EBB Combat Juice Part 3 (Gun)

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1→# Emoji Ball Battles - Implementation Plan
     2→
     3→## Philosophy
     4→
     5→This plan follows the **beginning/end/constraint** framework:
     6→
     7→1. **Beginning**: Get the moment-to-moment combat working
     8→2. **End**: Validate power fantasies by implementing actual classes/weapons/items and testing broken builds
     9→3. **Middle**: Only then build the meta loop (draft, evolution, etc.) — planned after Phase 2 findings
    10→
    11→---
    12→
    13→## Architecture Principles
    14→
    15→### Single File
    16→
    17→The entire codebase lives in `main.yue`. No separate modules, no `game/` or `data/` folders.
    18→
    19→```
    20→emoji-ball-battles/
    21→├── main.yue           -- everything
    22→├── anchor/            -- framework classes
    23→├── assets/
    24→│   ├── emoji/         -- emoji sprites (later)
    25→│   └── sounds/        -- sound effects (later)
    26→└── reference/
    27→    └── implementation-plan.md
    28→```
    29→
    30→### Locality
... [642 more lines]

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1→# Emoji Game Effects Documentation
     2→
     3→A comprehensive catalog of all visual effects from four reference emoji games, translated to the current Anchor framework API.
     4→
     5→---
     6→
     7→## Table of Contents
     8→
     9→1. [Spring Effects](#spring-effects)
    10→2. [Flash Effects](#flash-effects)
    11→3. [Camera Effects](#camera-effects)
    12→4. [Particle Systems](#particle-systems)
    13→5. [Hit Effects](#hit-effects)
    14→6. [Animation Effects](#animation-effects)
    15→7. [Plant/Decoration Effects](#plantdecoration-effects)
    16→8. [Screen Effects](#screen-effects)
    17→9. [Combined Systems (HitFX)](#combined-systems-hitfx)
    18→
    19→---
    20→
    21→## Spring Effects
    22→
    23→Springs are used to create bouncy, responsive feedback by modulating scale, position, or other values.
    24→
    25→### Scale Bounce on Hit
    26→
    27→**Trigger:** When an entity takes damage or is interacted with
    28→**Visual:** Entity briefly shrinks then overshoots back to normal size
    29→**Source:** emojunky-one, emoji-merge, super-emoji-box, super-emoji-pop
    30→**Code:** `super emoji pop/main.lua:254` (emoji:hit spring pull)
... [1599 more lines]

1→require 'lun.object'
     2→
     3→function init()
     4→  lun:engine_start('super emoji clicker', 640, 360, 2.5, 2.5, 'twitter_emoji', 'rough', true)
     5→  lun:input_bind_all()
     6→
     7→  lun:input_bind('action_1', {'key:z', 'key:enter', 'mouse:1', 'button:fleft', 'button:fdown'})
     8→  lun:input_bind('action_2', {'key:x', 'key:escape', 'mouse:2', 'button:fright', 'button:fup'})
     9→  love.mouse.setVisible(false)
    10→
    11→  lun:shader('combine', nil, 'assets/combine.frag')
    12→  lun:shader('shadow', nil, 'assets/shadow.frag')
    13→  lun:shader('outline', nil, 'assets/outline.frag')
    14→
    15→  lun:image('hit1', 'assets/hit1.png')
    16→  lun:animation_frames('hit1', 'hit1', 96, 48)
    17→  lun:image('index', 'assets/index.png')
    18→  lun:image('slight_smile', 'assets/slight_smile.png')
    19→  lun:image('a', 'assets/a.png')
    20→  lun:image('b', 'assets/b.png')
    21→  lun:image('c', 'assets/c.png')
    22→  lun:image('d', 'assets/d.png')
    23→  lun:image('e', 'assets/e.png')
    24→  lun:image('f', 'assets/f.png')
    25→  lun:image('g', 'assets/g.png')
    26→  lun:image('h', 'assets/h.png')
    27→  lun:image('i', 'assets/i.png')
    28→  lun:image('j', 'assets/j.png')
    29→  lun:image('k', 'assets/k.png')
    30→  lun:image('l', 'assets/l.png')
... [70 more lines]

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Found 1 file
reference\emojunky-one\entities.lua

1044:EmojiBullet = Object:extend()
1319:Bullet = Object:extend()

1319→Bullet = Object:extend()
  1320→
  1321→function Bullet:new(x, y, v, r, color1, color2, mods)
  1322→   local mods = mods or {}
  1323→   for k, v in pairs(mods) do self[k] = v end
  1324→
  1325→   Object.new(self, x, y):set_rectangle(15*(mods.sx or 1), 7*(mods.sy or 1)):set_restitution(0.75):set_friction(1):set_category(4):set_mask(2, 3, 4):set_gravity_scale(0.5)
  1326→   self.v = v
  1327→   self.r = r
  1328→   self:apply_impulse(self.v*math.cos(r), self.v*math.sin(r))
  1329→   self.color1 = copy(color1 or white)
  1330→   self.color2 = copy(color2 or yellow)
  1331→   self.color = copy(self.color1)
  1332→   self.hit_spring = Spring(1)
  1333→   self.hit_spring:pull(0.3)
  1334→   self.timer:tween(0.15, self.color, {[1] = self.color2[1], [2] = self.color2[2], [3] = self.color2[3]}, linear, nil, "color")
  1335→   self.bounces = mods.bounces or 1
  1336→   self.pierces = mods.pierces or 2
  1337→
  1338→   if self.homing then
  1339→      self.timer:everyi(0.02, function()
  1340→         for i = 1, 2 do
  1341→            table.insert(effects, FireTrailParticle(self.x + 0.5*self.w*math.cos(self.r), self.y + 0.5*self.w*math.sin(self.r), rng:float(3, 4), self.color1, self.color2))
  1342→         end
  1343→      end)
  1344→   end
  1345→end
  1346→
  1347→function Bullet:update(dt)
  1348→   Object.update(self, dt)
... [120 more lines]

250→  -- self:collider_draw(game, lun.colors.blue[0], 1)
   251→end
   252→
   253→function emoji:hit(x, y, damage)
   254→  self:spring_pull('main', 0.5)
   255→  self:flash(0.125)
   256→  self.arena:add(emoji_text(self.x, y - 16, {text = tostring(damage), duration_multiplier = 0.35}))
   257→
   258→  self:stats_add('hp', -damage)
   259→  if self.stats.hp.x <= 0 then
   260→    self:die()
   261→  else
   262→    self.arena:add(hit_effect(x, y))
   263→    for i = 1, 2 do self.arena:add(hit_particle(x, y, {v = lun:random_float(75, 250)}):change_color(nil, self.color)) end
   264→    self:add(hp_bar(self, self.w/2 + 6, 2))
   265→    lun.sounds.enemy_hit:sound_play(0.35, lun:random_float(0.95, 1.05))
   266→  end
   267→end
   268→
   269→function emoji:die()
   270→  self.dead = true
   271→  lun.sounds[array.random({'enemy_die1', 'enemy_die2'})]:sound_play(0.5, lun:random_float(0.95, 1.05))
   272→  self.arena:add(hit_circle(self.x, self.y, {rs = 18, duration = 0.25, color = lun.colors.white[0]}):change_color(nil, self.color))
   273→  for i = 1, 4 do self.arena:add(hit_particle(self.x, self.y, {v = lun:random_float(100, 300), duration = lun:random_float(0.2, 0.5), color = lun.colors.fg[0]}):change_color(nil, self.color)) end
   274→end
   275→
   276→--{{{ ui
   277→hp_bar = class:class_new(object)
   278→function hp_bar:new(parent, y, duration)
   279→  self:object('hp_bar', args)
... [170 more lines]

E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\external\sort.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\external\profile.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\external\utf8.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\tools\build_for_windows.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\class.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\joint.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\music_player.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\shake.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\spring.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\stats.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\string.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\ui.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\mover.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\sound.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\camera.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\random.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\color.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\input.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\mouse_hover.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\grid.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\text.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\animation.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\physics_world.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\conf.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\layer.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\tiled_map.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\array.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\lun.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\sensor.lua
E:\a327ex\emoji-ball-battles\reference\super emoji box\lun\sensor_world.lua
... [6 more lines]

630→  local bx, by = self:collider_do_not_go_below(lun.h/2 - 40)
   631→  local rx, ry = self:collider_separate(50, self.enemies.children, self.max_v)
   632→  local sx, sy = self:collider_separate(150, self.enemies.arena.players.children, self.max_v)
   633→  local wx, wy = self:collider_wander(25, 100, 20, self.max_v)
   634→  self:collider_apply_force(math.limit(ax+8*bx+rx+sx+wx, ay+8*by+ry+sy+wy, 1000))
   635→  self.r = math.angle_to_point(self.x, self.y, player.x, player.y)
   636→
   637→  local vx, vy = self:collider_get_velocity()
   638→  vx, vy = math.limit(vx, vy, self.max_v)
   639→  self:collider_set_velocity(vx + self.push_impulse.x, vy + self.push_impulse.y)
   640→
   641→  local s = self.springs.main.x*self.springs.act.x
   642→  game:draw_image(self.enemy_type, self.x + self.spring_shake_amount.x, self.y + self.spring_shake_amount.y, self.r - math.pi/2,
   643→    self.sx*s*self.act_sx + (self.charging and lun:random_float(0, 0.01) or 0), self.sy*s*self.act_sy + (self.charging and lun:random_float(0, 0.01) or 0), nil, nil,
   644→    self.charging and self.charging_color[0] or lun.colors.white[0], (self.flashing or self.charging) and lun.shaders.combine)
   645→end
   646→
   647→function alien:shoot(charge_up_multiplier)
   648→  local d = 2*(charge_up_multiplier or 1)
   649→  self:spring_pull('act', 0.1)
   650→  self.charging = true
   651→  self.charging_color = lun.colors.gray:color_copy(0)
   652→  self:timer_tween(d, self, {act_sx = 1.2, act_sy = 1.2}, math.linear)
   653→  self:timer_tween(d, self.charging_color[0], {r = 1, g = 1, b = 1}, math.linear, function()
   654→    self.charging = false
   655→    self:timer_tween(0.05*d, self, {act_sx = 1, act_sy = 1}, math.cubic_in_out, function() self.act_sx, self.act_sy = 1, 1 end)
   656→    self:spring_pull('main', 0.35, 250, 10)
   657→    self:flash(0.125)
   658→    self:s_shake(8, self.r, 250, 75)
   659→    local x, y = self.x + 0.75*self.w*math.cos(self.r), self.y + 0.75*self.w*math.sin(self.r)
... [120 more lines]

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466:--{{{ bullet
467:bullet = class:class_new(object)
468:function bullet:new(x, y, args)
486:  self.max_bullet_hp = 3
487:  self.bullet_hp = 3
498:function bullet:update(dt)
510:function bullet:collide_with_solid(x, y, nx, ny)
540:function bullet:collide_with_plant(plant)
694:    self.parent:add(bullet(self.x, self.y, {v = lun:random_float(85, 95), r = self.r, dagger = true}))

466→--{{{ bullet
   467→bullet = class:class_new(object)
   468→function bullet:new(x, y, args)
   469→  self:object(nil, args)
   470→  self.x, self.y = x, y
   471→  self:collider('projectile', 'dynamic', 'rectangle', 15, 7)
   472→  self:collider_set_restitution(0.75)
   473→  self:collider_set_friction(1)
   474→  self:collider_set_gravity_scale(0.5)
   475→
   476→  self:collider_apply_impulse(self.v*math.cos(self.r), self.v*math.sin(self.r))
   477→
   478→  self:timer()
   479→  self:spring()
   480→  self:spring_add('hit', 1)
   481→  self:spring_pull('hit', 0.3)
   482→  self:flash(0.1)
   483→
   484→  self.bounces = 0
   485→  self.pierces = 0
   486→  self.max_bullet_hp = 3
   487→  self.bullet_hp = 3
   488→  self.solid_contact_time = lun.time
   489→
   490→  if self.dagger then
   491→    self.sx, self.sy = 22/512, 22/512
   492→    self:collider_set_gravity_scale(0.35)
   493→    self:collider_set_restitution(1)
   494→    self.bounces = 1
   495→  end
... [70 more lines]

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E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua

140→
   141→function BulletHitCircle:draw()
   142→   g.setColor(self.color)
   143→   g.circle("fill", self.x, self.y, self.r)
   144→   g.setColor(white)
   145→end
   146→
   147→BulletParticle = Class:extend()
   148→
   149→function BulletParticle:new(x, y, v, r, color1, color2)
   150→   self.timer = Timer()
   151→   self.x, self.y = x, y
   152→   self.v, self.r = v, r
   153→   self.sx, self.sy = 1, 1
   154→   self.w = remap(self.v, 0, 250, 0, 14)
   155→   self.h = remap(self.v, 0, 250, 0, 6)
   156→   self.color = copy(color1 or white)
   157→   local color2 = color2 or yellow
   158→   self.timer:tween(0.3, self.color, {[1] = color2[1], [2] = color2[2], [3] = color2[3]}, linear)
   159→   self.timer:tween(0.3, self, {sx = 0, sy = 0, v = 0}, linear, function() self.dead = true end)
   160→end
   161→
   162→function BulletParticle:update(dt)
   163→   self.timer:update(dt)
   164→   self.x = self.x + self.v*math.cos(self.r)*dt
   165→   self.y = self.y + self.v*math.sin(self.r)*dt
   166→end
   167→
   168→function BulletParticle:draw()
   169→   g.setColor(self.color)
... [90 more lines]

115→   self.y = self.y + self.v*math.sin(self.r)*dt
   116→end
   117→
   118→function EmojiParticle:draw()
   119→   local r = 0
   120→   if self.follow_angle then r = self.r - math.pi/2 end
   121→   draw_image(self.emoji, self.x, self.y, r, self.sx, self.sy)
   122→end
   123→
   124→BulletHitCircle = Class:extend()
   125→
   126→function BulletHitCircle:new(x, y, r, color1, color2)
   127→   self.timer = Timer()
   128→   self.x, self.y = x, y
   129→   self.z = -5
   130→   self.r = r or 12
   131→   self.color = copy(color1 or white)
   132→   local color2 = color2 or yellow
   133→   self.timer:tween(0.15, self.color, {[1] = color2[1], [2] = color2[2], [3] = color2[3]}, cubic_in_out)
   134→   self.timer:tween(0.2, self, {r = 0}, linear, function() self.dead = true end)
   135→end
   136→
   137→function BulletHitCircle:update(dt)
   138→   self.timer:update(dt)
   139→end
   140→
   141→function BulletHitCircle:draw()
   142→   g.setColor(self.color)
   143→   g.circle("fill", self.x, self.y, self.r)
   144→   g.setColor(white)

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

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

[
  {
    "type": "image",
    "source": {
      "type": "base64",
      "data": "[base64 image data removed]",
      "media_type": "image/png"
    }
  }
]

70→-- Physics
    71→an\physics_init!
    72→an\physics_set_gravity 0, 384
    73→an\physics_tag 'wall'
    74→an\physics_tag 'ball'
    75→an\physics_tag 'weapon'
    76→an\physics_tag 'weapon_hitbox'
    77→an\physics_tag 'plant_ghost'
    78→an\physics_collision 'ball', 'wall'
    79→an\physics_collision 'ball', 'ball'
    80→an\physics_collision 'weapon', 'weapon'
    81→an\physics_sensor 'weapon_hitbox', 'ball'
    82→an\physics_sensor 'weapon_hitbox', 'plant_ghost'
    83→an\physics_sensor 'plant_ghost', 'ball'
    84→
    85→-- Render and composite layers
    86→draw = ->
    87→  bg\render!
    88→  back\render!
    89→  game\render!

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

49→-- Images
    50→an\image 'slight_smile', 'assets/slight_smile.png'
    51→an\image 'no_mouth', 'assets/no_mouth.png'
    52→an\image 'dagger', 'assets/dagger.png'
    53→an\image 'star', 'assets/star.png'
    54→an\image 'dash', 'assets/dash.png'
    55→
    56→-- Plant images
    57→an\image 'seedling', 'assets/seedling.png'
    58→an\image 'sheaf', 'assets/sheaf.png'
    59→an\image 'tulip', 'assets/tulip.png'
    60→an\image 'blossom', 'assets/blossom.png'
    61→an\image 'four_leaf_clover', 'assets/four_leaf_clover.png'
    62→
    63→-- Digit images for damage numbers
    64→for i = 0, 9
    65→  an\image tostring(i), "assets/#{i}.png"
    66→
    67→-- Spritesheets
    68→an\spritesheet 'hit1', 'assets/hit1.png', 96, 48

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

File created successfully at: E:\a327ex\emoji-ball-battles\todo.md

141:class arena extends object
709:class ball extends object
876:class hp_bar extends object
910:class star_particle extends object
936:class hit_circle extends object
952:class hit_particle extends object
977:class dash_particle extends object
1004:class hit_effect extends object
1023:class damage_number extends object
1069:class plant extends object
1212:class dying_plant extends object
1265:class wall extends object

936→class hit_circle extends object
   937→  new: (@x, @y, args={}) =>
   938→    super!
   939→    @radius = args.radius or 12
   940→    @color = args.color or white\clone!
   941→    @duration = args.duration or 0.2
   942→
   943→    @\add timer!
   944→    @timer\tween @duration, @, {radius: 0}, math.cubic_in_out, -> @\kill!
   945→
   946→  update: (dt) =>
   947→    effects\circle @x, @y, @radius, @color!
   948→
   949→
   950→
   951→-- Hit particle: rectangle that shoots outward and shrinks
   952→class hit_particle extends object
   953→  new: (@x, @y, args={}) =>
   954→    super!
   955→    @velocity = args.velocity or an.random\float 50, 150
   956→    @direction = args.direction or an.random\angle!
   957→    @color = args.color or white\clone!
   958→    @w = math.remap @velocity, 0, 250, 4, 12
   959→    @h = math.remap @velocity, 0, 250, 2, 6
   960→    @sx, @sy = 1, 1
   961→    @duration = args.duration or 0.3
   962→
   963→    @\add timer!
   964→    @timer\tween @duration, @, {velocity: 0, sx: 0, sy: 0}, math.linear, -> @\kill!
   965→
... [50 more lines]

709→class ball extends object
   710→  new: (@x, @y, @team) =>
   711→    super!
   712→    @\tag 'ball'
   713→    @image = @team == 'player' and an.images.slight_smile or an.images.no_mouth
   714→    @radius = 10
   715→    @scale = 2*@radius/@image.width
   716→
   717→    -- Weapon setup
   718→    @weapon_image = an.images.dagger
   719→    @weapon_visual_offset = 24  -- distance from ball center to weapon visual center
   720→    @weapon_hitbox_offset = 24  -- distance from ball center to hitbox center
   721→    @weapon_hitbox_length = 28  -- hitbox length (covers full dagger)
   722→    @weapon_hitbox_width = 8   -- hitbox width
   723→    @weapon_scale = 18/512  -- scale dagger to ~20 pixels
   724→
   725→    @\add collider 'ball', 'dynamic', 'circle', @radius
   726→    @collider\set_position @x, @y
   727→    @collider\set_restitution 1
   728→    @collider\set_friction 0
   729→    @collider\set_linear_damping 0
   730→
   731→    -- Add weapon hitbox (physical, 0 density so it doesn't affect ball mass/inertia)
   732→    @weapon_shape = @collider\add_box 'weapon', @weapon_hitbox_length, @weapon_hitbox_width, {offset_x: @weapon_hitbox_offset}
   733→    @collider\set_restitution 1, @weapon_shape
   734→    @collider\set_density 0, @weapon_shape
   735→
   736→    -- Add sensor for detecting ball overlaps (passes through balls, generates events)
   737→    @weapon_sensor = @collider\add_box 'weapon_hitbox', @weapon_hitbox_length, @weapon_hitbox_width, {offset_x: @weapon_hitbox_offset, sensor: true}
   738→    @collider\set_restitution 1, @weapon_sensor
... [50 more lines]

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81:an\physics_collision 'ball', 'wall'
82:an\physics_collision 'ball', 'ball'
83:an\physics_collision 'weapon', 'weapon'
84:an\physics_collision 'projectile', 'wall'
176:    @weapon_energy_boost = 1.14  -- higher because weapon collisions lose more energy
192:    This system compensates by adding energy on collisions while creating interesting
195:    1. ENERGY REDISTRIBUTION (keeps both balls active) - ball-ball collisions
204:    2. HIGH SPEED BYPASS (creates pacing/rhythm) - ball-ball collisions
210:    3. LOW HORIZONTAL VELOCITY PREVENTION (prevents stalling) - ball-ball collisions
212:       making collisions rare and gameplay stall.
213:       Solution: Track consecutive low-horizontal collisions.
217:    4. WALL FALLBACK (prevents stalling) - ball-wall collisions
219:       Solution: Track system_energy (sum of both ball speeds) on ball-ball collisions.
220:       On ball-wall collisions, probabilistically apply energy boost.
230:    6. WEAPON ENERGY BOOST (compensates for weapon collision energy loss) - weapon-weapon collisions
231:       Problem: Weapon collisions drain energy from the system.
232:       Solution: Apply @weapon_energy_boost (1.14x) on weapon-weapon collisions.
238:    for event in *an\collision_begin_events 'ball', 'ball'
338:      -- Track low horizontal velocity collisions to prevent stalling
356:      -- Visual effects at collision contact point
364:    -- Weapon-weapon collision handling
365:    for event in *an\collision_begin_events 'weapon', 'weapon'
374:      -- Apply energy boost to compensate for collision energy loss
417:    -- Ball-wall collision: probabilistically apply energy boost based on system energy
418:    for event in *an\collision_begin_events 'ball', 'wall'
862:  -- Squash ball on wall collision: horizontal wall squashes y, vertical wall squashes x
909:-- Star particle: spawns on collisions, shoots outward, spins, shrinks
1003:-- Hit effect: frame-based animation at collision points

235→    Speed is capped at @max_ball_speed to prevent things from getting too chaotic.
   236→  ]]
   237→  early_update: (dt) =>
   238→    for event in *an\collision_begin_events 'ball', 'ball'
   239→      ball_a, ball_b = event.a, event.b
   240→      vx_a, vy_a = ball_a.collider\get_velocity!
   241→      vx_b, vy_b = ball_b.collider\get_velocity!
   242→
   243→      speed_a = math.length(vx_a, vy_a)
   244→      speed_b = math.length(vx_b, vy_b)
   245→      max_speed = math.max(speed_a, speed_b)
   246→
   247→      combined_speed = speed_a + speed_b
   248→
   249→      -- Update wall energy boost system
   250→      @system_energy = speed_a + speed_b
   251→      -- Chance to apply boost: quad_out from 100% at energy 100 to 0% at energy 600
   252→      energy_ratio = math.remap(math.clamp(@system_energy, 100, 600), 100, 600, 0, 1)
   253→      @wall_boost_chance = (1 - math.quad_out(energy_ratio)) * 100
   254→      -- Boost value: max at <=250, then sine_out down to 1.0 at 400
   255→      if @system_energy <= 250
   256→        @wall_energy_boost = @max_wall_energy_boost
   257→      elseif @system_energy >= 400
   258→        @wall_energy_boost = @min_wall_energy_boost
   259→      else
   260→        boost_ratio = math.remap(@system_energy, 250, 400, 0, 1)
   261→        @wall_energy_boost = math.lerp(math.sine_out(boost_ratio), @max_wall_energy_boost, @min_wall_energy_boost)
   262→
   263→      -- Track high speed hits (either ball > 0.78*@max_ball_speed)
   264→      is_high_speed_hit = max_speed > 0.78*@max_ball_speed
... [70 more lines]

436:    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'
459:    for event in *an\sensor_begin_events 'plant_ghost', 'ball'
467:    for event in *an\sensor_begin_events 'weapon_hitbox', 'plant_ghost'

430→
   431→      -- Apply direct force to nearby plants when hitting floor (normal pointing down in screen coords)
   432→      if event.normal_y > 0.5
   433→        @\apply_direct_force_to_nearby_plants ball_object.x, ball_object.y, 75, vy
   434→
   435→    -- Weapon-ball sensor: deal damage
   436→    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'
   437→      attacker = event.b  -- ball that owns the weapon (sensor owner)
   438→      defender = event.a  -- ball that got hit (visitor)
   439→
   440→      -- Skip self-hit and same team
   441→      continue if attacker == defender
   442→      continue if attacker.team == defender.team
   443→
   444→      -- Apply damage
   445→      attacker\flash_weapon!
   446→      defender\take_damage 1, attacker
   447→
   448→      -- Hit effect on defender's edge, facing the weapon
   449→      weapon_x = attacker.x + attacker.weapon_visual_offset*math.cos(attacker.angle)
   450→      weapon_y = attacker.y + attacker.weapon_visual_offset*math.sin(attacker.angle)
   451→      hit_angle = math.angle_to_point(defender.x, defender.y, weapon_x, weapon_y)
   452→      effect_x = defender.x + 1.25*defender.radius*math.cos(hit_angle)
   453→      effect_y = defender.y + 1.25*defender.radius*math.sin(hit_angle)
   454→
   455→      @\hit_effect effect_x, effect_y
   456→      @\hit_stop 0.15
   457→
   458→    -- Ball passing through plant: apply moving force
   459→    for event in *an\sensor_begin_events 'plant_ghost', 'ball'
... [50 more lines]

1000→
  1001→
  1002→
  1003→-- Hit effect: frame-based animation at collision points
  1004→class hit_effect extends object
  1005→  new: (@x, @y, args={}) =>
  1006→    super!
  1007→    @rotation = an.random\angle!
  1008→    @scale = args.scale or 1
  1009→
  1010→    @\add animation 'hit1', 0.05, 'once',
  1011→      [0]: => @\kill!
  1012→
  1013→  update: (dt) =>
  1014→    @hit1\update dt
  1015→
  1016→    effects\push @x, @y, @rotation, @scale, @scale
  1017→    effects\animation @hit1, 0, 0
  1018→    effects\pop!
  1019→
  1020→
  1021→
  1022→-- Damage number: emoji digits that float upward and fade
  1023→class damage_number extends object
  1024→  new: (@x, @y, amount, args={}) =>
  1025→    super!
  1026→    @vy = args.vy or -24
  1027→    @duration_multiplier = args.duration_multiplier or 1
  1028→    @scale = 12/512
  1029→    @\add spring!

