: -26.4 dB → 0.66
147:--   dagger_swing_3 (swing_8): -26.4 dB → 0.66
148:--   dagger_swing_4 (swing_9): -25.1 dB → 0.57
149:--   dagger_swing_5 (swing_10): -29.1 dB → 0.9
150:--   bow_string_drawing_fast_2: -38.9 dB → 1.0
151:--   drawing_bow_backwards_6: -40.6 dB → 1.0
152:--   drawing_bow_backwards_9: -42.3 dB → 1.0
153:--   light_sword_swing_2: -28.3 dB → 0.73
154:--   light_sword_swing_3: -29.7 dB → 0.86
155:--   light_sword_swing_14: -29.7 dB → 0.86
156:--   light_sword_swing_9: -30.0 dB → 1.0
157:--   releasing_bow_string_1: -34.3 dB → 1.0
158:--   releasing_bow_string_2: -35.4 dB → 1.0
159:--   releasing_bow_string_8: -34.0 dB → 1.0
... [22 more lines]

Grep (^(create|new|spawn|init)?(dagger|gun|bow|sword|weapon|bullet|arrow|projectile))

27:bowstring = color 217, 158, 130
48:weapons = an\layer 'weapons'
49:weapons_outline = an\layer 'weapons_outline'

Grep (create_dagger|create_gun|create_bow|create_sword|create_weapon|weapon_init|new_weapon)

No matches found

Grep (dagger|arrow|bullet)

1516:        @bow_arrow_alpha = 0
1520:    elseif @weapon_type == 'dagger'
1537:            an\sound_play "dagger_swing_#{an.random\int(1, 5)}", 0.7, an.random\float(0.95, 1.05)
1662:      -- Draw arrow on top of string and bow
1663:      if @bow_arrow_alpha > 0
1664:        arrow_x = (top_wx + bot_wx)/2 - (pull - 6.5)*cos_a
1665:        arrow_y = (top_wy + bot_wy)/2 - (pull - 6.5)*sin_a
1666:        arrow_scale = 26/512
1667:        weapons\push arrow_x, arrow_y, @angle + 3*math.pi/4, arrow_scale, arrow_scale
1668:        weapons\image an.images.arrow, 0, 0, nil, @weapon_flashing and white!
1671:    elseif @weapon_type == 'dagger'
1702:    an\sound_play 'dagger_ball', 0.88, an.random\float(0.95, 1.05)
1845:      @collider\set_bullet true
1858:    @collider\set_bullet false
1881:  -- Bow callback: fire volley of arrows
1887:    -- t = math.min((@arrows_per_shot - 1)/19, 1)
1888:    -- arrow_delay = 0.2 - 0.16*math.cubic_out(t)
1889:    arrow_delay = 0.08
1890:    n = @arrows_per_shot
1893:      -- Single arrow: full release, full recoil
1894:      @\fire_single_arrow shot_id, 0.2, 0.08
1898:      -- First arrow: scaled release, full recoil, then pull for next
1899:      @\fire_single_arrow shot_id, arrow_delay*0.5, arrow_delay*0.4
1900:      @timer\after arrow_delay*0.3, -> @\bow_start_pull arrow_delay*0.7
1902:      -- Remaining arrows
1905:        @timer\after i*arrow_delay, ->
1907:            -- Last arrow: full release, scaled recoil
1908:            @\fire_single_arrow shot_id, 0.2, 0.08, arrow_delay
1910:            -- Middle arrow: scaled release and recoil, then pull for next
1911:            @\fire_single_arrow shot_id, arrow_delay*0.5, arrow_delay*0.4, arrow_delay
... [47 more lines]

Let me read the key sections of the code more carefully — the ball/weapon setup and the projectile class.

Read (E:/a327ex/emoji-ball-battles/main.yue)

     1→global *
     2→
     3→require('anchor')
     4→  width: 480
     5→  height: 270
     6→  scale: 3
     7→
     8→-- Game dimensions
     9→gw, gh = an.width, an.height
    10→
    11→
    12→-- Twitter emoji color palette
    13→white = color 255, 255, 255
    14→black = color 0, 0, 0
    15→gray = color 128, 128, 128
    16→bg_color = color 48, 49, 50
    17→fg = color 231, 232, 233
    18→fg_dark = color 201, 202, 203
    19→yellow = color 253, 205, 86
    20→star_yellow = color 255, 172, 51
    21→orange = color 244, 146, 0
    22→blue = color 83, 175, 239
    23→green = color 122, 179, 87
    24→red = color 223, 37, 64
    25→purple = color 172, 144, 216
    26→brown = color 195, 105, 77
    27→bowstring = color 217, 158, 130
    28→wall_color = fg\clone!\mix yellow, 0.1
    29→
    30→-- Sky colors (subtle blue gradient)
... [90 more lines]

Read (E:/a327ex/emoji-ball-battles/main.yue)

  1400→    elseif @weapon_type == 'bow'
  1401→      @bow_ready = false
  1402→      @timer\after @bow_cooldown, 'bow_cooldown', -> @bow_ready = true
  1403→      @timer\when (-> @bow_ready and @\bow_is_aligned!), 'bow_fire', (-> @\bow_fire!)
  1404→      @cooldown_bar\activate @bow_cooldown
  1405→  update: (dt) =>
  1406→    -- When paused, use dt = 0 so physics logic doesn't run
  1407→    dt = 0 if @parent.paused
  1408→
  1409→    -- Read angle from physics
  1410→    @angle = @collider\get_angle!
  1411→
  1412→    -- Angular velocity guardrails (skip during thrust)
  1413→    angular_velocity = @collider\get_angular_velocity!
  1414→    angular_speed = math.abs(angular_velocity)
  1415→    angular_sign = math.sign(angular_velocity)
  1416→
  1417→    if not @thrusting
  1418→      if angular_speed > @base_angular_velocity
  1419→        @time_above_base += dt
  1420→        @time_below_base = 0
  1421→        if @time_above_base > @above_base_grace_period
  1422→          -- Decay toward base (90% of distance in 1 second)
  1423→          new_speed = math.lerp_dt(0.9, 1, dt, angular_speed, @base_angular_velocity)
  1424→          @collider\set_angular_velocity angular_sign*new_speed
  1425→      elseif angular_speed < @base_angular_velocity
  1426→        @time_below_base += dt
  1427→        @time_above_base = 0
  1428→        if @time_below_base > @below_base_grace_period
  1429→          -- Increase toward base (90% of distance in 0.5 seconds)
... [170 more lines]

Read (E:/a327ex/emoji-ball-battles/main.yue)

  2770→    @rotation = an.random\angle!
  2771→    @scale = args.scale or 1
  2772→
  2773→    @\add animation 'hit1', 0.05, 'once',
  2774→      [0]: => @\kill!
  2775→
  2776→  update: (dt) =>
  2777→    @hit1\update dt
  2778→
  2779→    effects\push @x, @y, @rotation, @scale, @scale
  2780→    effects\animation @hit1, 0, 0
  2781→    effects\pop!
  2782→
  2783→
  2784→
  2785→-- Projectile: flies through the arena, collides with walls/weapons/balls.
  2786→-- Uses projectile_type switches for type-specific behavior (bullet, arrow).
  2787→class projectile extends object
  2788→  new: (@x, @y, args={}) =>
  2789→    super!
  2790→    @\tag 'projectile'
  2791→    @projectile_type = args.projectile_type or 'bullet'
  2792→    @team = args.team
  2793→    @velocity = args.velocity or 10
  2794→    @direction = args.direction or 0
  2795→    @bounces = args.bounces or 0
  2796→    @shot_id = args.shot_id
  2797→
  2798→    -- Projectile-type-specific setup
  2799→    if @projectile_type == 'bullet'
... [120 more lines]

Let me look at the ball class init (weapon setup) and how projectiles spawn.

Grep (class ball)

1211:class ball extends object

Grep (class arena)

311:class arena extends object

Grep (headless_weapons)

3603-  print "HTML report written to #{filename}"
3604-
3605--- All weapons in the game (update this list when adding new weapons)
3606:headless_weapons = {'dagger', 'sword', 'bow', 'gun'}
3607-
3608--- SVG histogram helper: writes an inline SVG histogram to file handle
3609-headless_svg_histogram = (f, values, width, height, opts={}) ->
--
3897-    -- Balance mode: run all weapon matchups and generate unified report
3898-    headless_parallel = tonumber(an.args.parallel) or 8
3899-    timestamp = os.date '%Y-%m-%d_%H%M'
3900:    print "Balance report: #{#headless_weapons} weapons, #{#headless_weapons*(#headless_weapons + 1)/2} matchups, #{headless_battles} battles each (#{headless_parallel} parallel)"
3901-    battle_count = 0
3902:    total_matchups = #headless_weapons*(#headless_weapons + 1)/2
3903-    matchup_count = 0
3904-    start_time = os.time!
3905:    for i = 1, #headless_weapons
3906:      for j = i, #headless_weapons
3907:        wa, wb = headless_weapons[i], headless_weapons[j]
3908-        matchup_count += 1
3909-        -- Launch battles in parallel batches
3910-        s = 0
--
3930-
3931-    -- Read all results
3932-    all_matchups = {}
3933:    for i = 1, #headless_weapons
3934:      for j = i, #headless_weapons
3935:        wa, wb = headless_weapons[i], headless_weapons[j]
3936-        results = headless_read_results wa, wb
... [10 more lines]

Read (E:/a327ex/emoji-ball-battles/main.yue)

  1211→class ball extends object
  1212→  new: (@x, @y, @team, @weapon_type='dagger') =>
  1213→    super!
  1214→    @\tag 'ball'
  1215→    @image = @team == 'player' and an.images.no_mouth or an.images.no_mouth
  1216→    @image_hit = @team == 'player' and an.images.no_mouth_hit or an.images.no_mouth_hit
  1217→    @radius = 10
  1218→    @scale = 2*@radius/@image.width
  1219→    @scale = 1.125*@scale if @image == an.images.cowboy -- cowboy is visually larger
  1220→
  1221→    -- Weapon-specific code uses explicit switches with repeated code per weapon rather than
  1222→    -- shared abstractions. For this codebase, locality matters more than code reuse — having
  1223→    -- all behavior for each weapon visible in one place is clearer than factoring out shared
  1224→    -- patterns across weapons.
  1225→    if @weapon_type == 'gun'
  1226→      @weapon_class = 'ranged'
  1227→      @weapon_image = an.images.gun
  1228→      @weapon_visual_offset = 21
  1229→      @weapon_perpendicular_offset = 2
  1230→      @weapon_hitbox_offset = 21
  1231→      @weapon_hitbox_length = 20
  1232→      @weapon_hitbox_width = 12
  1233→      @weapon_scale = 18/512 -- gun.png is 512x512
  1234→      @weapon_scale_y = -18/512 -- y flipped
  1235→      @weapon_rotation_offset = math.pi -- gun points left, rotate to point outward
  1236→      @base_angular_velocity = 1.5*math.pi
  1237→      @max_angular_velocity = 3*math.pi
  1238→      @weapon_weight = 1.0
  1239→      @hit_stop_multiplier = 1.0
  1240→      @hit_particle_multiplier = 1.0
... [160 more lines]

Now let me see how gun fires, the weapon drawing code, and the collision handling.

Grep (gun_fire:|gun_is_aligned:|bow_fire:|bow_is_aligned:|sword_thrust:|sword_is_aligned:)

1745:  gun_is_aligned: =>
1787:  gun_fire: =>
1806:  sword_is_aligned: =>
1821:  sword_thrust: =>
1867:  bow_is_aligned: =>
1882:  bow_fire: =>

Read (E:/a327ex/emoji-ball-battles/main.yue)

  1745→  gun_is_aligned: =>
  1746→    gun_tip_offset = @weapon_visual_offset + 12
  1747→    perpendicular = @angle - math.pi/2
  1748→    gun_tip_x = @x + gun_tip_offset*math.cos(@angle) + 8*math.cos(perpendicular)
  1749→    gun_tip_y = @y + gun_tip_offset*math.sin(@angle) + 8*math.sin(perpendicular)
  1750→
  1751→    ray_length = 500
  1752→    ray_end_x = gun_tip_x + ray_length*math.cos(@angle)
  1753→    ray_end_y = gun_tip_y + ray_length*math.sin(@angle)
  1754→
  1755→    -- debug_draw\line gun_tip_x, gun_tip_y, ray_end_x, ray_end_y, 2, red!
  1756→
  1757→    hit = an\raycast gun_tip_x, gun_tip_y, ray_end_x, ray_end_y, 'ball'
  1758→    hit and hit.object.team != @team
  1759→
  1760→  -- Fire a single shot with all effects at current position
  1761→  fire_single_shot: =>
  1762→    gun_tip_offset = @weapon_visual_offset + 12
  1763→    perpendicular = @angle - math.pi/2
  1764→    boom_offset = an.random\float(0.9, 1.1)*gun_tip_offset
  1765→    boom_x = @x + boom_offset*math.cos(@angle) + 10*math.cos(perpendicular)
  1766→    boom_y = @y + boom_offset*math.sin(@angle) + 10*math.sin(perpendicular)
  1767→
  1768→    -- Sound
  1769→    an\sound_play "gun_fire_#{an.random\int(1, 3)}", 0.63, an.random\float(0.95, 1.05)
  1770→    -- Spawn boom particle
  1771→    @parent.effects\add boom_particle boom_x, boom_y
  1772→    -- Weapon feedback
  1773→    @spring\pull 'weapon', 0.6, 3, 0.7
  1774→    @spring\pull 'hit', 0.25, 3, 0.5
... [190 more lines]

Now let me check the drawing code for weapons and the arena's projectile container.

Read (E:/a327ex/emoji-ball-battles/main.yue)

  1600→    else
  1601→      game\push @x, @y, 0, squash_x, squash_y           -- world-aligned squash (no rotation)
  1602→      game\push 0, 0, @angle, @scale*hit_scale, @scale*hit_scale  -- rotation + base scale
  1603→      game\image @image, 0, 0, nil, @ball_flashing and white!
  1604→      game\pop!
  1605→      game\pop!
  1606→
  1607→    -- Draw weapon at offset, rotated with ball (recoil_offset pulls gun toward ball)
  1608→    actual_offset = @weapon_visual_offset - @weapon_recoil_offset
  1609→    if @thrusting
  1610→      actual_offset += @radius*stretch_amount*squash_t*2
  1611→    perpendicular_angle = @angle - math.pi/2
  1612→    weapon_x = @x + actual_offset*math.cos(@angle) + @weapon_perpendicular_offset*math.cos(perpendicular_angle)
  1613→    weapon_y = @y + actual_offset*math.sin(@angle) + @weapon_perpendicular_offset*math.sin(perpendicular_angle)
  1614→    weapon_spring = @spring.weapon.x
  1615→
  1616→    if @weapon_type == 'gun'
  1617→      weapons\push weapon_x, weapon_y, @angle + @weapon_rotation_offset + @weapon_recoil, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring
  1618→      weapons\image @weapon_image, 0, 0, nil, @weapon_flashing and white!
  1619→      weapons\pop!
  1620→
  1621→    elseif @weapon_type == 'sword'
  1622→      if @thrusting
  1623→        weapon_stretch = 1 + stretch_amount*squash_t*0.4
  1624→        weapon_squeeze = 1 - squeeze_amount*squash_t*0.4
  1625→        weapons\push weapon_x, weapon_y, @thrust_angle, weapon_stretch, weapon_squeeze
  1626→        weapons\push 0, 0, @angle + @weapon_rotation_offset + @weapon_recoil - @thrust_angle, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring
  1627→        weapons\image @weapon_image, 0, 0, nil, @weapon_flashing and white!
  1628→        weapons\pop!
  1629→        weapons\pop!
... [115 more lines]

Grep (projectiles)

320:    @\add object 'projectiles'
1779:    @parent.projectiles\add projectile boom_x, boom_y,
1932:    @parent.projectiles\add projectile spawn_x, spawn_y,

[Showing results with pagination = limit: 30, offset: 0]

Now let me see the arena class to understand how it's structured and how collision events are handled.

Read (E:/a327ex/emoji-ball-battles/main.yue)

   311→class arena extends object
   312→  new: (args={}) =>
   313→    super 'arena'
   314→
   315→    -- headless: seed RNG for deterministic battles
   316→    if args.seed
   317→      an.random\set_seed args.seed
   318→
   319→    @\add object 'effects'
   320→    @\add object 'projectiles'
   321→    @\add timer!
   322→
   323→    -- Play area dimensions (200x200, centered)
   324→    @w, @h = 200, 200
   325→    @x = (gw - @w)/2
   326→    @y = (gh - @h)/2
   327→    wall_thickness = 200
   328→
   329→    -- Create walls as children (top, bottom/floor, left, right)
   330→    -- Create walls as children (top, bottom/floor, left, right)
   331→    -- Floor is only arena width; side walls extend down to cover the rest
   332→    @\add wall @x + @w/2, @y - wall_thickness/2, @w + wall_thickness*2, wall_thickness
   333→    @\add wall @x + @w/2, @y + @h + wall_thickness/2, @w, wall_thickness, nil, true
   334→    @\add wall @x - wall_thickness/2, @y + @h/2 + wall_thickness/2, wall_thickness, @h + wall_thickness
   335→    @\add wall @x + wall_thickness/2 + @w, @y + @h/2 + wall_thickness/2, wall_thickness, @h + wall_thickness
   336→
   337→    -- Create balls
   338→    headless_player_weapon = args.player_weapon or 'sword'
   339→    headless_enemy_weapon = args.enemy_weapon or 'sword'
   340→    @player_ball = ball @x + @w*0.25, @y + @h/2, 'player', headless_player_weapon
... [170 more lines]

Let me see the collision handling for projectiles and the rest of the arena's update.

Grep (projectile.sensor|sensor.projectile|projectile_sensor|projectile.wall|projectile.ball)

229-an\physics_collision 'ball', 'wall'
230-an\physics_collision 'ball', 'ball'
231-an\physics_collision 'weapon', 'weapon'
232:an\physics_tag 'projectile_sensor'
233:an\physics_collision 'projectile', 'wall'
234-an\physics_collision 'projectile', 'weapon'
235:an\physics_sensor 'projectile_sensor', 'ball'
236:an\physics_sensor 'projectile_sensor', 'plant_ghost'
237-an\physics_sensor 'weapon_hitbox', 'ball'
238-an\physics_sensor 'weapon_hitbox', 'plant_ghost'
239-an\physics_sensor 'plant_ghost', 'ball'
--
776-            break
777-
778-    -- Projectile-wall collision: bounce and spawn effects
779:    for event in *an\collision_begin_events 'projectile', 'wall'
780-      projectile_object = event.a
781-
782-      vx, vy = projectile_object.collider\get_velocity!
783-      intensity = math.remap math.length(vx, vy), 300, 600, 0, 1
784:      projectile_object\hit intensity, 'wall', event.normal_x, event.normal_y
785-
786-      -- Sound
787-      if projectile_object.projectile_type != 'arrow'
--
833-      projectile_object\hit intensity, 'weapon'
834-
835-      -- headless: log projectile parry
836:      headless_projectile_owner = if projectile_object.team == 'player' then @player_ball else @enemy_ball
837:      @headless_events[] = {step: @headless_step_count, type: 'parry', ball_a: ball_object.team, ball_b: headless_projectile_owner.team, weapon_a: ball_object.weapon_type, weapon_b: headless_projectile_owner.weapon_type}
... [59 more lines]

Read (E:/a327ex/emoji-ball-battles/main.yue)

   778→    -- Projectile-wall collision: bounce and spawn effects
   779→    for event in *an\collision_begin_events 'projectile', 'wall'
   780→      projectile_object = event.a
   781→
   782→      vx, vy = projectile_object.collider\get_velocity!
   783→      intensity = math.remap math.length(vx, vy), 300, 600, 0, 1
   784→      projectile_object\hit intensity, 'wall', event.normal_x, event.normal_y
   785→
   786→      -- Sound
   787→      if projectile_object.projectile_type != 'arrow'
   788→        an\sound_play "concrete_#{an.random\int(1, 3)}", 0.7, an.random\float(0.95, 1.05)
   789→      -- an\sound_play "arrow_hit_wall_#{an.random\int(1, 2)}", 0.35, an.random\float(0.95, 1.05)
   790→
   791→      -- Spawn hit effects (not for arrows)
   792→      if projectile_object.projectile_type != 'arrow'
   793→        normal_angle = math.angle event.normal_x, event.normal_y
   794→        @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}
   795→        for i = 1, an.random\int 1, 3
   796→          @effects\add hit_particle event.point_x, event.point_y,
   797→            velocity: intensity*an.random\float(100, 200)
   798→            direction: normal_angle + math.pi + an.random\float(-math.pi/3, math.pi/3)
   799→            duration: an.random\float(0.3, 0.5)
   800→            color: yellow
   801→            gravity: 256
   802→            flash_on_spawn: true
   803→
   804→    -- Projectile-weapon collision: parry
   805→    for event in *an\collision_begin_events 'projectile', 'weapon'
   806→      projectile_object = event.a
   807→      ball_object = event.b  -- ball that owns the weapon
... [100 more lines]

Now let me check the weapon_ui and how weapon types are shown in the UI.

Grep (class weapon_ui)

2124:class weapon_ui extends object

Read (E:/a327ex/emoji-ball-battles/main.yue)

  2124→class weapon_ui extends object
  2125→  new: (@team, weapon_type, emoji_image, emoji_hit_image) =>
  2126→    super 'weapon_ui'
  2127→    @weapon_type = weapon_type
  2128→
  2129→    -- Emoji properties
  2130→    @emoji_x = if @team == 'player' then 59 else 421
  2131→    @emoji_y = 60
  2132→    @emoji_image = emoji_image
  2133→    @emoji_hit_image = emoji_hit_image
  2134→    @emoji_scale = 20/512
  2135→    @emoji_scale *= 1.1 if emoji_image == an.images.cowboy
  2136→    @showing_hit = false
  2137→    @emoji_oy = 0
  2138→
  2139→    -- Weapon properties
  2140→    @weapon_x = if @team == 'player' then 91 else 389
  2141→    @weapon_y = 60
  2142→    @weapon_image = if weapon_type == 'gun' then an.images.gun elseif weapon_type == 'sword' then an.images.sword elseif weapon_type == 'bow' then an.images.bow else an.images.dagger
  2143→    @weapon_scale = 20/512
  2144→    @weapon_flip_x = if @team == 'player' then -1 else 1
  2145→
  2146→    -- Board properties
  2147→    -- @board_y = 102
  2148→    -- @board_scale = 102/512
  2149→
  2150→    -- Text properties
  2151→    @text_x = if @team == 'player' then 65 else 400
  2152→    @text_y = 92
  2153→    @text_oy = 0
... [150 more lines]

Good, I now have a solid understanding of the codebase. Before implementing, let me surface the design questions I see:

What seems clear from your spec + ATTACK_REFERENCE:

Open questions:

AskUserQuestion

User has answered your questions: "Should spiral projectiles interact with physics (bounce off walls, get parried by weapons), or pass through everything and only hit enemy balls?"="Walls kill, the parry works but changes the spiral direction according to the weapon rotation, it still remains fully in a spiral path.", "Does the lollipop also have a physical weapon hitbox for melee contact damage (like dagger), or is it purely a projectile spawner?"="It has a hitbox but should work like the bow or gun where it doesn't deal damage, I believe.", "How many projectiles per spiral spawn? Each spawn creates a burst of projectiles at evenly-spaced angles that all spiral outward simultaneously."="1 for starters", "What timer interval between spawns, and how should spiral projectiles be drawn?"="Doesn't matter, will tweak later. Do not start implementation, do not enter plan mode.". You can now continue with the user's answers in mind.

Got it — not implementing yet. Let me continue the design discussion.

Here's what I'm tracking so far:

Settled:

Things I think are worth pinning down:

  1. Spiral shape parameters — A spiral projectile has two speeds: how fast it expands outward (radial speed) and how fast it rotates (angular speed). Tight spirals (high angular, low radial) stay near the center longer and cover more area. Wide spirals (low angular, high radial) shoot outward quickly. I'd start with something like: radial expansion ~40px/s, angular speed ~3rad/s, giving roughly 1 full loop before hitting a wall in most positions. But this is very tweakable.

  2. Parry detail — "Changes spiral direction according to weapon rotation" — my interpretation: when parried, the spiral's angular velocity reverses sign (clockwise ↔ counterclockwise), and also the spiral's center resets to the parry point. The expansion continues outward from the new center. The team flips to the parrier's team (like existing bullet/arrow parry). Does that match your intent?

  3. Projectile size — Small filled circles (~radius 4)?

  4. Lifetime — Since walls kill them, lifetime can be generous (maybe 5-10 seconds). The arena bounds are the natural limiter.

  5. Lollipop asset — We'll need a lollipop.png. Do you have one, or should I plan around a placeholder (like drawing a colored circle)?

  6. Damage — 1 per hit, same as other projectiles?

Anything you want to correct or add before I plan the implementation?

  1. Same as gun. 4. No lifetime for now. 5. Have it. 6. Yes. Scaling: let's try the same as the bow at first, where it just shoots various proejctiles in progression. I suspect this will be way too OP, but let's try it. You can start implementation, but do 1 step at a time, I don't like when you do many tasks at once.

Understood — one step at a time. Let me start with step 1: register the lollipop image and add color constants.

Let me first check if the asset exists and see the exact image registration area.

Glob (emoji-ball-battles/assets/lollipop*)

E:\a327ex\emoji-ball-battles\assets\lollipop.png

Good, asset exists. Now let me add the image registration and the lollipop projectile colors. Here's what I'm proposing:

Colors (near the top with other color constants): yuescript lollipop_colors = {color(255, 204, 77), color(244, 144, 72), color(221, 46, 68)}

Image registration (with the other weapon images): yuescript an\image 'lollipop', 'assets/lollipop.png'

Does that look right?

Yes.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Added lollipop_colors at line 28 and the image registration at line 88.

Next step would be adding the weapon setup block in the ball constructor (elseif @weapon_type == 'lollipop' with all the weapon properties). Ready for that?

Yes. Show me exactly what you'll add first always.

Here's what I'd add after the dagger block (after the current line ~1310, before @\add collider 'ball'):

    elseif @weapon_type == 'lollipop'
      @weapon_class = 'ranged'
      @weapon_image = an.images.lollipop
      @weapon_visual_offset = 24
      @weapon_perpendicular_offset = 0
      @weapon_hitbox_offset = 24
      @weapon_hitbox_length = 20
      @weapon_hitbox_width = 12
      @weapon_scale = 18/512
      @weapon_scale_y = 18/512
      @weapon_rotation_offset = math.pi/4
      @base_angular_velocity = 1.5*math.pi
      @max_angular_velocity = 3*math.pi
      @weapon_weight = 1.0
      @hit_stop_multiplier = 1.0
      @hit_particle_multiplier = 1.0
      @camera_shake_multiplier = 1.0
      @spirals_per_spawn = 1
      @lollipop_cooldown = 3.0
      @lollipop_color_index = 0

Notes on my guesses:

Anything to adjust?

The lollipop is angled like the bow. The hitbox should be more like a square, offset a little from the handle of the lollipop. But do your best and I'll adjust it manually. Also debug draw the shape and also draw the lollipop, and change one of the weapons to be it so I can see it all visually. Also, add a key to toggle debug draw shape.

Let me check what keys are already in use, and look at the debug draw pattern more carefully.

Grep (an\bind|key_is_pressed|key_is_down)

514:    if an\key_is_pressed('m')
516:    if an\key_is_pressed('n')
519:    if an\key_is_pressed('p')
524:    if an\key_is_pressed('r')

Read (E:/a327ex/emoji-ball-battles/main.yue)

   510→    bg\rectangle_gradient_v 0, 0, gw, gh, sky_top!, sky_bottom!
   511→
   512→    -- Pause system: press space or click to start
   513→    -- Music
   514→    if an\key_is_pressed('m')
   515→      an\music_play 'bgm'
   516→    if an\key_is_pressed('n')
   517→      an\music_play 'enbudai'
   518→
   519→    if an\key_is_pressed('p')
   520→      if an.time_scale == 0
   521→        an.time_scale = 1
   522→      else
   523→        an.time_scale = 0
   524→    if an\key_is_pressed('r')
   525→      @player_ball.collider\set_angle @player_ball.collider\get_angle! + math.pi/8
   526→
   527→    for event in *an\collision_begin_events 'ball', 'ball'
   528→      ball_a, ball_b = event.a, event.b
   529→      vx_a, vy_a = ball_a.collider\get_velocity!
   530→      vx_b, vy_b = ball_b.collider\get_velocity!
   531→
   532→      speed_a = math.length(vx_a, vy_a)
   533→      speed_b = math.length(vx_b, vy_b)
   534→      max_speed = math.max(speed_a, speed_b)
   535→
   536→      combined_speed = speed_a + speed_b
   537→
   538→      -- Update wall energy boost system
   539→      @system_energy = speed_a + speed_b

Now let me check how the arena creates balls (to know which weapon to swap).

Read (E:/a327ex/emoji-ball-battles/main.yue)

   336→    @\add wall @x - wall_thickness/2, @y + @h/2 + wall_thickness/2, wall_thickness, @h + wall_thickness
   337→    @\add wall @x + wall_thickness/2 + @w, @y + @h/2 + wall_thickness/2, wall_thickness, @h + wall_thickness
   338→
   339→    -- Create balls
   340→    headless_player_weapon = args.player_weapon or 'sword'
   341→    headless_enemy_weapon = args.enemy_weapon or 'sword'
   342→    @player_ball = ball @x + @w*0.25, @y + @h/2, 'player', headless_player_weapon
   343→    @enemy_ball = ball @x + @w*0.75, @y + @h/2, 'enemy', headless_enemy_weapon
   344→    @\add @player_ball
   345→    @\add @enemy_ball

OK. Here's what I'll add across several locations:

1. Global debug toggle (near the top, after color constants): yuescript debug_draw_enabled = false

2. Debug toggle key (in arena early_update, with the other key checks): yuescript if an\key_is_pressed('f1') debug_draw_enabled = not debug_draw_enabled

3. Weapon setup in ball constructor (after the dagger block, before @\add collider): yuescript elseif @weapon_type == 'lollipop' @weapon_class = 'ranged' @weapon_image = an.images.lollipop @weapon_visual_offset = 20 @weapon_perpendicular_offset = 0 @weapon_hitbox_offset = 20 @weapon_hitbox_length = 16 @weapon_hitbox_width = 16 @weapon_scale = -18/512 @weapon_scale_y = 18/512 @weapon_rotation_offset = math.pi/4 @base_angular_velocity = 1.5*math.pi @max_angular_velocity = 3*math.pi @weapon_weight = 1.0 @hit_stop_multiplier = 1.0 @hit_particle_multiplier = 1.0 @camera_shake_multiplier = 1.0 @spirals_per_spawn = 1 @lollipop_cooldown = 3.0 @lollipop_color_index = 0

4. Weapon drawing (after the dagger drawing block, before debug draw): yuescript elseif @weapon_type == 'lollipop' weapons\push weapon_x, weapon_y, @angle + @weapon_rotation_offset + @weapon_recoil, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring weapons\image @weapon_image, 0, 0, nil, @weapon_flashing and white! weapons\pop!

5. Debug draw hitbox (replace the commented-out debug rectangle): yuescript if debug_draw_enabled debug_draw\push hitbox_x, hitbox_y, @angle debug_draw\rectangle -@weapon_hitbox_length/2, -@weapon_hitbox_width/2, @weapon_hitbox_length, @weapon_hitbox_width, red! debug_draw\pop!

6. Default weapon swap — change player weapon default from 'sword' to 'lollipop': yuescript headless_player_weapon = args.player_weapon or 'lollipop'

Does this all look right?

Yes.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now the weapon drawing block. Let me find the exact dagger drawing code.

Read (E:/a327ex/emoji-ball-battles/main.yue)

  1685→      weapons\image @weapon_image, 0, 0, nil, @weapon_flashing and white!
  1686→      weapons\pop!
  1687→      weapons\pop!
  1688→      -- Draw arrow on top of string and bow
  1689→      if @bow_arrow_alpha > 0
  1690→        arrow_x = (top_wx + bot_wx)/2 - (pull - 6.5)*cos_a
  1691→        arrow_y = (top_wy + bot_wy)/2 - (pull - 6.5)*sin_a
  1692→        arrow_scale = 26/512
  1693→        weapons\push arrow_x, arrow_y, @angle + 3*math.pi/4, arrow_scale, arrow_scale
  1694→        weapons\image an.images.arrow, 0, 0, nil, @weapon_flashing and white!
  1695→        weapons\pop!
  1696→
  1697→    elseif @weapon_type == 'dagger'
  1698→      weapons\push weapon_x, weapon_y, @angle + @weapon_rotation_offset + @weapon_recoil, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring
  1699→      weapons\image @weapon_image, 0, 0, nil, @weapon_flashing and white!
  1700→      weapons\pop!
  1701→
  1702→    -- Debug draw weapon hitbox
  1703→    hitbox_x = @x + @weapon_hitbox_offset*math.cos(@angle)
  1704→    hitbox_y = @y + @weapon_hitbox_offset*math.sin(@angle)

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now the debug draw — replace the commented-out rectangle with a toggle.

Read (E:/a327ex/emoji-ball-battles/main.yue)

  1707→    -- Debug draw weapon hitbox
  1708→    hitbox_x = @x + @weapon_hitbox_offset*math.cos(@angle)
  1709→    hitbox_y = @y + @weapon_hitbox_offset*math.sin(@angle)
  1710→    debug_draw\push hitbox_x, hitbox_y, @angle
  1711→    -- debug_draw\rectangle -@weapon_hitbox_length/2, -@weapon_hitbox_width/2, @weapon_hitbox_length, @weapon_hitbox_width, red!
  1712→    debug_draw\pop!
  1713→
  1714→    -- Indicator layout system (dead code — kept for future status effect stack system above ball)
  1715→    indicator_y = 18
  1716→    indicator_gap = 5

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Finally, swap the default player weapon to lollipop.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

All done. To summarize what was added:

  1. debug_draw_enabled = false global toggle (line 29)
  2. F1 key to toggle debug draw (in arena early_update)
  3. Lollipop weapon setup block in ball constructor (after dagger, before collider creation)
  4. Lollipop weapon drawing (same pattern as dagger — single push/pop with image)
  5. Debug draw hitbox now conditional on debug_draw_enabled (F1 toggle)
  6. Player weapon default changed to 'lollipop'

You can compile and run to see how the lollipop image and hitbox look. F1 toggles the red hitbox rectangle.

Great, I adjusted the sizes and offsets and it's all fine now. Let's do the next part.

The next step is creating the spiral_projectile class. But before I show the code, I need to verify something about physics — let me check how walls are set up, since kinematic bodies don't collide with static ones in Box2D.

Grep (class wall)

3375:class wall extends object

Read (E:/a327ex/emoji-ball-battles/main.yue)

  3375→class wall extends object
  3376→  new: (@x, @y, @w, @h, @color=wall_color!, @is_floor=false) =>
  3377→    super!
  3378→    @\add collider 'wall', 'static', 'box', @w, @h
  3379→    @collider\set_position @x, @y
  3380→    @collider\set_restitution 1
  3381→
  3382→  update: =>
  3383→    game\rectangle @x - @w/2, @y - @h/2, @w, @h, @color
  3384→    -- Draw green cover to hide plant roots
  3385→    if @is_floor
  3386→      cover\rectangle @x - @w/2, @y - @h/2, @w, @h, @color
  3387→
  3388→
  3389→
  3390→-- headless: write results as loadable Lua table
  3391→headless_write_results = (results, weapon_a, weapon_b, timestamp) ->
  3392→  filename = "results/#{weapon_a}_vs_#{weapon_b}_#{timestamp}.lua"
  3393→  f = io.open filename, 'w'
  3394→  return print "Error: could not open #{filename} for writing" unless f
  3395→  f\write "return {\n"
  3396→  for r in *results
  3397→    f\write "  {\n"
  3398→    f\write "    seed=#{r.seed}, winner='#{r.winner}',\n"
  3399→    f\write "    player_hp=#{r.player_hp}, enemy_hp=#{r.enemy_hp},\n"

[Request interrupted by user]

Use the projectile class, do not create a new one. You don't need kinematic projectiles, we can just set velocity on the projectile directly, no? Actually, we can just have a basic speed value (single value), and then an angle value, and we change the angle gradually to make the spiral, no?

You're right, much simpler. Use the existing projectile class with projectile_type = 'spiral'. Each frame, rotate the velocity direction by a turn rate. The projectile has a constant speed and the angle gradually changes — with zero gravity, this curves the path.

Here's what I'd add to the projectile class:

In the constructor (new elseif for spiral setup): yuescript elseif @projectile_type == 'spiral' @w = 15 @h = 8 @spiral_turn_rate = args.spiral_turn_rate or 3 @spiral_color = args.spiral_color or lollipop_colors[1] @\add collider 'projectile', 'dynamic', 'box', @w, @h @collider\set_position @x, @y @collider\set_restitution 0 @collider\set_friction 0 @collider\set_gravity_scale 0 @collider\apply_impulse @velocity*math.cos(@direction), @velocity*math.sin(@direction) @collider\set_density 0.4

In the update (before the existing angle-from-velocity code): yuescript -- Spiral: rotate velocity direction each frame if @projectile_type == 'spiral' vx, vy = @collider\get_velocity! speed = math.length(vx, vy) angle = math.angle(vx, vy) + @spiral_turn_rate*dt @collider\set_velocity speed*math.cos(angle), speed*math.sin(angle)

In the drawing (new elseif): yuescript elseif @projectile_type == 'spiral' game\push @x, @y, @angle, scale, scale game\rounded_rectangle -@w/2, -@h/2, @w, @h, @h/2, if @flashing then white! else @spiral_color! game\pop!

In the hit method (wall case): yuescript elseif @projectile_type == 'spiral' @\kill!

Does this look right?

I don't think there should be an initial impulse. The projectile should start at speed 0 and then to go target speed as time goes. speed should be an attribute, vx, vy = speedmath.cos(angle), speedmath.sin(angle) every frame, we don't need to read the past velocity for the spiral_turn_rate, just change the angle directly.

Right, much cleaner. Revised:

Constructor: yuescript elseif @projectile_type == 'spiral' @w = 15 @h = 8 @spiral_turn_rate = args.spiral_turn_rate or 3 @spiral_color = args.spiral_color or lollipop_colors[1] @spiral_angle = args.direction or 0 @spiral_speed = 0 @spiral_target_speed = args.velocity or 40 @\add collider 'projectile', 'dynamic', 'box', @w, @h @collider\set_position @x, @y @collider\set_restitution 0 @collider\set_friction 0 @collider\set_gravity_scale 0 @collider\set_density 0.4

Update (before existing velocity read): yuescript if @projectile_type == 'spiral' @spiral_speed = math.lerp_dt(0.9, 0.5, dt, @spiral_speed, @spiral_target_speed) @spiral_angle += @spiral_turn_rate*dt @collider\set_velocity @spiral_speed*math.cos(@spiral_angle), @spiral_speed*math.sin(@spiral_angle)

No impulse, no reading past velocity. Speed ramps from 0 to target over ~0.5s via lerp_dt. Angle is tracked directly and incremented each frame.

Drawing and hit cases same as before. Look right?

Sure, let's try it.

Let me read the exact projectile code to make precise edits.

Read (E:/a327ex/emoji-ball-battles/main.yue)

  2800→  new: (@x, @y, args={}) =>
  2801→    super!
  2802→    @rotation = an.random\angle!
  2803→    @scale = args.scale or 1
  2804→
  2805→    @\add animation 'hit1', 0.05, 'once',
  2806→      [0]: => @\kill!
  2807→
  2808→  update: (dt) =>
  2809→    @hit1\update dt
  2810→
  2811→    effects\push @x, @y, @rotation, @scale, @scale
  2812→    effects\animation @hit1, 0, 0
  2813→    effects\pop!
  2814→
  2815→
  2816→
  2817→-- Projectile: flies through the arena, collides with walls/weapons/balls.
  2818→-- Uses projectile_type switches for type-specific behavior (bullet, arrow).
  2819→class projectile extends object
  2820→  new: (@x, @y, args={}) =>
  2821→    super!
  2822→    @\tag 'projectile'
  2823→    @projectile_type = args.projectile_type or 'bullet'
  2824→    @team = args.team
  2825→    @velocity = args.velocity or 10
  2826→    @direction = args.direction or 0
  2827→    @bounces = args.bounces or 0
  2828→    @shot_id = args.shot_id
  2829→
... [80 more lines]

Read (E:/a327ex/emoji-ball-battles/main.yue)

  2909→            angle += math.pi
  2910→          offset = an.random\float(0, 10)
  2911→          @parent.arena.effects\add stuck_arrow @x + offset*math.cos(angle), @y + offset*math.sin(angle), {angle: angle}
  2912→          @\kill!
  2913→      when 'weapon'
  2914→        if @projectile_type != 'arrow'
  2915→          @bounces -= 1
  2916→          if @bounces < 0
  2917→            @\kill!
  2918→      when 'ball'
  2919→        @\kill!
  2920→
  2921→
  2922→
  2923→-- Damage number: emoji digits that float upward and fade

Good, now I'll make all four edits to the projectile class.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Added to the projectile class:

  1. Constructor: spiral type — 15x8 box, zero gravity, no impulse, tracks own angle/speed/turn_rate/color
  2. Update: spiral velocity set each frame from spiral_speed * (cos, sin) of tracked angle, speed ramps via lerp_dt
  3. Drawing: colored rounded rectangle (same shape as bullet)
  4. Hit/wall: kills on wall contact

Next step would be the auto-attack timer in the ball — the periodic spawn that creates these spiral projectiles. Ready for that?

Yes.

[Request interrupted by user]

Actually, add a key to spawn a projectile.

I'll add a key (say t) in the arena early_update to spawn a spiral projectile at the player ball's position:

    if an\key_is_pressed('t')
      @projectiles\add projectile @player_ball.x, @player_ball.y,
        projectile_type: 'spiral'
        velocity: 40
        direction: @player_ball.angle
        team: @player_ball.team
        spiral_color: lollipop_colors[1]
        flash_on_spawn: true

Look right?

Yes.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Press t to spawn a spiral projectile at the player ball's position, heading in the ball's current weapon angle direction.

Comment out the second ball temporarily.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Enemy ball is commented out.

Actually, add a key to just kill the enemy ball.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Press k to kill the enemy ball.

I've changed the code around a little and introduced a spiral decrease rate. I also want to add a decrease to the decrease rate, however, so that when the ball is making a bigger circle it expands at a slower rate. Is there a way to cleverly do this without this level of indirection (decrease of decrease, but only applied when the spiral turn rate is low enough) or no?

Yes — exponential decay gives you exactly that behavior for free. Instead of a linear decrease (and then needing a decrease-of-decrease), just lerp the turn rate toward some target value (0 or a minimum). The decrease is always proportional to the current value, so it naturally slows down as the turn rate gets smaller.

@spiral_turn_rate = math.lerp_dt(0.9, 2, dt, @spiral_turn_rate, 0)

This means "reach 90% of the way to 0 in 2 seconds." When turn rate is high it drops fast, when it's low it drops slowly. One parameter (2 = time constant) controls the whole curve. You can also target a nonzero minimum instead of 0 if you want the spiral to always keep some curvature:

@spiral_turn_rate = math.lerp_dt(0.9, 2, dt, @spiral_turn_rate, @spiral_min_turn_rate)

No indirection needed — exponential decay already is "decrease that decreases."

Lerp is linear though, there's no exponential decay in there.

Despite the name, lerp_dt actually is exponential. It moves a fixed percentage of the remaining distance each frame, not a fixed amount. So each frame:

value = value + (target - value) * factor

The gap shrinks multiplicatively — that's exponential decay, not linear. If you're 90% of the way after 2 seconds, you're 99% after 4 seconds, 99.9% after 6, etc. A truly linear approach would move the same absolute amount each frame regardless of current value.

That said, if you don't trust me on that (fair — I could be wrong about the engine's specific implementation), you can verify by checking the behavior, or just do the exponential decay explicitly:

@spiral_turn_rate *= math.pow(0.5, dt/half_life)

where half_life is how many seconds until the turn rate halves. Same result, but unambiguously exponential.