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

415→      @\hit_stop 0.1
   416→
   417→    -- Ball-wall collision: probabilistically apply energy boost based on system energy
   418→    for event in *an\collision_begin_events 'ball', 'wall'
   419→      ball_object = event.a
   420→      vx, vy = ball_object.collider\get_velocity!
   421→      if an.random\bool(@wall_boost_chance) and @wall_energy_boost > 1
   422→        ball_object.collider\set_velocity vx*@wall_energy_boost, vy*@wall_energy_boost
   423→      -- Squash ball based on wall orientation, intensity shaped by easing
   424→      intensity = math.clamp(math.remap(math.length(vx, vy), 0, 800, 0, 1), 0, 1)
   425→      if intensity < 0.5
   426→        intensity = 0.5*math.cubic_in_out(intensity/0.5)
   427→      else
   428→        intensity = 0.5 + 0.5*math.circ_in((intensity - 0.5)/0.5)
   429→      ball_object\squash event.normal_x, event.normal_y, 0.75*intensity
   430→
   431→      -- Apply direct force to nearby plants when hitting floor (normal pointing down in screen coords)
   432→      if event.normal_y > 0.5
   433→        @\apply_direct_force_to_nearby_plants ball_object.x, ball_object.y, 75, vy
   434→
   435→    -- Weapon-ball sensor: deal damage
   436→    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'
   437→      attacker = event.b  -- ball that owns the weapon (sensor owner)
   438→      defender = event.a  -- ball that got hit (visitor)
   439→
   440→      -- Skip self-hit and same team
   441→      continue if attacker == defender
   442→      continue if attacker.team == defender.team
   443→
   444→      -- Apply damage

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

490→      weapon_vx = -av * ball_object.weapon_visual_offset * math.sin(ball_object.angle)
   491→      plant_object\apply_moving_force math.sign(weapon_vx), math.abs(weapon_vx)
   492→
   493→  update: (dt) =>
   494→    @time_since_last_hit += dt
   495→    bg\rectangle 0, 0, gw, gh, fg!
   496→
   497→    -- Test: press K to kill a random plant
   498→    if an\key_is_pressed 'k'
   499→      alive_plants = [p for p in *@plants.children when p.apply_moving_force]
   500→      if #alive_plants > 0
   501→        plant = an.random\choice alive_plants
   502→        plant.force_count = plant.force_threshold + 10
   503→        plant\apply_moving_force an.random\sign!, 200
   504→
   505→  -- Returns 0-1 probability based on time since last hit
   506→  -- Uses remap + quint_out: 0 below 0.5, ramps quickly above
   507→  get_hit_stop_probability: =>
   508→    t = math.clamp(@time_since_last_hit/1.5, 0, 1)
   509→    if t < 0.5
   510→      0
   511→    else
   512→      math.quint_out(math.remap(t, 0.5, 1, 0, 1))
   513→
   514→  hit_effect: (x, y) =>
   515→    probability = @\get_hit_stop_probability!
   516→    hit_effect_chance = 35 + 65*probability  -- 35% at rapid hits, 100% at fresh hit
   517→
   518→    if an.random\bool hit_effect_chance
   519→      @effects\add hit_effect x, y, {scale: 1.35}

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

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

1019→
  1020→    effects\push @x, @y, @direction, @scale*@spring.main.x, @scale*@spring.main.x
  1021→    effects\image an.images.dash, 0, 0, nil, @flashing and white!
  1022→    effects\pop!
  1023→
  1024→
  1025→
  1026→-- Hit effect: frame-based animation at collision points
  1027→class hit_effect extends object
  1028→  new: (@x, @y, args={}) =>
  1029→    super!
  1030→    @rotation = an.random\angle!
  1031→    @scale = args.scale or 1
  1032→
  1033→    @\add animation 'hit1', 0.05, 'once',
  1034→      [0]: => @\kill!
  1035→
  1036→  update: (dt) =>
  1037→    @hit1\update dt
  1038→
  1039→    effects\push @x, @y, @rotation, @scale, @scale
  1040→    effects\animation @hit1, 0, 0
  1041→    effects\pop!
  1042→
  1043→
  1044→
  1045→-- Projectile: rectangle bullet that bounces off walls
  1046→class projectile extends object
  1047→  new: (@x, @y, args={}) =>
  1048→    super!
... [60 more lines]

1105→    arena_instance = an\get_object 'arena'
  1106→    if arena_instance
  1107→      arena_instance.effects\add hit_circle contact_x, contact_y, {radius: an.random\float(6, 8), duration: an.random\float(0.2, 0.4)}
  1108→      for i = 1, 3
  1109→        arena_instance.effects\add hit_particle contact_x, contact_y,
  1110→          velocity: an.random\float(60, 120)
  1111→          direction: normal_angle + an.random\float(-math.pi/4, math.pi/4)
  1112→          color: @color\clone!
  1113→
  1114→    @bounces -= 1
  1115→    if @bounces < 0
  1116→      @\kill!
  1117→
  1118→  -- Called when projectile hits a ball
  1119→  on_ball_hit: (ball_hit, contact_x, contact_y) =>
  1120→    -- Don't hit owner
  1121→    return if ball_hit == @owner
  1122→
  1123→    -- Damage the ball
  1124→    ball_hit\take_damage 5, @owner
  1125→
  1126→    -- Spawn star particles at hit location
  1127→    arena_instance = an\get_object 'arena'
  1128→    if arena_instance
  1129→      for i = 1, an.random\int(2, 4)
  1130→        arena_instance.effects\add star_particle contact_x, contact_y,
  1131→          flash_on_spawn: true
  1132→
  1133→    @\kill!
  1134→
... [10 more lines]

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

461:      defender\take_damage 1, attacker
862:  take_damage: (amount, source) =>
1108:    ball_hit\take_damage 5

860→    front\pop!
   861→
   862→  take_damage: (amount, source) =>
   863→    return unless @parent  -- Guard against events before fully added
   864→    @hp -= amount
   865→    @spring\pull 'hit', 0.3, 3, 0.7
   866→    @\flash_ball!
   867→
   868→    -- Spawn damage number above
   869→    @parent\add damage_number @x, @y - @radius - 10, amount, {duration_multiplier: 0.5}
   870→
   871→    -- Show HP bar
   872→    @hp_bar\activate!
   873→
   874→    if @hp <= 0
   875→      @\kill!
   876→
   877→  flash_weapon: (duration=0.15) =>
   878→    @weapon_flashing = true
   879→    @timer\after duration, 'weapon_flash', -> @weapon_flashing = false
   880→
   881→  flash_ball: (duration=0.15) =>
   882→    @ball_flashing = true
   883→    @timer\after duration, 'ball_flash', -> @ball_flashing = false
   884→

510→        direction: direction
   511→        owner: @player_ball
   512→
   513→  -- Returns 0-1 probability based on time since last hit
   514→  -- Uses remap + quint_out: 0 below 0.5, ramps quickly above
   515→  get_hit_stop_probability: =>
   516→    t = math.clamp(@time_since_last_hit/1.5, 0, 1)
   517→    if t < 0.5
   518→      0
   519→    else
   520→      math.quint_out(math.remap(t, 0.5, 1, 0, 1))
   521→
   522→  hit_effect: (x, y) =>
   523→    probability = @\get_hit_stop_probability!
   524→    hit_effect_chance = 35 + 65*probability  -- 35% at rapid hits, 100% at fresh hit
   525→
   526→    if an.random\bool hit_effect_chance
   527→      @effects\add hit_effect x, y, {scale: 1.35}
   528→    else
   529→      @effects\add hit_circle x, y, {radius: 9}

502→        plant.force_count = plant.force_threshold + 10
   503→        plant\apply_moving_force an.random\sign!, 200
   504→
   505→    -- Test: press P to fire a projectile from player toward enemy
   506→    if an\key_is_pressed 'p'
   507→      direction = math.angle_to_point @player_ball.x, @player_ball.y, @enemy_ball.x, @enemy_ball.y
   508→      @effects\add projectile @player_ball.x, @player_ball.y,
   509→        velocity: 150
   510→        direction: direction
   511→        owner: @player_ball
   512→
   513→  -- Returns 0-1 probability based on time since last hit
   514→  -- Uses remap + quint_out: 0 below 0.5, ramps quickly above
   515→  get_hit_stop_probability: =>
   516→    t = math.clamp(@time_since_last_hit/1.5, 0, 1)

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

No matches found

1056:    @\add collider 'projectile', 'dynamic', 'rectangle', @w, @h

1364:    @\add collider 'wall', 'static', 'box', @w, @h

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

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

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

445→      if projectile_object.on_ball_hit
   446→        mid_x = (projectile_object.x + ball_object.x)/2
   447→        mid_y = (projectile_object.y + ball_object.y)/2
   448→        projectile_object\on_ball_hit ball_object, mid_x, mid_y
   449→
   450→    -- Weapon-ball sensor: deal damage
   451→    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'
   452→      attacker = event.b  -- ball that owns the weapon (sensor owner)
   453→      defender = event.a  -- ball that got hit (visitor)
   454→
   455→      -- Skip self-hit and same team
   456→      continue if attacker == defender
   457→      continue if attacker.team == defender.team
   458→
   459→      -- Apply damage
   460→      attacker\flash_weapon!
   461→      defender\take_damage 1, attacker
   462→
   463→      -- Hit effect on defender's edge, facing the weapon
   464→      weapon_x = attacker.x + attacker.weapon_visual_offset*math.cos(attacker.angle)

434→
   435→    -- Projectile-wall collision: bounce and spawn effects
   436→    for event in *an\collision_begin_events 'projectile', 'wall'
   437→      projectile_object = event.a
   438→      if projectile_object.on_wall_hit
   439→        projectile_object\on_wall_hit event.x, event.y, event.normal_x, event.normal_y
   440→
   441→    -- Projectile-ball sensor: deal damage
   442→    for event in *an\sensor_begin_events 'projectile', 'ball'
   443→      projectile_object = event.a
   444→      ball_object = event.b
   445→      if projectile_object.on_ball_hit
   446→        mid_x = (projectile_object.x + ball_object.x)/2
   447→        mid_y = (projectile_object.y + ball_object.y)/2
   448→        projectile_object\on_ball_hit ball_object, mid_x, mid_y

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

505→    -- Test: press P to fire a projectile from player toward enemy
   506→    if an\key_is_pressed 'p'
   507→      direction = math.angle_to_point @player_ball.x, @player_ball.y, @enemy_ball.x, @enemy_ball.y
   508→      @effects\add projectile @player_ball.x, @player_ball.y,
   509→        velocity: 15
   510→        direction: direction
   511→
   512→  -- Returns 0-1 probability based on time since last hit
   513→  -- Uses remap + quint_out: 0 below 0.5, ramps quickly above
   514→  get_hit_stop_probability: =>

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

936→  new: (@x, @y, args={}) =>
   937→    super!
   938→    multiplier = args.multiplier or 1
   939→    @velocity = multiplier*(args.velocity or an.random\float 75, 150)
   940→    @direction = args.direction or an.random\angle!
   941→    @rotation = an.random\angle!
   942→    @rotation_speed = multiplier*(an.random\float -2*math.pi, 2*math.pi)
   943→    @duration = multiplier*(args.duration or an.random\float 0.4, 0.6)
   944→    @sx, @sy = multiplier*14/512, multiplier*14/512  -- star.png is 512x512, scale to ~14 pixels
   945→
   946→    @\add timer!
   947→    @timer\tween @duration, @, {velocity: 0, sx: 0, sy: 0}, math.linear, -> @\kill!
   948→
   949→  update: (dt) =>
   950→    @x += @velocity*math.cos(@direction)*dt
   951→    @y += @velocity*math.sin(@direction)*dt
   952→    @rotation += @rotation_speed*dt
   953→
   954→    effects\push @x, @y, @rotation, @sx, @sy
   955→    effects\image an.images.star, 0, 0
   956→    effects\pop!
   957→
   958→
   959→
   960→-- Hit circle: expanding/shrinking circle at impact point
   961→class hit_circle extends object
   962→  new: (@x, @y, args={}) =>
   963→    super!
   964→    @radius = args.radius or 12
   965→    @color = args.color or white\clone!
... [20 more lines]

976→-- Hit particle: rectangle that shoots outward and shrinks
   977→class hit_particle extends object
   978→  new: (@x, @y, args={}) =>
   979→    super!
   980→    @velocity = args.velocity or an.random\float 50, 150
   981→    @direction = args.direction or an.random\angle!
   982→    @color = args.color or white\clone!
   983→    @w = math.remap @velocity, 0, 250, 4, 12
   984→    @h = math.remap @velocity, 0, 250, 2, 6
   985→    @sx, @sy = 1, 1
   986→    @duration = args.duration or 0.3
   987→
   988→    @\add timer!
   989→    @timer\tween @duration, @, {velocity: 0, sx: 0, sy: 0}, math.linear, -> @\kill!
   990→
   991→  update: (dt) =>
   992→    @x += @velocity*math.cos(@direction)*dt
   993→    @y += @velocity*math.sin(@direction)*dt
   994→
   995→    effects\push @x, @y, @direction, @sx, @sy
   996→    effects\rounded_rectangle -@w/2, -@h/2, @w, @h, math.min(@w, @h)/2, @color!
   997→    effects\pop!
   998→
   999→
  1000→
  1001→-- Dash particle: spawns when ball unsticks from floor
  1002→class dash_particle extends object
  1003→  new: (@x, @y, args={}) =>
  1004→    super!
  1005→    @velocity = args.velocity or an.random\float 75, 100
... [5 more lines]

1047→-- Projectile: rectangle bullet that bounces off walls
  1048→class projectile extends object
  1049→  new: (@x, @y, args={}) =>
  1050→    super!
  1051→    @\tag 'projectile'
  1052→    @velocity = args.velocity or 10
  1053→    @direction = args.direction or 0
  1054→    @w = 15
  1055→    @h = 8
  1056→    @bounces = 2  -- bounces twice, dies on third wall hit
  1057→
  1058→    -- Physics collider
  1059→    @\add collider 'projectile', 'dynamic', 'box', @w, @h
  1060→    @collider\set_position @x, @y
  1061→    @collider\set_restitution 0.75
  1062→    @collider\set_friction 0
  1063→    @collider\set_gravity_scale 0.5
  1064→    @collider\apply_impulse @velocity*math.cos(@direction), @velocity*math.sin(@direction)
  1065→    @collider\set_bullet true  -- continuous collision detection
  1066→
  1067→    -- Visual feedback
  1068→    @\add spring!
  1069→    @spring\add 'hit', 1
  1070→    @spring\pull 'hit', 0.3  -- pop on spawn
  1071→
  1072→    @\add timer!
  1073→    @flashing = true
  1074→    @timer\after 0.1, -> @flashing = false
  1075→
  1076→  update: (dt) =>
... [40 more lines]

<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>

958→
   959→
   960→-- Hit circle: expanding/shrinking circle at impact point
   961→class hit_circle extends object
   962→  new: (@x, @y, args={}) =>
   963→    super!
   964→    @radius = args.radius or 12
   965→    @color = args.color or white\clone!
   966→    @duration = args.duration or 0.2
   967→
   968→    @\add timer!
   969→    @timer\tween @duration, @, {radius: 0}, math.cubic_in_out, -> @\kill!
   970→
   971→  update: (dt) =>
   972→    effects\circle @x, @y, @radius, @color!
   973→
   974→
   975→
   976→-- Hit particle: rectangle that shoots outward and shrinks
   977→class hit_particle extends object
   978→  new: (@x, @y, args={}) =>
   979→    super!
   980→    @velocity = args.velocity or an.random\float 50, 150
   981→    @direction = args.direction or an.random\angle!
   982→    @color = args.color or white\clone!
   983→    @w = math.remap @velocity, 0, 250, 4, 12
   984→    @h = math.remap @velocity, 0, 250, 2, 6
   985→    @sx, @sy = 1, 1
   986→    @duration = args.duration or 0.3
   987→
... [15 more lines]

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

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

1055→-- Projectile: rectangle bullet that bounces off walls
  1056→class projectile extends object
  1057→  new: (@x, @y, args={}) =>
  1058→    super!
  1059→    @\tag 'projectile'
  1060→    @velocity = args.velocity or 10
  1061→    @direction = args.direction or 0
  1062→    @w = 15
  1063→    @h = 8
  1064→    @bounces = 2  -- bounces twice, dies on third wall hit
  1065→
  1066→    -- Physics collider
  1067→    @\add collider 'projectile', 'dynamic', 'box', @w, @h
  1068→    @collider\set_position @x, @y
  1069→    @collider\set_restitution 0.75
  1070→    @collider\set_friction 0
  1071→    @collider\set_gravity_scale 0.5
  1072→    @collider\apply_impulse @velocity*math.cos(@direction), @velocity*math.sin(@direction)
  1073→    @collider\set_bullet true  -- continuous collision detection
  1074→
  1075→    -- Visual feedback
  1076→    @\add spring!
  1077→    @spring\add 'hit', 1
  1078→    @spring\pull 'hit', 0.3, 3, 0.5  -- pop on spawn
  1079→
  1080→    @\add timer!
  1081→    @flashing = true
  1082→    @timer\after 0.1, -> @flashing = false
  1083→
  1084→  update: (dt) =>
... [30 more lines]

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

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

505→    -- Test: press P to fire a projectile from player toward enemy
   506→    if an\key_is_pressed 'p'
   507→      direction = math.angle_to_point @player_ball.x, @player_ball.y, @enemy_ball.x, @enemy_ball.y
   508→      spawn_offset = @player_ball.radius + 8
   509→      spawn_x = @player_ball.x + spawn_offset*math.cos(direction)
   510→      spawn_y = @player_ball.y + spawn_offset*math.sin(direction)
   511→      @effects\add projectile spawn_x, spawn_y,
   512→        velocity: 15
   513→        direction: direction
   514→
   515→  -- Returns 0-1 probability based on time since last hit
   516→  -- Uses remap + quint_out: 0 below 0.5, ramps quickly above
   517→  get_hit_stop_probability: =>
   518→    t = math.clamp(@time_since_last_hit/1.5, 0, 1)
   519→    if t < 0.5

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

No matches found

91:an\query_circle(x, y, radius, tags) -> [object, ...]
202:layer\circle(x, y, radius, color)
258:-- shape_type: 'circle', 'box', 'capsule', 'polygon'
314:collider\add_circle(tag, radius, opts?) -> shape

960→
   961→-- Hit circle: expanding/shrinking circle at impact point
   962→class hit_circle extends object
   963→  new: (@x, @y, args={}) =>
   964→    super!
   965→    @radius = args.radius or 12
   966→    @color = args.color or white\clone!
   967→    @duration = args.duration or 0.2
   968→
   969→    @\add timer!
   970→    @timer\tween @duration, @, {radius: 0}, math.cubic_in_out, -> @\kill!
   971→
   972→    if args.flash_on_spawn
   973→      @flashing = true
   974→      @timer\after 0.1, -> @flashing = false
   975→
   976→  update: (dt) =>
   977→    effects\circle @x, @y, @radius, @color!, @flashing and white!
   978→
   979→

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

922:      ui\rounded_rectangle -@w/2, -@h/2, @w, @h, 3, @bg_color
923:      ui\rounded_rectangle -@w/2, -@h/2, fill_w, @h, 3, @flashing and white! or @fill_color
1005:    effects\rounded_rectangle -@w/2, -@h/2, @w, @h, math.min(@w, @h)/2, @color!, @flashing and white!
1096:    game\rounded_rectangle -@w/2, -@h/2, @w, @h, @h/2, yellow!, @flashing and white!

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

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

441→    -- Projectile-ball sensor: deal damage
   442→    for event in *an\sensor_begin_events 'projectile', 'ball'
   443→      projectile_object = event.a
   444→      ball_object = event.b
   445→      if projectile_object.on_ball_hit
   446→        mid_x = (projectile_object.x + ball_object.x)/2
   447→        mid_y = (projectile_object.y + ball_object.y)/2
   448→        projectile_object\on_ball_hit ball_object, mid_x, mid_y
   449→
   450→    -- Weapon-ball sensor: deal damage
   451→    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'
   452→      attacker = event.b  -- ball that owns the weapon (sensor owner)
   453→      defender = event.a  -- ball that got hit (visitor)
   454→
   455→      -- Skip self-hit and same team
   456→      continue if attacker == defender
   457→      continue if attacker.team == defender.team
   458→
   459→      -- Apply damage
   460→      attacker\flash_weapon!