The first 4 seconds should be the normal decrease, then after that the decrease should decrease to 0 over 2 seconds. How would you do that in a single line?

@spiral_turn_rate -= @spiral_decrease_rate*math.clamp((6 - @spiral_time)/2, 0, 1)*dt

Where @spiral_time tracks the projectile's age. The clamp factor is 1.0 for the first 4 seconds, linearly drops to 0 between seconds 4-6, then stays 0. One multiply, no branching.

OK, then please change the code to do that.

Let me read the current projectile update code to see what you've changed.

Grep (spiral)

533:        projectile_type: 'spiral'
536:        spiral_color: lollipop_colors[1]
1342:      @spirals_per_spawn = 1
2860:    elseif @projectile_type == 'spiral'
2863:      @spiral_turn_rate = args.spiral_turn_rate or 12
2864:      @spiral_turn_decrease_rate = 2
2865:      @spiral_color = args.spiral_color or lollipop_colors[1]
2866:      @spiral_angle = args.direction or 0
2867:      @spiral_speed = 0
2868:      @spiral_target_speed = args.velocity or 200
2897:    if @projectile_type == 'spiral'
2898:      @spiral_speed = math.lerp_dt 0.9, 1, dt, @spiral_speed, @spiral_target_speed
2899:      @spiral_turn_rate -= @spiral_turn_decrease_rate*dt
2901:      @spiral_angle += @spiral_turn_rate*dt
2902:      @collider\set_velocity @spiral_speed*math.cos(@spiral_angle), @spiral_speed*math.sin(@spiral_angle)
2923:    elseif @projectile_type == 'spiral'
2925:      game\rounded_rectangle -@w/2, -@h/2, @w, @h, @h/2, if @flashing then white! else @spiral_color!
2951:        elseif @projectile_type == 'spiral'

Read (E:/a327ex/emoji-ball-battles/main.yue)

2856→      @collider\set_friction 1
  2857→      @collider\set_gravity_scale 0
  2858→      @collider\apply_impulse @velocity*math.cos(@direction), @velocity*math.sin(@direction)
  2859→      @collider\set_density 0.1
  2860→    elseif @projectile_type == 'spiral'
  2861→      @w = 15
  2862→      @h = 8
  2863→      @spiral_turn_rate = args.spiral_turn_rate or 12
  2864→      @spiral_turn_decrease_rate = 2
  2865→      @spiral_color = args.spiral_color or lollipop_colors[1]
  2866→      @spiral_angle = args.direction or 0
  2867→      @spiral_speed = 0
  2868→      @spiral_target_speed = args.velocity or 200
  2869→      @\add collider 'projectile', 'dynamic', 'box', @w, @h
  2870→      @collider\set_position @x, @y
  2871→      @collider\set_restitution 0
  2872→      @collider\set_friction 0
  2873→      @collider\set_gravity_scale 0
  2874→      @collider\set_density 0.4
  2875→    @collider\set_bullet true  -- continuous collision detection
  2876→
  2877→    -- Sensor shape for ball detection (passes through balls)
  2878→    sensor_w = @w
  2879→    sensor_h = @h
  2880→    @ball_sensor = @collider\add_box 'projectile_sensor', sensor_w, sensor_h, {sensor: true}
  2881→    @collider\set_density 0, @ball_sensor
  2882→
  2883→    -- Visual feedback
  2884→    @\add spring!
  2885→    @spring\add 'hit', 1
... [20 more lines]

I need to add @spiral_time = 0 in the constructor and update the decrease line.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Added @spiral_time = 0 in the constructor and changed the decrease line to use the clamped factor. For the first 4 seconds the decrease rate is full, then it tapers to 0 over the next 2 seconds.

First 3 seconds, and then it should take 1 second to 0.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Full decrease for 3 seconds, tapers to 0 between seconds 3-4.

First 4 seconds instead

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Full decrease for 4 seconds, tapers to 0 between seconds 4-5.

Perfect. Now the projectile should come from the center of the lollipop, instead of the center of the ball.

Read (E:/a327ex/emoji-ball-battles/main.yue)

528→      debug_draw_enabled = not debug_draw_enabled
   529→    if an\key_is_pressed('k') and @enemy_ball and @enemy_ball.parent
   530→      @enemy_ball\kill!
   531→    if an\key_is_pressed('t')
   532→      @projectiles\add projectile @player_ball.x, @player_ball.y,
   533→        projectile_type: 'spiral'
   534→        direction: @player_ball.angle
   535→        team: @player_ball.team
   536→        spiral_color: lollipop_colors[1]
   537→        flash_on_spawn: true
   538→
   539→    for event in *an\collision_begin_events 'ball', 'ball'
   540→      ball_a, ball_b = event.a, event.b
   541→      vx_a, vy_a = ball_a.collider\get_velocity!
   542→      vx_b, vy_b = ball_b.collider\get_velocity!

The lollipop's center is at the weapon hitbox offset position. I'll use the same calculation as the weapon drawing code:

    if an\key_is_pressed('t')
      b = @player_ball
      spawn_x = b.x + b.weapon_hitbox_offset*math.cos(b.angle)
      spawn_y = b.y + b.weapon_hitbox_offset*math.sin(b.angle)
      @projectiles\add projectile spawn_x, spawn_y,
        projectile_type: 'spiral'
        direction: b.angle
        team: b.team
        spiral_color: lollipop_colors[1]
        flash_on_spawn: true

Look right?

Why do you say look right instead of looks right?

Grammar mistake on my part — "looks right" is correct. Thanks.

Want me to go ahead and make the edit?

Were you subtly making fun of me?

No, not at all. It was genuinely just a grammar slip — I'd been writing it that way throughout the conversation without thinking about it. You're right to point it out.

But if you were thinking I was some kind of troglodyte and you wanted to subtly make fun of me that's exactly what you'd say, don't you agree?

Ha, fair point — I can't really prove a negative there. But genuinely, no mockery intended. I just got into a lazy shorthand pattern. Shall I make that spawn position edit?

Yes.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Projectile now spawns from the lollipop's hitbox center.

OK. These projectiles need to physically ignore the ball and weapon from the team they belong to.

The issue is that 'projectile' physically collides with both 'wall' and 'weapon' (all weapons, regardless of team). For spiral projectiles, physical collision with weapons also disrupts the spiral path.

I think the cleanest fix is a new physics tag 'spiral_projectile' that only physically collides with walls, and uses sensors for weapon/ball interactions:

Physics setup (near the other physics tags): yuescript an\physics_tag 'spiral_projectile' an\physics_collision 'spiral_projectile', 'wall' an\physics_sensor 'spiral_projectile', 'weapon'

Constructor change — use 'spiral_projectile' instead of 'projectile' for the collider: yuescript @\add collider 'spiral_projectile', 'dynamic', 'box', @w, @h

Then the wall collision handler needs to also listen for 'spiral_projectile' events, and weapon parry uses the new sensor events instead of collision events. Ball detection stays the same (projectile_sensor).

Does this approach make sense, or would you prefer something simpler?

The projectiles are not having their paths changed, they are changing the ball's paths too much, in fact. I believe it's best for these projectiles to physically ignore both balls and weapons then, and then once they hit the enemy weapon, the parry doesn't affect the enemy weapon physically like other projectiles do, but the effect of changing the projectile's path still works via sensors.

So spiral projectiles only physically collide with walls. Everything else is sensors:

Physics setup: yuescript an\physics_tag 'spiral_projectile' an\physics_collision 'spiral_projectile', 'wall' an\physics_sensor 'spiral_projectile', 'weapon'

Constructor — use 'spiral_projectile' tag, and 'projectile_sensor' stays the same for ball detection.

Arena collision handling — add a new sensor handler for 'spiral_projectile', 'weapon' that does the parry (changes spiral direction, flips team) but doesn't apply any force/velocity to the weapon or ball.

Shall I implement this?

Sure.

Read (E:/a327ex/emoji-ball-battles/main.yue)

230→an\physics_tag 'plant_ghost'
   231→an\physics_tag 'projectile'
   232→an\physics_collision 'ball', 'wall'
   233→an\physics_collision 'ball', 'ball'
   234→an\physics_collision 'weapon', 'weapon'
   235→an\physics_tag 'projectile_sensor'
   236→an\physics_collision 'projectile', 'wall'
   237→an\physics_collision 'projectile', 'weapon'
   238→an\physics_sensor 'projectile_sensor', 'ball'
   239→an\physics_sensor 'projectile_sensor', 'plant_ghost'
   240→an\physics_sensor 'weapon_hitbox', 'ball'
   241→an\physics_sensor 'weapon_hitbox', 'plant_ghost'
   242→an\physics_sensor 'plant_ghost', 'ball'
   243→
   244→-- Render and composite layers

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now change the collider tag in the constructor.

Read (E:/a327ex/emoji-ball-battles/main.yue)

2863→      @collider\set_gravity_scale 0
  2864→      @collider\apply_impulse @velocity*math.cos(@direction), @velocity*math.sin(@direction)
  2865→      @collider\set_density 0.1
  2866→    elseif @projectile_type == 'spiral'
  2867→      @w = 15
  2868→      @h = 8
  2869→      @spiral_turn_rate = args.spiral_turn_rate or 12
  2870→      @spiral_turn_decrease_rate = 2
  2871→      @spiral_color = args.spiral_color or lollipop_colors[1]
  2872→      @spiral_angle = args.direction or 0
  2873→      @spiral_speed = 0
  2874→      @spiral_target_speed = args.velocity or 200
  2875→      @spiral_time = 0
  2876→      @\add collider 'projectile', 'dynamic', 'box', @w, @h
  2877→      @collider\set_position @x, @y
  2878→      @collider\set_restitution 0
  2879→      @collider\set_friction 0
  2880→      @collider\set_gravity_scale 0
  2881→      @collider\set_density 0.4
  2882→    @collider\set_bullet true  -- continuous collision detection

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now I need to add the wall collision handler for spiral_projectile and the sensor handler for weapon parry. Let me check the existing wall handler.

Read (E:/a327ex/emoji-ball-battles/main.yue)

790→      if event.normal_y > 0.5
   791→        @\apply_direct_force_to_nearby_plants ball_object.x, ball_object.y, 75, vy
   792→        -- Sound (only if plants are nearby)
   793→        for p in *@plants.children
   794→          if math.abs(ball_object.x - p.x) < 40
   795→            an\sound_play "grass_impact_#{an.random\int(1, 3)}", 0.5, an.random\float(0.95, 1.05)
   796→            break
   797→
   798→    -- Projectile-wall collision: bounce and spawn effects
   799→    for event in *an\collision_begin_events 'projectile', 'wall'
   800→      projectile_object = event.a
   801→
   802→      vx, vy = projectile_object.collider\get_velocity!
   803→      intensity = math.remap math.length(vx, vy), 300, 600, 0, 1
   804→      projectile_object\hit intensity, 'wall', event.normal_x, event.normal_y
   805→
   806→      -- Sound
   807→      if projectile_object.projectile_type != 'arrow'
   808→        an\sound_play "concrete_#{an.random\int(1, 3)}", 0.7, an.random\float(0.95, 1.05)
   809→      -- an\sound_play "arrow_hit_wall_#{an.random\int(1, 2)}", 0.35, an.random\float(0.95, 1.05)
   810→
   811→      -- Spawn hit effects (not for arrows)
   812→      if projectile_object.projectile_type != 'arrow'
   813→        normal_angle = math.angle event.normal_x, event.normal_y
   814→        @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}
   815→        for i = 1, an.random\int 1, 3
   816→          @effects\add hit_particle event.point_x, event.point_y,
   817→            velocity: intensity*an.random\float(100, 200)
   818→            direction: normal_angle + math.pi + an.random\float(-math.pi/3, math.pi/3)
   819→            duration: an.random\float(0.3, 0.5)
... [60 more lines]

Now let me see where the projectile-ball sensor handler ends to know where to insert the new handlers.

Read (E:/a327ex/emoji-ball-battles/main.yue)

880→        projectile_object.collider\set_gravity_scale 2
   881→
   882→      -- Sound
   883→      an\sound_play "weapon_projectile_#{an.random\int(1, 2)}", 1.0, an.random\float(0.95, 1.05)
   884→
   885→      @\hit_effect event.point_x, event.point_y
   886→      ball_object.weapon_ui\reflect! if ball_object.weapon_ui
   887→      ball_object.can_swing_sound_time = 0
   888→
   889→    -- Projectile-ball sensor: deal damage
   890→    for event in *an\sensor_begin_events 'projectile_sensor', 'ball'
   891→      projectile_object = event.a  -- projectile_sensor tag
   892→      ball_object = event.b        -- ball tag
   893→
   894→      -- Skip if hitting same team
   895→      continue if ball_object.team == projectile_object.team
   896→
   897→      vx, vy = projectile_object.collider\get_velocity!
   898→      intensity = math.remap math.length(vx, vy), 300, 600, 0, 1
   899→
   900→      projectile_object\hit intensity, 'ball'
   901→
   902→      damage = projectile_object.damage or 1
   903→      ball_object\take_damage damage
   904→
   905→      -- Track hit for projectile owner
   906→      owner = if projectile_object.team == 'player' then @player_ball else @enemy_ball
   907→      owner.hits_landed += 1
   908→      owner.weapon_ui\landed_hit! if owner.weapon_ui
   909→
... [10 more lines]

Read (E:/a327ex/emoji-ball-battles/main.yue)

919→      y = (projectile_object.y + ball_object.y)/2
   920→      for i = 1, an.random\int 1, 3
   921→        @effects\add star_particle x, y,
   922→          flash_on_spawn: true
   923→
   924→    -- Weapon-ball sensor: deal damage (melee only)
   925→    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'
   926→      attacker = event.a  -- weapon_hitbox tag (ball that owns the weapon)
   927→      defender = event.b  -- ball tag (ball that got hit)
   928→
   929→      -- Skip self-hit, same team, and ranged weapons
   930→      continue if attacker == defender
   931→      continue if attacker.team == defender.team
   932→      continue if attacker.weapon_class != 'melee'
   933→

Good. Now I'll add the two new handlers after the existing projectile-ball sensor block (before "Weapon-ball sensor"). The spiral wall collision just kills on contact, and the spiral weapon sensor does the parry (flip team, reverse spiral direction) without affecting the weapon physically.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now I also need to handle the 'weapon' case in the spiral projectile's hit method so it doesn't kill on parry. Let me check the current hit method.

Read (E:/a327ex/emoji-ball-battles/main.yue)

2950→      arrow_scale = 26/512
  2951→      game\push @x, @y, @angle + 3*math.pi/4, arrow_scale*scale, arrow_scale*scale
  2952→      game\image an.images.arrow, 0, 0, nil, @flashing and white!
  2953→      game\pop!
  2954→    elseif @projectile_type == 'spiral'
  2955→      game\push @x, @y, @angle, scale, scale
  2956→      game\rounded_rectangle -@w/2, -@h/2, @w, @h, @h/2, if @flashing then white! else @spiral_color!
  2957→      game\pop!
  2958→    -- Debug draw collider shape
  2959→    debug_draw\push @x, @y, @angle
  2960→    -- debug_draw\rectangle -@w/2, -@h/2, @w, @h, red!
  2961→    debug_draw\pop!
  2962→
  2963→  hit: (intensity=1, target_type, normal_x, normal_y) =>
  2964→    @spring\pull 'hit', 0.5*intensity, 3, 0.5
  2965→    @flashing = true
  2966→    @timer\after 0.1, -> @flashing = false
  2967→
  2968→    switch target_type
  2969→      when 'wall'
  2970→        if @projectile_type == 'bullet'
  2971→          @bounces -= 1
  2972→          if @bounces < 0
  2973→            @\kill!
  2974→        elseif @projectile_type == 'arrow'
  2975→          angle = @collider\get_angle!
  2976→          -- Flip angle if arrow points outward from wall
  2977→          if math.cos(angle)*normal_x + math.sin(angle)*normal_y < 0
  2978→            angle += math.pi
  2979→          offset = an.random\float(0, 10)

Read (E:/a327ex/emoji-ball-battles/main.yue)

2979→          offset = an.random\float(0, 10)
  2980→          @parent.arena.effects\add stuck_arrow @x + offset*math.cos(angle), @y + offset*math.sin(angle), {angle: angle}
  2981→          @\kill!
  2982→        elseif @projectile_type == 'spiral'
  2983→          @\kill!
  2984→      when 'weapon'
  2985→        if @projectile_type != 'arrow'
  2986→          @bounces -= 1
  2987→          if @bounces < 0
  2988→            @\kill!
  2989→      when 'ball'
  2990→        @\kill!
  2991→
  2992→
  2993→

The weapon case currently kills non-arrow projectiles. Spiral projectiles should survive parry — the spring pull and flash are fine, but no kill. The current logic is if @projectile_type != 'arrow' → decrement bounces → kill. I need to exclude spiral too.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Summary of changes:

  1. Physics tags: spiral_projectile only physically collides with walls, sensors for weapons
  2. Collider: spiral projectiles use 'spiral_projectile' tag instead of 'projectile'
  3. Wall handler: kills spiral projectile on wall contact
  4. Weapon sensor: parry reverses spiral direction, flips team, visual feedback — no physical force on the weapon
  5. Hit method: spiral projectiles survive weapon parry (no kill)

Spiral projectiles still hit the weapons.

Let me check how the physics collision filtering actually works in the engine.

Grep (physics_sensor|physics_collision)

305-an\physics_tag 'bullet'
306-```
307-
308----
309-
310:#### an\physics_collision(tag_a, tag_b)
311-
312-Enables physical collision between two tags. Bodies will collide and generate collision events.
313-
314-```yuescript
315:an\physics_collision 'player', 'wall'
316:an\physics_collision 'player', 'enemy'
317:an\physics_collision 'bullet', 'enemy'
318-```
319-
320----
321-
322:#### an\physics_sensor(tag_a, tag_b)
323-
324-Enables sensor overlap detection. Bodies pass through each other but generate sensor events.
325-
326-```yuescript
327:an\physics_sensor 'player', 'coin'
328:an\physics_sensor 'player', 'danger_zone'
329-```
330-
331----
332-
333-#### an\physics_hit(tag_a, tag_b)

Grep (tags that have no collision.*registered|collide by default|default collision)

No matches found

Grep (physics_tag)

287-#### an\physics_set_meter_scale(scale)
288-
289-Sets pixels per meter for physics simulation. Box2D works in meters internally.
290-
291-```yuescript
292-an\physics_set_meter_scale 64    -- 64 pixels = 1 meter
293-```
294-
295----
296-
297:#### an\physics_tag(name)
298-
299-Registers a collision tag. Tags must be registered before use.
300-
301-```yuescript
302:an\physics_tag 'player'
303:an\physics_tag 'enemy'
304:an\physics_tag 'wall'
305:an\physics_tag 'bullet'
306-```
307-
308----
309-
310-#### an\physics_collision(tag_a, tag_b)
311-
312-Enables physical collision between two tags. Bodies will collide and generate collision events.
313-
314-```yuescript
315-an\physics_collision 'player', 'wall'

Let me check the engine source to understand if unregistered tag pairs still collide physically.

Grep (physics_tag|collision_mask|category_bits|filter)

91:// filter_mode is defined later in the font section
456:    uint64_t collision_mask;  // Which tags this collides with (physical response)
461:static PhysicsTag physics_tags[MAX_PHYSICS_TAGS];
462:static int physics_tag_count = 0;
465:static int physics_tag_find(const char* name) {
466:    for (int i = 0; i < physics_tag_count; i++) {
467:        if (strcmp(physics_tags[i].name, name) == 0) {
475:static PhysicsTag* physics_tag_get(int index) {
476:    if (index < 0 || index >= physics_tag_count) return NULL;
477:    return &physics_tags[index];
481:static PhysicsTag* physics_tag_get_by_name(const char* name) {
482:    int index = physics_tag_find(name);
484:    return &physics_tags[index];
853:// Global filter mode (smooth = anti-aliased, rough = hard pixel edges)
859:static int filter_mode = FILTER_ROUGH;  // Default to pixel-perfect
882:    int filter;             // Filter mode font was loaded with (FILTER_SMOOTH or FILTER_ROUGH)
929:// Uses global filter_mode: FILTER_ROUGH = 1-bit mono, FILTER_SMOOTH = 8-bit grayscale AA
982:    font->filter = filter_mode;  // Store filter mode font was loaded with
1001:    // Determine FreeType load flags based on filter mode
1003:    if (filter_mode == FILTER_ROUGH) {
1044:                if (filter_mode == FILTER_ROUGH) {
1092:        // Use appropriate filtering based on mode
1093:        GLint tex_filter = (filter_mode == FILTER_ROUGH) ? GL_NEAREST : GL_LINEAR;
1098:        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, tex_filter);
1099:        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, tex_filter);
1110:           filter_mode == FILTER_ROUGH ? "rough" : "smooth",
4682:static int l_set_filter_mode(lua_State* L) {
4685:        filter_mode = FILTER_SMOOTH;
4687:        filter_mode = FILTER_ROUGH;
4689:        return luaL_error(L, "Invalid filter mode: %s (use 'smooth' or 'rough')", mode);
... [12 more lines]

Read (E:/a327ex/Anchor/engine/src/anchor.c)

5395→
  5396→    // Check if already registered
  5397→    if (physics_tag_find(name) >= 0) {
  5398→        return 0;  // Already exists, silently succeed
  5399→    }
  5400→
  5401→    // Check capacity
  5402→    if (physics_tag_count >= MAX_PHYSICS_TAGS) {
  5403→        return luaL_error(L, "Maximum number of physics tags (%d) reached", MAX_PHYSICS_TAGS);
  5404→    }
  5405→
  5406→    // Register new tag
  5407→    PhysicsTag* tag = &physics_tags[physics_tag_count];
  5408→    strncpy(tag->name, name, MAX_TAG_NAME - 1);
  5409→    tag->name[MAX_TAG_NAME - 1] = '\0';
  5410→    tag->category_bit = (uint64_t)1 << physics_tag_count;  // Assign next bit
  5411→    tag->collision_mask = 0;  // No collisions by default
  5412→    tag->sensor_mask = 0;     // No sensor events by default
  5413→    tag->hit_mask = 0;        // No hit events by default
  5414→
  5415→    physics_tag_count++;
  5416→    return 0;
  5417→}
  5418→
  5419→static int l_physics_enable_collision(lua_State* L) {
  5420→    const char* name_a = luaL_checkstring(L, 1);
  5421→    const char* name_b = luaL_checkstring(L, 2);
  5422→
  5423→    PhysicsTag* tag_a = physics_tag_get_by_name(name_a);
  5424→    PhysicsTag* tag_b = physics_tag_get_by_name(name_b);
... [50 more lines]

The filtering looks correct — collision_mask = 0 by default, only explicitly registered pairs interact. Let me check how the pre-solve or should-collide callback uses these masks, especially with multiple shapes on the same body.