77→an\physics_tag 'weapon'
    78→an\physics_tag 'weapon_hitbox'
    79→an\physics_tag 'plant_ghost'
    80→an\physics_tag 'projectile'
    81→an\physics_collision 'ball', 'wall'
    82→an\physics_collision 'ball', 'ball'
    83→an\physics_collision 'weapon', 'weapon'
    84→an\physics_collision 'projectile', 'wall'
    85→an\physics_sensor 'weapon_hitbox', 'ball'
    86→an\physics_sensor 'weapon_hitbox', 'plant_ghost'
    87→an\physics_sensor 'plant_ghost', 'ball'
    88→an\physics_sensor 'projectile', 'ball'
    89→
    90→-- Render and composite layers
    91→draw = ->

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

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

730→        p\apply_direct_force direction, intensity
   731→
   732→
   733→
   734→-- Ball class
   735→class ball extends object
   736→  new: (@x, @y, @team) =>
   737→    super!
   738→    @\tag 'ball'
   739→    @image = @team == 'player' and an.images.slight_smile or an.images.no_mouth
   740→    @radius = 10
   741→    @scale = 2*@radius/@image.width
   742→
   743→    -- Weapon setup
   744→    @weapon_image = an.images.dagger

763:    @weapon_sensor = @collider\add_box 'weapon_hitbox', @weapon_hitbox_length, @weapon_hitbox_width, {offset_x: @weapon_hitbox_offset, sensor: true}

1063→    @w = 15
  1064→    @h = 8
  1065→    @bounces = 2  -- bounces twice, dies on third wall hit
  1066→
  1067→    -- Physics collider
  1068→    @\add collider 'projectile', 'dynamic', 'box', @w, @h
  1069→    @collider\set_position @x, @y
  1070→    @collider\set_restitution 0.75
  1071→    @collider\set_friction 0
  1072→    @collider\set_gravity_scale 0.5
  1073→    @collider\apply_impulse @velocity*math.cos(@direction), @velocity*math.sin(@direction)
  1074→    @collider\set_bullet true  -- continuous collision detection
  1075→
  1076→    -- Visual feedback
  1077→    @\add spring!
  1078→    @spring\add 'hit', 1
  1079→    @spring\pull 'hit', 0.3, 3, 0.5  -- pop on spawn
  1080→
  1081→    @\add timer!
  1082→    if args.flash_on_spawn
  1083→      @flashing = true
  1084→      @timer\after 0.1, -> @flashing = false
  1085→
  1086→  update: (dt) =>
  1087→    -- Update angle to follow velocity

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

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

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

1067→
  1068→    -- Physics collider (physical shape for wall collision)
  1069→    @\add collider 'projectile', 'dynamic', 'box', @w, @h
  1070→    @collider\set_position @x, @y
  1071→    @collider\set_restitution 0.75
  1072→    @collider\set_friction 0
  1073→    @collider\set_gravity_scale 0.5
  1074→    @collider\apply_impulse @velocity*math.cos(@direction), @velocity*math.sin(@direction)
  1075→    @collider\set_bullet true  -- continuous collision detection
  1076→
  1077→    -- Sensor shape for ball detection (passes through balls)
  1078→    @ball_sensor = @collider\add_box 'projectile_sensor', @w, @h, {sensor: true}
  1079→
  1080→    -- Visual feedback
  1081→    @\add spring!

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

444→      projectile_object = event.a
   445→      ball_object = event.b
   446→      if projectile_object.on_ball_hit
   447→        mid_x = (projectile_object.x + ball_object.x)/2
   448→        mid_y = (projectile_object.y + ball_object.y)/2
   449→        projectile_object\on_ball_hit ball_object, mid_x, mid_y
   450→
   451→    -- Weapon-ball sensor: deal damage
   452→    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'
   453→      attacker = event.b  -- ball that owns the weapon (sensor owner)
   454→      defender = event.a  -- ball that got hit (visitor)
   455→
   456→      -- Skip self-hit and same team
   457→      continue if attacker == defender
   458→      continue if attacker.team == defender.team

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

1→# Engine Wants
     2→
     3→Features, fixes, or API changes needed from the Anchor engine. These get batched and tackled in Engine Mode sessions.
     4→
     5→---
     6→
     7→## Format
     8→
     9→```
    10→### [Short title]
    11→[Description of what's needed and why]
    12→```
    13→
    14→---
    15→
    16→## Pending
    17→
    18→(none currently)
    19→

No matches found

E:\a327ex\emoji-ball-battles\anchor\animation.lua
E:\a327ex\emoji-ball-battles\anchor\array.lua
E:\a327ex\emoji-ball-battles\anchor\camera.lua
E:\a327ex\emoji-ball-battles\anchor\collider.lua
E:\a327ex\emoji-ball-battles\anchor\color.lua
E:\a327ex\emoji-ball-battles\anchor\font.lua
E:\a327ex\emoji-ball-battles\anchor\image.lua
E:\a327ex\emoji-ball-battles\anchor\init.lua
E:\a327ex\emoji-ball-battles\anchor\layer.lua
E:\a327ex\emoji-ball-battles\anchor\math.lua
E:\a327ex\emoji-ball-battles\anchor\object.lua
E:\a327ex\emoji-ball-battles\anchor\random.lua
E:\a327ex\emoji-ball-battles\anchor\shake.lua
E:\a327ex\emoji-ball-battles\anchor\spring.lua
E:\a327ex\emoji-ball-battles\anchor\spritesheet.lua
E:\a327ex\emoji-ball-battles\anchor\timer.lua

E:\a327ex\emoji-ball-battles\anchor\array.yue
E:\a327ex\emoji-ball-battles\anchor\camera.yue
E:\a327ex\emoji-ball-battles\anchor\font.yue
E:\a327ex\emoji-ball-battles\anchor\image.yue
E:\a327ex\emoji-ball-battles\anchor\object.yue
E:\a327ex\emoji-ball-battles\anchor\random.yue
E:\a327ex\emoji-ball-battles\anchor\shake.yue
E:\a327ex\emoji-ball-battles\anchor\spring.yue
E:\a327ex\emoji-ball-battles\anchor\color.yue
E:\a327ex\emoji-ball-battles\anchor\collider.yue
E:\a327ex\emoji-ball-battles\anchor\init.yue
E:\a327ex\emoji-ball-battles\anchor\layer.yue
E:\a327ex\emoji-ball-battles\anchor\spritesheet.yue
E:\a327ex\emoji-ball-battles\anchor\math.yue
E:\a327ex\emoji-ball-battles\anchor\animation.yue
E:\a327ex\emoji-ball-battles\anchor\timer.yue

No matches found

No matches found

No matches found

No matches found

642:an.physics_init = function(self)return 
643:physics_init()end
652:an.physics_set_gravity = function(self, gx, gy)return 
653:physics_set_gravity(gx, gy)end
661:an.physics_set_meter_scale = function(self, scale)return 
662:physics_set_meter_scale(scale)end
671:an.physics_set_enabled = function(self, enabled)return 
672:physics_set_enabled(enabled)end
684:an.physics_tag = function(self, name)return 
685:physics_register_tag(name)end
696:an.physics_collision = function(self, tag_a, tag_b)
697:physics_enable_collision(tag_a, tag_b)local _obj_0 = 
709:an.physics_sensor = function(self, tag_a, tag_b)
710:physics_enable_sensor(tag_a, tag_b)local _obj_0 = 
722:an.physics_hit = function(self, tag_a, tag_b)
723:physics_enable_hit(tag_a, tag_b)local _obj_0 = 
740:physics_get_collision_begin(tag_a, tag_b)for _index_0 = 1, #_list_0 do local event = _list_0[_index_0]local id_a = 
741:physics_get_user_data(event.body_a)local id_b = 
742:physics_get_user_data(event.body_b)local collider_a = 
783:physics_get_collision_end(tag_a, tag_b)for _index_0 = 1, #_list_0 do local event = _list_0[_index_0]local id_a = 
784:physics_get_user_data(event.body_a)local id_b = 
785:physics_get_user_data(event.body_b)local collider_a = 
819:physics_get_sensor_begin(tag_a, tag_b)for _index_0 = 1, #_list_0 do local event = _list_0[_index_0]local id_a = 
820:physics_get_user_data(event.sensor_body)local id_b = 
821:physics_get_user_data(event.visitor_body)local collider_a = 
854:physics_get_sensor_end(tag_a, tag_b)for _index_0 = 1, #_list_0 do local event = _list_0[_index_0]local id_a = 
855:physics_get_user_data(event.sensor_body)local id_b = 
856:physics_get_user_data(event.visitor_body)local collider_a = 
892:physics_get_hit(tag_a, tag_b)for _index_0 = 1, #_list_0 do local event = _list_0[_index_0]local id_a = 
893:physics_get_user_data(event.body_a)local id_b = 
... [17 more lines]

815→
   816→
   817→an.sensor_begin_events = function(self, tag_a, tag_b)local result = 
   818→{  }local _list_0 = 
   819→physics_get_sensor_begin(tag_a, tag_b)for _index_0 = 1, #_list_0 do local event = _list_0[_index_0]local id_a = 
   820→physics_get_user_data(event.sensor_body)local id_b = 
   821→physics_get_user_data(event.visitor_body)local collider_a = 
   822→self.colliders[id_a]local collider_b = 
   823→self.colliders[id_b]if 
   824→collider_a and collider_b then if 
   825→
   826→collider_a.tag == tag_a then
   827→
   828→result[#result + 1] = { a = collider_a.parent, b = 
   829→collider_b.parent, shape_a = 
   830→event.sensor_shape, shape_b = 
   831→event.visitor_shape }else
   832→
   833→
   834→
   835→result[#result + 1] = { a = collider_b.parent, b = 
   836→collider_a.parent, shape_a = 
   837→event.visitor_shape, shape_b = 
   838→event.sensor_shape }end end end;return 
   839→
   840→result end
   841→
   842→
   843→
   844→
... [15 more lines]

790-        if collider_a.tag == tag_a
791-          result[] = {
792-            a: collider_a.parent
793-            b: collider_b.parent
794-            shape_a: event.shape_a
795-            shape_b: event.shape_b
796-          }
797-        else
798-          result[] = {
799-            a: collider_b.parent
800-            b: collider_a.parent
801-            shape_a: event.shape_b
802-            shape_b: event.shape_a
803-          }
804-    result
805-  
806-  --[[
807-    Returns sensor begin events between two tags this frame.
808-  
809-    Usage:
810:      for event in *an\sensor_begin_events 'player', 'pickup'
811-        event.a\collect event.b
812-        event.b\kill!
813-  
814-    Returns array of:
815-      {a: <object>, b: <object>, shape_a: <handle>, shape_b: <handle>}
816-  ]]
817:  an.sensor_begin_events = (tag_a, tag_b) =>
818-    result = {}
819-    for event in *physics_get_sensor_begin tag_a, tag_b
... [18 more lines]

1→global *
     2→
     3→--[[
     4→  Collider class - wraps a Box2D physics body.
     5→
     6→  A child object added to game objects. Dies when parent dies.
     7→  Name defaults to 'collider' so parent accesses it as @collider.
     8→
     9→  Usage:
    10→    @\add collider 'player', 'dynamic', 'circle', 16
    11→    @\add collider 'wall', 'static', 'box', 64, 32
    12→
    13→  Multiple colliders on one object:
    14→    hitbox = collider 'player_hitbox', 'dynamic', 'circle', 12
    15→    hitbox.name = 'hitbox'
    16→    @\add hitbox
    17→]]
    18→-- Unique ID counter for colliders
    19→collider_next_id = 1
    20→
    21→class collider extends object
    22→  new: (@tag, @body_type, @shape_type, ...) =>
    23→    super 'collider'
    24→    @body = physics_create_body @body_type, 0, 0
    25→
    26→    -- Add initial shape based on shape_type
    27→    -- Last arg can be opts table (e.g. {sensor: true})
    28→    shape_args = {...}
    29→    opts = {}
    30→    if type(shape_args[#shape_args]) == 'table'
... [139 more lines]

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

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

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

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

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

629:  an.colliders = {}        -- body_handle -> collider (internal registry)

627→
   628→  -- Physics world state
   629→  an.colliders = {}        -- body_handle -> collider (internal registry)
   630→  an.collision_pairs = {}  -- tracks enabled pairs for queries
   631→  an.sensor_pairs = {}
   632→  an.hit_pairs = {}
   633→  
   634→  --[[
   635→    Initializes the physics world.
   636→

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

815→    Returns array of:
   816→      {a: <object>, b: <object>, shape_a: <handle>, shape_b: <handle>}
   817→  ]]
   818→  an.sensor_begin_events = (tag_a, tag_b) =>
   819→    result = {}
   820→    for event in *physics_get_sensor_begin tag_a, tag_b
   821→      id_a = physics_get_user_data event.sensor_body
   822→      id_b = physics_get_user_data event.visitor_body
   823→      collider_a = @colliders[id_a]
   824→      collider_b = @colliders[id_b]
   825→      if collider_a and collider_b
   826→        -- Normalize order: a should have tag_a, b should have tag_b
   827→        if collider_a.tag == tag_a
   828→          result[] = {
   829→            a: collider_a.parent
   830→            b: collider_b.parent
   831→            shape_a: event.sensor_shape
   832→            shape_b: event.visitor_shape
   833→          }
   834→        else
   835→          result[] = {
   836→            a: collider_b.parent
   837→            b: collider_a.parent
   838→            shape_a: event.visitor_shape
   839→            shape_b: event.sensor_shape
   840→          }
   841→    result
   842→  
   843→  --[[
   844→    Returns sensor end events between two tags this frame.
... [5 more lines]

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

843→    result
   844→  
   845→  --[[
   846→    Returns sensor end events between two tags this frame.
   847→  
   848→    Usage:
   849→      for event in *an\sensor_end_events 'player', 'zone'
   850→        event.b\on_player_exit!
   851→  
   852→    Returns array of:
   853→      {a: <object>, b: <object>, shape_a: <handle>, shape_b: <handle>}
   854→  ]]
   855→  an.sensor_end_events = (tag_a, tag_b) =>
   856→    result = {}
   857→    for event in *physics_get_sensor_end tag_a, tag_b
   858→      id_a = physics_get_user_data event.sensor_body
   859→      id_b = physics_get_user_data event.visitor_body
   860→      collider_a = @colliders[id_a]
   861→      collider_b = @colliders[id_b]
   862→      if collider_a and collider_b
   863→        -- Normalize order: a should have tag_a, b should have tag_b
   864→        if collider_a.tag == tag_a
   865→          result[] = {
   866→            a: collider_a.parent
   867→            b: collider_b.parent
   868→            shape_a: event.sensor_shape
   869→            shape_b: event.visitor_shape
   870→          }
   871→        else
   872→          result[] = {

855→  an.sensor_end_events = (tag_a, tag_b) =>
   856→    result = {}
   857→    for event in *physics_get_sensor_end tag_a, tag_b
   858→      id_a = physics_get_user_data event.sensor_body
   859→      id_b = physics_get_user_data event.visitor_body
   860→      collider_a = @colliders[id_a]
   861→      collider_b = @colliders[id_b]
   862→      if collider_a and collider_b
   863→        -- Normalize order: a should have tag_a, b should have tag_b
   864→        if collider_a.tag == tag_a
   865→          result[] = {
   866→            a: collider_a.parent
   867→            b: collider_b.parent
   868→            shape_a: event.sensor_shape
   869→            shape_b: event.visitor_shape
   870→          }
   871→        else
   872→          result[] = {
   873→            a: collider_b.parent
   874→            b: collider_a.parent
   875→            shape_a: event.visitor_shape
   876→            shape_b: event.sensor_shape
   877→          }
   878→    result
   879→  
   880→  --[[
   881→    Returns hit events between two tags this frame.
   882→  
   883→    Usage:
   884→      for hit in *an\hit_events 'bullet', 'enemy'

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

745→      collider_b = @colliders[id_b]
   746→      if collider_a and collider_b
   747→        -- Normalize order: a should have tag_a, b should have tag_b
   748→        if collider_a.tag == tag_a
   749→          result[] = {
   750→            a: collider_a.parent
   751→            b: collider_b.parent
   752→            shape_a: event.shape_a
   753→            shape_b: event.shape_b
   754→            point_x: event.point_x
   755→            point_y: event.point_y
   756→            normal_x: event.normal_x
   757→            normal_y: event.normal_y
   758→          }
   759→        else
   760→          result[] = {
   761→            a: collider_b.parent
   762→            b: collider_a.parent
   763→            shape_a: event.shape_b
   764→            shape_b: event.shape_a
   765→            point_x: event.point_x
   766→            point_y: event.point_y
   767→            normal_x: -event.normal_x
   768→            normal_y: -event.normal_y
   769→          }
   770→    result
   771→  
   772→  --[[
   773→    Returns collision end events between two tags this frame.
   774→  
... [10 more lines]

725→    @hit_pairs[] = {a: tag_a, b: tag_b}
   726→  
   727→  --[[
   728→    Returns collision begin events between two tags this frame.
   729→  
   730→    Usage:
   731→      for event in *an\collision_begin_events 'player', 'enemy'
   732→        event.a\take_damage 10
   733→        spawn_particles event.point_x, event.point_y
   734→  
   735→    Returns array of:
   736→      {a: <object>, b: <object>, shape_a: <handle>, shape_b: <handle>,
   737→       point_x, point_y, normal_x, normal_y}
   738→  ]]
   739→  an.collision_begin_events = (tag_a, tag_b) =>
   740→    result = {}
   741→    for event in *physics_get_collision_begin tag_a, tag_b
   742→      id_a = physics_get_user_data event.body_a
   743→      id_b = physics_get_user_data event.body_b
   744→      collider_a = @colliders[id_a]
   745→      collider_b = @colliders[id_b]
   746→      if collider_a and collider_b
   747→        -- Normalize order: a should have tag_a, b should have tag_b
   748→        if collider_a.tag == tag_a
   749→          result[] = {
   750→            a: collider_a.parent
   751→            b: collider_b.parent
   752→            shape_a: event.shape_a
   753→            shape_b: event.shape_b
   754→            point_x: event.point_x
... [20 more lines]

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

782→  ]]
   783→  an.collision_end_events = (tag_a, tag_b) =>
   784→    result = {}
   785→    for event in *physics_get_collision_end tag_a, tag_b
   786→      id_a = physics_get_user_data event.body_a
   787→      id_b = physics_get_user_data event.body_b
   788→      collider_a = @colliders[id_a]
   789→      collider_b = @colliders[id_b]
   790→      if collider_a and collider_b
   791→        -- Normalize order: a should have tag_a, b should have tag_b
   792→        if collider_a.tag == tag_a
   793→          result[] = {
   794→            a: collider_a.parent
   795→            b: collider_b.parent
   796→            shape_a: event.shape_a
   797→            shape_b: event.shape_b
   798→          }
   799→        else
   800→          result[] = {
   801→            a: collider_b.parent
   802→            b: collider_a.parent
   803→            shape_a: event.shape_b
   804→            shape_b: event.shape_a
   805→          }
   806→    result
   807→  
   808→  --[[
   809→    Returns sensor begin events between two tags this frame.
   810→  
   811→    Usage:
... [5 more lines]

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

871-            shape_a: event.sensor_shape
872-            shape_b: event.visitor_shape
873-          }
874-        else
875-          result[] = {
876-            a: collider_b.parent
877-            b: collider_a.parent
878-            shape_a: event.visitor_shape
879-            shape_b: event.sensor_shape
880-          }
881-    result
882-  
883-  --[[
884-    Returns hit events between two tags this frame.
885-  
886-    Usage:
887-      for hit in *an\hit_events 'bullet', 'enemy'
888-        hit.a\kill!
889-        hit.b\take_damage 10
890-        spawn_particles hit.point_x, hit.point_y
891-  
892-    Returns array of:
893-      {a: <object>, b: <object>, shape_a: <handle>, shape_b: <handle>,
894-       point_x, point_y, normal_x, normal_y, approach_speed}
895-  ]]
896:  an.hit_events = (tag_a, tag_b) =>
897-    result = {}
898-    for event in *physics_get_hit tag_a, tag_b
899-      id_a = physics_get_user_data event.body_a
900-      id_b = physics_get_user_data event.body_b
... [21 more lines]

896→  an.hit_events = (tag_a, tag_b) =>
   897→    result = {}
   898→    for event in *physics_get_hit tag_a, tag_b
   899→      id_a = physics_get_user_data event.body_a
   900→      id_b = physics_get_user_data event.body_b
   901→      collider_a = @colliders[id_a]
   902→      collider_b = @colliders[id_b]
   903→      if collider_a and collider_b
   904→        -- Normalize order: a should have tag_a, b should have tag_b
   905→        if collider_a.tag == tag_a
   906→          result[] = {
   907→            a: collider_a.parent
   908→            b: collider_b.parent
   909→            shape_a: event.shape_a
   910→            shape_b: event.shape_b
   911→            point_x: event.point_x
   912→            point_y: event.point_y
   913→            normal_x: event.normal_x
   914→            normal_y: event.normal_y
   915→            approach_speed: event.approach_speed
   916→          }
   917→        else
   918→          result[] = {
   919→            a: collider_b.parent
   920→            b: collider_a.parent
   921→            shape_a: event.shape_b
   922→            shape_b: event.shape_a
   923→            point_x: event.point_x
   924→            point_y: event.point_y
   925→            normal_x: -event.normal_x
... [5 more lines]

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

444→      projectile_object = event.b  -- projectile owns the sensor
   445→      ball_object = event.a        -- ball is the visitor
   446→      if projectile_object.on_ball_hit
   447→        mid_x = (projectile_object.x + ball_object.x)/2
   448→        mid_y = (projectile_object.y + ball_object.y)/2
   449→        projectile_object\on_ball_hit ball_object, mid_x, mid_y
   450→
   451→    -- Weapon-ball sensor: deal damage
   452→    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'
   453→      attacker = event.b  -- ball that owns the weapon (sensor owner)
   454→      defender = event.a  -- ball that got hit (visitor)
   455→
   456→      -- Skip self-hit and same team
   457→      continue if attacker == defender
   458→      continue if attacker.team == defender.team

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

No matches found

239:    for event in *an\collision_begin_events 'ball', 'ball'
366:    for event in *an\collision_begin_events 'weapon', 'weapon'
419:    for event in *an\collision_begin_events 'ball', 'wall'
437:    for event in *an\collision_begin_events 'projectile', 'wall'
443:    for event in *an\sensor_begin_events 'projectile_sensor', 'ball'
452:    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'
475:    for event in *an\sensor_begin_events 'plant_ghost', 'ball'
483:    for event in *an\sensor_begin_events 'weapon_hitbox', 'plant_ghost'

419→    for event in *an\collision_begin_events 'ball', 'wall'
   420→      ball_object = event.a
   421→      vx, vy = ball_object.collider\get_velocity!
   422→      if an.random\bool(@wall_boost_chance) and @wall_energy_boost > 1
   423→        ball_object.collider\set_velocity vx*@wall_energy_boost, vy*@wall_energy_boost
   424→      -- Squash ball based on wall orientation, intensity shaped by easing
   425→      intensity = math.clamp(math.remap(math.length(vx, vy), 0, 800, 0, 1), 0, 1)
   426→      if intensity < 0.5
   427→        intensity = 0.5*math.cubic_in_out(intensity/0.5)
   428→      else
   429→        intensity = 0.5 + 0.5*math.circ_in((intensity - 0.5)/0.5)
   430→      ball_object\squash event.normal_x, event.normal_y, 0.75*intensity
   431→
   432→      -- Apply direct force to nearby plants when hitting floor (normal pointing down in screen coords)
   433→      if event.normal_y > 0.5
   434→        @\apply_direct_force_to_nearby_plants ball_object.x, ball_object.y, 75, vy
   435→
   436→    -- Projectile-wall collision: bounce and spawn effects
   437→    for event in *an\collision_begin_events 'projectile', 'wall'
   438→      projectile_object = event.a
   439→      if projectile_object.on_wall_hit
   440→        projectile_object\on_wall_hit event.point_x, event.point_y, event.normal_x, event.normal_y
   441→
   442→    -- Projectile-ball sensor: deal damage
   443→    for event in *an\sensor_begin_events 'projectile_sensor', 'ball'