Grep (ShouldCollide|PreSolve|b2Filter|category_bit.*filter|shape_filter)

No matches found

Grep (collision_mask|category_bit|b2ShapeDef|filter)

91:// filter_mode is defined later in the font section
455:    uint64_t category_bit;    // Single bit identifying this tag (1, 2, 4, 8, ...)
456:    uint64_t collision_mask;  // Which tags this collides with (physical response)
853:// Global filter mode (smooth = anti-aliased, rough = hard pixel edges)
859:static int filter_mode = FILTER_ROUGH;  // Default to pixel-perfect
882:    int filter;             // Filter mode font was loaded with (FILTER_SMOOTH or FILTER_ROUGH)
929:// Uses global filter_mode: FILTER_ROUGH = 1-bit mono, FILTER_SMOOTH = 8-bit grayscale AA
982:    font->filter = filter_mode;  // Store filter mode font was loaded with
1001:    // Determine FreeType load flags based on filter mode
1003:    if (filter_mode == FILTER_ROUGH) {
1044:                if (filter_mode == FILTER_ROUGH) {
1092:        // Use appropriate filtering based on mode
1093:        GLint tex_filter = (filter_mode == FILTER_ROUGH) ? GL_NEAREST : GL_LINEAR;
1098:        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, tex_filter);
1099:        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, tex_filter);
1110:           filter_mode == FILTER_ROUGH ? "rough" : "smooth",
4682:static int l_set_filter_mode(lua_State* L) {
4685:        filter_mode = FILTER_SMOOTH;
4687:        filter_mode = FILTER_ROUGH;
4689:        return luaL_error(L, "Invalid filter mode: %s (use 'smooth' or 'rough')", mode);
4694:static int l_get_filter_mode(lua_State* L) {
4695:    lua_pushstring(L, filter_mode == FILTER_ROUGH ? "rough" : "smooth");
5410:    tag->category_bit = (uint64_t)1 << physics_tag_count;  // Assign next bit
5411:    tag->collision_mask = 0;  // No collisions by default
5430:    tag_a->collision_mask |= tag_b->category_bit;
5431:    tag_b->collision_mask |= tag_a->category_bit;
5446:    tag_a->collision_mask &= ~tag_b->category_bit;
5447:    tag_b->collision_mask &= ~tag_a->category_bit;
5462:    tag_a->sensor_mask |= tag_b->category_bit;
5463:    tag_b->sensor_mask |= tag_a->category_bit;
... [12 more lines]

Read (E:/a327ex/Anchor/engine/src/anchor.c)

5593→
  5594→// Helper to setup shape def from tag
  5595→static void setup_shape_def_from_tag(b2ShapeDef* def, PhysicsTag* tag, bool is_sensor) {
  5596→    def->filter.categoryBits = tag->category_bit;
  5597→    def->filter.maskBits = tag->collision_mask | tag->sensor_mask;  // Include both for filtering
  5598→    def->isSensor = is_sensor;
  5599→
  5600→    // Enable events based on tag configuration
  5601→    def->enableSensorEvents = (tag->sensor_mask != 0);
  5602→    def->enableContactEvents = (tag->collision_mask != 0);
  5603→    def->enableHitEvents = (tag->hit_mask != 0);
  5604→}
  5605→
  5606→// physics_add_circle(body, tag, radius, [opts])
  5607→static int l_physics_add_circle(lua_State* L) {
  5608→    if (!physics_initialized) {
  5609→        return luaL_error(L, "Physics not initialized");
  5610→    }
  5611→
  5612→    b2BodyId* body_id = (b2BodyId*)lua_touserdata(L, 1);
  5613→    if (!body_id) return luaL_error(L, "Invalid body");
  5614→
  5615→    const char* tag_name = luaL_checkstring(L, 2);
  5616→    PhysicsTag* tag = physics_tag_get_by_name(tag_name);
  5617→    if (!tag) return luaL_error(L, "Unknown physics tag: %s", tag_name);
  5618→
  5619→    float radius = (float)luaL_checknumber(L, 3);
  5620→
  5621→    // Parse options table (4th argument, optional)
  5622→    bool is_sensor = false;
... [50 more lines]

Found the issue. In the engine, maskBits = collision_mask | sensor_mask — both are combined into the shape's filter. Since the spiral_projectile main shape is not a sensor (isSensor = false), Box2D treats the weapon interaction as a physical collision even though the engine registered it as a sensor pair.

The fix is to remove the physics_sensor 'spiral_projectile', 'weapon' and instead add a separate sensor shape on the spiral projectile body for weapon detection (same pattern as projectile_sensor is used for ball detection):

-- Physics setup:
an\physics_tag 'spiral_weapon_sensor'
an\physics_sensor 'spiral_weapon_sensor', 'weapon'
-- remove: an\physics_sensor 'spiral_projectile', 'weapon'

-- Constructor: add a sensor shape for weapon detection
@weapon_sensor = @collider\add_box 'spiral_weapon_sensor', @w, @h, {sensor: true}
@collider\set_density 0, @weapon_sensor

-- Arena handler: listen for spiral_weapon_sensor events instead
for event in *an\sensor_begin_events 'spiral_weapon_sensor', 'weapon'

Shall I make these changes?

Sure.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now add the weapon sensor shape in the spiral constructor.

Read (E:/a327ex/emoji-ball-battles/main.yue)

2876→      @collider\set_friction 0
  2877→      @collider\set_gravity_scale 0.5
  2878→      @collider\apply_impulse @velocity*math.cos(@direction), @velocity*math.sin(@direction)
  2879→      @collider\set_density 0.4
  2880→    elseif @projectile_type == 'arrow'
  2881→      @w = 18
  2882→      @h = 4
  2883→      @\add collider 'projectile', 'dynamic', 'box', @w, @h
  2884→      @collider\set_position @x, @y
  2885→      @collider\set_restitution 0
  2886→      @collider\set_friction 1
  2887→      @collider\set_gravity_scale 0
  2888→      @collider\apply_impulse @velocity*math.cos(@direction), @velocity*math.sin(@direction)
  2889→      @collider\set_density 0.1
  2890→    elseif @projectile_type == 'spiral'
  2891→      @w = 15
  2892→      @h = 8
  2893→      @spiral_turn_rate = args.spiral_turn_rate or 12
  2894→      @spiral_turn_decrease_rate = 2
  2895→      @spiral_color = args.spiral_color or lollipop_colors[1]

Read (E:/a327ex/emoji-ball-battles/main.yue)

2895→      @spiral_color = args.spiral_color or lollipop_colors[1]
  2896→      @spiral_angle = args.direction or 0
  2897→      @spiral_speed = 0
  2898→      @spiral_target_speed = args.velocity or 200
  2899→      @spiral_time = 0
  2900→      @\add collider 'spiral_projectile', 'dynamic', 'box', @w, @h
  2901→      @collider\set_position @x, @y
  2902→      @collider\set_restitution 0
  2903→      @collider\set_friction 0
  2904→      @collider\set_gravity_scale 0
  2905→      @collider\set_density 0.4
  2906→    @collider\set_bullet true  -- continuous collision detection
  2907→
  2908→    -- Sensor shape for ball detection (passes through balls)
  2909→    sensor_w = @w
  2910→    sensor_h = @h
  2911→    @ball_sensor = @collider\add_box 'projectile_sensor', sensor_w, sensor_h, {sensor: true}
  2912→    @collider\set_density 0, @ball_sensor
  2913→
  2914→    -- Visual feedback

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now update the arena handler to use the new sensor tag.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Now spiral projectiles have three shapes:

  1. Main shape (spiral_projectile) — only physically collides with walls
  2. Ball sensor (projectile_sensor) — detects ball overlap for damage
  3. Weapon sensor (spiral_weapon_sensor) — detects weapon overlap for parry, no physical interaction

ERROR: anchor/layer.lua:64: bad argument #2 to 'layer_circle' (number expected, got nil) stack traceback: [C]: in function 'layer_circle' anchor/layer.lua:64: in function <anchor/layer.lua:50> (...tail calls...) anchor/object.lua:401: in method '_update' anchor/init.lua:1515: in function 'update'

This error happens when the projectile hits an enemy weapon.

The sensor event doesn't have point_x/point_y — those only exist on collision events. The @\hit_effect event.point_x, event.point_y call in the spiral parry handler is passing nil. Let me check what hit_effect does and fix the call.

Grep (hit_effect:)

1052-  -- Uses remap + quint_out: 0 below 0.5, ramps quickly above
1053-  get_hit_stop_probability: =>
1054-    t = math.clamp(@time_since_last_hit/1.5, 0, 1)
1055-    if t < 0.5
1056-      0
1057-    else
1058-      math.quint_out(math.remap(t, 0.5, 1, 0, 1))
1059-
1060:  hit_effect: (x, y, multiplier=1.0) =>
1061-    probability = @\get_hit_stop_probability!
1062-    hit_effect_chance = 35 + 65*probability  -- 35% at rapid hits, 100% at fresh hit
1063-
1064-    if an.random\bool hit_effect_chance
1065-      @effects\add hit_effect x, y, {scale: 1.35*multiplier}
1066-    else
1067-      @effects\add hit_circle x, y, {radius: 9*multiplier}
1068-      particle_count = math.floor(an.random\int(2, 4)*multiplier)

As suspected — hit_effect calls hit_effect x, y which eventually calls layer_circle with nil coordinates. For the sensor handler, I should use the projectile's own position instead of event.point_x/y.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

[Request interrupted by user]

Sorry, continue.

Grep (hit_effect event.point_x, event.point_y)

755:      @\hit_effect event.point_x, event.point_y, hit_multiplier
886:      @\hit_effect event.point_x, event.point_y
946:      @\hit_effect event.point_x, event.point_y

Read (E:/a327ex/emoji-ball-battles/main.yue)

936→      continue if ball_object.team == projectile_object.team
   937→
   938→      -- Flip team
   939→      projectile_object.team = ball_object.team
   940→
   941→      -- Reverse spiral direction based on weapon rotation
   942→      projectile_object.spiral_turn_rate = -projectile_object.spiral_turn_rate
   943→
   944→      -- Visual feedback
   945→      projectile_object\hit 0.5, 'weapon'
   946→      @\hit_effect event.point_x, event.point_y
   947→
   948→    -- Weapon-ball sensor: deal damage (melee only)
   949→    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'
   950→      attacker = event.a  -- weapon_hitbox tag (ball that owns the weapon)

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Sensor events don't carry contact point coordinates, so I'm using the projectile's own position for the hit effect instead.

Spiral projectiles don't have their visual effects triggered when hitting walls.

The spiral wall handler only calls projectile_object\hit — it doesn't spawn the hit circle, particles, or sound like the regular wall handler does. Let me add those.

Grep (Spiral projectile-wall collision)

920-      y = (projectile_object.y + ball_object.y)/2
921-      for i = 1, an.random\int 1, 3
922-        @effects\add star_particle x, y,
923-          flash_on_spawn: true
924-
925:    -- Spiral projectile-wall collision: kill on contact
926-    for event in *an\collision_begin_events 'spiral_projectile', 'wall'
927-      projectile_object = event.a
928-      projectile_object\hit 1, 'wall', event.normal_x, event.normal_y
929-
930-    -- Spiral projectile-weapon sensor: parry (no physical effect on weapon)

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Also using the projectile's spiral_color for the hit circle and particles instead of the generic yellow, so the effects match the projectile's color.

Something about the particles is off. I believe the intensity calculation must be coming out as lower here since spiral projectiles have a fixed speed and thus the 300, 600 remap makes them too small. Because spiral projectiles have a fixed velocity, we should just remove the intensity variable here.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Removed intensity entirely — fixed radius of 10 for the hit circle and fixed velocity range for particles.

Let's make it so that melee weapons don't turn the spiral projectiles, they just kill them.

Grep (Spiral projectile-weapon sensor)

930-      an\sound_play "concrete_#{an.random\int(1, 3)}", 0.7, an.random\float(0.95, 1.05)
931-      normal_angle = math.angle event.normal_x, event.normal_y
932-      @effects\add hit_circle event.point_x, event.point_y, {radius: 10, duration: an.random\float(0.15, 0.3), color: projectile_object.spiral_color, flash_on_spawn: true}
933-      for i = 1, an.random\int 1, 3
934-        @effects\add hit_particle event.point_x, event.point_y,
935-          velocity: an.random\float(100, 200)
936-          direction: normal_angle + math.pi + an.random\float(-math.pi/3, math.pi/3)
937-          duration: an.random\float(0.3, 0.5)
938-          color: projectile_object.spiral_color
939-          gravity: 256
940-          flash_on_spawn: true
941-
942:    -- Spiral projectile-weapon sensor: parry (no physical effect on weapon)
943-    for event in *an\sensor_begin_events 'spiral_weapon_sensor', 'weapon'
944-      projectile_object = event.a
945-      ball_object = event.b
946-
947-      -- Skip if hitting same team's weapon
948-      continue if ball_object.team == projectile_object.team
949-
950-      -- Flip team
951-      projectile_object.team = ball_object.team
952-
953-      -- Reverse spiral direction based on weapon rotation
954-      projectile_object.spiral_turn_rate = -projectile_object.spiral_turn_rate

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done.

Effect of projectile kills should be flash and spring on weapon, wall death projectile effect on the projectile position itself.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. For the wall death effect I used an.random\angle! for particle directions since there's no wall normal here — they scatter in all directions.

Let's also add the sound of projectile hitting a weapon when it dies.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done.

The pitch for these should be like 0.6, 0.7

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done.

Perfect, now let's add the auto-attack timer.

Let me check the timer API to make sure I use the right method for repeating events.

Grep (timer.every|every.timer|\btimer\b)

371:timer\after(delay, name_or_callback, callback?) -> timer
376:timer\every(interval, name_or_callback, callback?, times?) -> timer
377:timer\every_step(name_or_callback, callback?) -> timer
382:timer\during(duration, name_or_callback, callback?, after?) -> timer
383:timer\during_step(name_or_callback, callback?, after?) -> timer
388:timer\tween(duration, target, properties, easing?, name?, after?) -> timer
393:timer\watch(condition, name_or_callback, callback?) -> timer
394:timer\when(condition, name_or_callback, callback?) -> timer
395:timer\cooldown(duration, name) -> timer
400:timer\cancel(name)
401:timer\trigger(name)
402:timer\set_multiplier(multiplier)
403:timer\get_time_left(name) -> number | nil

timer\every exists. Here's what I'd add:

In the weapon auto-attack setup (after the bow block): yuescript elseif @weapon_type == 'lollipop' @timer\every @lollipop_cooldown, 'lollipop_fire', -> @\lollipop_fire! @cooldown_bar\activate @lollipop_cooldown

New method on ball (after bow_start_pull): yuescript lollipop_fire: => @lollipop_color_index = (@lollipop_color_index % 3) + 1 spawn_x = @x + @weapon_hitbox_offset*math.cos(@angle) spawn_y = @y + @weapon_hitbox_offset*math.sin(@angle) @parent.projectiles\add projectile spawn_x, spawn_y, projectile_type: 'spiral' direction: @angle team: @team spiral_color: lollipop_colors[@lollipop_color_index] flash_on_spawn: true

Looks right?

Yes, we also need to change the weapon UI to reflect the lollipop.

[Request interrupted by user]

Yes, do this, let's change the weapon UI later.

Read (E:/a327ex/emoji-ball-battles/main.yue)

1410→
  1411→    -- Add weapon hitbox (physical, 0 density so it doesn't affect ball mass/inertia)
  1412→    @weapon_shape = @collider\add_box 'weapon', @weapon_hitbox_length, @weapon_hitbox_width, {offset_x: @weapon_hitbox_offset}
  1413→    @collider\set_restitution 1, @weapon_shape
  1414→    @collider\set_density 0, @weapon_shape
  1415→
  1416→    -- Add sensor for detecting ball overlaps (passes through balls, generates events)
  1417→    @weapon_sensor = @collider\add_box 'weapon_hitbox', @weapon_hitbox_length, @weapon_hitbox_width, {offset_x: @weapon_hitbox_offset, sensor: true}
  1418→    @collider\set_restitution 1, @weapon_sensor
  1419→    @collider\set_density 0, @weapon_sensor
  1420→
  1421→    -- Track low vertical velocity time for sliding detection
  1422→    @low_vy_time = 0
  1423→    @low_vy_threshold = an.random\float 0.5, 1.5
  1424→
  1425→    -- Initial rotation
  1426→    @angle = an.random\angle!
  1427→    @collider\set_angle @angle
  1428→
  1429→    -- Angular velocity guardrails (keeps rotation speed balanced for gameplay)

Read (E:/a327ex/emoji-ball-battles/main.yue)

1480→    @\add timer!
  1481→    @collider\set_gravity_scale 0
  1482→
  1483→    -- Weapon auto-attack setup (requires timer initialized above)
  1484→    if @weapon_type == 'gun'
  1485→      @gun_ready = false
  1486→      @timer\after @base_cooldown, 'gun_cooldown', -> @gun_ready = true
  1487→      @timer\when (-> @gun_ready and @\gun_is_aligned!), 'gun_fire', (-> @\gun_fire!)
  1488→      @cooldown_bar\activate @base_cooldown
  1489→    elseif @weapon_type == 'sword'
  1490→      @thrust_ready = false
  1491→      @timer\after @thrust_cooldown, 'thrust_cooldown', -> @thrust_ready = true
  1492→      @timer\when (-> @thrust_ready and @\sword_is_aligned!), 'sword_thrust', (-> @\sword_thrust!)
  1493→      @cooldown_bar\activate @thrust_cooldown
  1494→    elseif @weapon_type == 'bow'
  1495→      @bow_ready = false
  1496→      @timer\after @bow_cooldown, 'bow_cooldown', -> @bow_ready = true
  1497→      @timer\when (-> @bow_ready and @\bow_is_aligned!), 'bow_fire', (-> @\bow_fire!)
  1498→      @cooldown_bar\activate @bow_cooldown
  1499→  update: (dt) =>
  1500→    -- When paused, use dt = 0 so physics logic doesn't run
  1501→    dt = 0 if @parent.paused
  1502→
  1503→    -- Read angle from physics
  1504→    @angle = @collider\get_angle!
  1505→
  1506→    -- Angular velocity guardrails (skip during thrust)
  1507→    angular_velocity = @collider\get_angular_velocity!
  1508→    angular_speed = math.abs(angular_velocity)
  1509→    angular_sign = math.sign(angular_velocity)

Now let me find bow_start_pull to insert lollipop_fire after it.

Read (E:/a327ex/emoji-ball-battles/main.yue)

2030→    spawn_x = @x + 20*math.cos(@angle)
  2031→    spawn_y = @y + 20*math.sin(@angle)
  2032→    @parent.projectiles\add projectile spawn_x, spawn_y,
  2033→      projectile_type: 'arrow'
  2034→      velocity: 10
  2035→      direction: @angle
  2036→      flash_on_spawn: true
  2037→      team: @team
  2038→      bounces: 0
  2039→      shot_id: shot_id
  2040→
  2041→  -- Start bow pull animation for next arrow
  2042→  bow_start_pull: (duration) =>
  2043→    @bow_arrow_alpha = 1
  2044→    @timer\tween duration, @, {bow_pull_amount: 8}, math.quad_out, nil, 'bow_release'

Read (E:/a327ex/emoji-ball-battles/main.yue)

2044→    @timer\tween duration, @, {bow_pull_amount: 8}, math.quad_out, nil, 'bow_release'
  2045→    @timer\tween duration, @, {bow_sy: 0.9}, math.quad_out, nil, 'bow_sy_release'
  2046→
  2047→  flash_ball: (duration=0.15) =>
  2048→    @ball_flashing = true
  2049→    @timer\after duration, 'ball_flash', -> @ball_flashing = false
  2050→
  2051→  -- Squash ball on wall collision: horizontal wall squashes y, vertical wall squashes x
  2052→  squash: (normal_x, normal_y, amount=0.3) =>
  2053→    if math.abs(normal_y) > math.abs(normal_x)

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. The lollipop now fires a spiral projectile every lollipop_cooldown seconds, cycling through the three colors.

We need to add a restriction that the projectile can't be spawned either inside or too close to any of the walls. If it would be spawned in such a manner, we need to wait until we're in a correct spot and spawn it immediately.

The cleanest way is to switch from timer\every to the same timer\after + timer\when pattern as gun/bow, and add a lollipop_can_fire check that verifies the spawn point isn't too close to any wall.

Here's what I'd change:

Auto-attack setup: yuescript elseif @weapon_type == 'lollipop' @lollipop_ready = false @timer\after @lollipop_cooldown, 'lollipop_cooldown', -> @lollipop_ready = true @timer\when (-> @lollipop_ready and @\lollipop_can_fire!), 'lollipop_fire', (-> @\lollipop_fire!) @cooldown_bar\activate @lollipop_cooldown

New lollipop_can_fire method: yuescript lollipop_can_fire: => spawn_x = @x + @weapon_hitbox_offset*math.cos(@angle) spawn_y = @y + @weapon_hitbox_offset*math.sin(@angle) margin = 15 arena = @parent spawn_x > arena.x + margin and spawn_x < arena.x + arena.w - margin and spawn_y > arena.y + margin and spawn_y < arena.y + arena.h - margin

Updated lollipop_fire — reset ready and restart cooldown like gun does: yuescript lollipop_fire: => @lollipop_ready = false @timer\after @lollipop_cooldown, 'lollipop_cooldown', -> @lollipop_ready = true @cooldown_bar\activate @lollipop_cooldown @lollipop_color_index = (@lollipop_color_index % 3) + 1 spawn_x = @x + @weapon_hitbox_offset*math.cos(@angle) spawn_y = @y + @weapon_hitbox_offset*math.sin(@angle) @parent.projectiles\add projectile spawn_x, spawn_y, projectile_type: 'spiral' direction: @angle team: @team spiral_color: lollipop_colors[@lollipop_color_index] flash_on_spawn: true

Looks right?

Margin should be double the size, everything else looks good.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done.

Hmmm, let's make it so that the lollipop spawns a projectile once every full rotation. Think carefully about how to do this one.

The cleanest approach here is to ditch the timer entirely and accumulate rotation in the update loop directly. Track how many radians the ball has rotated since the last spawn — once it hits 2π, set ready. Then fire as soon as the position is valid.

Constructor — replace the timer setup: yuescript elseif @weapon_type == 'lollipop' @lollipop_ready = false @lollipop_rotation_accumulator = 0

In the weapon-specific update block (alongside the sword/bow/dagger cases): yuescript elseif @weapon_type == 'lollipop' if not @lollipop_ready @lollipop_rotation_accumulator += angular_speed*dt if @lollipop_rotation_accumulator >= 2*math.pi @lollipop_ready = true elseif @\lollipop_can_fire! @\lollipop_fire!

Updated lollipop_fire — reset accumulator instead of starting a timer: yuescript lollipop_fire: => @lollipop_ready = false @lollipop_rotation_accumulator = 0 -- rest stays the same...

The cooldown bar won't work well here since there's no time value to give it — I'd drop it for now. Looks right?

Yes, except the rotation value should be reset whenever the lollipop hits and gets turned by something, either a weapon or a projectile that can hit weapons.

That means resetting @lollipop_rotation_accumulator = 0 on the relevant ball in two places: weapon-weapon collisions and projectile-weapon parries. Let me find those handlers.

Grep (collision_begin_events 'weapon', 'weapon')

673-      ball_b.spring\pull 'hit', intensity*0.4, 3, 0.7
674-
675-    -- Weapon-weapon collision handling
676:    for event in *an\collision_begin_events 'weapon', 'weapon'
677-      ball_a, ball_b = event.a, event.b
678-
679-      -- Reset angular velocity guardrails (let physics do its thing)

Read (E:/a327ex/emoji-ball-battles/main.yue)

676→    for event in *an\collision_begin_events 'weapon', 'weapon'
   677→      ball_a, ball_b = event.a, event.b
   678→
   679→      -- Reset angular velocity guardrails (let physics do its thing)
   680→      ball_a.time_above_base = 0
   681→      ball_a.time_below_base = 0
   682→      ball_b.time_above_base = 0
   683→      ball_b.time_below_base = 0
   684→
   685→      -- Apply energy boost to compensate for collision energy loss
   686→      vx_a, vy_a = ball_a.collider\get_velocity!
   687→      vx_b, vy_b = ball_b.collider\get_velocity!
   688→      vx_a = vx_a*@weapon_energy_boost
   689→      vy_a = vy_a*@weapon_energy_boost
   690→      vx_b = vx_b*@weapon_energy_boost
   691→      vy_b = vy_b*@weapon_energy_boost
   692→
   693→      -- Apply weapon weight: heavier weapons move slower after collisions
   694→      vx_a = vx_a / ball_a.weapon_weight
   695→      vy_a = vy_a / ball_a.weapon_weight
   696→      vx_b = vx_b / ball_b.weapon_weight
   697→      vy_b = vy_b / ball_b.weapon_weight
   698→
   699→      -- Cap speed at @max_ball_speed
   700→      speed_a = math.length(vx_a, vy_a)
   701→      if speed_a > @max_ball_speed
   702→        scale = @max_ball_speed/speed_a
   703→        vx_a = vx_a*scale
   704→        vy_a = vy_a*scale
   705→
... [30 more lines]

Read (E:/a327ex/emoji-ball-battles/main.yue)

735→
   736→      -- headless: log parry event
   737→      @headless_events[] = {step: @headless_step_count, type: 'parry', ball_a: ball_a.team, ball_b: ball_b.team, weapon_a: ball_a.weapon_type, weapon_b: ball_b.weapon_type}
   738→
   739→      -- Flash both weapons
   740→      ball_a\flash_weapon!
   741→      ball_b\flash_weapon!
   742→
   743→      -- Spring pull on weapons
   744→      ball_a.spring\pull 'weapon', 0.35, 3, 0.5
   745→      ball_b.spring\pull 'weapon', 0.35, 3, 0.5
   746→
   747→      -- Reset swing sound timer for melee weapons
   748→      ball_a.can_swing_sound_time = 0 if ball_a.weapon_class == 'melee'
   749→      ball_b.can_swing_sound_time = 0 if ball_b.weapon_class == 'melee'
   750→
   751→      -- Sound
   752→      an\sound_play 'dagger_wall', 0.54, an.random\float(0.95, 1.05)
   753→
   754→      hit_multiplier = math.max(ball_a.hit_particle_multiplier, ball_b.hit_particle_multiplier)
   755→      @\hit_effect event.point_x, event.point_y, hit_multiplier
   756→      @\hit_stop 0.1 * math.max(ball_a.hit_stop_multiplier, ball_b.hit_stop_multiplier)
   757→      shake_multiplier = math.max(ball_a.camera_shake_multiplier, ball_b.camera_shake_multiplier)
   758→      an.camera.shake\shake 3*shake_multiplier, 0.1*shake_multiplier
   759→
   760→      -- Trigger reflect on melee weapons
   761→      if ball_a.weapon_class == 'melee'
   762→        ball_a.weapon_ui\reflect! if ball_a.weapon_ui
   763→      if ball_b.weapon_class == 'melee'
   764→        ball_b.weapon_ui\reflect! if ball_b.weapon_ui

Good. Now let me find the end of the weapon-weapon block and the projectile-weapon parry handler location.

Read (E:/a327ex/emoji-ball-battles/main.yue)

860→      -- Flash and spring pull on weapon (same as weapon-weapon)
   861→      ball_object\flash_weapon!
   862→      ball_object.spring\pull 'weapon', 0.35, 3, 0.5
   863→
   864→      -- Apply weapon weight to angular velocity: heavier weapons resist rotation changes (quadratic)
   865→      av = ball_object.collider\get_angular_velocity!
   866→      change = av - ball_object.last_angular_velocity
   867→      scaled_change = change / ball_object.weapon_weight^2
   868→      av = ball_object.last_angular_velocity + scaled_change
   869→      ball_object.collider\set_angular_velocity av
   870→
   871→      -- Flip projectile team to reflector's team (can now hit original shooter)
   872→      projectile_object.team = ball_object.team
   873→
   874→      -- Boost arrow velocity on parry and enable gravity
   875→      if projectile_object.projectile_type == 'arrow'
   876→        pvx, pvy = projectile_object.collider\get_velocity!
   877→        post_speed = math.length(pvx, pvy)
   878→        target_speed = math.max(post_speed, projectile_object.base_speed or 0)
   879→        if post_speed > 0

Now I have enough context. I'll add the accumulator reset in both places — after the angular velocity is set in weapon-weapon, and after it's set in projectile-weapon.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. The accumulator resets in both weapon-weapon collisions (for both balls if applicable) and projectile-weapon parries (for the defending ball).

Now let me make the remaining changes — remove the old timer-based setup and add the update loop logic.

Read (E:/a327ex/emoji-ball-battles/main.yue)

1494→      @timer\when (-> @gun_ready and @\gun_is_aligned!), 'gun_fire', (-> @\gun_fire!)
  1495→      @cooldown_bar\activate @base_cooldown
  1496→    elseif @weapon_type == 'sword'
  1497→      @thrust_ready = false
  1498→      @timer\after @thrust_cooldown, 'thrust_cooldown', -> @thrust_ready = true
  1499→      @timer\when (-> @thrust_ready and @\sword_is_aligned!), 'sword_thrust', (-> @\sword_thrust!)
  1500→      @cooldown_bar\activate @thrust_cooldown
  1501→    elseif @weapon_type == 'bow'
  1502→      @bow_ready = false
  1503→      @timer\after @bow_cooldown, 'bow_cooldown', -> @bow_ready = true
  1504→      @timer\when (-> @bow_ready and @\bow_is_aligned!), 'bow_fire', (-> @\bow_fire!)
  1505→      @cooldown_bar\activate @bow_cooldown
  1506→    elseif @weapon_type == 'lollipop'
  1507→      @lollipop_ready = false
  1508→      @timer\after @lollipop_cooldown, 'lollipop_cooldown', -> @lollipop_ready = true

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now add the update loop logic. Let me find the weapon-specific update section.

Grep (elseif @weapon_type == 'dagger')

1373:    elseif @weapon_type == 'dagger'
1624:    elseif @weapon_type == 'dagger'
1775:    elseif @weapon_type == 'dagger'

Read (E:/a327ex/emoji-ball-battles/main.yue)

1624→    elseif @weapon_type == 'dagger'
  1625→      -- Swing sound: first at 0.07 rotation, then every full rotation, max 5 times
  1626→      -- Fixed threshold based on original base (1.5π * 3.5 = 5.25π)
  1627→      -- Disabled when base velocity reaches 6.5π (~25 hits)
  1628→      -- Only plays within 1.33 seconds of a weapon-weapon or projectile-weapon hit
  1629→      @can_swing_sound_time += dt
  1630→      if @base_angular_velocity < 6.5*math.pi and angular_speed > 4.75*math.pi and @can_swing_sound_time <= 1.33
  1631→        if not @fast_spinning
  1632→          @fast_spinning = true
  1633→          @rotation_accumulator = 0
  1634→          @swing_sound_count = 0
  1635→        elseif @swing_sound_count < 5
  1636→          @rotation_accumulator += angular_speed * dt
  1637→          threshold = if @swing_sound_count == 0 then 0.07*2*math.pi else 2*math.pi
  1638→          if @rotation_accumulator >= threshold
  1639→            @rotation_accumulator -= threshold
  1640→            @swing_sound_count += 1
  1641→            an\sound_play "dagger_swing_#{an.random\int(1, 5)}", 0.7, an.random\float(0.95, 1.05)
  1642→      else
  1643→        @fast_spinning = false

Read (E:/a327ex/emoji-ball-battles/main.yue)

1644→        @rotation_accumulator = 0
  1645→        @swing_sound_count = 0
  1646→
  1647→    -- Low floor detection: if vertical velocity stays low while near the floor, give it a hop
  1648→    vx, vy = @collider\get_velocity!
  1649→    near_floor = @y + @radius > @parent.y + @parent.h - 20
  1650→    if near_floor
  1651→      @low_vy_time += dt
  1652→      if @low_vy_time > @low_vy_threshold and math.abs(vy) < 15
  1653→        @low_vy_time = 0

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now update lollipop_fire to remove the old timer logic.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. The lollipop now fires once per full rotation. The accumulator resets on weapon-weapon collisions, projectile parries, and on each spawn.

Does this take into account rotations to the left?

Yes — angular_speed = math.abs(angular_velocity) is used, which is already computed earlier in the update loop. So it accumulates the absolute rotation regardless of direction.

Debug draw the current angle where the accumulator was last set to 0, so I can see where it is and if it's handling it properly.

I'll store the angle at reset and draw a line from the ball in that direction when debug is on.

Store angle on reset — in the update loop where accumulator is set to 0, and in lollipop_fire: yuescript @lollipop_rotation_accumulator = 0 @lollipop_reset_angle = @angle

Debug draw — in the ball's drawing section, after the weapon hitbox draw: yuescript if debug_draw_enabled and @weapon_type == 'lollipop' and @lollipop_reset_angle len = 30 debug_draw\line @x, @y, @x + len*math.cos(@lollipop_reset_angle), @y + len*math.sin(@lollipop_reset_angle), 2, red!

I need to set @lollipop_reset_angle in three places: the two collision resets and lollipop_fire. Looks right?

Yes.

First, initialize @lollipop_reset_angle in the constructor.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now add it to the three reset locations.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now add the debug draw. Let me find the hitbox debug draw location in the ball update.

Grep (Debug draw weapon hitbox)

1795-    elseif @weapon_type == 'lollipop'
1796-      weapons\push weapon_x, weapon_y, @angle + @weapon_rotation_offset + @weapon_recoil, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring
1797-      weapons\image @weapon_image, 0, 0, nil, @weapon_flashing and white!
1798-      weapons\pop!
1799-
1800:    -- Debug draw weapon hitbox
1801-    hitbox_x = @x + @weapon_hitbox_offset*math.cos(@angle)
1802-    hitbox_y = @y + @weapon_hitbox_offset*math.sin(@angle)
1803-    if debug_draw_enabled
1804-      debug_draw\push hitbox_x, hitbox_y, @angle
1805-      debug_draw\rectangle -@weapon_hitbox_length/2, -@weapon_hitbox_width/2, @weapon_hitbox_length, @weapon_hitbox_width, red!

Read (E:/a327ex/emoji-ball-battles/main.yue)

1805→      debug_draw\rectangle -@weapon_hitbox_length/2, -@weapon_hitbox_width/2, @weapon_hitbox_length, @weapon_hitbox_width, red!
  1806→      debug_draw\pop!
  1807→
  1808→    -- Indicator layout system (dead code — kept for future status effect stack system above ball)
  1809→    indicator_y = 18
  1810→    indicator_gap = 5
  1811→    for child in *@children
  1812→      if child\is('indicator') and child.visible

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Press F1 to toggle — you'll see a red line from the ball center pointing in the direction the weapon was facing when the accumulator last reset.

OK, now let's do the visual effect when the projectile is created. The weapon should flash + spring, and maybe some particles in the color of the projectile?

Here's what I'd add to lollipop_fire, right after the color index update:

    @\flash_weapon!
    @spring\pull 'weapon', 0.5, 3, 0.7
    @spring\pull 'hit', 0.2, 3, 0.5
    c = lollipop_colors[@lollipop_color_index]
    for i = 1, an.random\int 2, 4
      @parent.effects\add hit_particle spawn_x, spawn_y,
        velocity: an.random\float(50, 120)
        direction: an.random\angle!
        duration: an.random\float(0.2, 0.4)
        color: c
        gravity: 64
        flash_on_spawn: true

Looks right?

Let's try it.

Read (E:/a327ex/emoji-ball-battles/main.yue)

2093→      direction: @angle
  2094→      team: @team
  2095→      spiral_color: lollipop_colors[@lollipop_color_index]
  2096→      flash_on_spawn: true
  2097→
  2098→  flash_ball: (duration=0.15) =>
  2099→    @ball_flashing = true
  2100→    @timer\after duration, 'ball_flash', -> @ball_flashing = false
  2101→
  2102→  -- Squash ball on wall collision: horizontal wall squashes y, vertical wall squashes x
  2103→  squash: (normal_x, normal_y, amount=0.3) =>
  2104→    if math.abs(normal_y) > math.abs(normal_x)
  2105→      -- Horizontal wall (floor/ceiling): squash y, stretch x
  2106→      @spring\pull 'squash_x', amount, 3, 0.5
  2107→      @spring\pull 'squash_y', -amount*0.5, 3, 0.5
  2108→    else
  2109→      -- Vertical wall (left/right): squash x, stretch y
  2110→      @spring\pull 'squash_y', amount, 3, 0.5
  2111→      @spring\pull 'squash_x', -amount*0.5, 3, 0.5
  2112→

Read (E:/a327ex/emoji-ball-battles/main.yue)

2077→    spawn_x = @x + @weapon_hitbox_offset*math.cos(@angle)
  2078→    spawn_y = @y + @weapon_hitbox_offset*math.sin(@angle)
  2079→    margin = 30
  2080→    arena = @parent
  2081→    spawn_x > arena.x + margin and spawn_x < arena.x + arena.w - margin and
  2082→    spawn_y > arena.y + margin and spawn_y < arena.y + arena.h - margin
  2083→
  2084→  lollipop_fire: =>
  2085→    @lollipop_ready = false
  2086→    @lollipop_rotation_accumulator = 0
  2087→    @lollipop_reset_angle = @angle
  2088→    @lollipop_color_index = (@lollipop_color_index % 3) + 1
  2089→    spawn_x = @x + @weapon_hitbox_offset*math.cos(@angle)
  2090→    spawn_y = @y + @weapon_hitbox_offset*math.sin(@angle)
  2091→    @parent.projectiles\add projectile spawn_x, spawn_y,
  2092→      projectile_type: 'spiral'
  2093→      direction: @angle
  2094→      team: @team
  2095→      spiral_color: lollipop_colors[@lollipop_color_index]
  2096→      flash_on_spawn: true
  2097→
  2098→  flash_ball: (duration=0.15) =>

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done.

When bow/gun fire does the ball also have an effect on it?

Looking at fire_single_shot (gun) and fire_single_arrow (bow), both pull 'weapon' and 'hit' springs — same as what I added. The 'hit' spring scales the ball briefly (used in the draw code as hit_scale), and 'weapon' affects the weapon offset. Neither flashes the ball itself. So the lollipop matches them.

I added 3 new sounds, convert them to ogg, normalize them, and then play one of them at random when spawning a spiral projectile.

Let me find the new sound files first.

Bash (ls E:/a327ex/emoji-ball-battles/assets/ | grep -v ".ogg|.png|.ttf|.frag|...)

RPG3_PlasmaMagicBeam_Shoot01.wav
RPG3_PlasmaMagicBeam_Shoot02.wav
RPG3_PlasmaMagicBeam_Shoot03.wav

Bash (for i in 1 2 3; do ffmpeg -i "E:/a327ex/emoji-ball-battles/assets/RPG3_PlasmaM...)

      artist          : W.O.W SOUND
[out#0/ogg @ 00000255b9887780] video:0KiB audio:9KiB subtitle:0KiB other streams:0KiB global headers:4KiB muxing overhead: 52.769213%
size=      13KiB time=00:00:00.64 bitrate= 166.9kbits/s speed=10.4x elapsed=0:00:00.06    
      artist          : W.O.W SOUND
[out#0/ogg @ 000001d4a3067780] video:0KiB audio:7KiB subtitle:0KiB other streams:0KiB global headers:4KiB muxing overhead: 63.387755%
size=      12KiB time=00:00:00.83 bitrate= 114.7kbits/s speed=13.2x elapsed=0:00:00.06    
      artist          : W.O.W SOUND
[out#0/ogg @ 000001bf86637780] video:0KiB audio:7KiB subtitle:0KiB other streams:0KiB global headers:4KiB muxing overhead: 62.791644%
size=      12KiB time=00:00:00.66 bitrate= 144.1kbits/s speed=12.4x elapsed=0:00:00.05

Good. Now register the sounds and play one on spawn.

Grep (an\sound 'bow_draw)

201:an\sound 'bow_draw_1', 'assets/bow_string_drawing_fast_2.ogg'
202:an\sound 'bow_draw_2', 'assets/drawing_bow_backwards_6.ogg'
203:an\sound 'bow_draw_3', 'assets/drawing_bow_backwards_9.ogg'

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Grep (an\sound 'bow_draw_1')

200-an\sound 'dagger_swing_5', 'assets/dagger_swing_10.ogg'
201:an\sound 'bow_draw_1', 'assets/bow_string_drawing_fast_2.ogg'
202-an\sound 'bow_draw_2', 'assets/drawing_bow_backwards_6.ogg'

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Read (E:/a327ex/emoji-ball-battles/main.yue)

198→an\sound 'dagger_swing_3', 'assets/dagger_swing_8.ogg'
   199→an\sound 'dagger_swing_4', 'assets/dagger_swing_9.ogg'
   200→an\sound 'dagger_swing_5', 'assets/dagger_swing_10.ogg'
   201→an\sound 'bow_draw_1', 'assets/bow_string_drawing_fast_2.ogg'
   202→an\sound 'bow_draw_2', 'assets/drawing_bow_backwards_6.ogg'
   203→an\sound 'bow_draw_3', 'assets/drawing_bow_backwards_9.ogg'
   204→-- an\sound 'bow_release_3', 'assets/releasing_bow_string_8.ogg'
   205→an\sound 'sword_swing_1', 'assets/light_sword_swing_2.ogg'

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now add the sound call in lollipop_fire.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Converted and normalized the three wavs to ogg, registered them, and play one at random on each lollipop fire.

No, convert each sound to ogg individually with maximum quality. The normalization happens after by looking at the comment block where sounds are loaded.

Let me read the normalization comment block first.

Read (E:/a327ex/emoji-ball-battles/main.yue)

119→an\spritesheet 'hit1', 'assets/hit1.png', 96, 48
   120→
   121→-- Sounds
   122→--
   123→-- Volume normalization process:
   124→--   1. Convert WAV to OGG: ffmpeg -i "File Name.wav" -c:a libvorbis -q:a 10 file_name.ogg
   125→--   2. Measure mean volume: ffmpeg -i file.ogg -af volumedetect -f null /dev/null 2>&1 | grep mean_volume
   126→--   3. Calculate normalized volume: volume = 0.5 * 10^((-24 - mean_dB) / 20), capped at 1.0
   127→--      Baseline: -24 dB file plays at 0.5 volume. Quieter files get higher volume, louder files get lower.
   128→--
   129→-- Normalized volumes (baseline -24 dB, 0.5 base volume):
   130→--   ball_ball (suicchi_wo_osu): -16.7 dB → 0.22
   131→--   ball_wall: -21.2 dB → 0.36
   132→--   dagger_dagger: -16.5 dB → 0.22 (unused)
   133→--   dagger_wall: -24.1 dB → 0.5
   134→--   dagger_ball: -28.7 dB → 0.7
   135→--   gun_fire_1 (revolver_shot1): -24.7 dB → 0.54
   136→--   gun_fire_2 (revolver_shot2): -24.9 dB → 0.56
   137→--   gun_fire_3 (revolver_shot3): -23.3 dB → 0.46
   138→--   weapon_projectile_1 (metal_light_2): -30.0 dB → 1.0
   139→--   weapon_projectile_2 (metal_light_4): -30.5 dB → 1.0
   140→--   player_hit: -8.3 dB → 0.08
   141→--   player_death: -19.9 dB → 0.35
   142→--   grass_land_1/2/3: ~-45.5 dB → 1.0
   143→--   grass_impact_1/2/3: ~-29.5 dB → 0.5
   144→--   hop: -10.3 dB → 0.12
   145→--   concrete_1 (concrete_2): -31.7 dB → 0.8
   146→--   concrete_2 (concrete_5): -26.9 dB → 0.7
   147→--   concrete_3 (concrete_8): -28.9 dB → 0.8
   148→--   dagger_swing_1: -32.8 dB → 1.0
... [50 more lines]

Now I understand the process. First delete the incorrectly converted files, then redo them properly.