473→
   474→    -- Ball passing through plant: apply moving force
   475→    for event in *an\sensor_begin_events 'plant_ghost', 'ball'
   476→      plant_object = event.a
   477→      ball_object = event.b
   478→      vx, vy = ball_object.collider\get_velocity!
   479→      -- Apply moving force based on ball's horizontal velocity
   480→      plant_object\apply_moving_force math.sign(vx), 0.3*math.abs(vx)
   481→
   482→    -- Weapon passing through plant: apply moving force
   483→    for event in *an\sensor_begin_events 'weapon_hitbox', 'plant_ghost'
   484→      -- Identify which is ball and which is plant (sensor fires both directions)
   485→      ball_object, plant_object = if event.a.weapon_visual_offset
   486→        event.a, event.b
   487→      else
   488→        event.b, event.a
   489→      -- Weapon's horizontal velocity = -angular_velocity * offset * sin(angle)
   490→      av = ball_object.collider\get_angular_velocity!
   491→      weapon_vx = -av * ball_object.weapon_visual_offset * math.sin(ball_object.angle)
   492→      plant_object\apply_moving_force math.sign(weapon_vx), math.abs(weapon_vx)
   493→
   494→  update: (dt) =>
   495→    @time_since_last_hit += dt
   496→    bg\rectangle 0, 0, gw, gh, fg!
   497→

1→global *
     2→
     3→--[[
     4→  Collider class - wraps a Box2D physics body.
     5→
     6→  A child object added to game objects. Dies when parent dies.
     7→  Name defaults to 'collider' so parent accesses it as @collider.
     8→
     9→  Usage:
    10→    @\add collider 'player', 'dynamic', 'circle', 16
    11→    @\add collider 'wall', 'static', 'box', 64, 32
    12→
    13→  Multiple colliders on one object:
    14→    hitbox = collider 'player_hitbox', 'dynamic', 'circle', 12
    15→    hitbox.name = 'hitbox'
    16→    @\add hitbox
    17→]]
    18→-- Unique ID counter for colliders
    19→collider_next_id = 1
    20→
    21→class collider extends object
    22→  new: (@tag, @body_type, @shape_type, ...) =>
    23→    super 'collider'
    24→    @body = physics_create_body @body_type, 0, 0
    25→
    26→    -- Add initial shape based on shape_type
    27→    -- Last arg can be opts table (e.g. {sensor: true})
    28→    shape_args = {...}
    29→    opts = {}
    30→    if type(shape_args[#shape_args]) == 'table'
... [30 more lines]

630:  an.shape_tags = {}       -- shape_handle -> tag (for collision event ordering)
739:  an.collision_begin_events = (tag_a, tag_b) =>
748:        shape_a_tag = @shape_tags[event.shape_a]
792:        shape_a_tag = @shape_tags[event.shape_a]
820:  an.sensor_begin_events = (tag_a, tag_b) =>
830:        sensor_tag = @shape_tags[event.sensor_shape]
866:        sensor_tag = @shape_tags[event.sensor_shape]
905:        shape_a_tag = @shape_tags[event.shape_a]

820→  an.sensor_begin_events = (tag_a, tag_b) =>
   821→    result = {}
   822→    for event in *physics_get_sensor_begin tag_a, tag_b
   823→      id_a = physics_get_user_data event.sensor_body
   824→      id_b = physics_get_user_data event.visitor_body
   825→      collider_a = @colliders[id_a]
   826→      collider_b = @colliders[id_b]
   827→      if collider_a and collider_b
   828→        -- Normalize order: a should have tag_a, b should have tag_b
   829→        -- Use shape tags (not collider tags) since shapes can have different tags
   830→        sensor_tag = @shape_tags[event.sensor_shape]
   831→        if sensor_tag == tag_a
   832→          result[] = {
   833→            a: collider_a.parent
   834→            b: collider_b.parent
   835→            shape_a: event.sensor_shape
   836→            shape_b: event.visitor_shape
   837→          }
   838→        else
   839→          result[] = {
   840→            a: collider_b.parent
   841→            b: collider_a.parent
   842→            shape_a: event.visitor_shape
   843→            shape_b: event.sensor_shape
   844→          }
   845→    result
   846→  
   847→  --[[
   848→    Returns sensor end events between two tags this frame.
   849→  
... [30 more lines]

83-an\physics_collision 'weapon', 'weapon'
84-an\physics_tag 'projectile_sensor'
85:an\physics_collision 'projectile', 'wall'
86:an\physics_sensor 'projectile_sensor', 'ball'
87-an\physics_sensor 'weapon_hitbox', 'ball'
88-an\physics_sensor 'weapon_hitbox', 'plant_ghost'
89-an\physics_sensor 'plant_ghost', 'ball'
90-
91--- Render and composite layers
92-draw = ->
93-  bg\render!
94-  back\render!
--
435-
436-    -- Projectile-wall collision: bounce and spawn effects
437:    for event in *an\collision_begin_events 'projectile', 'wall'
438-      projectile_object = event.a
439:      if projectile_object.on_wall_hit
440:        projectile_object\on_wall_hit event.point_x, event.point_y, event.normal_x, event.normal_y
441-
442-    -- Projectile-ball sensor: deal damage
443:    for event in *an\sensor_begin_events 'projectile_sensor', 'ball'
444-      projectile_object = event.a  -- projectile_sensor tag
445-      ball_object = event.b        -- ball tag
446-      if projectile_object.on_ball_hit
447-        mid_x = (projectile_object.x + ball_object.x)/2
448-        mid_y = (projectile_object.y + ball_object.y)/2
449-        projectile_object\on_ball_hit ball_object, mid_x, mid_y
450-
451-    -- Weapon-ball sensor: deal damage
... [12 more lines]

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

55→  destroy: =>
    56→    an.colliders[@id] = nil
    57→    physics_destroy_body @body
    58→
    59→  -- Position
    60→  get_position: => physics_get_position @body
    61→  set_position: (x, y) => physics_set_position @body, x, y
    62→  get_angle: => physics_get_angle @body
    63→  set_angle: (angle) => physics_set_angle @body, angle
    64→
    65→  -- Velocity
    66→  get_velocity: => physics_get_velocity @body
    67→  set_velocity: (vx, vy) => physics_set_velocity @body, vx, vy
    68→  get_angular_velocity: => physics_get_angular_velocity @body
    69→  set_angular_velocity: (av) => physics_set_angular_velocity @body, av
    70→
    71→  -- Forces & impulses
    72→  apply_force: (fx, fy) => physics_apply_force @body, fx, fy
    73→  apply_force_at: (fx, fy, px, py) => physics_apply_force_at @body, fx, fy, px, py
    74→  apply_impulse: (ix, iy) => physics_apply_impulse @body, ix, iy
    75→  apply_impulse_at: (ix, iy, px, py) => physics_apply_impulse_at @body, ix, iy, px, py
    76→  apply_torque: (torque) => physics_apply_torque @body, torque
    77→  apply_angular_impulse: (impulse) => physics_apply_angular_impulse @body, impulse
    78→
    79→  -- Body properties
    80→  set_linear_damping: (damping) => physics_set_linear_damping @body, damping
    81→  set_angular_damping: (damping) => physics_set_angular_damping @body, damping
    82→  set_gravity_scale: (scale) => physics_set_gravity_scale @body, scale
    83→  set_fixed_rotation: (fixed) => physics_set_fixed_rotation @body, fixed
    84→  set_bullet: (bullet) => physics_set_bullet @body, bullet

21→class collider extends object
    22→  new: (@tag, @body_type, @shape_type, ...) =>
    23→    super 'collider'
    24→    @body = physics_create_body @body_type, 0, 0
    25→
    26→    -- Add initial shape based on shape_type
    27→    -- Last arg can be opts table (e.g. {sensor: true})
    28→    shape_args = {...}
    29→    opts = {}
    30→    if type(shape_args[#shape_args]) == 'table'
    31→      opts = table.remove shape_args
    32→    @shape = switch @shape_type
    33→      when 'circle'
    34→        physics_add_circle @body, @tag, shape_args[1], opts
    35→      when 'box'
    36→        physics_add_box @body, @tag, shape_args[1], shape_args[2], opts
    37→      when 'capsule'
    38→        physics_add_capsule @body, @tag, shape_args[1], shape_args[2], opts
    39→      when 'polygon'
    40→        physics_add_polygon @body, @tag, shape_args[1], opts
    41→
    42→    -- Track shape -> tag mapping for collision event ordering
    43→    an.shape_tags[@shape] = @tag
    44→
    45→    -- Register with unique ID (userdata can't be compared directly)
    46→    @id = collider_next_id
    47→    collider_next_id += 1
    48→    physics_set_user_data @body, @id
    49→    an.colliders[@id] = @
    50→
... [5 more lines]

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

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

100→    Adds an additional circle shape to this body.
   101→
   102→    Usage:
   103→      shape = @collider\add_circle 'hitbox', 8, {offset_x: 10}
   104→
   105→    Returns: shape handle
   106→  ]]
   107→  add_circle: (tag, radius, opts={}) =>
   108→    shape = physics_add_circle @body, tag, radius, opts
   109→    an.shape_tags[shape] = tag
   110→    shape
   111→
   112→  --[[
   113→    Adds an additional box shape to this body.
   114→
   115→    Usage:
   116→      shape = @collider\add_box 'hitbox', 32, 16, {offset_x: 0, offset_y: -8}
   117→
   118→    Returns: shape handle
   119→  ]]
   120→  add_box: (tag, width, height, opts={}) =>
   121→    shape = physics_add_box @body, tag, width, height, opts
   122→    an.shape_tags[shape] = tag
   123→    shape
   124→
   125→  --[[
   126→    Adds an additional capsule shape to this body.
   127→
   128→    Usage:
   129→      shape = @collider\add_capsule 'hitbox', 24, 8
... [20 more lines]

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

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

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

148→    Vertices are a flat array: {x1, y1, x2, y2, ...}
   149→    Returns: shape handle
   150→  ]]
   151→  add_polygon: (tag, vertices, opts={}) =>
   152→    shape = physics_add_polygon @body, tag, vertices, opts
   153→    an.shape_tags[shape] = tag
   154→    shape
   155→
   156→  --[[
   157→    Returns the total mass of this body (sum of all shape densities * areas).

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

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

E:\a327ex\Anchor\engine\src\anchor.c:596:static int physics_get_shape_tag(b2ShapeId shape_id) {
E:\a327ex\Anchor\engine\src\anchor.c:616:        int tag_a = physics_get_shape_tag(e->shapeIdA);
E:\a327ex\Anchor\engine\src\anchor.c:617:        int tag_b = physics_get_shape_tag(e->shapeIdB);
E:\a327ex\Anchor\engine\src\anchor.c:649:        // Note: shapes may have been destroyed, but we still record the event
E:\a327ex\Anchor\engine\src\anchor.c:650:        int tag_a = b2Shape_IsValid(e->shapeIdA) ? physics_get_shape_tag(e->shapeIdA) : -1;
E:\a327ex\Anchor\engine\src\anchor.c:651:        int tag_b = b2Shape_IsValid(e->shapeIdB) ? physics_get_shape_tag(e->shapeIdB) : -1;
E:\a327ex\Anchor\engine\src\anchor.c:667:        int tag_a = physics_get_shape_tag(e->shapeIdA);
E:\a327ex\Anchor\engine\src\anchor.c:668:        int tag_b = physics_get_shape_tag(e->shapeIdB);
E:\a327ex\Anchor\engine\src\anchor.c:694:        int sensor_tag = physics_get_shape_tag(e->sensorShapeId);
E:\a327ex\Anchor\engine\src\anchor.c:695:        int visitor_tag = physics_get_shape_tag(e->visitorShapeId);
E:\a327ex\Anchor\engine\src\anchor.c:710:        // Note: shapes may have been destroyed
E:\a327ex\Anchor\engine\src\anchor.c:711:        int sensor_tag = b2Shape_IsValid(e->sensorShapeId) ? physics_get_shape_tag(e->sensorShapeId) : -1;
E:\a327ex\Anchor\engine\src\anchor.c:712:        int visitor_tag = b2Shape_IsValid(e->visitorShapeId) ? physics_get_shape_tag(e->visitorShapeId) : -1;
E:\a327ex\Anchor\engine\src\anchor.c:5664:static int l_physics_shape_set_friction(lua_State* L) {
E:\a327ex\Anchor\engine\src\anchor.c:5674:static int l_physics_shape_get_friction(lua_State* L) {
E:\a327ex\Anchor\engine\src\anchor.c:5684:static int l_physics_shape_set_restitution(lua_State* L) {
E:\a327ex\Anchor\engine\src\anchor.c:5694:static int l_physics_shape_get_restitution(lua_State* L) {
E:\a327ex\Anchor\engine\src\anchor.c:5704:static int l_physics_shape_is_valid(lua_State* L) {
E:\a327ex\Anchor\engine\src\anchor.c:5714:static int l_physics_shape_get_body(lua_State* L) {
E:\a327ex\Anchor\engine\src\anchor.c:5725:static int l_physics_shape_set_density(lua_State* L) {
E:\a327ex\Anchor\engine\src\anchor.c:5735:static int l_physics_shape_get_density(lua_State* L) {
E:\a327ex\Anchor\engine\src\anchor.c:5827:// physics_get_collision_begin(tag_a, tag_b) -> array of {body_a, body_b, shape_a, shape_b, point_x, point_y, normal_x, normal_y}
E:\a327ex\Anchor\engine\src\anchor.c:5881:// physics_get_collision_end(tag_a, tag_b) -> array of {body_a, body_b, shape_a, shape_b}
E:\a327ex\Anchor\engine\src\anchor.c:5925:// physics_get_hit(tag_a, tag_b) -> array of {body_a, body_b, shape_a, shape_b, point_x, point_y, normal_x, normal_y, approach_speed}
E:\a327ex\Anchor\engine\src\anchor.c:5981:// physics_get_sensor_begin(tag_a, tag_b) -> array of {sensor_body, visitor_body, sensor_shape, visitor_shape}
E:\a327ex\Anchor\engine\src\anchor.c:6025:// physics_get_sensor_end(tag_a, tag_b) -> array of {sensor_body, visitor_body, sensor_shape, visitor_shape}
E:\a327ex\Anchor\engine\src\anchor.c:6420:// physics_raycast(x1, y1, x2, y2, tags) -> {body, shape, point_x, point_y, normal_x, normal_y, fraction} or nil
E:\a327ex\Anchor\engine\src\anchor.c:6485:// physics_raycast_all(x1, y1, x2, y2, tags) -> array of {body, shape, point_x, point_y, normal_x, normal_y, fraction}
E:\a327ex\Anchor\engine\src\anchor.c:7593:    lua_register(L, "physics_shape_set_friction", l_physics_shape_set_friction);
E:\a327ex\Anchor\engine\src\anchor.c:7594:    lua_register(L, "physics_shape_get_friction", l_physics_shape_get_friction);
... [6 more lines]

239:    for event in *an\collision_begin_events 'ball', 'ball'
240-      ball_a, ball_b = event.a, event.b
241-      vx_a, vy_a = ball_a.collider\get_velocity!
242-      vx_b, vy_b = ball_b.collider\get_velocity!
243-
244-      speed_a = math.length(vx_a, vy_a)
245-      speed_b = math.length(vx_b, vy_b)
246-      max_speed = math.max(speed_a, speed_b)
247-
248-      combined_speed = speed_a + speed_b
249-
--
366:    for event in *an\collision_begin_events 'weapon', 'weapon'
367-      ball_a, ball_b = event.a, event.b
368-
369-      -- Reset angular velocity guardrails (let physics do its thing)
370-      ball_a.time_above_base = 0
371-      ball_a.time_below_base = 0
372-      ball_b.time_above_base = 0
373-      ball_b.time_below_base = 0
374-
375-      -- Apply energy boost to compensate for collision energy loss
376-      vx_a, vy_a = ball_a.collider\get_velocity!
--
419:    for event in *an\collision_begin_events 'ball', 'wall'
420-      ball_object = event.a
421-      vx, vy = ball_object.collider\get_velocity!
422-      if an.random\bool(@wall_boost_chance) and @wall_energy_boost > 1
423-        ball_object.collider\set_velocity vx*@wall_energy_boost, vy*@wall_energy_boost
424-      -- Squash ball based on wall orientation, intensity shaped by easing
... [52 more lines]

<tool_use_error>File has not been read yet. Read it first before writing to it.</tool_use_error>

480→      plant_object\apply_moving_force math.sign(vx), 0.3*math.abs(vx)
   481→
   482→    -- Weapon passing through plant: apply moving force
   483→    for event in *an\sensor_begin_events 'weapon_hitbox', 'plant_ghost'
   484→      -- Identify which is ball and which is plant (sensor fires both directions)
   485→      ball_object, plant_object = if event.a.weapon_visual_offset
   486→        event.a, event.b
   487→      else
   488→        event.b, event.a
   489→      -- Weapon's horizontal velocity = -angular_velocity * offset * sin(angle)
   490→      av = ball_object.collider\get_angular_velocity!
   491→      weapon_vx = -av * ball_object.weapon_visual_offset * math.sin(ball_object.angle)
   492→      plant_object\apply_moving_force math.sign(weapon_vx), math.abs(weapon_vx)
   493→
   494→  update: (dt) =>
   495→    @time_since_last_hit += dt
   496→    bg\rectangle 0, 0, gw, gh, fg!
   497→
   498→    -- Test: press K to kill a random plant
   499→    if an\key_is_pressed 'k'

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

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

820→  an.sensor_begin_events = (tag_a, tag_b) =>
   821→    result = {}
   822→    for event in *physics_get_sensor_begin tag_a, tag_b
   823→      id_a = physics_get_user_data event.sensor_body
   824→      id_b = physics_get_user_data event.visitor_body
   825→      collider_a = @colliders[id_a]
   826→      collider_b = @colliders[id_b]
   827→      if collider_a and collider_b
   828→        -- Normalize order: a should have tag_a, b should have tag_b
   829→        -- Use shape tags (not collider tags) since shapes can have different tags
   830→        sensor_tag = @shape_tags[event.sensor_shape]
   831→        if sensor_tag == tag_a
   832→          result[] = {
   833→            a: collider_a.parent
   834→            b: collider_b.parent
   835→            shape_a: event.sensor_shape
   836→            shape_b: event.visitor_shape
   837→          }
   838→        else
   839→          result[] = {
   840→            a: collider_b.parent
   841→            b: collider_a.parent
   842→            shape_a: event.visitor_shape
   843→            shape_b: event.sensor_shape
   844→          }
   845→    result
   846→  
   847→  --[[
   848→    Returns sensor end events between two tags this frame.
   849→  
... [35 more lines]

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

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

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

739→  an.collision_begin_events = (tag_a, tag_b) =>
   740→    result = {}
   741→    for event in *physics_get_collision_begin tag_a, tag_b
   742→      id_a = physics_get_user_data event.body_a
   743→      id_b = physics_get_user_data event.body_b
   744→      collider_a = @colliders[id_a]
   745→      collider_b = @colliders[id_b]
   746→      if collider_a and collider_b
   747→        -- Normalize order: a should have tag_a, b should have tag_b
   748→        shape_a_tag = @shape_tags[event.shape_a]
   749→        if shape_a_tag == tag_a
   750→          result[] = {
   751→            a: collider_a.parent
   752→            b: collider_b.parent
   753→            shape_a: event.shape_a
   754→            shape_b: event.shape_b
   755→            point_x: event.point_x
   756→            point_y: event.point_y
   757→            normal_x: event.normal_x
   758→            normal_y: event.normal_y
   759→          }
   760→        else
   761→          result[] = {
   762→            a: collider_b.parent
   763→            b: collider_a.parent
   764→            shape_a: event.shape_b
   765→            shape_b: event.shape_a
   766→            point_x: event.point_x
   767→            point_y: event.point_y
   768→            normal_x: -event.normal_x
... [25 more lines]

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

783→      {a: <object>, b: <object>, shape_a: <handle>, shape_b: <handle>}
   784→  ]]
   785→  an.collision_end_events = (tag_a, tag_b) =>
   786→    result = {}
   787→    for event in *physics_get_collision_end tag_a, tag_b
   788→      id_a = physics_get_user_data event.body_a
   789→      id_b = physics_get_user_data event.body_b
   790→      collider_a = @colliders[id_a]
   791→      collider_b = @colliders[id_b]
   792→      if collider_a and collider_b
   793→        -- Normalize order: a should have tag_a, b should have tag_b
   794→        shape_a_tag = @shape_tags[event.shape_a]
   795→        if shape_a_tag == tag_a
   796→          result[] = {
   797→            a: collider_a.parent
   798→            b: collider_b.parent
   799→            shape_a: event.shape_a
   800→            shape_b: event.shape_b
   801→          }
   802→        else
   803→          result[] = {
   804→            a: collider_b.parent
   805→            b: collider_a.parent
   806→            shape_a: event.shape_b
   807→            shape_b: event.shape_a
   808→          }
   809→    result
   810→  
   811→  --[[
   812→    Returns sensor begin events between two tags this frame.
... [30 more lines]

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

890→  --[[
   891→    Returns hit events between two tags this frame.
   892→  
   893→    Usage:
   894→      for hit in *an\hit_events 'bullet', 'enemy'
   895→        hit.a\kill!
   896→        hit.b\take_damage 10
   897→        spawn_particles hit.point_x, hit.point_y
   898→  
   899→    Returns array of:
   900→      {a: <object>, b: <object>, shape_a: <handle>, shape_b: <handle>,
   901→       point_x, point_y, normal_x, normal_y, approach_speed}
   902→  ]]
   903→  an.hit_events = (tag_a, tag_b) =>
   904→    result = {}
   905→    for event in *physics_get_hit tag_a, tag_b
   906→      id_a = physics_get_user_data event.body_a
   907→      id_b = physics_get_user_data event.body_b
   908→      collider_a = @colliders[id_a]
   909→      collider_b = @colliders[id_b]
   910→      if collider_a and collider_b
   911→        -- Normalize order: a should have tag_a, b should have tag_b
   912→        shape_a_tag = @shape_tags[event.shape_a]
   913→        if shape_a_tag == tag_a
   914→          result[] = {
   915→            a: collider_a.parent
   916→            b: collider_b.parent
   917→            shape_a: event.shape_a
   918→            shape_b: event.shape_b
   919→            point_x: event.point_x
... [20 more lines]