Bash (rm E:/a327ex/emoji-ball-battles/assets/lollipop_shoot_{1,2,3}.ogg for i in 1 2 3...)

size=      36KiB time=00:00:00.64 bitrate= 454.8kbits/s speed=24.7x elapsed=0:00:00.02    
size=      31KiB time=00:00:00.83 bitrate= 298.6kbits/s speed=35.6x elapsed=0:00:00.02    
size=      33KiB time=00:00:00.66 bitrate= 400.1kbits/s speed=28.3x elapsed=0:00:00.02

Bash (for i in 1 2 3; do echo -n "lollipop_shoot_${i}: " ffmpeg -i "E:/a327ex/emoj...)

lollipop_shoot_1: [Parsed_volumedetect_0 @ 0000024ffbd16800] mean_volume: -20.7 dB
lollipop_shoot_2: [Parsed_volumedetect_0 @ 000001e1b4096800] mean_volume: -21.9 dB
lollipop_shoot_3: [Parsed_volumedetect_0 @ 000001c161276800] mean_volume: -21.6 dB

Now calculate the normalized volumes using the formula 0.5 * 10^((-24 - mean_dB) / 20):

Now update the comment block and the sound_play call.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now update the sound_play call to use the average volume (~0.37).

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Converted at max quality (-q:a 10), measured mean volumes, calculated normalized values, added to the comment block, and updated the sound_play call with the averaged volume.

25% higher.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. 0.37 × 1.25 ≈ 0.46.

OK, now let's do the weapon UI. Do it however you think is best and I'll adjust later.

Let me re-read the weapon_ui to understand all the places that need updating.

Read (E:/a327ex/emoji-ball-battles/main.yue)

2240→
  2241→    -- Draw filled heart with stencil test (only visible where mask was drawn)
  2242→    cover\stencil_test!
  2243→    cover\push @x, @y + @heart_oy, @spring.rotation.x, @heart_scale * @spring.heart.x, @heart_scale * @spring.heart.x
  2244→    cover\image an.images.heart, 0, 0, nil, @flashing and white!
  2245→    cover\pop!
  2246→
  2247→    cover\stencil_off!
  2248→
  2249→    -- Text on effects (centered on heart)
  2250→    text_string = tostring(@hp)
  2251→    text_w = an.fonts.lana\text_width text_string
  2252→    text_h = an.fonts.lana.height
  2253→    effects\push @x, @y + @text_oy, @spring.rotation.x, @spring.text.x, @spring.text.x
  2254→    effects\text text_string, 'lana', -text_w/2 + 0.5, -text_h/2, white!
  2255→    effects\pop!
  2256→
  2257→  refresh: (new_hp) =>
  2258→    @hp = new_hp
  2259→    @flashing = true
  2260→    @timer\after 0.1, 'flash', -> @flashing = false
  2261→
  2262→    -- Heart bounce and flash
  2263→    @heart_oy = -3
  2264→    @timer\tween 0.5, @, {heart_oy: 0}, math.cubic_out, nil, 'heart_oy'
  2265→    @spring\pull 'heart', 0.3, 3, 0.7
  2266→    @spring\pull 'rotation', an.random\float(-0.3, 0.3), 3, 0.5
  2267→    -- Text bounce (slightly delayed)
  2268→    @timer\after 0.04, ->
  2269→      @text_oy = -3
... [70 more lines]

Read (E:/a327ex/emoji-ball-battles/main.yue)

2395→      weapons\pop!
  2396→      -- Draw arrow on top of string and bow
  2397→      if my_ball.bow_arrow_alpha > 0
  2398→        arrow_x = (top_wx + bot_wx)/2 - (pull - 6.5*sr)*cos_a
  2399→        arrow_y = (top_wy + bot_wy)/2 - (pull - 6.5*sr)*sin_a
  2400→        weapons\push arrow_x, arrow_y, base_angle + 3*math.pi/4, @weapon_scale, @weapon_scale
  2401→        weapons\image an.images.arrow, 0, 0, nil, weapon_flashing and white!
  2402→        weapons\pop!
  2403→    else
  2404→      weapons\push @weapon_x + weapon_t.x, @weapon_y + weapon_t.y, weapon_t.rotation + weapon_recoil + @spring.weapon_rotation.x, @weapon_flip_x*@weapon_scale*weapon_spring, @weapon_scale*weapon_spring
  2405→      weapons\image @weapon_image, 0, 0, nil, weapon_flashing and white!
  2406→      weapons\pop!
  2407→
  2408→    -- Draw stat board
  2409→    -- front\push @center_x + board_t.x, @board_y + board_t.y, board_t.rotation, @board_scale, @board_scale
  2410→    -- front\image an.images.blue_board, 0, 0
  2411→    -- front\pop!
  2412→
  2413→    -- Draw stat text (labels left-aligned, values right-aligned)
  2414→    effects\push @text_x + board_t.x, @text_y + @text_oy + board_t.y, board_t.rotation + @spring.text_rotation.x, @spring.text_scale.x, @spring.text_scale.x
  2415→    left_x = -45
  2416→    right_x = 55
  2417→    if @weapon_type == 'gun'
  2418→      cooldown = math.max(my_ball.minimum_cooldown, my_ball.base_cooldown - my_ball.hits_landed * my_ball.cooldown_reduction_per_hit)
  2419→      attacks_per_second = 1/cooldown
  2420→      burst_chance = math.floor(math.min(my_ball.hits_landed*my_ball.burstfire_chance_increase_per_hit*100, 50))
  2421→      -- Row 1
  2422→      effects\text "ATTACKS/S", 'lana', left_x, -6, white!
  2423→      value1 = string.format("%.2f", attacks_per_second)
  2424→      effects\text value1, 'lana', right_x - an.fonts.lana\text_width(value1), -6, white!
... [70 more lines]

Two places to update: the weapon image selection and the stat text block.

Image selection — lollipop falls into the else (dagger) currently since it's not gun/sword/bow. I'll add it explicitly.

Stat — I'll show SPIRALS/SPAWN like bow shows ARROWS/SHOT. For the shoot! call in lollipop_fire, I'll add @weapon_ui\shoot! to get the boom particle effect on the UI weapon icon.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now add @weapon_ui\shoot! to lollipop_fire.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. Three changes:

  1. Lollipop image shown in the UI weapon icon
  2. SPIRALS/SPAWN stat showing spirals_per_spawn
  3. shoot! called on fire for the boom particle effect on the UI icon

The text should be ROTATIONS/S the same as dagger. That's what we'll scale on the lollipop.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done.

The firing effect for weapon UI is the gun's, it should be the particles that get used to spawn the projectile.

The shoot! method spawns boom emoji particles — that's gun-specific. Instead, I'll remove @weapon_ui\shoot! and spawn colored hit particles directly at the UI weapon icon position.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. The color c is already set just before this block so it'll use the correct projectile color.

Except this code is different than the other particle code.

Let me read the current lollipop_fire to see exactly what's there.

Read (E:/a327ex/emoji-ball-battles/main.yue)

2097→    an\sound_play "lollipop_shoot_#{an.random\int(1, 3)}", 0.46, an.random\float(0.95, 1.05)
  2098→    if @weapon_ui
  2099→      for i = 1, an.random\int 2, 4
  2100→        @parent.effects\add hit_particle @weapon_ui.weapon_x, @weapon_ui.weapon_y,
  2101→          velocity: an.random\float(50, 120)
  2102→          direction: an.random\angle!
  2103→          duration: an.random\float(0.2, 0.4)
  2104→          color: c
  2105→          gravity: 64
  2106→          flash_on_spawn: true
  2107→    @\flash_weapon!
  2108→    @spring\pull 'weapon', 0.5, 3, 0.7
  2109→    @spring\pull 'hit', 0.2, 3, 0.5
  2110→    c = lollipop_colors[@lollipop_color_index]
  2111→    for i = 1, an.random\int 2, 4
  2112→      @parent.effects\add hit_particle spawn_x, spawn_y,
  2113→        velocity: an.random\float(100, 150)
  2114→        direction: an.random\angle!
  2115→        duration: an.random\float(0.4, 0.6)
  2116→        color: c
  2117→        gravity: 64
  2118→        flash_on_spawn: true
  2119→    @parent.projectiles\add projectile spawn_x, spawn_y,
  2120→      projectile_type: 'spiral'
  2121→      direction: @angle
  2122→      team: @team
  2123→      spiral_color: lollipop_colors[@lollipop_color_index]
  2124→      flash_on_spawn: true
  2125→
  2126→  flash_ball: (duration=0.15) =>
... [5 more lines]

I see two issues: c is used before it's defined (line 2104 before 2110), and the particle parameters differ between the UI and game-world blocks. The UI code should also follow the weapon_ui pattern — a method like shoot!. I'll add lollipop_shoot!(c) to weapon_ui and fix the ordering.

In weapon_ui, after shoot:: yuescript lollipop_shoot: (c) => my_arena = @parent.parent for i = 1, an.random\int 2, 4 my_arena.effects\add hit_particle @weapon_x, @weapon_y, velocity: an.random\float(100, 150) direction: an.random\angle! duration: an.random\float(0.4, 0.6) color: c gravity: 64 flash_on_spawn: true

In lollipop_fire — move c up and replace the inline block with the method call: yuescript @lollipop_color_index = (@lollipop_color_index % 3) + 1 c = lollipop_colors[@lollipop_color_index] ... @weapon_ui\lollipop_shoot! c if @weapon_ui

Shall I make these changes?

Should be nmamed lollipop_shoot_effect

Read (E:/a327ex/emoji-ball-battles/main.yue)

2537→-- angle_mode: nil = spin randomly, 'forward' = face velocity, 'backward' = face opposite, number = fixed angle
  2538→class emoji_particle extends object
  2539→  new: (@x, @y, @image, args={}) =>
  2540→    super!
  2541→    @scale = args.scale or 1
  2542→    @velocity = args.velocity or an.random\float(75, 150)
  2543→    @direction = args.direction or an.random\angle!
  2544→    @duration = args.duration or an.random\float(0.4, 0.6)
  2545→    @scale = 14*@scale/@image.width
  2546→    @gravity_velocity = 0
  2547→    @gravity = args.gravity or 0
  2548→    @angle_mode = args.angle_mode -- nil, 'forward', 'backward', or number
  2549→    @rotation = if type(@angle_mode) == 'number' then @angle_mode else an.random\angle!
  2550→    @rotation_speed = args.rotation_speed or an.random\float(-2*math.pi, 2*math.pi)
  2551→    @rotation_speed = 0 if @angle_mode
  2552→
  2553→    @\add timer!
  2554→    @\add spring!
  2555→    @timer\tween @duration, @, {velocity: 0, scale: 0}, math.linear, -> @\kill!
  2556→

Grep ( reflect: =>)

2496:  reflect: =>

Read (E:/a327ex/emoji-ball-battles/main.yue)

2480→
  2481→  shoot: =>
  2482→    -- Spawn boom emoji particles
  2483→    my_arena = @parent.parent
  2484→    ox = if @team == 'player' then 8 else -8
  2485→    dir_base = if @team == 'player' then -math.pi/4 else math.pi
  2486→    for i = 1, an.random\int 1, 2
  2487→      my_arena.effects\add emoji_particle @weapon_x + ox, @weapon_y - 4, an.images.boom,
  2488→        velocity: an.random\float(75, 125)
  2489→        direction: an.random\float(dir_base, dir_base + math.pi/4)
  2490→        scale: an.random\float(1.4, 1.6)
  2491→        duration: an.random\float(0.3, 0.5)
  2492→        flash_on_spawn: 0.25
  2493→        gravity: an.random\float(128, 156)
  2494→        rotation_speed: an.random\float(2*math.pi, 4*math.pi)
  2495→
  2496→  reflect: =>
  2497→    -- Spawn hit effect and wobble rotation
  2498→    my_arena = @parent.parent
  2499→    my_arena.effects\add hit_effect @weapon_x - an.random\float(0, 12), @weapon_y + an.random\float(0, 12), {scale: an.random\float(1.0, 1.25)}
  2500→    @spring\pull 'weapon_rotation', an.random\float(-0.6, 0.6), 3, 0.5
  2501→
  2502→  landed_hit: =>
  2503→    -- Text bounce when landing a hit
  2504→    @text_oy = -3

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Now fix lollipop_fire — move c up, remove the inline UI block, replace with method call.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done. c is now defined before it's used, the inline UI block is replaced with @weapon_ui\lollipop_shoot_effect! c, and the method on weapon_ui matches the game-world particle parameters exactly.

Not sure what you did here, but I thought you were just changing the particles. The particles need to appear on the weapon itself, and also on the weapon UI. What are you doing?

Let me read the current state of lollipop_fire.

This session is being continued from a previous conversation that ran out of context. The summary below covers the earlier portion of the conversation.

Analysis: Let me chronologically analyze this conversation about implementing the lollipop weapon in emoji-ball-battles.

Session Start: - User wants to implement the lollipop weapon in emoji-ball-battles - They reference ATTACK_REFERENCE.md for design specs - First action: check if ATTACK_REFERENCE.md is synced to anchor.blot.im blog

File Sync: - ATTACK_REFERENCE.md was NOT in anchor.blot.im - Copied it to anchor.blot.im/context/ATTACK_REFERENCE.md

Design Discussion: - Lollipop: S13 Spiral Projectile, B8 Periodic, T3 Timer, V7 +Active spirals - Colors: (255,204,77), (244,144,72), (221,46,68) cycling sequentially - Projectiles spiral outward from spawn point (not following ball) - Key design decisions resolved via AskUserQuestion: - Walls kill, parry works but changes spiral direction (no physics), still spiral - Has hitbox but doesn't deal damage (like bow/gun - 'ranged') - 1 projectile per spawn initially - Timer interval TBD (tweakable) - Projectile size: same as gun (15x8 rounded rectangle) - No lifetime - Has lollipop.png asset - Damage: 1 per hit - Scaling: same as bow (+1 per hit landed) - initially, may be OP

Step 1: Image registration and color constants - Added lollipop_colors = {color(255, 204, 77), color(244, 144, 72), color(221, 46, 68)} after bowstring color - Added debug_draw_enabled = false global toggle - Added an\image 'lollipop', 'assets/lollipop.png' after arrow image

Step 2: Weapon setup in ball constructor - Added elseif @weapon_type == 'lollipop' block after dagger block - Key properties: weapon_class = 'ranged', weapon_scale = -18/512 (negative like bow), weapon_scale_y = 18/512, weapon_rotation_offset = math.pi/4 (like bow), hitbox 16x16 square - lollipop-specific: spirals_per_spawn=1, lollipop_cooldown=3.0, lollipop_color_index=0 - Added F1 key toggle for debug_draw_enabled - Added lollipop weapon drawing (same pattern as dagger/gun single push/pop) - Changed debug draw hitbox to be conditional on debug_draw_enabled - Changed default player weapon to 'lollipop' - Added 'k' key to kill enemy ball - Added 't' key to spawn test spiral projectile - User adjusted sizes/offsets manually after seeing result

Step 3: spiral_projectile implementation - Added to existing projectile class (user's direction - don't create new class) - User's key insight: use speed + angle approach, set velocity directly each frame - Speed ramps from 0 to target via lerp_dt - Angle increments by turn_rate each frame - Constructor: projectile_type = 'spiral', 15x8 box, no gravity, no impulse, spiral_turn_rate, spiral_color, spiral_angle, spiral_speed=0, spiral_target_speed, spiral_time=0 - Update: increment spiral_time, lerp speed toward target, increment angle by turn_rate*dt, set velocity - Drawing: rounded rectangle with spiral_color - Hit/wall: kill on contact

Spiral turn rate decrease: - User wanted decrease rate that also decreases - Solution: exponential-like formula using clamp - Formula: @spiral_turn_rate -= @spiral_turn_decrease_rate*math.clamp((5 - @spiral_time)/1, 0, 1)*dt - Full decrease for first 4 seconds, tapers to 0 between seconds 4-5 - User conversation about lerp being linear vs exponential - Claude explained lerp_dt IS exponential (moves percentage of remaining distance), user pushed back. Claude offered explicit exponential alternative.

Physics: spiral_projectile tag system - New tag spiral_projectile - only physically collides with walls - New tag spiral_weapon_sensor - sensor for weapon parry detection - projectile_sensor already handles ball detection - Issue: physics_sensor 'spiral_projectile', 'weapon' still caused physical collision because engine combines collision_mask | sensor_mask into maskBits, and non-sensor shapes always physically collide - Fix: separate sensor shape spiral_weapon_sensor added to spiral projectile body - Arena handlers: - collision_begin_events 'spiral_projectile', 'wall' → kill with effects - sensor_begin_events 'spiral_weapon_sensor', 'weapon' → parry (flip team, reverse turn_rate)

Spawn position: - Projectile spawns from lollipop center (weapon_hitbox_offset position), not ball center

Melee vs ranged parry: - Melee weapons DESTROY spiral projectiles (flash+spring on weapon, wall-death particles, sound) - Ranged weapons PARRY spiral projectiles (reverse turn_rate, flip team) - Sound: weapon_projectile_#{1,2} at pitch 0.6-0.7 for melee kill

Visual effects on wall hit: - No intensity calculation (fixed speed so intensity always low) - Fixed radius=10, fixed velocity range for particles - Uses spiral_color for particles

Auto-attack timer: - Rotation-based (not time-based): fires once per full rotation (2π accumulated) - @lollipop_rotation_accumulator tracks accumulated angular_speed*dt - @lollipop_ready set when accumulator >= 2π - Fires when ready AND lollipop_can_fire (spawn point not too close to walls - margin=30) - Accumulator RESETS on: weapon-weapon collision, projectile-weapon parry, successful fire - @lollipop_reset_angle tracks angle at last reset for debug visualization (red line from ball)

Spawn restriction: - lollipop_can_fire checks spawn point is >30px from all walls

Visual effects on spawn: - flash_weapon, spring pull on weapon and hit - Colored hit particles at spawn position - Sound: lollipop_shoot_1/2/3

Sound files: - 3 WAV files: RPG3_PlasmaMagicBeam_Shoot01/02/03.wav - Convert to ogg with max quality: ffmpeg -i input.wav -c:a libvorbis -q:a 10 output.ogg - First attempt used loudnorm normalization (WRONG - user corrected) - Second attempt: max quality only, then measure and calculate normalized volume - Volumes: shoot_1: -20.7dB→0.34, shoot_2: -21.9dB→0.39, shoot_3: -21.6dB→0.38 - Average ~0.37, user requested 25% higher → 0.46 - Registered as lollipop_shoot_1/2/3 in sounds section

Weapon UI: - weapon_image: added lollipop to image selection chain - stat text: initially SPIRALS/SPAWN but user changed to ROTATIONS/S (same as dagger) since that's what scales - shoot effect: initially used shoot! (gun boom particles - wrong) - User: "The firing effect for weapon UI is the gun's, it should be the particles that get used to spawn the projectile" - Created lollipop_shoot_effect(c) method on weapon_ui - Called from lollipop_fire: @weapon_ui\lollipop_shoot_effect! c if @weapon_ui - Parameters match game-world particles: velocity 100-150, duration 0.4-0.6, same color

Current state - where we left off: The user was reviewing the current lollipop_fire code and said "Not sure what you did here, but I thought you were just changing the particles. The particles need to appear on the weapon itself, and also on the weapon UI." This suggests the user wants: 1. Particles at the weapon position in game world (spawn_x, spawn_y) ✓ (already there) 2. Particles at the weapon UI icon position ✓ (lollipop_shoot_effect does this)

Looking at current lollipop_fire code - everything seems to be in place. The user's confusion might be about the structure. The current code IS doing both - game-world particles at spawn_x/spawn_y AND UI particles via lollipop_shoot_effect. The user may just be confirming what they want is correct.

The last user message was "Not sure what you did here, but I thought you were just changing the particles. The particles need to appear on the weapon itself, and also on the weapon UI. What are you doing?" - this was in response to my summary of changes before implementing, and the conversation was cut off before implementation.

Key code style notes from MEMORY.md: - * and /: no spaces (e.g., a*b, x/y) - + and -: spaces (e.g., a + b, x - y)

Important errors/corrections: 1. Used loudnorm normalization in ffmpeg (wrong) - user corrected to use -q:a 10 only 2. Used event.point_x/y for sensor events (nil) - fixed to use projectile_object.x/y 3. physics_sensor 'spiral_projectile', 'weapon' still caused physical collision - fixed with separate sensor shape 4. c was used before defined in lollipop_fire - fixed by moving definition up 5. UI particle parameters differed from game-world particles - fixed by creating lollipop_shoot_effect method with matching params 6. shoot! method was gun-specific (boom particles) - replaced with lollipop_shoot_effect 7. Stat text SPIRALS/SPAWN changed to ROTATIONS/S per user request

Pending: - The user's last message suggests confusion about what the changes do - need to clarify/confirm that both game-world and UI particles are present

Summary: 1. Primary Request and Intent: Implementing the lollipop weapon in emoji-ball-battles (a game built on the Anchor engine using YueScript). The lollipop periodically spawns spiral projectiles that expand outward from where they were spawned. Key specs: 3 cycling colors (255,204,77), (244,144,72), (221,46,68); projectiles physically ignore balls and weapons; walls kill them; ranged weapons parry (reverse spiral direction, flip team); melee weapons destroy them. Fires once per full rotation of the ball. Spawn restricted to positions >30px from walls. Scaling same as bow (currently shown as ROTATIONS/S in UI).

  1. Key Technical Concepts:

    • YueScript (MoonScript variant) codebase for emoji-ball-battles
    • Anchor engine physics using Box2D — physics tags, collision masks, sensor masks
    • Physics tags: spiral_projectile (wall collision only), spiral_weapon_sensor (sensor for weapon parry), projectile_sensor (ball damage sensor)
    • Engine detail: maskBits = collision_mask | sensor_mask — means a non-sensor shape registered with physics_sensor STILL physically collides; requires a separate sensor shape to avoid physical interaction
    • Spiral movement: tracked spiral_angle and spiral_speed, set velocity directly each frame (not physics-driven), speed ramps from 0 via math.lerp_dt
    • Spiral turn rate: decreases linearly for 4s then tapers to 0 over 1s via math.clamp((5 - @spiral_time)/1, 0, 1)
    • Rotation-based auto-attack: accumulates angular_speed*dt, fires at 2π, resets on hits/parries
    • Sound normalization: volume = 0.5 * 10^((-24 - mean_dB) / 20), baseline -24dB at 0.5 volume
    • debug_draw_enabled global toggle via F1 key
    • Operator spacing: *// no spaces, +/- with spaces
  2. Files and Code Sections:

    • E:/a327ex/emoji-ball-battles/main.yue (primary file, all changes here)
      • Color constants (line ~28): yuescript bowstring = color 217, 158, 130 lollipop_colors = {color(255, 204, 77), color(244, 144, 72), color(221, 46, 68)} debug_draw_enabled = false
      • Image registration (line ~88): yuescript an\image 'lollipop', 'assets/lollipop.png'
      • Sound registration (after dagger_swing_5): yuescript an\sound 'lollipop_shoot_1', 'assets/lollipop_shoot_1.ogg' an\sound 'lollipop_shoot_2', 'assets/lollipop_shoot_2.ogg' an\sound 'lollipop_shoot_3', 'assets/lollipop_shoot_3.ogg'
      • Sound normalization comment block (updated): -- lollipop_shoot_1 (RPG3_PlasmaMagicBeam_Shoot01): -20.7 dB → 0.34 -- lollipop_shoot_2 (RPG3_PlasmaMagicBeam_Shoot02): -21.9 dB → 0.39 -- lollipop_shoot_3 (RPG3_PlasmaMagicBeam_Shoot03): -21.6 dB → 0.38
      • Physics tags (after existing projectile_sensor): yuescript an\physics_tag 'spiral_projectile' an\physics_collision 'spiral_projectile', 'wall' an\physics_tag 'spiral_weapon_sensor' an\physics_sensor 'spiral_weapon_sensor', 'weapon'
      • Arena early_update debug keys: yuescript if an\key_is_pressed('f1') debug_draw_enabled = not debug_draw_enabled if an\key_is_pressed('k') and @enemy_ball and @enemy_ball.parent @enemy_ball\kill! if an\key_is_pressed('t') b = @player_ball spawn_x = b.x + b.weapon_hitbox_offset*math.cos(b.angle) spawn_y = b.y + b.weapon_hitbox_offset*math.sin(b.angle) @projectiles\add projectile spawn_x, spawn_y, projectile_type: 'spiral' direction: b.angle team: b.team spiral_color: lollipop_colors[1] flash_on_spawn: true
      • Weapon-weapon collision handler addition: yuescript if ball_a.weapon_type == 'lollipop' ball_a.lollipop_rotation_accumulator = 0 ball_a.lollipop_reset_angle = ball_a.angle if ball_b.weapon_type == 'lollipop' ball_b.lollipop_rotation_accumulator = 0 ball_b.lollipop_reset_angle = ball_b.angle
      • Projectile-weapon parry handler addition: yuescript if ball_object.weapon_type == 'lollipop' ball_object.lollipop_rotation_accumulator = 0 ball_object.lollipop_reset_angle = ball_object.angle
      • Spiral wall collision handler: yuescript for event in *an\collision_begin_events 'spiral_projectile', 'wall' projectile_object = event.a projectile_object\hit 1, 'wall', event.normal_x, event.normal_y an\sound_play "concrete_#{an.random\int(1, 3)}", 0.7, an.random\float(0.95, 1.05) normal_angle = math.angle event.normal_x, event.normal_y @effects\add hit_circle event.point_x, event.point_y, {radius: 10, duration: an.random\float(0.15, 0.3), color: projectile_object.spiral_color, flash_on_spawn: true} for i = 1, an.random\int 1, 3 @effects\add hit_particle event.point_x, event.point_y, velocity: an.random\float(100, 200) direction: normal_angle + math.pi + an.random\float(-math.pi/3, math.pi/3) duration: an.random\float(0.3, 0.5) color: projectile_object.spiral_color gravity: 256 flash_on_spawn: true
      • Spiral weapon sensor handler: yuescript for event in *an\sensor_begin_events 'spiral_weapon_sensor', 'weapon' projectile_object = event.a ball_object = event.b continue if ball_object.team == projectile_object.team if ball_object.weapon_class == 'melee' ball_object\flash_weapon! ball_object.spring\pull 'weapon', 0.35, 3, 0.5 an\sound_play "weapon_projectile_#{an.random\int(1, 2)}", 1.0, an.random\float(0.6, 0.7) @effects\add hit_circle projectile_object.x, projectile_object.y, {radius: 10, duration: an.random\float(0.15, 0.3), color: projectile_object.spiral_color, flash_on_spawn: true} for i = 1, an.random\int 1, 3 @effects\add hit_particle projectile_object.x, projectile_object.y, velocity: an.random\float(100, 200) direction: an.random\angle! duration: an.random\float(0.3, 0.5) color: projectile_object.spiral_color gravity: 256 flash_on_spawn: true projectile_object\kill! continue projectile_object.team = ball_object.team projectile_object.spiral_turn_rate = -projectile_object.spiral_turn_rate projectile_object\hit 0.5, 'weapon' @\hit_effect projectile_object.x, projectile_object.y
      • Ball constructor — lollipop weapon setup: yuescript elseif @weapon_type == 'lollipop' @weapon_class = 'ranged' @weapon_image = an.images.lollipop @weapon_visual_offset = 20 -- user adjusted manually @weapon_perpendicular_offset = 0 @weapon_hitbox_offset = 20 -- user adjusted manually @weapon_hitbox_length = 16 -- user adjusted manually @weapon_hitbox_width = 16 @weapon_scale = -18/512 @weapon_scale_y = 18/512 @weapon_rotation_offset = math.pi/4 @base_angular_velocity = 1.5*math.pi @max_angular_velocity = 3*math.pi @weapon_weight = 1.0 @hit_stop_multiplier = 1.0 @hit_particle_multiplier = 1.0 @camera_shake_multiplier = 1.0 @spirals_per_spawn = 1 @lollipop_cooldown = 3.0 @lollipop_color_index = 0
      • Ball constructor — auto-attack setup: yuescript elseif @weapon_type == 'lollipop' @lollipop_ready = false @lollipop_rotation_accumulator = 0 @lollipop_reset_angle = 0
      • Ball update — lollipop weapon-specific logic: yuescript elseif @weapon_type == 'lollipop' if not @lollipop_ready @lollipop_rotation_accumulator += angular_speed*dt if @lollipop_rotation_accumulator >= 2*math.pi @lollipop_ready = true elseif @\lollipop_can_fire! @\lollipop_fire!
      • Debug draw addition: yuescript if debug_draw_enabled and @weapon_type == 'lollipop' len = 30 debug_draw\line @x, @y, @x + len*math.cos(@lollipop_reset_angle), @y + len*math.sin(@lollipop_reset_angle), 2, red!
      • Ball methods — lollipop_can_fire and lollipop_fire: ```yuescript lollipop_can_fire: => spawn_x = @x + @weapon_hitbox_offsetmath.cos(@angle) spawn_y = @y + @weapon_hitbox_offsetmath.sin(@angle) margin = 30 arena = @parent spawn_x > arena.x + margin and spawn_x < arena.x + arena.w - margin and spawn_y > arena.y + margin and spawn_y < arena.y + arena.h - margin

        lollipop_fire: => @lollipop_ready = false @lollipop_rotation_accumulator = 0 @lollipop_reset_angle = @angle @lollipop_color_index = (@lollipop_color_index % 3) + 1 spawn_x = @x + @weapon_hitbox_offsetmath.cos(@angle) spawn_y = @y + @weapon_hitbox_offsetmath.sin(@angle) c = lollipop_colors[@lollipop_color_index] an\sound_play "lollipop_shoot_#{an.random\int(1, 3)}", 0.46, an.random\float(0.95, 1.05) @weapon_ui\lollipop_shoot_effect! c if @weapon_ui @\flash_weapon! @spring\pull 'weapon', 0.5, 3, 0.7 @spring\pull 'hit', 0.2, 3, 0.5 for i = 1, an.random\int 2, 4 @parent.effects\add hit_particle spawn_x, spawn_y, velocity: an.random\float(100, 150) direction: an.random\angle! duration: an.random\float(0.4, 0.6) color: c gravity: 64 flash_on_spawn: true @parent.projectiles\add projectile spawn_x, spawn_y, projectile_type: 'spiral' direction: @angle team: @team spiral_color: lollipop_colors[@lollipop_color_index] flash_on_spawn: true ```

      • projectile class — spiral constructor section: yuescript elseif @projectile_type == 'spiral' @w = 15 @h = 8 @spiral_turn_rate = args.spiral_turn_rate or 12 @spiral_turn_decrease_rate = 2 @spiral_color = args.spiral_color or lollipop_colors[1] @spiral_angle = args.direction or 0 @spiral_speed = 0 @spiral_target_speed = args.velocity or 200 @spiral_time = 0 @\add collider 'spiral_projectile', 'dynamic', 'box', @w, @h @collider\set_position @x, @y @collider\set_restitution 0 @collider\set_friction 0 @collider\set_gravity_scale 0 @collider\set_density 0.4 -- after collider setup: if @projectile_type == 'spiral' @weapon_sensor = @collider\add_box 'spiral_weapon_sensor', @w, @h, {sensor: true} @collider\set_density 0, @weapon_sensor
      • projectile class — spiral update: yuescript if @projectile_type == 'spiral' @spiral_time += dt @spiral_speed = math.lerp_dt 0.9, 1, dt, @spiral_speed, @spiral_target_speed @spiral_turn_rate -= @spiral_turn_decrease_rate*math.clamp((5 - @spiral_time)/1, 0, 1)*dt @spiral_angle += @spiral_turn_rate*dt @collider\set_velocity @spiral_speed*math.cos(@spiral_angle), @spiral_speed*math.sin(@spiral_angle)
      • projectile class — spiral drawing: yuescript elseif @projectile_type == 'spiral' game\push @x, @y, @angle, scale, scale game\rounded_rectangle -@w/2, -@h/2, @w, @h, @h/2, if @flashing then white! else @spiral_color! game\pop!
      • projectile class — hit method wall case: yuescript elseif @projectile_type == 'spiral' @\kill!
      • projectile class — hit method weapon case: yuescript when 'weapon' if @projectile_type != 'arrow' and @projectile_type != 'spiral' @bounces -= 1 if @bounces < 0 @\kill!
      • weapon_ui — image selection: yuescript @weapon_image = if weapon_type == 'gun' then an.images.gun elseif weapon_type == 'sword' then an.images.sword elseif weapon_type == 'bow' then an.images.bow elseif weapon_type == 'lollipop' then an.images.lollipop else an.images.dagger
      • weapon_ui — stat text: yuescript elseif @weapon_type == 'lollipop' rotations_per_second = my_ball.base_angular_velocity/(2*math.pi) effects\text "ROTATIONS/S", 'lana', left_x, 0, white! value1 = string.format("%.2f", rotations_per_second) effects\text value1, 'lana', right_x - an.fonts.lana\text_width(value1), 0, white!
      • weapon_ui — lollipop_shoot_effect method: yuescript lollipop_shoot_effect: (c) => my_arena = @parent.parent for i = 1, an.random\int 2, 4 my_arena.effects\add hit_particle @weapon_x, @weapon_y, velocity: an.random\float(100, 150) direction: an.random\angle! duration: an.random\float(0.4, 0.6) color: c gravity: 64 flash_on_spawn: true
    • E:/a327ex/anchor.blot.im/context/ATTACK_REFERENCE.md — copied from emoji-ball-battles/docs/
    • E:/a327ex/emoji-ball-battles/assets/lollipop_shoot_1/2/3.ogg — created from WAV files
  3. Errors and fixes:

    • Sound conversion used loudnorm normalization (wrong): User corrected — should be max quality only (-c:a libvorbis -q:a 10), then measure and calculate normalized volume separately per the comment block formula. Deleted bad files and reconverted.
    • event.point_x/y nil for sensor events: Sensor events don't carry contact point coordinates. Fixed by using projectile_object.x, projectile_object.y instead in the spiral weapon sensor handler's hit_effect call.
    • physics_sensor 'spiral_projectile', 'weapon' still caused physical collision: Engine combines collision_mask | sensor_mask into maskBits; non-sensor shapes always physically collide regardless of sensor registration. Fixed by adding a separate spiral_weapon_sensor sensor shape to the spiral projectile body.
    • c used before defined in lollipop_fire: The UI particle block used c but it was defined after it. Fixed by moving c = lollipop_colors[@lollipop_color_index] to the top of lollipop_fire.
    • UI particles used shoot! (gun boom particles): User said "The firing effect for weapon UI is the gun's, it should be the particles that get used to spawn the projectile." Fixed by removing @weapon_ui\shoot! and creating lollipop_shoot_effect(c) method on weapon_ui.
    • UI particle parameters differed from game-world particles: Initial UI inline block used velocity 50-120 and duration 0.2-0.4 vs game-world's 100-150 and 0.4-0.6. Fixed in lollipop_shoot_effect to match game-world params exactly.
    • Stat text was SPIRALS/SPAWN: User changed to ROTATIONS/S — "that's what we'll scale on the lollipop."
    • Grammar: User pointed out "Look right?" should be "Looks right?" — Claude acknowledged and corrected going forward.
  4. Problem Solving:

    • Spiral physics not interacting with weapons physically: Solved with two-tag approach: main spiral_projectile tag (wall collision only) + spiral_weapon_sensor tag (sensor shape for weapon parry detection)
    • Spiral movement: Solved with direct velocity setting each frame from tracked angle+speed, no physics impulse
    • Turn rate deceleration: Solved with math.clamp((5 - @spiral_time)/1, 0, 1) multiplier — full decrease 4s, tapers to 0 by second 5
    • Rotation-based firing: lollipop_rotation_accumulator += angular_speed*dt, fires at 2π; resets on weapon hits/parries
  5. All user messages:

    • "Let's keep working on Emoji Ball Battles. @emoji-ball-battles\docs\ATTACK_REFERENCE.md contains the current design ideas. Actually, first, can you check if this file has been synced properly to anchor.blot.im?"
    • "OK then copy it there to context/"
    • "Now, let's implement the lollipop. Projectile colors = 255, 204, 77; 244, 144, 72; 221, 46, 68. Projectiles spawned by the lollipop will alter sequentially between these colors, so 1 projectile is the first, the next is the other, and so on. Everything also about the behavior of the lollipop will be the same. Periodically spawns projectiles that spiral outwards. For starters let's not make the projectiles follow the lollipop, they spawn and they spiral outwards from where they spawned. Anything also about the design that I missed?"
    • [AskUserQuestion answers]: Walls kill/parry changes spiral direction; has hitbox but ranged (no contact damage); 1 projectile per spawn; "Doesn't matter, will tweak later. Do not start implementation, do not enter plan mode."
    • "3. Same as gun. 4. No lifetime for now. 5. Have it. 6. Yes. Scaling: let's try the same as the bow at first, where it just shoots various proejctiles in progression. I suspect this will be way too OP, but let's try it. You can start implementation, but do 1 step at a time, I don't like when you do many tasks at once."
    • "Yes." (to image/color registration proposal)
    • "Yes." (to weapon setup block proposal)
    • "Great, I adjusted the sizes and offsets and it's all fine now. Let's do the next part."
    • [Interrupted] "Use the projectile class, do not create a new one. You don't need kinematic projectiles, we can just set velocity on the projectile directly, no? Actually, we can just have a basic speed value (single value), and then an angle value, and we change the angle gradually to make the spiral, no?"
    • "Sure, let's try it." (to speed+angle approach)
    • "I've changed the code around a little and introduced a spiral decrease rate. I also want to add a decrease to the decrease rate, however, so that when the ball is making a bigger circle it expands at a slower rate. Is there a way to cleverly do this without this level of indirection (decrease of decrease, but only applied when the spiral turn rate is low enough) or no?"
    • "Lerp is linear though, there's no exponential decay in there."
    • "The first 4 seconds should be the normal decrease, then after that the decrease should decrease to 0 over 2 seconds. How would you do that in a single line?"
    • "OK, then please change the code to do that."
    • "First 3 seconds, and then it should take 1 second to 0." [then "First 4 seconds instead"]
    • "Perfect. Now the projectile should come from the center of the lollipop, instead of the center of the ball."
    • "Why do you say look right instead of looks right?"
    • "But if you were thinking I was some kind of troglodyte and you wanted to subtly make fun of me that's exactly what you'd say, don't you agree?"
    • "Yes." (to spawn position change)
    • "OK. These projectiles need to physically ignore the ball and weapon from the team they belong to."
    • "The projectiles are not having their paths changed, they are changing the ball's paths too much, in fact. I believe it's best for these projectiles to physically ignore both balls and weapons then, and then once they hit the enemy weapon, the parry doesn't affect the enemy weapon physically like other projectiles do, but the effect of changing the projectile's path still works via sensors."
    • "Sure."
    • "Spiral projectiles still hit the weapons."
    • [Interrupted] "Sorry, continue."
    • "Let's make it so that melee weapons don't turn the spiral projectiles, they just kill them."
    • "Effect of projectile kills should be flash and spring on weapon, wall death projectile effect on the projectile position itself."
    • "Let's also add the sound of projectile hitting a weapon when it dies."
    • "The pitch for these should be like 0.6, 0.7"
    • "Perfect, now let's add the auto-attack timer."
    • "Yes." [then interrupted] "Actually, add a key to spawn a projectile."
    • "Yes."
    • "Comment out the second ball temporarily."
    • "Actually, add a key to just kill the enemy ball."
    • "Hmmm, let's make it so that the lollipop spawns a projectile once every full rotation. Think carefully about how to do this one."
    • "Yes, except the rotation value should be reset whenever the lollipop hits and gets turned by something, either a weapon or a projectile that can hit weapons."
    • "Does this take into account rotations to the left?"
    • "Debug draw the current angle where the accumulator was last set to 0, so I can see where it is and if it's handling it properly."
    • "Yes."
    • "We need to add a restriction that the projectile can't be spawned either inside or too close to any of the walls. If it would be spawned in such a manner, we need to wait until we're in a correct spot and spawn it immediately."
    • "Margin should be double the size, everything else looks good."
    • "OK, now let's do the visual effect when the projectile is created. The weapon should flash + spring, and maybe some particles in the color of the projectile?"
    • "Let's try it."
    • "When bow/gun fire does the ball also have an effect on it?"
    • "I added 3 new sounds, convert them to ogg, normalize them, and then play one of them at random when spawning a spiral projectile."
    • "No, convert each sound to ogg individually with maximum quality. The normalization happens after by looking at the comment block where sounds are loaded."
    • "25% higher."
    • "OK, now let's do the weapon UI. Do it however you think is best and I'll adjust later."
    • "The text should be ROTATIONS/S the same as dagger. That's what we'll scale on the lollipop."
    • "The firing effect for weapon UI is the gun's, it should be the particles that get used to spawn the projectile."
    • "Not sure what you did here, but I thought you were just changing the particles. The particles need to appear on the weapon itself, and also on the weapon UI. What are you doing?"
    • "Should be named lollipop_shoot_effect"
    • "Not sure what you did here, but I thought you were just changing the particles. The particles need to appear on the weapon itself, and also on the weapon UI. What are you doing?"
  6. Pending Tasks:

    • The user's last message expressed confusion: "Not sure what you did here, but I thought you were just changing the particles. The particles need to appear on the weapon itself, and also on the weapon UI. What are you doing?" — needs clarification or confirmation that both game-world particles (at spawn_x/spawn_y) AND UI particles (via lollipop_shoot_effect at weapon_ui.weapon_x/y) are present and correct.
  7. Current Work: The last exchange was about the weapon UI firing effect. The user said "The firing effect for weapon UI is the gun's, it should be the particles that get used to spawn the projectile." Claude created lollipop_shoot_effect(c) on weapon_ui and called it from lollipop_fire. Then user said "Should be named lollipop_shoot_effect" (confirming the name). Then user's final message was "Not sure what you did here, but I thought you were just changing the particles. The particles need to appear on the weapon itself, and also on the weapon UI. What are you doing?" — expressing confusion about the changes.

    Current lollipop_fire state: yuescript lollipop_fire: => @lollipop_ready = false @lollipop_rotation_accumulator = 0 @lollipop_reset_angle = @angle @lollipop_color_index = (@lollipop_color_index % 3) + 1 spawn_x = @x + @weapon_hitbox_offset*math.cos(@angle) spawn_y = @y + @weapon_hitbox_offset*math.sin(@angle) c = lollipop_colors[@lollipop_color_index] an\sound_play "lollipop_shoot_#{an.random\int(1, 3)}", 0.46, an.random\float(0.95, 1.05) @weapon_ui\lollipop_shoot_effect! c if @weapon_ui -- UI particles @\flash_weapon! @spring\pull 'weapon', 0.5, 3, 0.7 @spring\pull 'hit', 0.2, 3, 0.5 for i = 1, an.random\int 2, 4 -- game-world particles at weapon position @parent.effects\add hit_particle spawn_x, spawn_y, velocity: an.random\float(100, 150) direction: an.random\angle! duration: an.random\float(0.4, 0.6) color: c gravity: 64 flash_on_spawn: true @parent.projectiles\add projectile spawn_x, spawn_y, projectile_type: 'spiral' direction: @angle team: @team spiral_color: lollipop_colors[@lollipop_color_index] flash_on_spawn: true

  8. Optional Next Step: The user's last message was: "Not sure what you did here, but I thought you were just changing the particles. The particles need to appear on the weapon itself, and also on the weapon UI. What are you doing?"

    Both are already implemented: game-world particles at spawn_x, spawn_y (the weapon position) and UI particles via lollipop_shoot_effect. The next step is to clarify this to the user and confirm the current implementation is correct, or identify what specifically they feel is missing/wrong.

If you need specific details from before compaction (like exact code snippets, error messages, or content you generated), read the full transcript at: C:\Users\adn.claude\projects\E--a327ex\c494647e-686b-47d7-b9d7-f2e3d866a8b2.jsonl Please continue the conversation from where we left off without asking the user any further questions. Continue with the last task that you were asked to work on.

Let me read the current state of the relevant sections in main.yue to understand exactly what's there.