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

No matches found

73-an\physics_init!
74-an\physics_set_gravity 0, 384
75:an\physics_tag 'wall'
76-an\physics_tag 'ball'
77-an\physics_tag 'weapon'
78-an\physics_tag 'weapon_hitbox'
79-an\physics_tag 'plant_ghost'
80-an\physics_tag 'projectile'
81:an\physics_collision 'ball', 'wall'
82-an\physics_collision 'ball', 'ball'
83-an\physics_collision 'weapon', 'weapon'
84-an\physics_tag 'projectile_sensor'
85:an\physics_collision 'projectile', 'wall'
86-an\physics_sensor 'projectile_sensor', 'ball'
87-an\physics_sensor 'weapon_hitbox', 'ball'
88-an\physics_sensor 'weapon_hitbox', 'plant_ghost'
89-an\physics_sensor 'plant_ghost', 'ball'
90-
91--- Render and composite layers
92-draw = ->
93-  bg\render!
94-  back\render!
95-  game\render!
--
1063-    @bounces = 2  -- bounces twice, dies on third wall hit
1064-
1065:    -- Physics collider (physical shape for wall collision)
1066-    @\add collider 'projectile', 'dynamic', 'box', @w, @h
1067-    @collider\set_position @x, @y
1068-    @collider\set_restitution 0.75
... [21 more lines]

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

625-      @hit_stop_excluded_tags = {}
626-      @time_scale = @pre_hitstop_time_scale
627-
628-  -- Physics world state
629-  an.colliders = {}        -- body_handle -> collider (internal registry)
630:  an.shape_tags = {}       -- shape_handle -> tag (for collision event ordering)
631-  an.collision_pairs = {}  -- tracks enabled pairs for queries
632-  an.sensor_pairs = {}
633-  an.hit_pairs = {}
634-  
635-  --[[

628-
629-an.colliders = {  }
630:an.shape_tags = {  }
631-an.collision_pairs = {  }
632-an.sensor_pairs = {  }
--
747-
748-
749:self.shape_tags[event.shape_a]local shape_b_tag = 
750:self.shape_tags[event.shape_b]if 
751-shape_a_tag == tag_a and shape_b_tag == tag_b then
752-
--
793-
794-
795:self.shape_tags[event.shape_a]local shape_b_tag = 
796:self.shape_tags[event.shape_b]if 
797-shape_a_tag == tag_a and shape_b_tag == tag_b then
798-
--
832-
833-
834:self.shape_tags[event.sensor_shape]local visitor_tag = 
835:self.shape_tags[event.visitor_shape]if 
836-sensor_tag == tag_a and visitor_tag == tag_b then
837-
--
870-
871-
872:self.shape_tags[event.sensor_shape]local visitor_tag = 
... [10 more lines]

745→      collider_b = @colliders[id_b]
   746→      if collider_a and collider_b
   747→        -- Normalize order: a should have tag_a, b should have tag_b
   748→        -- Check both shape tags explicitly
   749→        shape_a_tag = @shape_tags[event.shape_a]
   750→        shape_b_tag = @shape_tags[event.shape_b]
   751→        if shape_a_tag == tag_a and shape_b_tag == tag_b
   752→          result[] = {
   753→            a: collider_a.parent
   754→            b: collider_b.parent
   755→            shape_a: event.shape_a
   756→            shape_b: event.shape_b
   757→            point_x: event.point_x
   758→            point_y: event.point_y
   759→            normal_x: event.normal_x
   760→            normal_y: event.normal_y
   761→          }
   762→        elseif shape_a_tag == tag_b and shape_b_tag == tag_a
   763→          result[] = {
   764→            a: collider_b.parent

745-self.colliders[id_b]if 
746:collider_a and collider_b then local shape_a_tag = 
747-
748-
749:self.shape_tags[event.shape_a]local shape_b_tag = 
750-self.shape_tags[event.shape_b]if 
751:shape_a_tag == tag_a and shape_b_tag == tag_b then
752-
--
761-
762:shape_a_tag == tag_b and shape_b_tag == tag_a then
763-
--
791-self.colliders[id_b]if 
792:collider_a and collider_b then local shape_a_tag = 
793-
794-
795:self.shape_tags[event.shape_a]local shape_b_tag = 
796-self.shape_tags[event.shape_b]if 
797:shape_a_tag == tag_a and shape_b_tag == tag_b then
798-
--
803-
804:shape_a_tag == tag_b and shape_b_tag == tag_a then
805-
--
909-self.colliders[id_b]if 
910:collider_a and collider_b then local shape_a_tag = 
911-
912-
... [8 more lines]

743-      id_b = physics_get_user_data event.body_b
744:      collider_a = @colliders[id_a]
745:      collider_b = @colliders[id_b]
746-      if collider_a and collider_b
--
748-        -- Check both shape tags explicitly
749:        shape_a_tag = @shape_tags[event.shape_a]
750:        shape_b_tag = @shape_tags[event.shape_b]
751-        if shape_a_tag == tag_a and shape_b_tag == tag_b
--
789-      id_b = physics_get_user_data event.body_b
790:      collider_a = @colliders[id_a]
791:      collider_b = @colliders[id_b]
792-      if collider_a and collider_b
--
794-        -- Check both shape tags explicitly
795:        shape_a_tag = @shape_tags[event.shape_a]
796:        shape_b_tag = @shape_tags[event.shape_b]
797-        if shape_a_tag == tag_a and shape_b_tag == tag_b
--
828-      id_b = physics_get_user_data event.visitor_body
829:      collider_a = @colliders[id_a]
830:      collider_b = @colliders[id_b]
831-      if collider_a and collider_b
--
833-        -- Check both shape tags to handle sensor-sensor events correctly
834:        sensor_tag = @shape_tags[event.sensor_shape]
835:        visitor_tag = @shape_tags[event.visitor_shape]
836-        if sensor_tag == tag_a and visitor_tag == tag_b
--
... [51 more lines]

740→{  }local _list_0 = 
   741→physics_get_collision_begin(tag_a, tag_b)for _index_0 = 1, #_list_0 do local event = _list_0[_index_0]local id_a = 
   742→physics_get_user_data(event.body_a)local id_b = 
   743→physics_get_user_data(event.body_b)local collider_a = 
   744→self.colliders[id_a]local collider_b = 
   745→self.colliders[id_b]if 
   746→collider_a and collider_b then local shape_a_tag = 
   747→
   748→
   749→self.shape_tags[event.shape_a]local shape_b_tag = 
   750→self.shape_tags[event.shape_b]if 
   751→shape_a_tag == tag_a and shape_b_tag == tag_b then
   752→
   753→result[#result + 1] = { a = collider_a.parent, b = 
   754→collider_b.parent, shape_a = 
   755→event.shape_a, shape_b = 
   756→event.shape_b, point_x = 
   757→event.point_x, point_y = 
   758→event.point_y, normal_x = 
   759→event.normal_x, normal_y = 
   760→event.normal_y }elseif 
   761→
   762→shape_a_tag == tag_b and shape_b_tag == tag_a then
   763→
   764→result[#result + 1] = { a = collider_b.parent, b = 
   765→collider_a.parent, shape_a = 
   766→event.shape_b, shape_b = 
   767→event.shape_a, point_x = 
   768→event.point_x, point_y = 
   769→event.point_y, normal_x = -

746→      if collider_a and collider_b
   747→        -- Normalize order: a should have tag_a, b should have tag_b
   748→        -- Check both shape tags explicitly
   749→        shape_a_tag = @shape_tags[event.shape_a]
   750→        shape_b_tag = @shape_tags[event.shape_b]
   751→        if shape_a_tag == tag_a and shape_b_tag == tag_b
   752→          result[] = {
   753→            a: collider_a.parent

E:\a327ex\emoji-ball-battles\anchor\init.lua:79:an = object('an')

1→global *
     2→
     3→--[[
     4→  Collider class - wraps a Box2D physics body.
     5→
     6→  A child object added to game objects. Dies when parent dies.
     7→  Name defaults to 'collider' so parent accesses it as @collider.
     8→
     9→  Usage:
    10→    @\add collider 'player', 'dynamic', 'circle', 16
    11→    @\add collider 'wall', 'static', 'box', 64, 32
    12→
    13→  Multiple colliders on one object:
    14→    hitbox = collider 'player_hitbox', 'dynamic', 'circle', 12
    15→    hitbox.name = 'hitbox'
    16→    @\add hitbox
    17→]]
    18→-- Unique ID counter for colliders
    19→collider_next_id = 1
    20→
    21→class collider extends object
    22→  new: (@tag, @body_type, @shape_type, ...) =>
    23→    super 'collider'
    24→    @body = physics_create_body @body_type, 0, 0
    25→    @shapes = {}  -- track all shapes for cleanup
    26→
    27→    -- Add initial shape based on shape_type
    28→    -- Last arg can be opts table (e.g. {sensor: true})
    29→    shape_args = {...}
    30→    opts = {}
... [20 more lines]

1→--[[
     2→  Anchor framework initialization.
     3→
     4→  This file:
     5→    1. Requires all framework classes (object, layer, image, font)
     6→    2. Returns an init function that takes configuration
     7→    3. The init function creates the root 'an' object and sets up the framework
     8→    4. Defines the global update() function called by the C engine
     9→
    10→  Usage:
    11→    require('anchor') {
    12→      width: 640
    13→      height: 360
    14→      title: "My Game"
    15→      scale: 2
    16→      vsync: true
    17→      fullscreen: false
    18→      resizable: true
    19→      filter: "rough"
    20→    }
    21→
    22→  The 'an' object is the root of the object tree and the central access point
    23→  for all framework resources (layers, images, fonts).
    24→]]
    25→
    26→-- Load framework classes (doesn't require engine to be initialized)
    27→require 'anchor.object'
    28→require 'anchor.layer'
    29→require 'anchor.image'
    30→require 'anchor.font'
... [55 more lines]

625→      @hit_stop_excluded_tags = {}
   626→      @time_scale = @pre_hitstop_time_scale
   627→
   628→  -- Physics world state
   629→  an.colliders = {}        -- body_handle -> collider (internal registry)
   630→  an.shape_tags = {}       -- shape_handle -> tag (for collision event ordering)
   631→  an.collision_pairs = {}  -- tracks enabled pairs for queries
   632→  an.sensor_pairs = {}
   633→  an.hit_pairs = {}
   634→  
   635→  --[[
   636→    Initializes the physics world.
   637→  
   638→    Usage:
   639→      an\physics_init!

628-
629-an.colliders = {  }
630:an.shape_tags = {  }
631-an.collision_pairs = {  }
632-an.sensor_pairs = {  }
--
747-
748-
749:self.shape_tags[event.shape_a]local shape_b_tag = 
750:self.shape_tags[event.shape_b]
751-print(event.shape_a, event.shape_b, shape_a_tag, shape_b_tag)if 
752-shape_a_tag == tag_a and shape_b_tag == tag_b then
--
794-
795-
796:self.shape_tags[event.shape_a]local shape_b_tag = 
797:self.shape_tags[event.shape_b]if 
798-shape_a_tag == tag_a and shape_b_tag == tag_b then
799-
--
823-
824-
825:an.sensor_begin_events = function(self, tag_a, tag_b)local result = 
826-{  }local _list_0 = 
827-physics_get_sensor_begin(tag_a, tag_b)for _index_0 = 1, #_list_0 do local event = _list_0[_index_0]local id_a = 
--
833-
834-
835:self.shape_tags[event.sensor_shape]local visitor_tag = 
836:self.shape_tags[event.visitor_shape]if 
... [16 more lines]

822→      {a: <object>, b: <object>, shape_a: <handle>, shape_b: <handle>}
   823→  ]]
   824→  an.sensor_begin_events = (tag_a, tag_b) =>
   825→    result = {}
   826→    for event in *physics_get_sensor_begin tag_a, tag_b
   827→      id_a = physics_get_user_data event.sensor_body
   828→      id_b = physics_get_user_data event.visitor_body
   829→      collider_a = @colliders[id_a]
   830→      collider_b = @colliders[id_b]
   831→      if collider_a and collider_b
   832→        -- Normalize order: a should have tag_a, b should have tag_b
   833→        -- Check both shape tags to handle sensor-sensor events correctly
   834→        sensor_tag = @shape_tags[event.sensor_shape]
   835→        visitor_tag = @shape_tags[event.visitor_shape]
   836→        if sensor_tag == tag_a and visitor_tag == tag_b
   837→          result[] = {
   838→            a: collider_a.parent
   839→            b: collider_b.parent
   840→            shape_a: event.sensor_shape
   841→            shape_b: event.visitor_shape

825→an.sensor_begin_events = function(self, tag_a, tag_b)local result = 
   826→{  }local _list_0 = 
   827→physics_get_sensor_begin(tag_a, tag_b)for _index_0 = 1, #_list_0 do local event = _list_0[_index_0]local id_a = 
   828→physics_get_user_data(event.sensor_body)local id_b = 
   829→physics_get_user_data(event.visitor_body)local collider_a = 
   830→self.colliders[id_a]local collider_b = 
   831→self.colliders[id_b]if 
   832→collider_a and collider_b then local sensor_tag = 
   833→
   834→
   835→self.shape_tags[event.sensor_shape]local visitor_tag = 
   836→self.shape_tags[event.visitor_shape]if 
   837→sensor_tag == tag_a and visitor_tag == tag_b then
   838→
   839→result[#result + 1] = { a = collider_a.parent, b = 
   840→collider_b.parent, shape_a = 
   841→event.sensor_shape, shape_b = 
   842→event.visitor_shape }elseif 
   843→
   844→sensor_tag == tag_b and visitor_tag == tag_a then

21→class collider extends object
    22→  new: (@tag, @body_type, @shape_type, ...) =>
    23→    super 'collider'
    24→    @body = physics_create_body @body_type, 0, 0
    25→    @shapes = {}  -- track all shapes for cleanup
    26→
    27→    -- Add initial shape based on shape_type
    28→    -- Last arg can be opts table (e.g. {sensor: true})
    29→    shape_args = {...}
    30→    opts = {}
    31→    if type(shape_args[#shape_args]) == 'table'
    32→      opts = table.remove shape_args
    33→    @shape = switch @shape_type
    34→      when 'circle'
    35→        physics_add_circle @body, @tag, shape_args[1], opts
    36→      when 'box'
    37→        physics_add_box @body, @tag, shape_args[1], shape_args[2], opts
    38→      when 'capsule'
    39→        physics_add_capsule @body, @tag, shape_args[1], shape_args[2], opts
    40→      when 'polygon'
    41→        physics_add_polygon @body, @tag, shape_args[1], opts
    42→
    43→    -- Track shape -> tag mapping for collision event ordering
    44→    an.shape_tags[@shape] = @tag
    45→    @shapes[] = @shape
    46→
    47→    -- Register with unique ID (userdata can't be compared directly)
    48→    @id = collider_next_id
    49→    collider_next_id += 1
    50→    physics_set_user_data @body, @id
... [5 more lines]

107→    shape = physics_add_circle @body, tag, radius, opts
   108→    an.shape_tags[shape] = tag
   109→    @shapes[] = shape
   110→    shape
   111→
   112→  --[[
   113→    Adds an additional box shape to this body.
   114→
   115→    Usage:
   116→      shape = @collider\add_box 'hitbox', 32, 16, {offset_x: 0, offset_y: -8}
   117→
   118→    Returns: shape handle
   119→  ]]
   120→  add_box: (tag, width, height, opts={}) =>
   121→    shape = physics_add_box @body, tag, width, height, opts
   122→    an.shape_tags[shape] = tag
   123→    @shapes[] = shape
   124→    shape
   125→
   126→  --[[
   127→    Adds an additional capsule shape to this body.
   128→
   129→    Usage:
   130→      shape = @collider\add_capsule 'hitbox', 24, 8
   131→
   132→    Returns: shape handle
   133→  ]]
   134→  add_capsule: (tag, length, radius, opts={}) =>
   135→    shape = physics_add_capsule @body, tag, length, radius, opts
   136→    an.shape_tags[shape] = tag
... [20 more lines]

File created successfully at: C:\Users\adn\.claude\plans\mossy-enchanting-flamingo.md

Web search results for query: "Box2D 3.1 collision events sensor events documentation"

Links: [{"title":"Box2D: Events","url":"https://box2d.org/documentation/group__events.html"},{"title":"Box2D: Simulation","url":"https://box2d.org/documentation/md_simulation.html"},{"title":"Box2D 3.1 :: Box2D","url":"https://box2d.org/posts/2025/04/box2d-3.1/"},{"title":"Phaser - Box2D Tutorials","url":"https://phaser.io/tutorials/box2d-tutorials/sensors"},{"title":"Box2D: v3.1 Release Notes","url":"https://box2d.org/documentation/md_release__notes__v310.html"},{"title":"Box2D: Shape","url":"https://box2d.org/documentation/group__shape.html"},{"title":"Box2D: Data Structures","url":"https://box2d.org/documentation/annotated.html"},{"title":"Collision callbacks - Box2D tutorials - iforce2d","url":"https://www.iforce2d.net/b2dtut/collision-callbacks"},{"title":"Sensors - Box2D tutorials - iforce2d","url":"https://www.iforce2d.net/b2dtut/sensors"},{"title":"GitHub - hughsk/box2d-events: Easier event listening for Box2D collisions","url":"https://github.com/hughsk/box2d-events"}]

Here are the search results for Box2D 3.1 collision events and sensor events documentation:

## Official Box2D Documentation

### Events System
Sensor events are buffered in the Box2D world and are available as begin/end overlap event arrays after the time step is complete.(no content)You should always confirm the shape id is valid using `b2Shape_IsValid`.

### Body Move Events
Body move events are triggered when a body moves due to simulation, and are not reported for bodies moved by the user.(no content)This is an efficient way for an application to update game object transforms rather than calling functions such as `b2Body_GetTransform()` because this data is delivered as a contiguous array and it is only populated with bodies that have moved.

### Sensor Behavior
A sensor shape generates overlap events but never generates a collision response. For both sensors and non-sensors, sensor events must also be enabled. There is a performance cost to generate sensor events, so they are disabled by default.(no content)Sensors do not detect objects that pass through the sensor shape within one time step, so sensors do not have continuous collision detection. If you have fast moving objects and/or small sensors then you should use a ray or shape cast to detect these events.

### Contact Events
Contact events are available after each world step. Like sensor events these should be retrieved and processed before performing other game logic. Otherwise you may be accessing orphaned/invalid data.

You can access contact events using: `b2ContactEvents contactEvents = b2World_GetContactEvents(myWorldId);`

## Box2D 3.1 Specific Changes

The sensor system was built on top of the contact system, but this turned out to be the wrong choice if you need sensors to follow different rules than bodies. The new sensor system still uses shapes on bodies, but it doesn't consider the body type or the body sleeping status. This allows sensors on static bodies to detect shapes on other kinematic or static bodies. The new sensor system now runs at the end of the update, so the overlap events are not delayed.(no content)Sensors produce reliable begin and end touch events and you can also access the current overlaps on a sensor shape. This system is multithreaded and deterministic.

### v3.1 Release Notes Highlights
Key changes include: Contact events are now disabled by default, revised sensor system is now independent of body type and sleep, and new features like rolling resistance, tangent speed, and friction/restitution mixing callbacks.

### Creating Sensors
... [9 more lines]

# Box2D Events: Sensor Events, Contact Events, and Shape IDs

## Sensor Events Structure

The `b2SensorEvents` struct contains two event arrays:

- **Begin events**: `b2SensorBeginTouchEvent` array triggered when "a shape starts to overlap a sensor shape"
- **End events**: `b2SensorEndTouchEvent` array triggered when "a shape stops overlapping a sensor shape"

Each event includes `sensorShapeId` and `visitorShapeId` fields identifying the involved shapes.

## Contact Events Structure

The `b2ContactEvents` struct provides three event arrays:

- **Begin touch events**: Triggered when two shapes start contacting
- **End touch events**: Triggered when two shapes cease contact
- **Hit events**: Generated when shapes collide "with a speed faster than the hit speed threshold"

Each contact event includes shape ID pairs (`shapeIdA` and `shapeIdB`).

## Accessing Event Data Safely

The documentation emphasizes caution: "these may become invalid if bodies and/or shapes are destroyed." For end-touch events specifically, shape IDs "may have been destroyed." 

To safely access shape data, the documentation recommends validating shape IDs using `b2Shape_IsValid()` before referencing destroyed shapes.

## Key Data Fields

Contact hit events provide: approach speed, collision normal vector, contact point, and both shape IDs. Begin-touch events include the initial contact manifold (with zero impulses before solver execution).

# Box2D Events: Sensor Events, Contact Events, and Shape Identification

## Sensor Events

Sensor events are available after each `b2World_Step()` call. They come in two types:

**Begin Touch Events**: Generated when a shape starts overlapping a sensor. The event contains the `visitorShapeId` - "The id of the dynamic shape that began touching the sensor shape."

**End Touch Events**: Generated when shapes stop overlapping. These require validation since "a shape may have been destroyed." Always use `b2Shape_IsValid()` before processing end touch events.

Access sensor events via:
```c
b2SensorEvents sensorEvents = b2World_GetSensorEvents(myWorldId);
```

## Contact Events

Contact events are buffered and available after each world step. There are three types:

**Begin/End Touch Events**: Fired when shapes begin or stop touching. These contain only the two shape IDs (`shapeIdA` and `shapeIdB`).

**Hit Events**: Triggered when shapes collide at significant speed. Each hit event includes an `approachSpeed` value indicating "The speed the shapes are approaching. Always positive."

Access contact events via:
```c
b2ContactEvents contactEvents = b2World_GetContactEvents(myWorldId);
```

## Shape Identification in Events

... [3 more lines]

# Box2D v3.1 Release Notes: Event and Shape Changes

## Sensor Events
The sensor system received significant revision: "Revised sensor system is now independent of body type and sleep." This represents a breaking change from previous versions where sensor behavior was tied to body type.

## Contact Events
Contact event handling underwent major modifications:

- "Contact events are now disabled by default" — a notable breaking change requiring developers to explicitly enable them
- "Contact begin events now provide the manifold" — events now include additional collision data
- "Fixed missing contact end events" — addressing prior gaps in event firing
- "PreSolve is now called in continuous collision" — expanding when PreSolve callbacks trigger

## Shape Handling
Shape material properties were refactored to support per-segment customization: "Each segment of a chain shape may have a different surface material" using the new `b2SurfaceMaterial` structure. Additionally, `b2SmoothSegment` was renamed to `b2ChainSegment`.

## IDs in Events
The release notes do not explicitly mention shape IDs or body IDs in events. However, "Bodies can now have names for debugging," suggesting enhanced identification capabilities.

514-
515-// Sensor begin event (shape entered sensor)
516-typedef struct {
517:    b2BodyId sensor_body;
518:    b2BodyId visitor_body;
519-    b2ShapeId sensor_shape;
520-    b2ShapeId visitor_shape;
521-    int sensor_tag;
522-    int visitor_tag;
523-} PhysicsSensorBeginEvent;
524-
525-// Sensor end event (shape left sensor)
526-typedef struct {
527:    b2BodyId sensor_body;
528:    b2BodyId visitor_body;
529-    b2ShapeId sensor_shape;
530-    b2ShapeId visitor_shape;
531-    int sensor_tag;
532-    int visitor_tag;
533-} PhysicsSensorEndEvent;
534-
535-// Event buffers
536-static PhysicsContactBeginEvent contact_begin_events[MAX_PHYSICS_EVENTS];
537-static int contact_begin_count = 0;
538-
--
688-
689-    // Process sensor begin events
690-    for (int i = 0; i < sensor_events.beginCount && sensor_begin_count < MAX_PHYSICS_EVENTS; i++) {
691:        b2SensorBeginTouchEvent* e = &sensor_events.beginEvents[i];
... [129 more lines]

No matches found

599:    uintptr_t tag_data = (uintptr_t)b2Shape_GetUserData(shape_id);
5244:    b2Shape_SetUserData(shape_id, (void*)(uintptr_t)tag_index);
5306:    b2Shape_SetUserData(shape_id, (void*)(uintptr_t)tag_index);
5368:    b2Shape_SetUserData(shape_id, (void*)(uintptr_t)tag_index);
5437:    b2Shape_SetUserData(shape_id, (void*)(uintptr_t)tag_index);
6082:    int tag_index = (int)(uintptr_t)b2Shape_GetUserData(shape_id);
6374:    int tag_index = (int)(uintptr_t)b2Shape_GetUserData(shape_id);
6405:    int tag_index = (int)(uintptr_t)b2Shape_GetUserData(shape_id);

5990→
  5991→    lua_newtable(L);
  5992→    int result_index = 1;
  5993→
  5994→    for (int i = 0; i < sensor_begin_count; i++) {
  5995→        PhysicsSensorBeginEvent* e = &sensor_begin_events[i];
  5996→        if (tags_match(e->sensor_tag, e->visitor_tag, tag_a, tag_b)) {
  5997→            lua_newtable(L);
  5998→
  5999→            // sensor_body
  6000→            b2BodyId* sensor_body_ud = (b2BodyId*)lua_newuserdata(L, sizeof(b2BodyId));
  6001→            *sensor_body_ud = e->sensor_body;
  6002→            lua_setfield(L, -2, "sensor_body");
  6003→
  6004→            // visitor_body
  6005→            b2BodyId* visitor_body_ud = (b2BodyId*)lua_newuserdata(L, sizeof(b2BodyId));
  6006→            *visitor_body_ud = e->visitor_body;
  6007→            lua_setfield(L, -2, "visitor_body");
  6008→
  6009→            // sensor_shape
  6010→            b2ShapeId* sensor_shape_ud = (b2ShapeId*)lua_newuserdata(L, sizeof(b2ShapeId));
  6011→            *sensor_shape_ud = e->sensor_shape;
  6012→            lua_setfield(L, -2, "sensor_shape");
  6013→
  6014→            // visitor_shape
  6015→            b2ShapeId* visitor_shape_ud = (b2ShapeId*)lua_newuserdata(L, sizeof(b2ShapeId));
  6016→            *visitor_shape_ud = e->visitor_shape;
  6017→            lua_setfield(L, -2, "visitor_shape");
  6018→
  6019→            lua_rawseti(L, -2, result_index++);
... [10 more lines]

450-static int physics_tag_find(const char* name) {
451-    for (int i = 0; i < physics_tag_count; i++) {
452:        if (strcmp(physics_tags[i].name, name) == 0) {
453-            return i;
454-        }

<tool_use_error>Found 2 matches of the string to replace, but replace_all is false. To replace all occurrences, set replace_all to true. To replace only one occurrence, please provide more context to uniquely identify the instance.
String:             // visitor_shape
            b2ShapeId* visitor_shape_ud = (b2ShapeId*)lua_newuserdata(L, sizeof(b2ShapeId));
            *visitor_shape_ud = e->visitor_shape;
            lua_setfield(L, -2, "visitor_shape");

            lua_rawseti(L, -2, result_index++);</tool_use_error>

5978→    return 1;
  5979→}
  5980→
  5981→// physics_get_sensor_begin(tag_a, tag_b) -> array of {sensor_body, visitor_body, sensor_shape, visitor_shape}
  5982→static int l_physics_get_sensor_begin(lua_State* L) {
  5983→    const char* tag_a_name = luaL_checkstring(L, 1);
  5984→    const char* tag_b_name = luaL_checkstring(L, 2);
  5985→
  5986→    int tag_a = physics_tag_find(tag_a_name);
  5987→    int tag_b = physics_tag_find(tag_b_name);
  5988→    if (tag_a < 0) return luaL_error(L, "Unknown tag: %s", tag_a_name);
  5989→    if (tag_b < 0) return luaL_error(L, "Unknown tag: %s", tag_b_name);
  5990→
  5991→    lua_newtable(L);
  5992→    int result_index = 1;
  5993→
  5994→    for (int i = 0; i < sensor_begin_count; i++) {
  5995→        PhysicsSensorBeginEvent* e = &sensor_begin_events[i];
  5996→        if (tags_match(e->sensor_tag, e->visitor_tag, tag_a, tag_b)) {
  5997→            lua_newtable(L);
  5998→
  5999→            // sensor_body
  6000→            b2BodyId* sensor_body_ud = (b2BodyId*)lua_newuserdata(L, sizeof(b2BodyId));
  6001→            *sensor_body_ud = e->sensor_body;
  6002→            lua_setfield(L, -2, "sensor_body");
  6003→
  6004→            // visitor_body
  6005→            b2BodyId* visitor_body_ud = (b2BodyId*)lua_newuserdata(L, sizeof(b2BodyId));
  6006→            *visitor_body_ud = e->visitor_body;
  6007→            lua_setfield(L, -2, "visitor_body");
... [20 more lines]

The file E:\a327ex\Anchor\engine\src\anchor.c has been updated successfully.

6030→    return 1;
  6031→}
  6032→
  6033→// physics_get_sensor_end(tag_a, tag_b) -> array of {sensor_body, visitor_body, sensor_shape, visitor_shape}
  6034→static int l_physics_get_sensor_end(lua_State* L) {
  6035→    const char* tag_a_name = luaL_checkstring(L, 1);
  6036→    const char* tag_b_name = luaL_checkstring(L, 2);
  6037→
  6038→    int tag_a = physics_tag_find(tag_a_name);
  6039→    int tag_b = physics_tag_find(tag_b_name);
  6040→    if (tag_a < 0) return luaL_error(L, "Unknown tag: %s", tag_a_name);
  6041→    if (tag_b < 0) return luaL_error(L, "Unknown tag: %s", tag_b_name);
  6042→
  6043→    lua_newtable(L);
  6044→    int result_index = 1;
  6045→
  6046→    for (int i = 0; i < sensor_end_count; i++) {
  6047→        PhysicsSensorEndEvent* e = &sensor_end_events[i];
  6048→        if (tags_match(e->sensor_tag, e->visitor_tag, tag_a, tag_b)) {
  6049→            lua_newtable(L);
  6050→
  6051→            // sensor_body (may be invalid if destroyed)
  6052→            b2BodyId* sensor_body_ud = (b2BodyId*)lua_newuserdata(L, sizeof(b2BodyId));
  6053→            *sensor_body_ud = e->sensor_body;
  6054→            lua_setfield(L, -2, "sensor_body");
  6055→
  6056→            // visitor_body
  6057→            b2BodyId* visitor_body_ud = (b2BodyId*)lua_newuserdata(L, sizeof(b2BodyId));
  6058→            *visitor_body_ud = e->visitor_body;
  6059→            lua_setfield(L, -2, "visitor_body");
... [15 more lines]

The file E:\a327ex\Anchor\engine\src\anchor.c has been updated successfully.

5827→// physics_get_collision_begin(tag_a, tag_b) -> array of {body_a, body_b, shape_a, shape_b, point_x, point_y, normal_x, normal_y}
  5828→static int l_physics_get_collision_begin(lua_State* L) {
  5829→    const char* tag_a_name = luaL_checkstring(L, 1);
  5830→    const char* tag_b_name = luaL_checkstring(L, 2);
  5831→
  5832→    int tag_a = physics_tag_find(tag_a_name);
  5833→    int tag_b = physics_tag_find(tag_b_name);
  5834→    if (tag_a < 0) return luaL_error(L, "Unknown tag: %s", tag_a_name);
  5835→    if (tag_b < 0) return luaL_error(L, "Unknown tag: %s", tag_b_name);
  5836→
  5837→    lua_newtable(L);
  5838→    int result_index = 1;
  5839→
  5840→    for (int i = 0; i < contact_begin_count; i++) {
  5841→        PhysicsContactBeginEvent* e = &contact_begin_events[i];
  5842→        if (tags_match(e->tag_a, e->tag_b, tag_a, tag_b)) {
  5843→            lua_newtable(L);
  5844→
  5845→            // body_a
  5846→            b2BodyId* body_a_ud = (b2BodyId*)lua_newuserdata(L, sizeof(b2BodyId));
  5847→            *body_a_ud = e->body_a;
  5848→            lua_setfield(L, -2, "body_a");
  5849→
  5850→            // body_b
  5851→            b2BodyId* body_b_ud = (b2BodyId*)lua_newuserdata(L, sizeof(b2BodyId));
  5852→            *body_b_ud = e->body_b;
  5853→            lua_setfield(L, -2, "body_b");
  5854→
  5855→            // shape_a
  5856→            b2ShapeId* shape_a_ud = (b2ShapeId*)lua_newuserdata(L, sizeof(b2ShapeId));
... [45 more lines]

The file E:\a327ex\Anchor\engine\src\anchor.c has been updated successfully.

5889→// physics_get_collision_end(tag_a, tag_b) -> array of {body_a, body_b, shape_a, shape_b}
  5890→static int l_physics_get_collision_end(lua_State* L) {
  5891→    const char* tag_a_name = luaL_checkstring(L, 1);
  5892→    const char* tag_b_name = luaL_checkstring(L, 2);
  5893→
  5894→    int tag_a = physics_tag_find(tag_a_name);
  5895→    int tag_b = physics_tag_find(tag_b_name);
  5896→    if (tag_a < 0) return luaL_error(L, "Unknown tag: %s", tag_a_name);
  5897→    if (tag_b < 0) return luaL_error(L, "Unknown tag: %s", tag_b_name);
  5898→
  5899→    lua_newtable(L);
  5900→    int result_index = 1;
  5901→
  5902→    for (int i = 0; i < contact_end_count; i++) {
  5903→        PhysicsContactEndEvent* e = &contact_end_events[i];
  5904→        if (tags_match(e->tag_a, e->tag_b, tag_a, tag_b)) {
  5905→            lua_newtable(L);
  5906→
  5907→            // body_a (may be invalid if destroyed)
  5908→            b2BodyId* body_a_ud = (b2BodyId*)lua_newuserdata(L, sizeof(b2BodyId));
  5909→            *body_a_ud = e->body_a;
  5910→            lua_setfield(L, -2, "body_a");
  5911→
  5912→            // body_b
  5913→            b2BodyId* body_b_ud = (b2BodyId*)lua_newuserdata(L, sizeof(b2BodyId));
  5914→            *body_b_ud = e->body_b;
  5915→            lua_setfield(L, -2, "body_b");
  5916→
  5917→            // shape_a
  5918→            b2ShapeId* shape_a_ud = (b2ShapeId*)lua_newuserdata(L, sizeof(b2ShapeId));
... [25 more lines]

The file E:\a327ex\Anchor\engine\src\anchor.c has been updated successfully.

5945→    }
  5946→    return 1;
  5947→}
  5948→
  5949→// physics_get_hit(tag_a, tag_b) -> array of {body_a, body_b, shape_a, shape_b, point_x, point_y, normal_x, normal_y, approach_speed}
  5950→static int l_physics_get_hit(lua_State* L) {
  5951→    const char* tag_a_name = luaL_checkstring(L, 1);
  5952→    const char* tag_b_name = luaL_checkstring(L, 2);
  5953→
  5954→    int tag_a = physics_tag_find(tag_a_name);
  5955→    int tag_b = physics_tag_find(tag_b_name);
  5956→    if (tag_a < 0) return luaL_error(L, "Unknown tag: %s", tag_a_name);
  5957→    if (tag_b < 0) return luaL_error(L, "Unknown tag: %s", tag_b_name);
  5958→
  5959→    lua_newtable(L);
  5960→    int result_index = 1;
  5961→
  5962→    for (int i = 0; i < hit_count; i++) {
  5963→        PhysicsHitEvent* e = &hit_events[i];
  5964→        if (tags_match(e->tag_a, e->tag_b, tag_a, tag_b)) {
  5965→            lua_newtable(L);
  5966→
  5967→            // body_a
  5968→            b2BodyId* body_a_ud = (b2BodyId*)lua_newuserdata(L, sizeof(b2BodyId));
  5969→            *body_a_ud = e->body_a;
  5970→            lua_setfield(L, -2, "body_a");
  5971→
  5972→            // body_b
  5973→            b2BodyId* body_b_ud = (b2BodyId*)lua_newuserdata(L, sizeof(b2BodyId));
  5974→            *body_b_ud = e->body_b;
... [20 more lines]

5990→            lua_pushnumber(L, e->point_y);
  5991→            lua_setfield(L, -2, "point_y");
  5992→            lua_pushnumber(L, e->normal_x);
  5993→            lua_setfield(L, -2, "normal_x");
  5994→            lua_pushnumber(L, e->normal_y);
  5995→            lua_setfield(L, -2, "normal_y");
  5996→            lua_pushnumber(L, e->approach_speed);
  5997→            lua_setfield(L, -2, "approach_speed");
  5998→
  5999→            lua_rawseti(L, -2, result_index++);
  6000→        }
  6001→    }
  6002→    return 1;
  6003→}
  6004→
  6005→// physics_get_sensor_begin(tag_a, tag_b) -> array of {sensor_body, visitor_body, sensor_shape, visitor_shape, sensor_tag, visitor_tag}
  6006→static int l_physics_get_sensor_begin(lua_State* L) {
  6007→    const char* tag_a_name = luaL_checkstring(L, 1);
  6008→    const char* tag_b_name = luaL_checkstring(L, 2);
  6009→

The file E:\a327ex\Anchor\engine\src\anchor.c has been updated successfully.

739→  an.collision_begin_events = (tag_a, tag_b) =>
   740→    result = {}
   741→    for event in *physics_get_collision_begin tag_a, tag_b
   742→      id_a = physics_get_user_data event.body_a
   743→      id_b = physics_get_user_data event.body_b
   744→      collider_a = @colliders[id_a]
   745→      collider_b = @colliders[id_b]
   746→      if collider_a and collider_b
   747→        print collider_a.parent, collider_b.parent
   748→        -- Normalize order: a should have tag_a, b should have tag_b
   749→        -- Check both shape tags explicitly
   750→        shape_a_tag = @shape_tags[event.shape_a]
   751→        shape_b_tag = @shape_tags[event.shape_b]
   752→        if shape_a_tag == tag_a and shape_b_tag == tag_b
   753→          result[] = {
   754→            a: collider_a.parent
   755→            b: collider_b.parent
   756→            shape_a: event.shape_a
   757→            shape_b: event.shape_b
   758→            point_x: event.point_x
   759→            point_y: event.point_y
   760→            normal_x: event.normal_x
   761→            normal_y: event.normal_y
   762→          }
   763→        elseif shape_a_tag == tag_b and shape_b_tag == tag_a
   764→          result[] = {
   765→            a: collider_b.parent
   766→            b: collider_a.parent
   767→            shape_a: event.shape_b
   768→            shape_b: event.shape_a
... [10 more lines]

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

783→  an.collision_end_events = (tag_a, tag_b) =>
   784→    result = {}
   785→    for event in *physics_get_collision_end tag_a, tag_b
   786→      id_a = physics_get_user_data event.body_a
   787→      id_b = physics_get_user_data event.body_b
   788→      collider_a = @colliders[id_a]
   789→      collider_b = @colliders[id_b]
   790→      if collider_a and collider_b
   791→        -- Normalize order: a should have tag_a, b should have tag_b
   792→        -- Check both shape tags explicitly
   793→        shape_a_tag = @shape_tags[event.shape_a]
   794→        shape_b_tag = @shape_tags[event.shape_b]
   795→        if shape_a_tag == tag_a and shape_b_tag == tag_b
   796→          result[] = {
   797→            a: collider_a.parent
   798→            b: collider_b.parent
   799→            shape_a: event.shape_a
   800→            shape_b: event.shape_b
   801→          }
   802→        elseif shape_a_tag == tag_b and shape_b_tag == tag_a
   803→          result[] = {
   804→            a: collider_b.parent
   805→            b: collider_a.parent
   806→            shape_a: event.shape_b
   807→            shape_b: event.shape_a
   808→          }
   809→    result
   810→  
   811→  --[[
   812→    Returns sensor begin events between two tags this frame.
... [5 more lines]

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

818→      {a: <object>, b: <object>, shape_a: <handle>, shape_b: <handle>}
   819→  ]]
   820→  an.sensor_begin_events = (tag_a, tag_b) =>
   821→    result = {}
   822→    for event in *physics_get_sensor_begin tag_a, tag_b
   823→      id_a = physics_get_user_data event.sensor_body
   824→      id_b = physics_get_user_data event.visitor_body
   825→      collider_a = @colliders[id_a]
   826→      collider_b = @colliders[id_b]
   827→      if collider_a and collider_b
   828→        -- Normalize order: a should have tag_a, b should have tag_b
   829→        -- Check both shape tags to handle sensor-sensor events correctly
   830→        sensor_tag = @shape_tags[event.sensor_shape]
   831→        visitor_tag = @shape_tags[event.visitor_shape]
   832→        if sensor_tag == tag_a and visitor_tag == tag_b
   833→          result[] = {
   834→            a: collider_a.parent
   835→            b: collider_b.parent
   836→            shape_a: event.sensor_shape
   837→            shape_b: event.visitor_shape
   838→          }
   839→        elseif sensor_tag == tag_b and visitor_tag == tag_a
   840→          result[] = {
   841→            a: collider_b.parent
   842→            b: collider_a.parent
   843→            shape_a: event.visitor_shape
   844→            shape_b: event.sensor_shape
   845→          }
   846→    result
   847→  
... [5 more lines]

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

855→  ]]
   856→  an.sensor_end_events = (tag_a, tag_b) =>
   857→    result = {}
   858→    for event in *physics_get_sensor_end tag_a, tag_b
   859→      id_a = physics_get_user_data event.sensor_body
   860→      id_b = physics_get_user_data event.visitor_body
   861→      collider_a = @colliders[id_a]
   862→      collider_b = @colliders[id_b]
   863→      if collider_a and collider_b
   864→        -- Normalize order: a should have tag_a, b should have tag_b
   865→        -- Check both shape tags to handle sensor-sensor events correctly
   866→        sensor_tag = @shape_tags[event.sensor_shape]
   867→        visitor_tag = @shape_tags[event.visitor_shape]
   868→        if sensor_tag == tag_a and visitor_tag == tag_b
   869→          result[] = {
   870→            a: collider_a.parent
   871→            b: collider_b.parent
   872→            shape_a: event.sensor_shape
   873→            shape_b: event.visitor_shape
   874→          }
   875→        elseif sensor_tag == tag_b and visitor_tag == tag_a
   876→          result[] = {
   877→            a: collider_b.parent
   878→            b: collider_a.parent
   879→            shape_a: event.visitor_shape
   880→            shape_b: event.sensor_shape
   881→          }
   882→    result
   883→  
   884→  --[[
... [5 more lines]

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

895→  an.hit_events = (tag_a, tag_b) =>
   896→    result = {}
   897→    for event in *physics_get_hit tag_a, tag_b
   898→      id_a = physics_get_user_data event.body_a
   899→      id_b = physics_get_user_data event.body_b
   900→      collider_a = @colliders[id_a]
   901→      collider_b = @colliders[id_b]
   902→      if collider_a and collider_b
   903→        -- Normalize order: a should have tag_a, b should have tag_b
   904→        -- Check both shape tags explicitly
   905→        shape_a_tag = @shape_tags[event.shape_a]
   906→        shape_b_tag = @shape_tags[event.shape_b]
   907→        if shape_a_tag == tag_a and shape_b_tag == tag_b
   908→          result[] = {
   909→            a: collider_a.parent
   910→            b: collider_b.parent
   911→            shape_a: event.shape_a
   912→            shape_b: event.shape_b
   913→            point_x: event.point_x
   914→            point_y: event.point_y
   915→            normal_x: event.normal_x
   916→            normal_y: event.normal_y
   917→            approach_speed: event.approach_speed
   918→          }
   919→        elseif shape_a_tag == tag_b and shape_b_tag == tag_a
   920→          result[] = {
   921→            a: collider_b.parent
   922→            b: collider_a.parent
   923→            shape_a: event.shape_b
   924→            shape_b: event.shape_a
... [15 more lines]

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

Exit code 1
cp: cannot create regular file 'E:/a327ex/emoji-ball-battles/engine/src/anchor.c': No such file or directory

No files found

E:\a327ex\emoji-ball-battles\reference\emojunky-one\love\msvcp120.dll
E:\a327ex\emoji-ball-battles\reference\emojunky-one\love\msvcr120.dll
E:\a327ex\emoji-ball-battles\reference\emojunky-one\love\OpenAL32.dll
E:\a327ex\emoji-ball-battles\reference\emojunky-one\love\SDL2.dll
E:\a327ex\emoji-ball-battles\reference\emojunky-one\love\lua51.dll
E:\a327ex\emoji-ball-battles\reference\emojunky-one\love\mpg123.dll
E:\a327ex\emoji-ball-battles\reference\emojunky-one\love\love.dll
E:\a327ex\emoji-ball-battles\reference\emoji-merge-main\bin\love.dll
E:\a327ex\emoji-ball-battles\reference\emoji-merge-main\bin\lua51.dll
E:\a327ex\emoji-ball-battles\reference\emoji-merge-main\bin\msvcp140.dll
E:\a327ex\emoji-ball-battles\reference\emoji-merge-main\bin\msvcp140_1.dll
E:\a327ex\emoji-ball-battles\reference\emoji-merge-main\bin\msvcp140_2.dll
E:\a327ex\emoji-ball-battles\reference\emoji-merge-main\bin\msvcp140_atomic_wait.dll
E:\a327ex\emoji-ball-battles\reference\emoji-merge-main\bin\msvcp140_codecvt_ids.dll
E:\a327ex\emoji-ball-battles\reference\emoji-merge-main\bin\OpenAL32.dll
E:\a327ex\emoji-ball-battles\reference\emoji-merge-main\bin\SDL2.dll
E:\a327ex\emoji-ball-battles\reference\emoji-merge-main\bin\vcruntime140.dll
E:\a327ex\emoji-ball-battles\reference\emoji-merge-main\bin\vcruntime140_1.dll
E:\a327ex\emoji-ball-battles\reference\super emoji box\tools\lua54.dll
E:\a327ex\emoji-ball-battles\reference\super emoji pop\tools\lua54.dll
E:\a327ex\emoji-ball-battles\reference\super emoji box\tools\msvcp140.dll
E:\a327ex\emoji-ball-battles\reference\super emoji box\tools\msvcp140_1.dll
E:\a327ex\emoji-ball-battles\reference\super emoji box\tools\msvcp140_2.dll
E:\a327ex\emoji-ball-battles\reference\super emoji box\tools\msvcp140_atomic_wait.dll
E:\a327ex\emoji-ball-battles\reference\super emoji box\tools\msvcp140_codecvt_ids.dll
E:\a327ex\emoji-ball-battles\reference\super emoji box\tools\vcruntime140.dll
E:\a327ex\emoji-ball-battles\reference\super emoji box\tools\vcruntime140_1.dll
E:\a327ex\emoji-ball-battles\reference\super emoji pop\tools\msvcp140.dll
E:\a327ex\emoji-ball-battles\reference\super emoji pop\tools\msvcp140_1.dll
E:\a327ex\emoji-ball-battles\reference\super emoji pop\tools\msvcp140_2.dll
... [12 more lines]

1→@echo off
     2→cd /d "%~dp0"
     3→.\yue.exe -r main.yue
     4→.\yue.exe -r anchor/
     5→.\anchor.exe .
     6→

21→class collider extends object
    22→  new: (@tag, @body_type, @shape_type, ...) =>
    23→    super 'collider'
    24→    @body = physics_create_body @body_type, 0, 0
    25→    @shapes = {}  -- track all shapes for cleanup
    26→
    27→    -- Add initial shape based on shape_type
    28→    -- Last arg can be opts table (e.g. {sensor: true})
    29→    shape_args = {...}
    30→    opts = {}
    31→    if type(shape_args[#shape_args]) == 'table'
    32→      opts = table.remove shape_args
    33→    @shape = switch @shape_type
    34→      when 'circle'
    35→        physics_add_circle @body, @tag, shape_args[1], opts
    36→      when 'box'
    37→        physics_add_box @body, @tag, shape_args[1], shape_args[2], opts
    38→      when 'capsule'
    39→        physics_add_capsule @body, @tag, shape_args[1], shape_args[2], opts
    40→      when 'polygon'
    41→        physics_add_polygon @body, @tag, shape_args[1], opts
    42→
    43→    -- Register with unique ID (userdata can't be compared directly)
    44→    @id = collider_next_id
    45→    collider_next_id += 1
    46→    physics_set_user_data @body, @id
    47→    an.colliders[@id] = @
    48→
    49→    -- Position sync: physics -> parent each frame
    50→    @\early_action 'sync', =>
... [15 more lines]

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

98→  ]]
    99→  add_circle: (tag, radius, opts={}) =>
   100→    shape = physics_add_circle @body, tag, radius, opts
   101→    an.shape_tags[shape] = tag
   102→    @shapes[] = shape
   103→    shape
   104→
   105→  --[[
   106→    Adds an additional box shape to this body.
   107→
   108→    Usage:
   109→      shape = @collider\add_box 'hitbox', 32, 16, {offset_x: 0, offset_y: -8}
   110→
   111→    Returns: shape handle
   112→  ]]
   113→  add_box: (tag, width, height, opts={}) =>
   114→    shape = physics_add_box @body, tag, width, height, opts
   115→    an.shape_tags[shape] = tag
   116→    @shapes[] = shape
   117→    shape
   118→
   119→  --[[
   120→    Adds an additional capsule shape to this body.
   121→
   122→    Usage:
   123→      shape = @collider\add_capsule 'hitbox', 24, 8
   124→
   125→    Returns: shape handle
   126→  ]]
   127→  add_capsule: (tag, length, radius, opts={}) =>
... [30 more lines]

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

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

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

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

630:  an.shape_tags = {}       -- shape_handle -> tag (for collision event ordering)

627→
   628→  -- Physics world state
   629→  an.colliders = {}        -- body_handle -> collider (internal registry)
   630→  an.shape_tags = {}       -- shape_handle -> tag (for collision event ordering)
   631→  an.collision_pairs = {}  -- tracks enabled pairs for queries
   632→  an.sensor_pairs = {}
   633→  an.hit_pairs = {}
   634→  
   635→  --[[
   636→    Initializes the physics world.