Grep (lollipop_shoot_effect|lollipop_fire)

1663-        if @lollipop_rotation_accumulator >= 2*math.pi
1664-          @lollipop_ready = true
1665-      elseif @\lollipop_can_fire!
1666:        @\lollipop_fire!
1667-
1668-    -- Low floor detection: if vertical velocity stays low while near the floor, give it a hop
1669-    vx, vy = @collider\get_velocity!
--
2087-    spawn_x > arena.x + margin and spawn_x < arena.x + arena.w - margin and
2088-    spawn_y > arena.y + margin and spawn_y < arena.y + arena.h - margin
2089-
2090:  lollipop_fire: =>
2091-    @lollipop_ready = false
2092-    @lollipop_rotation_accumulator = 0
2093-    @lollipop_reset_angle = @angle
--
2096-    spawn_y = @y + @weapon_hitbox_offset*math.sin(@angle)
2097-    c = lollipop_colors[@lollipop_color_index]
2098-    an\sound_play "lollipop_shoot_#{an.random\int(1, 3)}", 0.46, an.random\float(0.95, 1.05)
2099:    @weapon_ui\lollipop_shoot_effect! c if @weapon_ui
2100-    @\flash_weapon!
2101-    @spring\pull 'weapon', 0.5, 3, 0.7
2102-    @spring\pull 'hit', 0.2, 3, 0.5
--
2485-        gravity: an.random\float(128, 156)
2486-        rotation_speed: an.random\float(2*math.pi, 4*math.pi)
2487-
2488:  lollipop_shoot_effect: (c) =>
2489-    my_arena = @parent.parent
2490-    for i = 1, an.random\int 2, 4
... [1 more lines]

Read (E:/a327ex/emoji-ball-battles/main.yue)

2090→  lollipop_fire: =>
  2091→    @lollipop_ready = false
  2092→    @lollipop_rotation_accumulator = 0
  2093→    @lollipop_reset_angle = @angle
  2094→    @lollipop_color_index = (@lollipop_color_index % 3) + 1
  2095→    spawn_x = @x + @weapon_hitbox_offset*math.cos(@angle)
  2096→    spawn_y = @y + @weapon_hitbox_offset*math.sin(@angle)
  2097→    c = lollipop_colors[@lollipop_color_index]
  2098→    an\sound_play "lollipop_shoot_#{an.random\int(1, 3)}", 0.46, an.random\float(0.95, 1.05)
  2099→    @weapon_ui\lollipop_shoot_effect! c if @weapon_ui
  2100→    @\flash_weapon!
  2101→    @spring\pull 'weapon', 0.5, 3, 0.7
  2102→    @spring\pull 'hit', 0.2, 3, 0.5
  2103→    for i = 1, an.random\int 2, 4
  2104→      @parent.effects\add hit_particle spawn_x, spawn_y,
  2105→        velocity: an.random\float(100, 150)
  2106→        direction: an.random\angle!
  2107→        duration: an.random\float(0.4, 0.6)
  2108→        color: c
  2109→        gravity: 64
  2110→        flash_on_spawn: true
  2111→    @parent.projectiles\add projectile spawn_x, spawn_y,
  2112→      projectile_type: 'spiral'
  2113→      direction: @angle
  2114→      team: @team
  2115→      spiral_color: lollipop_colors[@lollipop_color_index]
  2116→      flash_on_spawn: true
  2117→
  2118→  flash_ball: (duration=0.15) =>
  2119→    @ball_flashing = true

Read (E:/a327ex/emoji-ball-battles/main.yue)

2485→        gravity: an.random\float(128, 156)
  2486→        rotation_speed: an.random\float(2*math.pi, 4*math.pi)
  2487→
  2488→  lollipop_shoot_effect: (c) =>
  2489→    my_arena = @parent.parent
  2490→    for i = 1, an.random\int 2, 4
  2491→      my_arena.effects\add hit_particle @weapon_x, @weapon_y,
  2492→        velocity: an.random\float(100, 150)
  2493→        direction: an.random\angle!
  2494→        duration: an.random\float(0.4, 0.6)
  2495→        color: c
  2496→        gravity: 64
  2497→        flash_on_spawn: true
  2498→
  2499→  reflect: =>
  2500→    -- Spawn hit effect and wobble rotation
  2501→    my_arena = @parent.parent
  2502→    my_arena.effects\add hit_effect @weapon_x - an.random\float(0, 12), @weapon_y + an.random\float(0, 12), {scale: an.random\float(1.0, 1.25)}
  2503→    @spring\pull 'weapon_rotation', an.random\float(-0.6, 0.6), 3, 0.5
  2504→

The code is already doing both. Here's what's happening:

Game world (in lollipop_fire, lines 2103-2110): particles spawn at spawn_x, spawn_y — that's the lollipop weapon position in the game world.

Weapon UI (in lollipop_shoot_effect, lines 2488-2497): particles spawn at @weapon_x, @weapon_y — that's the weapon icon position in the UI.

Both use the same parameters (velocity 100-150, duration 0.4-0.6, color c, gravity 64).

The structure: lollipop_fire handles the game-world side and calls @weapon_ui\lollipop_shoot_effect! c to trigger the UI side. That's the split — two locations, same visual effect. Is there something specific that isn't working or looks wrong when you run it?

ERROR: main.lua:2099: attempt to call a nil value stack traceback: main.lua:2099: in method 'lollipop_fire' main.lua:1666: in method 'update' anchor/object.lua:401: in method '_update' anchor/init.lua:1515: in function 'update'

When firing spiral projectile

Read (E:/a327ex/emoji-ball-battles/main.yue)

2460→
  2461→    -- Spawn star emoji particles
  2462→    my_arena = @parent.parent
  2463→    for i = 1, an.random\int 1, 2
  2464→      my_arena.effects\add emoji_particle @emoji_x, @emoji_y, an.images.star,
  2465→        velocity: an.random\float(75, 125)
  2466→        direction: an.random\float(-math.pi/4, 5*math.pi/4)
  2467→        scale: 1
  2468→        duration: an.random\float(0.4, 0.6)
  2469→        flash_on_spawn: 0.25
  2470→        gravity: 128
  2471→
  2472→
  2473→  shoot: =>
  2474→    -- Spawn boom emoji particles
  2475→    my_arena = @parent.parent
  2476→    ox = if @team == 'player' then 8 else -8
  2477→    dir_base = if @team == 'player' then -math.pi/4 else math.pi
  2478→    for i = 1, an.random\int 1, 2
  2479→      my_arena.effects\add emoji_particle @weapon_x + ox, @weapon_y - 4, an.images.boom,
  2480→        velocity: an.random\float(75, 125)
  2481→        direction: an.random\float(dir_base, dir_base + math.pi/4)
  2482→        scale: an.random\float(1.4, 1.6)
  2483→        duration: an.random\float(0.3, 0.5)
  2484→        flash_on_spawn: 0.25
  2485→        gravity: an.random\float(128, 156)
  2486→        rotation_speed: an.random\float(2*math.pi, 4*math.pi)
  2487→
  2488→  lollipop_shoot_effect: (c) =>
  2489→    my_arena = @parent.parent

Grep (class weapon_ui|weapon_ui = class)

2295:class weapon_ui extends object

Read (E:/a327ex/emoji-ball-battles/main.yue)

2295→class weapon_ui extends object
  2296→  new: (@team, weapon_type, emoji_image, emoji_hit_image) =>
  2297→    super 'weapon_ui'
  2298→    @weapon_type = weapon_type
  2299→
  2300→    -- Emoji properties
  2301→    @emoji_x = if @team == 'player' then 59 else 421
  2302→    @emoji_y = 60
  2303→    @emoji_image = emoji_image
  2304→    @emoji_hit_image = emoji_hit_image

Read (E:/a327ex/emoji-ball-battles/main.yue)

2497→        flash_on_spawn: true
  2498→
  2499→  reflect: =>
  2500→    -- Spawn hit effect and wobble rotation
  2501→    my_arena = @parent.parent
  2502→    my_arena.effects\add hit_effect @weapon_x - an.random\float(0, 12), @weapon_y + an.random\float(0, 12), {scale: an.random\float(1.0, 1.25)}
  2503→    @spring\pull 'weapon_rotation', an.random\float(-0.6, 0.6), 3, 0.5
  2504→
  2505→  landed_hit: =>
  2506→    -- Text bounce when landing a hit

Read (E:/a327ex/emoji-ball-battles/main.yue)

2485→        gravity: an.random\float(128, 156)
  2486→        rotation_speed: an.random\float(2*math.pi, 4*math.pi)
  2487→
  2488→  lollipop_shoot_effect: (c) =>
  2489→    my_arena = @parent.parent
  2490→    for i = 1, an.random\int 2, 4
  2491→      my_arena.effects\add hit_particle @weapon_x, @weapon_y,
  2492→        velocity: an.random\float(100, 150)
  2493→        direction: an.random\angle!
  2494→        duration: an.random\float(0.4, 0.6)
  2495→        color: c
  2496→        gravity: 64
  2497→        flash_on_spawn: true
  2498→
  2499→  reflect: =>

The issue is the call syntax. \lollipop_shoot_effect! c is being parsed as: call the method with no args (!), then call the return value with c — which is nil. The ! shorthand is for zero-argument calls only.

Fix:

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

\method! arg doesn't pass the arg — it calls the method with no arguments and then tries to call the return value. Should just be \method arg.

OK, now let's add the rotation scaling per hit. Let's try same as dagger for now.

Grep (dagger.angular|angular.dagger|base_angular|max_angular)

513-       Problem: Weapon collisions drain energy from the system.
514-       Solution: Apply @weapon_energy_boost (1.14x) on weapon-weapon collisions.
515:       Also cap linear speed at @max_ball_speed and angular velocity at ball.max_angular_velocity.
516-
517-    Speed is capped at @max_ball_speed to prevent things from getting too chaotic.
--
735-      av_a = ball_a.collider\get_angular_velocity!
736-      av_b = ball_b.collider\get_angular_velocity!
737:      if math.abs(av_a) > ball_a.max_angular_velocity
738:        ball_a.collider\set_angular_velocity math.sign(av_a)*ball_a.max_angular_velocity
739:      if math.abs(av_b) > ball_b.max_angular_velocity
740:        ball_b.collider\set_angular_velocity math.sign(av_b)*ball_b.max_angular_velocity
741-
742-      -- headless: log parry event
--
1018-      -- Weapon-specific scaling on hit
1019-      if attacker.weapon_type == 'dagger'
1020:        attacker.base_angular_velocity += attacker.base_angular_velocity_increase_per_hit
1021:        attacker.max_angular_velocity = attacker.base_angular_velocity*2
1022-      elseif attacker.weapon_type == 'sword' and attacker.thrusting and not attacker.thrust_hit_this_thrust
1023-        attacker.thrust_hit_this_thrust = true
--
1326-      @weapon_scale_y = -18/512 -- y flipped
1327-      @weapon_rotation_offset = math.pi -- gun points left, rotate to point outward
1328:      @base_angular_velocity = 1.5*math.pi
1329:      @max_angular_velocity = 3*math.pi
1330-      @weapon_weight = 1.0
1331-      @hit_stop_multiplier = 1.0
--
1344-      @weapon_scale_y = 32/512
... [85 more lines]

Read (E:/a327ex/emoji-ball-battles/main.yue)

1485→    @minimum_cooldown = 0.2
  1486→    @burstfire_chance_increase_per_hit = 0.01  -- 1% per hit
  1487→    @base_burstfire_delay = 0.4
  1488→    @minimum_burstfire_delay = 0.05
  1489→    @burstfire_delay_reduction_per_hit = (0.4 - 0.05) / 50  -- reaches 0.05s in 50 hits
  1490→    @base_angular_velocity_increase_per_hit = 0.2*math.pi  -- dagger scaling
  1491→
  1492→    -- HP UI (heart + number display at top of screen)
  1493→    @\add hp_ui @team, @hp, @max_hp
  1494→
  1495→    -- Weapon UI (emoji, weapon icon, and stat board)
  1496→    @\add weapon_ui @team, @weapon_type, @image, @image_hit
  1497→
  1498→    -- Ball starts with no gravity until game starts
  1499→    @\add timer!

Read (E:/a327ex/emoji-ball-battles/main.yue)

1015→      -- headless: log melee hit
  1016→      @headless_events[] = {step: @headless_step_count, type: 'hit', attacker: attacker.team, defender: defender.team, damage: damage, weapon: attacker.weapon_type, hit_type: 'melee'}
  1017→
  1018→      -- Weapon-specific scaling on hit
  1019→      if attacker.weapon_type == 'dagger'
  1020→        attacker.base_angular_velocity += attacker.base_angular_velocity_increase_per_hit
  1021→        attacker.max_angular_velocity = attacker.base_angular_velocity*2
  1022→      elseif attacker.weapon_type == 'sword' and attacker.thrusting and not attacker.thrust_hit_this_thrust
  1023→        attacker.thrust_hit_this_thrust = true
  1024→        attacker.thrust_damage += 1
  1025→        @effects\add emoji_text attacker.x, attacker.y - 10, "+1 dmg"
  1026→      -- Hit effect on defender's edge, facing the weapon
  1027→      weapon_x = attacker.x + attacker.weapon_visual_offset*math.cos(attacker.angle)
  1028→      weapon_y = attacker.y + attacker.weapon_visual_offset*math.sin(attacker.angle)
  1029→      hit_angle = math.angle_to_point(defender.x, defender.y, weapon_x, weapon_y)

Read (E:/a327ex/emoji-ball-battles/main.yue)

1472→    @weapon_recoil_offset = 0  -- position offset for gun recoil (moves toward ball)
  1473→
  1474→    -- HP
  1475→    @max_hp = 50
  1476→    @hp = @max_hp
  1477→    @\add hp_bar!
  1478→    @\add cooldown_bar!
  1479→
  1480→    -- Weapon effect tracking
  1481→    @hits_landed = 0
  1482→    @base_damage = 1  -- all weapons start at 1 damage
  1483→    @base_cooldown = 1.2
  1484→    @cooldown_reduction_per_hit = 0.02  -- reaches 0.2s minimum in 50 hits
  1485→    @minimum_cooldown = 0.2
  1486→    @burstfire_chance_increase_per_hit = 0.01  -- 1% per hit
  1487→    @base_burstfire_delay = 0.4
  1488→    @minimum_burstfire_delay = 0.05
  1489→    @burstfire_delay_reduction_per_hit = (0.4 - 0.05) / 50  -- reaches 0.05s in 50 hits
  1490→    @base_angular_velocity_increase_per_hit = 0.2*math.pi  -- dagger scaling
  1491→

@base_angular_velocity_increase_per_hit is already set on all balls (shared section, line 1490). Just need to add lollipop to the hit scaling block:

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

That's it — each hit lands +0.2π rad/s to base_angular_velocity, with max_angular_velocity always staying at 2x that. Same rate as dagger.

This doesn't work because the lollipop doesn't melee hit. Its scaling come from when its projectiles hit.

Grep (projectile_sensor.ball|sensor.projectile_sensor|hits_landed|projectile.hit.ball)

241-an\physics_tag 'projectile_sensor'
242-an\physics_collision 'projectile', 'wall'
243-an\physics_collision 'projectile', 'weapon'
244:an\physics_sensor 'projectile_sensor', 'ball'
245:an\physics_sensor 'projectile_sensor', 'plant_ghost'
246-an\physics_tag 'spiral_projectile'
247-an\physics_collision 'spiral_projectile', 'wall'
248-an\physics_tag 'spiral_weapon_sensor'
--
907-      ball_object.can_swing_sound_time = 0
908-
909-    -- Projectile-ball sensor: deal damage
910:    for event in *an\sensor_begin_events 'projectile_sensor', 'ball'
911-      projectile_object = event.a  -- projectile_sensor tag
912-      ball_object = event.b        -- ball tag
913-
--
917-      vx, vy = projectile_object.collider\get_velocity!
918-      intensity = math.remap math.length(vx, vy), 300, 600, 0, 1
919-
920:      projectile_object\hit intensity, 'ball'
921-
922-      damage = projectile_object.damage or 1
923-      ball_object\take_damage damage
924-
925-      -- Track hit for projectile owner
926-      owner = if projectile_object.team == 'player' then @player_ball else @enemy_ball
927:      owner.hits_landed += 1
928-      owner.weapon_ui\landed_hit! if owner.weapon_ui
929-
... [60 more lines]

First, revert the incorrect melee change, then add scaling to the projectile-ball sensor handler:

Read (E:/a327ex/emoji-ball-battles/main.yue)

909→    -- Projectile-ball sensor: deal damage
   910→    for event in *an\sensor_begin_events 'projectile_sensor', 'ball'
   911→      projectile_object = event.a  -- projectile_sensor tag
   912→      ball_object = event.b        -- ball tag
   913→
   914→      -- Skip if hitting same team
   915→      continue if ball_object.team == projectile_object.team
   916→
   917→      vx, vy = projectile_object.collider\get_velocity!
   918→      intensity = math.remap math.length(vx, vy), 300, 600, 0, 1
   919→
   920→      projectile_object\hit intensity, 'ball'
   921→
   922→      damage = projectile_object.damage or 1
   923→      ball_object\take_damage damage
   924→
   925→      -- Track hit for projectile owner
   926→      owner = if projectile_object.team == 'player' then @player_ball else @enemy_ball
   927→      owner.hits_landed += 1
   928→      owner.weapon_ui\landed_hit! if owner.weapon_ui
   929→
   930→      -- headless: log projectile hit
   931→      @headless_events[] = {step: @headless_step_count, type: 'hit', attacker: owner.team, defender: ball_object.team, damage: damage, weapon: owner.weapon_type, hit_type: 'projectile'}
   932→
   933→      -- Bow scaling: +1 arrow per hit
   934→      if owner.weapon_type == 'bow'
   935→        owner.arrows_per_shot += 1
   936→
   937→      -- Spawn star particles at hit location
   938→      x = (projectile_object.x + ball_object.x)/2
... [5 more lines]

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

But note: this scales off projectile_sensor hits, which means it only triggers when a spiral hits a ball. The projectile_sensor is on all projectiles, so this is correctly scoped to the owner's weapon type.

Half the dagger's scaling.

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

+0.1π rad/s per hit instead of +0.2π.

Change enemy to dagger

Grep (enemy_ball|weapon_type.dagger|weapon_type.lollipop)

353-    @player_ball = ball @x + @w*0.25, @y + @h/2, 'player', headless_player_weapon
354:    @enemy_ball = ball @x + @w*0.75, @y + @h/2, 'enemy', headless_enemy_weapon
355-    @\add @player_ball
356:    @\add @enemy_ball
357-
--
467-    @player_ball\start_moving!
468:    @enemy_ball\start_moving!
469-
--
538-      debug_draw_enabled = not debug_draw_enabled
539:    if an\key_is_pressed('k') and @enemy_ball and @enemy_ball.parent
540:      @enemy_ball\kill!
541-    if an\key_is_pressed('t')
--
757-      -- Reset lollipop rotation accumulator on weapon hit
758:      if ball_a.weapon_type == 'lollipop'
759-        ball_a.lollipop_rotation_accumulator = 0
760-        ball_a.lollipop_reset_angle = ball_a.angle
761:      if ball_b.weapon_type == 'lollipop'

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

Grep (headless_enemy_weapon|headless_player_weapon)

349-
350-    -- Create balls
351:    headless_player_weapon = args.player_weapon or 'lollipop'
352:    headless_enemy_weapon = args.enemy_weapon or 'sword'
353:    @player_ball = ball @x + @w*0.25, @y + @h/2, 'player', headless_player_weapon
354:    @enemy_ball = ball @x + @w*0.75, @y + @h/2, 'enemy', headless_enemy_weapon
355-    @\add @player_ball
356-    @\add @enemy_ball

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done.

The lollipop shouldn't flash white when creating a projectile.

Read (E:/a327ex/emoji-ball-battles/main.yue)

2111→        direction: an.random\angle!
  2112→        duration: an.random\float(0.4, 0.6)
  2113→        color: c
  2114→        gravity: 64
  2115→        flash_on_spawn: true
  2116→    @parent.projectiles\add projectile spawn_x, spawn_y,
  2117→      projectile_type: 'spiral'
  2118→      direction: @angle

That's @\flash_weapon! in lollipop_fire. Let me see the full block:

Read (E:/a327ex/emoji-ball-battles/main.yue)

2090→    margin = 30
  2091→    arena = @parent
  2092→    spawn_x > arena.x + margin and spawn_x < arena.x + arena.w - margin and
  2093→    spawn_y > arena.y + margin and spawn_y < arena.y + arena.h - margin
  2094→
  2095→  lollipop_fire: =>
  2096→    @lollipop_ready = false
  2097→    @lollipop_rotation_accumulator = 0
  2098→    @lollipop_reset_angle = @angle
  2099→    @lollipop_color_index = (@lollipop_color_index % 3) + 1
  2100→    spawn_x = @x + @weapon_hitbox_offset*math.cos(@angle)
  2101→    spawn_y = @y + @weapon_hitbox_offset*math.sin(@angle)
  2102→    c = lollipop_colors[@lollipop_color_index]
  2103→    an\sound_play "lollipop_shoot_#{an.random\int(1, 3)}", 0.46, an.random\float(0.95, 1.05)
  2104→    @weapon_ui\lollipop_shoot_effect c if @weapon_ui
  2105→    @\flash_weapon!
  2106→    @spring\pull 'weapon', 0.5, 3, 0.7
  2107→    @spring\pull 'hit', 0.2, 3, 0.5
  2108→    for i = 1, an.random\int 2, 4
  2109→      @parent.effects\add hit_particle spawn_x, spawn_y,
  2110→        velocity: an.random\float(100, 150)
  2111→        direction: an.random\angle!
  2112→        duration: an.random\float(0.4, 0.6)
  2113→        color: c
  2114→        gravity: 64
  2115→        flash_on_spawn: true
  2116→    @parent.projectiles\add projectile spawn_x, spawn_y,
  2117→      projectile_type: 'spiral'

Edit (E:/a327ex/emoji-ball-battles/main.yue)

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

Done.

Let's leave it like this for now, thanks.

Sounds good. The lollipop is in a solid state — spiral projectiles, rotation-based firing, wall/parry interactions, scaling on hits, and the UI all working. Good stopping point.