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

E:\a327ex\emoji-ball-battles\anchor\collider.lua:54:self.shapes;for _index_0 = 1, #_list_0 do local shape = _list_0[_index_0]an.shape_tags[shape] = nil end
E:\a327ex\emoji-ball-battles\anchor\collider.lua:104:an.shape_tags[shape] = tag;do local _obj_0 = 
E:\a327ex\emoji-ball-battles\anchor\collider.lua:118:an.shape_tags[shape] = tag;do local _obj_0 = 
E:\a327ex\emoji-ball-battles\anchor\collider.lua:132:an.shape_tags[shape] = tag;do local _obj_0 = 
E:\a327ex\emoji-ball-battles\anchor\collider.lua:148:an.shape_tags[shape] = tag;do local _obj_0 = 
E:\a327ex\emoji-ball-battles\anchor\init.lua:630:an.shape_tags = {  }
E:\a327ex\emoji-ball-battles\anchor\init.lua:750:self.shape_tags[event.shape_a]local shape_b_tag = 
E:\a327ex\emoji-ball-battles\anchor\init.lua:751:self.shape_tags[event.shape_b]if 
E:\a327ex\emoji-ball-battles\anchor\init.lua:796:self.shape_tags[event.shape_a]local shape_b_tag = 
E:\a327ex\emoji-ball-battles\anchor\init.lua:797:self.shape_tags[event.shape_b]if 
E:\a327ex\emoji-ball-battles\anchor\init.lua:835:self.shape_tags[event.sensor_shape]local visitor_tag = 
E:\a327ex\emoji-ball-battles\anchor\init.lua:836:self.shape_tags[event.visitor_shape]if 
E:\a327ex\emoji-ball-battles\anchor\init.lua:873:self.shape_tags[event.sensor_shape]local visitor_tag = 
E:\a327ex\emoji-ball-battles\anchor\init.lua:874:self.shape_tags[event.visitor_shape]if 
E:\a327ex\emoji-ball-battles\anchor\init.lua:914:self.shape_tags[event.shape_a]local shape_b_tag = 
E:\a327ex\emoji-ball-battles\anchor\init.lua:915:self.shape_tags[event.shape_b]if

No matches found

E:\a327ex\Anchor\reference\super emoji box\tools\run.bat
E:\a327ex\Anchor\reference\love-compare\tools\run.bat
E:\a327ex\Anchor\engine\run-web.bat
E:\a327ex\Anchor\scripts\build.bat
E:\a327ex\Anchor\engine\build.bat
E:\a327ex\Anchor\framework\run.bat
E:\a327ex\Anchor\framework\run-web.bat
E:\a327ex\Anchor\engine\run.bat
E:\a327ex\Anchor\scripts\package.bat

1→@echo off
     2→setlocal
     3→
     4→cd /d "%~dp0"
     5→
     6→:: Find and run vcvarsall.bat for Visual Studio
     7→if exist "C:\Program Files\Microsoft Visual Studio\18\Community\VC\Auxiliary\Build\vcvarsall.bat" (
     8→    call "C:\Program Files\Microsoft Visual Studio\18\Community\VC\Auxiliary\Build\vcvarsall.bat" x64 >nul 2>&1
     9→) else if exist "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build\vcvarsall.bat" (
    10→    call "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build\vcvarsall.bat" x64 >nul 2>&1
    11→) else if exist "C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Auxiliary\Build\vcvarsall.bat" (
    12→    call "C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Auxiliary\Build\vcvarsall.bat" x64 >nul 2>&1
    13→) else if exist "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" (
    14→    call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x64 >nul 2>&1
    15→) else (
    16→    echo ERROR: Could not find Visual Studio
    17→    exit /b 1
    18→)
    19→
    20→if not exist build mkdir build
    21→
    22→:: Build Lua library if it doesn't exist
    23→if not exist lib\lua.lib (
    24→    echo Building Lua library...
    25→    if not exist build\lua_obj mkdir build\lua_obj
    26→    cl.exe /nologo /O2 /W3 /c /I"include/lua" ^
    27→        include/lua/lapi.c include/lua/lauxlib.c include/lua/lbaselib.c ^
    28→        include/lua/lcode.c include/lua/lcorolib.c include/lua/lctype.c ^
    29→        include/lua/ldblib.c include/lua/ldebug.c include/lua/ldo.c ^
    30→        include/lua/ldump.c include/lua/lfunc.c include/lua/lgc.c ^
... [76 more lines]

anchor.c
src/anchor.c(229): warning C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(958): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(1158): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(2188): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(2182): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
src/anchor.c(2573): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(2851): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(2857): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(2967): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(2976): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(3070): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(3072): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(4107): warning C4996: 'strdup': The POSIX name for this item is deprecated. Instead, use the ISO C and C++ conformant name: _strdup. See online help for details.
src/anchor.c(4999): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(5778): warning C4244: 'initializing': conversion from 'lua_Number' to 'float', possible loss of data
src/anchor.c(5779): warning C4244: 'initializing': conversion from 'lua_Number' to 'float', possible loss of data
src/anchor.c(7337): warning C4244: '=': conversion from 'lua_Integer' to 'int', possible loss of data
src/anchor.c(7338): warning C4244: '=': conversion from 'lua_Integer' to 'int', possible loss of data
src/anchor.c(7344): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(8182): warning C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(8186): warning C4996: 'strcat': This function or variable may be unsafe. Consider using strcat_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(8191): warning C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(8195): warning C4996: 'strcat': This function or variable may be unsafe. Consider using strcat_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(8201): warning C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(8205): warning C4996: 'strcat': This function or variable may be unsafe. Consider using strcat_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(8211): warning C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
src/anchor.c(8215): warning C4996: 'strcat': This function or variable may be unsafe. Consider using strcat_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
gl.c
Generating Code...
... [2 more lines]

78→an\physics_tag 'weapon_hitbox'
    79→an\physics_tag 'plant_ghost'
    80→an\physics_tag 'projectile'
    81→an\physics_collision 'ball', 'wall'
    82→an\physics_collision 'ball', 'ball'
    83→an\physics_collision 'weapon', 'weapon'
    84→an\physics_tag 'projectile_sensor'
    85→an\physics_collision 'projectile', 'wall'
    86→an\physics_sensor 'projectile_sensor', 'ball'
    87→an\physics_sensor 'weapon_hitbox', 'ball'
    88→an\physics_sensor 'weapon_hitbox', 'plant_ghost'
    89→an\physics_sensor 'plant_ghost', 'ball'
    90→
    91→-- Render and composite layers
    92→draw = ->

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

365-
366-    -- Weapon-weapon collision handling
367:    for event in *an\collision_begin_events 'weapon', 'weapon'
368-      ball_a, ball_b = event.a, event.b
369-
370-      -- Reset angular velocity guardrails (let physics do its thing)
371-      ball_a.time_above_base = 0
372-      ball_a.time_below_base = 0
373-      ball_b.time_above_base = 0
374-      ball_b.time_below_base = 0
375-
376-      -- Apply energy boost to compensate for collision energy loss
377-      vx_a, vy_a = ball_a.collider\get_velocity!
378-      vx_b, vy_b = ball_b.collider\get_velocity!
379-      vx_a = vx_a*@weapon_energy_boost
380-      vy_a = vy_a*@weapon_energy_boost
381-      vx_b = vx_b*@weapon_energy_boost
382-      vy_b = vy_b*@weapon_energy_boost
383-
384-      -- Cap speed at @max_ball_speed
385-      speed_a = math.length(vx_a, vy_a)
386-      if speed_a > @max_ball_speed
387-        scale = @max_ball_speed/speed_a
388-        vx_a = vx_a*scale
389-        vy_a = vy_a*scale
390-
391-      speed_b = math.length(vx_b, vy_b)
392-      if speed_b > @max_ball_speed
393-        scale = @max_ball_speed/speed_b
394-        vx_b = vx_b*scale
... [23 more lines]

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545-      math.quint_out(math.remap(t, 0.5, 1, 0, 1))
546-
547:  hit_effect: (x, y) =>
548-    probability = @\get_hit_stop_probability!
549:    hit_effect_chance = 35 + 65*probability  -- 35% at rapid hits, 100% at fresh hit
550-
551-    if an.random\bool hit_effect_chance
552-      @effects\add hit_effect x, y, {scale: 1.35}
553-    else
554-      @effects\add hit_circle x, y, {radius: 9}
555-      for i = 1, an.random\int 2, 4
556-        @effects\add hit_particle x, y, {velocity: an.random\float(100, 250), duration: an.random\float(0.3, 0.5)}
557-
558-  hit_stop: (duration=0.1) =>
559-    probability = @\get_hit_stop_probability!
560-    if an.random\bool 100*probability
561-      an\hit_stop duration
562-    @time_since_last_hit = 0
563-
564-  -- Validated plant configurations: {image, size, offset}

436→
   437→    -- Projectile-wall collision: bounce and spawn effects
   438→    for event in *an\collision_begin_events 'projectile', 'wall'
   439→      projectile_object = event.a
   440→
   441→      vx, vy = projectile_object.collider\get_velocity!
   442→      intensity = math.remap math.length(vx, vy), 300, 600, 0, 1
   443→      projectile_object\hit intensity, 'wall'
   444→
   445→      -- Spawn hit effects
   446→      normal_angle = math.angle event.normal_x, event.normal_y
   447→      @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}
   448→      for i = 1, an.random\int 1, 3
   449→        @effects\add hit_particle event.point_x, event.point_y,
   450→          velocity: intensity*an.random\float(100, 200)
   451→          direction: normal_angle + math.pi + an.random\float(-math.pi/3, math.pi/3)
   452→          duration: an.random\float(0.3, 0.5)
   453→          color: yellow
   454→          gravity: 256
   455→          flash_on_spawn: true
   456→
   457→    -- Projectile-ball sensor: deal damage
   458→    for event in *an\sensor_begin_events 'projectile_sensor', 'ball'
   459→      projectile_object = event.a  -- projectile_sensor tag
   460→      ball_object = event.b        -- ball tag
   461→
   462→      vx, vy = projectile_object.collider\get_velocity!
   463→      intensity = math.remap math.length(vx, vy), 300, 600, 0, 1
   464→      projectile_object\hit intensity, 'ball'
   465→
... [5 more lines]

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

1132-    game\pop!
1133-
1134:  hit: (intensity=1, target_type) =>
1135-    @spring\pull 'hit', 0.5*intensity, 3, 0.5
1136-    @flashing = true
1137-    @timer\after 0.1, -> @flashing = false
1138-    
1139-    switch target_type
1140-      when 'wall'
1141-        @bounces -= 1
1142-        if @bounces < 0
1143-          @\kill!
1144-      when 'ball'
1145-        @\kill!
1146-
1147-
1148-
1149--- Damage number: emoji digits that float upward and fade

1134→  hit: (intensity=1, target_type) =>
  1135→    @spring\pull 'hit', 0.5*intensity, 3, 0.5
  1136→    @flashing = true
  1137→    @timer\after 0.1, -> @flashing = false
  1138→    
  1139→    switch target_type
  1140→      when 'wall'
  1141→        @bounces -= 1
  1142→        if @bounces < 0
  1143→          @\kill!
  1144→      when 'ball'
  1145→        @\kill!
  1146→
  1147→
  1148→

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

774-    @collider\set_restitution 1
775-    @collider\set_friction 0
776-    @collider\set_linear_damping 0
777-
778-    -- Add weapon hitbox (physical, 0 density so it doesn't affect ball mass/inertia)
779:    @weapon_shape = @collider\add_box 'weapon', @weapon_hitbox_length, @weapon_hitbox_width, {offset_x: @weapon_hitbox_offset}
780-    @collider\set_restitution 1, @weapon_shape
781-    @collider\set_density 0, @weapon_shape
782-
783-    -- Add sensor for detecting ball overlaps (passes through balls, generates events)
784-    @weapon_sensor = @collider\add_box 'weapon_hitbox', @weapon_hitbox_length, @weapon_hitbox_width, {offset_x: @weapon_hitbox_offset, sensor: true}

1087:class projectile extends object
1088-  new: (@x, @y, args={}) =>
1089-    super!
1090-    @\tag 'projectile'
1091-    @velocity = args.velocity or 10
1092-    @direction = args.direction or 0
1093-    @w = 15
1094-    @h = 8
1095-    @bounces = 2  -- bounces twice, dies on third wall hit
1096-
1097-    -- Physics collider (physical shape for wall collision)
1098-    @\add collider 'projectile', 'dynamic', 'box', @w, @h
1099-    @collider\set_position @x, @y
1100-    @collider\set_restitution 0.75
1101-    @collider\set_friction 0
1102-    @collider\set_gravity_scale 0.5
1103-    @collider\apply_impulse @velocity*math.cos(@direction), @velocity*math.sin(@direction)
1104-    @collider\set_bullet true  -- continuous collision detection
1105-
1106-    -- Sensor shape for ball detection (passes through balls)
1107-    @ball_sensor = @collider\add_box 'projectile_sensor', @w, @h, {sensor: true}
1108-    @collider\set_density 0, @ball_sensor
1109-
1110-    -- Visual feedback
1111-    @\add spring!
1112-    @spring\add 'hit', 1
1113-    @spring\pull 'hit', 0.3, 3, 0.5  -- pop on spawn
1114-
1115-    @\add timer!
1116-    if args.flash_on_spawn
... [11 more lines]

1090→    @\tag 'projectile'
  1091→    @velocity = args.velocity or 10
  1092→    @direction = args.direction or 0
  1093→    @w = 15
  1094→    @h = 8
  1095→    @bounces = 2  -- bounces twice, dies on third wall hit
  1096→
  1097→    -- Physics collider (physical shape for wall collision)
  1098→    @\add collider 'projectile', 'dynamic', 'box', @w, @h
  1099→    @collider\set_position @x, @y
  1100→    @collider\set_restitution 0.75
  1101→    @collider\set_friction 0
  1102→    @collider\set_gravity_scale 0.5
  1103→    @collider\apply_impulse @velocity*math.cos(@direction), @velocity*math.sin(@direction)
  1104→    @collider\set_bullet true  -- continuous collision detection
  1105→
  1106→    -- Sensor shape for ball detection (passes through balls)
  1107→    @ball_sensor = @collider\add_box 'projectile_sensor', @w, @h, {sensor: true}
  1108→    @collider\set_density 0, @ball_sensor
  1109→
  1110→    -- Visual feedback
  1111→    @\add spring!
  1112→    @spring\add 'hit', 1
  1113→    @spring\pull 'hit', 0.3, 3, 0.5  -- pop on spawn
  1114→
  1115→    @\add timer!
  1116→    if args.flash_on_spawn
  1117→      @flashing = true
  1118→      @timer\after 0.1, -> @flashing = false
  1119→
... [20 more lines]

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

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

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

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

80-an\physics_tag 'projectile'
81-an\physics_collision 'ball', 'wall'
82-an\physics_collision 'ball', 'ball'
83-an\physics_collision 'weapon', 'weapon'
84-an\physics_tag 'projectile_sensor'
85:an\physics_collision 'projectile', 'wall'
86-an\physics_collision 'projectile', 'weapon'
87-an\physics_sensor 'projectile_sensor', 'ball'
88-an\physics_sensor 'weapon_hitbox', 'ball'
89-an\physics_sensor 'weapon_hitbox', 'plant_ghost'
90-an\physics_sensor 'plant_ghost', 'ball'
--
433-      -- Apply direct force to nearby plants when hitting floor (normal pointing down in screen coords)
434-      if event.normal_y > 0.5
435-        @\apply_direct_force_to_nearby_plants ball_object.x, ball_object.y, 75, vy
436-
437-    -- Projectile-wall collision: bounce and spawn effects
438:    for event in *an\collision_begin_events 'projectile', 'wall'
439-      projectile_object = event.a
440-
441-      vx, vy = projectile_object.collider\get_velocity!
442-      intensity = math.remap math.length(vx, vy), 300, 600, 0, 1
443:      projectile_object\hit intensity, 'wall'
444-
445-      -- Spawn hit effects
446-      normal_angle = math.angle event.normal_x, event.normal_y
447-      @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}
448-      for i = 1, an.random\int 1, 3

1136:  hit: (intensity=1, target_type) =>
1137-    @spring\pull 'hit', 0.5*intensity, 3, 0.5
1138-    @flashing = true
1139-    @timer\after 0.1, -> @flashing = false
1140-    
1141-    switch target_type
1142-      when 'wall'
1143-        @bounces -= 1
1144-        if @bounces < 0
1145-          @\kill!
1146-      when 'weapon'
1147-        @bounces -= 1
1148-        if @bounces < 0
1149-          @\kill!
1150-      when 'ball'
1151-        @\kill!
1152-
1153-
1154-
1155--- Damage number: emoji digits that float upward and fade
1156-class damage_number extends object

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

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

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545-      spawn_offset = @player_ball.radius + 8
546-      spawn_x = @player_ball.x + spawn_offset*math.cos(direction)
547-      spawn_y = @player_ball.y + spawn_offset*math.sin(direction)
548:      @effects\add projectile spawn_x, spawn_y,
549-        velocity: 15
550-        direction: direction
551-        flash_on_spawn: true

84-an\physics_tag 'projectile_sensor'
85-an\physics_collision 'projectile', 'wall'
86:an\physics_collision 'projectile', 'weapon'
87:an\physics_sensor 'projectile_sensor', 'ball'
88-an\physics_sensor 'weapon_hitbox', 'ball'
89-an\physics_sensor 'weapon_hitbox', 'plant_ghost'
90-an\physics_sensor 'plant_ghost', 'ball'
91-
92--- Render and composite layers
93-draw = ->
94-  bg\render!
95-  back\render!
96-  game\render!
97-  front\render!
--
456-
457-    -- Projectile-weapon collision: parry
458:    for event in *an\collision_begin_events 'projectile', 'weapon'
459-      projectile_object = event.a
460-      ball_object = event.b  -- ball that owns the weapon
461-
462-      vx, vy = projectile_object.collider\get_velocity!
463-      intensity = math.remap math.length(vx, vy), 300, 600, 0, 1
464:      projectile_object\hit intensity, 'weapon'
465-
466-      -- Flash and spring pull on weapon (same as weapon-weapon)
467-      ball_object\flash_weapon!
468-      ball_object.spring\pull 'weapon', 0.35, 3, 0.5
469-
470-      @\hit_effect event.point_x, event.point_y
... [13 more lines]

Interrupted by user

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

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

523-      vx, vy = ball_object.collider\get_velocity!
524-      -- Apply moving force based on ball's horizontal velocity
525:      plant_object\apply_moving_force math.sign(vx), 0.3*math.abs(vx)
526-
527-    -- Weapon passing through plant: apply moving force
--
532-      av = ball_object.collider\get_angular_velocity!
533-      weapon_vx = -av * ball_object.weapon_visual_offset * math.sin(ball_object.angle)
534:      plant_object\apply_moving_force math.sign(weapon_vx), math.abs(weapon_vx)
535-
536-  update: (dt) =>
--
540-    -- Test: press K to kill a random plant
541-    if an\key_is_pressed 'k'
542:      alive_plants = [p for p in *@plants.children when p.apply_moving_force]
543-      if #alive_plants > 0
544-        plant = an.random\choice alive_plants
545-        plant.force_count = plant.force_threshold + 10
546:        plant\apply_moving_force an.random\sign!, 200
547-
548-    -- Test: press P to fire a projectile from player toward enemy
--
1302-
1303-  -- Moving force: ball passing through (slower, longer duration)
1304:  apply_moving_force: (direction, intensity=50) =>
1305-    @force_count += 1
1306-    intensity = intensity + an.random\float -intensity/3, intensity/3

84→an\physics_tag 'projectile_sensor'
    85→an\physics_collision 'projectile', 'wall'
    86→an\physics_collision 'projectile', 'weapon'
    87→an\physics_sensor 'projectile_sensor', 'ball'
    88→an\physics_sensor 'weapon_hitbox', 'ball'
    89→an\physics_sensor 'weapon_hitbox', 'plant_ghost'
    90→an\physics_sensor 'plant_ghost', 'ball'
    91→
    92→-- Render and composite layers
    93→draw = ->
    94→  bg\render!
    95→  back\render!
    96→  game\render!
    97→  front\render!
    98→  front_2\render!

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

518→      @\hit_stop 0.15
   519→
   520→    -- Ball passing through plant: apply moving force
   521→    for event in *an\sensor_begin_events 'plant_ghost', 'ball'
   522→      plant_object = event.a
   523→      ball_object = event.b
   524→      vx, vy = ball_object.collider\get_velocity!
   525→      -- Apply moving force based on ball's horizontal velocity
   526→      plant_object\apply_moving_force math.sign(vx), 0.3*math.abs(vx)
   527→
   528→    -- Weapon passing through plant: apply moving force
   529→    for event in *an\sensor_begin_events 'weapon_hitbox', 'plant_ghost'
   530→      ball_object = event.a   -- weapon_hitbox tag (ball that owns the weapon)
   531→      plant_object = event.b  -- plant_ghost tag
   532→      -- Weapon's horizontal velocity = -angular_velocity * offset * sin(angle)
   533→      av = ball_object.collider\get_angular_velocity!
   534→      weapon_vx = -av * ball_object.weapon_visual_offset * math.sin(ball_object.angle)
   535→      plant_object\apply_moving_force math.sign(weapon_vx), math.abs(weapon_vx)
   536→
   537→  update: (dt) =>
   538→    @time_since_last_hit += dt
   539→    bg\rectangle 0, 0, gw, gh, fg!
   540→
   541→    -- Test: press K to kill a random plant
   542→    if an\key_is_pressed 'k'

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

1→# Fix: Collider shape_tags tracking
     2→
     3→## Problem
     4→The collider constructor calls `physics_add_*` directly, then manually adds to `an.shape_tags` and `@shapes`. But the `add_*` methods already do this tracking. This duplication is causing issues with collision event ordering.
     5→
     6→## Fix
     7→Change the constructor to use the `add_*` methods instead of calling `physics_add_*` directly, then remove the manual tracking lines.
     8→
     9→### File: `E:\a327ex\emoji-ball-battles\anchor\collider.yue`
    10→
    11→**Change lines 33-45 from:**
    12→```yue
    13→    @shape = switch @shape_type
    14→      when 'circle'
    15→        physics_add_circle @body, @tag, shape_args[1], opts
    16→      when 'box'
    17→        physics_add_box @body, @tag, shape_args[1], shape_args[2], opts
    18→      when 'capsule'
    19→        physics_add_capsule @body, @tag, shape_args[1], shape_args[2], opts
    20→      when 'polygon'
    21→        physics_add_polygon @body, @tag, shape_args[1], opts
    22→
    23→    -- Track shape -> tag mapping for collision event ordering
    24→    an.shape_tags[@shape] = @tag
    25→    @shapes[] = @shape
    26→```
    27→
    28→**To:**
    29→```yue
    30→    @shape = switch @shape_type
... [14 more lines]

1→# Emoji Ball Battles - Implementation Plan
     2→
     3→## Philosophy
     4→
     5→This plan follows the **beginning/end/constraint** framework:
     6→
     7→1. **Beginning**: Get the moment-to-moment combat working
     8→2. **End**: Validate power fantasies by implementing actual classes/weapons/items and testing broken builds
     9→3. **Middle**: Only then build the meta loop (draft, evolution, etc.) — planned after Phase 2 findings
    10→
    11→---
    12→
    13→## Architecture Principles
    14→
    15→### Single File
    16→
    17→The entire codebase lives in `main.yue`. No separate modules, no `game/` or `data/` folders.
    18→
    19→```
    20→emoji-ball-battles/
    21→├── main.yue           -- everything
    22→├── anchor/            -- framework classes
    23→├── assets/
    24→│   ├── emoji/         -- emoji sprites (later)
    25→│   └── sounds/        -- sound effects (later)
    26→└── reference/
    27→    └── implementation-plan.md
    28→```
    29→
    30→### Locality
... [642 more lines]

52:an\image 'dagger', 'assets/dagger.png'
78:an\physics_tag 'weapon_hitbox'
89:an\physics_sensor 'weapon_hitbox', 'ball'
90:an\physics_sensor 'weapon_hitbox', 'plant_ghost'
498:    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'
499:      attacker = event.a  -- weapon_hitbox tag (ball that owns the weapon)
529:    for event in *an\sensor_begin_events 'weapon_hitbox', 'plant_ghost'
530:      ball_object = event.a   -- weapon_hitbox tag (ball that owns the weapon)
780:    @weapon_image = an.images.dagger
782:    @weapon_hitbox_offset = 24  -- distance from ball center to hitbox center
783:    @weapon_hitbox_length = 28  -- hitbox length (covers full dagger)
784:    @weapon_hitbox_width = 8   -- hitbox width
785:    @weapon_scale = 18/512  -- scale dagger to ~20 pixels
794:    @weapon_shape = @collider\add_box 'weapon', @weapon_hitbox_length, @weapon_hitbox_width, {offset_x: @weapon_hitbox_offset}
800:    @weapon_sensor = @collider\add_box 'weapon_hitbox', @weapon_hitbox_length, @weapon_hitbox_width, {offset_x: @weapon_hitbox_offset, sensor: true}
898:    front\push weapon_x, weapon_y, @angle - 3*math.pi/4, @weapon_scale*weapon_spring, @weapon_scale*weapon_spring  -- -135° to point dagger outward

E:\a327ex\emoji-ball-battles\anchor\init.lua:1059:an.raycast = function(self, x1, y1, x2, y2, tags)if 
E:\a327ex\emoji-ball-battles\anchor\init.lua:1061:physics_raycast(x1, y1, x2, y2, tags)if 
E:\a327ex\emoji-ball-battles\anchor\init.lua:1086:an.raycast_all = function(self, x1, y1, x2, y2, tags)if 
E:\a327ex\emoji-ball-battles\anchor\init.lua:1089:physics_raycast_all(x1, y1, x2, y2, tags)for _index_0 = 1, #_list_0 do local hit = _list_0[_index_0]local id = 
E:\a327ex\emoji-ball-battles\anchor\init.yue:1052:      hit = an\raycast x1, y1, x2, y2, 'wall'
E:\a327ex\emoji-ball-battles\anchor\init.yue:1059:  an.raycast = (x1, y1, x2, y2, tags) =>
E:\a327ex\emoji-ball-battles\anchor\init.yue:1061:    hit = physics_raycast x1, y1, x2, y2, tags
E:\a327ex\emoji-ball-battles\anchor\init.yue:1081:      for hit in *an\raycast_all x1, y1, x2, y2, 'enemy'
E:\a327ex\emoji-ball-battles\anchor\init.yue:1086:  an.raycast_all = (x1, y1, x2, y2, tags) =>
E:\a327ex\emoji-ball-battles\anchor\init.yue:1089:    for hit in *physics_raycast_all x1, y1, x2, y2, tags
E:\a327ex\emoji-ball-battles\docs\FRAMEWORK_API.md:475:#### an\raycast(x1, y1, x2, y2, tags)
E:\a327ex\emoji-ball-battles\docs\FRAMEWORK_API.md:480:hit = an\raycast player_x, player_y, target_x, target_y, 'wall'
E:\a327ex\emoji-ball-battles\docs\FRAMEWORK_API.md:490:#### an\raycast_all(x1, y1, x2, y2, tags)
E:\a327ex\emoji-ball-battles\docs\FRAMEWORK_API.md:495:for hit in *an\raycast_all x1, y1, x2, y2, 'enemy'
E:\a327ex\emoji-ball-battles\docs\FRAMEWORK_API_QUICK.md:96:an\raycast(x1, y1, x2, y2, tags) -> {object, shape, point_x, point_y, normal_x, normal_y, fraction} | nil
E:\a327ex\emoji-ball-battles\docs\FRAMEWORK_API_QUICK.md:97:an\raycast_all(x1, y1, x2, y2, tags) -> [{object, ...}, ...]
E:\a327ex\emoji-ball-battles\reference\effects_api_gaps.md:34:| Physics queries | ✅ | All spatial queries, raycasts |
E:\a327ex\emoji-ball-battles\reference\emojunky-one\aika.lua:51:local function raycast_callback(fixture, x, y, nx, ny, fraction)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\aika.lua:57:   table.insert(raycast_hitlist, hit)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\aika.lua:61:function physics_raycast(x1, y1, x2, y2)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\aika.lua:62:   raycast_hitlist = {}
E:\a327ex\emoji-ball-battles\reference\emojunky-one\aika.lua:63:   world:rayCast(x1, y1, x2, y2, raycast_callback)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\aika.lua:65:   for _, hit in ipairs(raycast_hitlist) do
E:\a327ex\emoji-ball-battles\reference\emojunky-one\aika.lua:77:   raycast_hitlist = {}
E:\a327ex\emoji-ball-battles\reference\emoji-merge-main\anchor\physics_world.lua:382:function physics_world:physics_world_raycast(x1, y1, x2, y2)

Found 2 files
reference\emojunky-one\entities.lua
reference\emojunky-one\maps.lua

100-   self.past_y = {}
101-   self.player_weapon_r = 0
102:   self.gun_r = 0
103:   self.gun_ox, self.gun_oy = 0, 0
104:   self.gun_spring = Spring(1)
105:   self.gun_cd = 0.6
106:   self.gun_timer = 0.6
107-   self.bow_r = 0
108-   self.bow_ox = 0
109-   self.bow_pull_ox = 0
110-   self.bow_sx = 1
111-   self.bow_cd = 0.6
--
143-   self.scissors_cd = 0.9
144-   self.scissors_timer = 0.9
145:   self.watergun_r = 0
146:   self.watergun_ox, self.watergun_oy = 0, 0
147:   self.watergun_cd = 0.15
148:   self.watergun_timer = 0.15
149-   self.bomb_ox, self.bomb_oy = 0, 0
150-   self.bomb_cd = 1
151-   self.bomb_timer = 1
152-   self.bomb_frame = 1
153-   self.bomb_a = 1
--
163-   self.jump_spring_y:update(dt)
164-   self.hit_spring:update(dt)
165:   self.gun_spring:update(dt)
166-   self.act_spring:update(dt)
167-   self.sx, self.sy = self.w\self.emoji:getWidth(), self.h/self.emoji:getHeight()
... [229 more lines]

<persisted-output>
Output too large (32KB). Full output saved to: C:\Users\adn\.claude\projects\E--a327ex-emoji-ball-battles\1c2c2b1f-8ac1-4712-8e3c-dd9305ea8416\tool-results\toolu_01XL5Vb7xnZfR5p1RiHrqcYS.txt

Preview (first 2KB):
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua:244:            table.insert(effects, BoomParticle(self.x + self.direction*rng:float(1.5, 1.7)*self.w, self.y - 0.6*self.h))
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-245-
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-246-            local plants = get_nearby_plants(self.x + self.direction*(self.w + 9), self.y, 25)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-247-            for _, plant in ipairs(plants) do
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-248-               local dx = self.x + self.direction*(self.w + 9) - plant.x
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-249-               plant:apply_direct_force(-sign(dx), remap(dx, 0, 50, 150, 50))
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-250-            end
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-251-
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-252-            camera:shake(4, 0.25)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-253-            play("josepharaoh99_shot", {volume = 0.6})
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-254-            local r = 0
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-255-            if self.direction == -1 then r = math.pi end
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-256-            table.insert(projectiles, Bullet(self.x + self.direction*1.6*self.w, self.y - 0.6*self.h, 50, r + self.gun_r))
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-257-         end
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-258-      end
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-259-
E:\a327ex\emoji-ball-battles\reference\emojunky-one\entities.lua-260-   elseif self.weapon == "rocket" then
...
</persisted-output>

E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua:124:BulletHitCircle = Class:extend()
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-125-
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-126-function BulletHitCircle:new(x, y, r, color1, color2)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-127-   self.timer = Timer()
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-128-   self.x, self.y = x, y
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-129-   self.z = -5
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-130-   self.r = r or 12
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-131-   self.color = copy(color1 or white)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-132-   local color2 = color2 or yellow
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-133-   self.timer:tween(0.15, self.color, {[1] = color2[1], [2] = color2[2], [3] = color2[3]}, cubic_in_out)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-134-   self.timer:tween(0.2, self, {r = 0}, linear, function() self.dead = true end)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-135-end
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-136-
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-137-function BulletHitCircle:update(dt)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-138-   self.timer:update(dt)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-139-end
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-140-
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-141-function BulletHitCircle:draw()
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-142-   g.setColor(self.color)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-143-   g.circle("fill", self.x, self.y, self.r)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-144-   g.setColor(white)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-145-end
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-146-
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua:147:BulletParticle = Class:extend()
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-148-
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-149-function BulletParticle:new(x, y, v, r, color1, color2)
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-150-   self.timer = Timer()
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-151-   self.x, self.y = x, y
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-152-   self.v, self.r = v, r
E:\a327ex\emoji-ball-battles\reference\emojunky-one\particles.lua-153-   self.sx, self.sy = 1, 1
... [53 more lines]

E:\a327ex\emoji-ball-battles\assets\gun.png
E:\a327ex\emoji-ball-battles\assets\boom.png
E:\a327ex\emoji-ball-battles\assets\hit1.png
E:\a327ex\emoji-ball-battles\assets\blossom.png
E:\a327ex\emoji-ball-battles\assets\four_leaf_clover.png
E:\a327ex\emoji-ball-battles\assets\seedling.png
E:\a327ex\emoji-ball-battles\assets\sheaf.png
E:\a327ex\emoji-ball-battles\assets\tulip.png
E:\a327ex\emoji-ball-battles\assets\slight_smile.png
E:\a327ex\emoji-ball-battles\assets\star.png
E:\a327ex\emoji-ball-battles\assets\dash.png
E:\a327ex\emoji-ball-battles\assets\dagger.png
E:\a327ex\emoji-ball-battles\assets\no_mouth.png
E:\a327ex\emoji-ball-battles\assets\0.png
E:\a327ex\emoji-ball-battles\assets\1.png
E:\a327ex\emoji-ball-battles\assets\2.png
E:\a327ex\emoji-ball-battles\assets\3.png
E:\a327ex\emoji-ball-battles\assets\4.png
E:\a327ex\emoji-ball-battles\assets\5.png
E:\a327ex\emoji-ball-battles\assets\6.png
E:\a327ex\emoji-ball-battles\assets\7.png
E:\a327ex\emoji-ball-battles\assets\8.png
E:\a327ex\emoji-ball-battles\assets\9.png

[
  {
    "type": "image",
    "source": {
      "type": "base64",
      "data": "[base64 image data removed]",
      "media_type": "image/png"
    }
  }
]

775→    @image = @team == 'player' and an.images.slight_smile or an.images.no_mouth
   776→    @radius = 10
   777→    @scale = 2*@radius/@image.width
   778→
   779→    -- Weapon setup
   780→    @weapon_image = an.images.dagger
   781→    @weapon_visual_offset = 24  -- distance from ball center to weapon visual center
   782→    @weapon_hitbox_offset = 24  -- distance from ball center to hitbox center
   783→    @weapon_hitbox_length = 28  -- hitbox length (covers full dagger)
   784→    @weapon_hitbox_width = 8   -- hitbox width
   785→    @weapon_scale = 18/512  -- scale dagger to ~20 pixels
   786→
   787→    @\add collider 'ball', 'dynamic', 'circle', @radius
   788→    @collider\set_position @x, @y
   789→    @collider\set_restitution 1
   790→    @collider\set_friction 0
   791→    @collider\set_linear_damping 0
   792→
   793→    -- Add weapon hitbox (physical, 0 density so it doesn't affect ball mass/inertia)
   794→    @weapon_shape = @collider\add_box 'weapon', @weapon_hitbox_length, @weapon_hitbox_width, {offset_x: @weapon_hitbox_offset}
   795→    @collider\set_restitution 1, @weapon_shape
   796→    @collider\set_density 0, @weapon_shape
   797→    print "Weapon - mass: #{@collider\get_mass!}, weapon_density: #{@collider\get_density @weapon_shape}"
   798→
   799→    -- Add sensor for detecting ball overlaps (passes through balls, generates events)
   800→    @weapon_sensor = @collider\add_box 'weapon_hitbox', @weapon_hitbox_length, @weapon_hitbox_width, {offset_x: @weapon_hitbox_offset, sensor: true}
   801→    @collider\set_restitution 1, @weapon_sensor
   802→    @collider\set_density 0, @weapon_sensor
   803→
   804→    -- Track low vertical velocity time for sliding detection
... [30 more lines]

905→    @spring\pull 'hit', 0.3, 3, 0.7
   906→    @\flash_ball!
   907→
   908→    -- Spawn damage number above
   909→    @parent\add damage_number @x, @y - @radius - 10, amount, {duration_multiplier: 0.5}
   910→
   911→    -- Show HP bar
   912→    @hp_bar\activate!
   913→
   914→    if @hp <= 0
   915→      @\kill!
   916→
   917→  flash_weapon: (duration=0.15) =>
   918→    @weapon_flashing = true
   919→    @timer\after duration, 'weapon_flash', -> @weapon_flashing = false
   920→
   921→  flash_ball: (duration=0.15) =>
   922→    @ball_flashing = true
   923→    @timer\after duration, 'ball_flash', -> @ball_flashing = false
   924→
   925→  -- Squash ball on wall collision: horizontal wall squashes y, vertical wall squashes x
   926→  squash: (normal_x, normal_y, amount=0.3) =>
   927→    if math.abs(normal_y) > math.abs(normal_x)
   928→      -- Horizontal wall (floor/ceiling): squash y, stretch x
   929→      @spring\pull 'squash_x', amount, 3, 0.5

511-      weapon_x = attacker.x + attacker.weapon_visual_offset*math.cos(attacker.angle)
512-      weapon_y = attacker.y + attacker.weapon_visual_offset*math.sin(attacker.angle)
513:      hit_angle = math.angle_to_point(defender.x, defender.y, weapon_x, weapon_y)
514-      effect_x = defender.x + 1.25*defender.radius*math.cos(hit_angle)
515-      effect_y = defender.y + 1.25*defender.radius*math.sin(hit_angle)
516-
517-      @\hit_effect effect_x, effect_y
518-      @\hit_stop 0.15
--
778-
779-    -- Weapon setup
780:    @weapon_image = an.images.dagger
781-    @weapon_visual_offset = 24  -- distance from ball center to weapon visual center
782-    @weapon_hitbox_offset = 24  -- distance from ball center to hitbox center
783-    @weapon_hitbox_length = 28  -- hitbox length (covers full dagger)
784-    @weapon_hitbox_width = 8   -- hitbox width
785-    @weapon_scale = 18/512  -- scale dagger to ~20 pixels
--
896-    weapon_y = @y + @weapon_visual_offset*math.sin(@angle)
897-    weapon_spring = @spring.weapon.x
898:    front\push weapon_x, weapon_y, @angle - 3*math.pi/4, @weapon_scale*weapon_spring, @weapon_scale*weapon_spring  -- -135° to point dagger outward
899:    front\image @weapon_image, 0, 0, nil, @weapon_flashing and white!
900-    front\pop!
901-
902-  take_damage: (amount, source) =>
903-    return unless @parent  -- Guard against events before fully added
904-    @hp -= amount

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

768→
   769→
   770→
   771→-- Ball class
   772→class ball extends object
   773→  new: (@x, @y, @team) =>
   774→    super!
   775→    @\tag 'ball'
   776→    @image = @team == 'player' and an.images.slight_smile or an.images.no_mouth
   777→    @radius = 10
   778→    @scale = 2*@radius/@image.width
   779→
   780→    -- Weapon setup
   781→    @weapon_image = an.images.dagger
   782→    @weapon_visual_offset = 24  -- distance from ball center to weapon visual center
   783→    @weapon_hitbox_offset = 24  -- distance from ball center to hitbox center
   784→    @weapon_hitbox_length = 28  -- hitbox length (covers full dagger)
   785→    @weapon_hitbox_width = 8   -- hitbox width
   786→    @weapon_scale = 18/512  -- scale dagger to ~20 pixels
   787→
   788→    @\add collider 'ball', 'dynamic', 'circle', @radius
   789→    @collider\set_position @x, @y
   790→    @collider\set_restitution 1
   791→    @collider\set_friction 0
   792→    @collider\set_linear_damping 0

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

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

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

164-    -- Create balls
165:    @player_ball = ball @x + @w*0.25, @y + @h/2, 'player'
166-    @enemy_ball = ball @x + @w*0.75, @y + @h/2, 'enemy'
--
558-    if an\key_is_pressed 'p'
559:      direction = math.angle_to_point @player_ball.x, @player_ball.y, @enemy_ball.x, @enemy_ball.y
560-      spawn_offset = @player_ball.radius + 8

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

780→    -- Weapon setup based on weapon_type
   781→    if @weapon_type == 'gun'
   782→      @weapon_image = an.images.gun
   783→      @weapon_visual_offset = 20
   784→      @weapon_hitbox_offset = 20
   785→      @weapon_hitbox_length = 20
   786→      @weapon_hitbox_width = 12
   787→      @weapon_scale = 18/512  -- gun.png is 512x512
   788→      @weapon_rotation_offset = math.pi  -- gun points left, rotate to point outward
   789→    else  -- dagger
   790→      @weapon_image = an.images.dagger
   791→      @weapon_visual_offset = 24
   792→      @weapon_hitbox_offset = 24
   793→      @weapon_hitbox_length = 28
   794→      @weapon_hitbox_width = 8
   795→      @weapon_scale = 18/512  -- dagger.png is 512x512
   796→      @weapon_rotation_offset = -3*math.pi/4  -- dagger rotation to point outward
   797→
   798→    @\add collider 'ball', 'dynamic', 'circle', @radius
   799→    @collider\set_position @x, @y

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

911:    front\push weapon_x, weapon_y, @angle + @weapon_rotation_offset, @weapon_scale*weapon_spring, @weapon_scale*weapon_spring

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

780→    -- Weapon setup based on weapon_type
   781→    if @weapon_type == 'gun'
   782→      @weapon_image = an.images.gun
   783→      @weapon_visual_offset = 21
   784→      @weapon_hitbox_offset = 21
   785→      @weapon_hitbox_length = 20
   786→      @weapon_hitbox_width = 12
   787→      @weapon_scale = 18/512  -- gun.png is 512x512
   788→      @weapon_scale_y = -18/512  -- y flipped
   789→      @weapon_rotation_offset = math.pi  -- gun points left, rotate to point outward
   790→    else  -- dagger
   791→      @weapon_image = an.images.dagger
   792→      @weapon_visual_offset = 24
   793→      @weapon_hitbox_offset = 24
   794→      @weapon_hitbox_length = 28
   795→      @weapon_hitbox_width = 8
   796→      @weapon_scale = 18/512  -- dagger.png is 512x512
   797→      @weapon_scale_y = 18/512
   798→      @weapon_rotation_offset = -3*math.pi/4  -- dagger rotation to point outward
   799→

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

88-an\physics_sensor 'projectile_sensor', 'ball'
89-an\physics_sensor 'projectile_sensor', 'plant_ghost'
90:an\physics_sensor 'weapon_hitbox', 'ball'
91-an\physics_sensor 'weapon_hitbox', 'plant_ghost'
92-an\physics_sensor 'plant_ghost', 'ball'
93-
94--- Render and composite layers
95-draw = ->
96-  bg\render!
97-  back\render!
98-  game\render!
99-  front\render!
100-  front_2\render!
101-  effects\render!
102-  ui\render!
103-  debug_draw\render!
104-
105-  shadow\clear!
--
497-
498-    -- Weapon-ball sensor: deal damage
499:    for event in *an\sensor_begin_events 'weapon_hitbox', 'ball'
500:      attacker = event.a  -- weapon_hitbox tag (ball that owns the weapon)
501-      defender = event.b  -- ball tag (ball that got hit)
502-
503-      -- Skip self-hit and same team
504-      continue if attacker == defender
505-      continue if attacker.team == defender.team
506-
507-      -- Apply damage
... [28 more lines]

1326:  apply_moving_force: (direction, intensity=50) =>
1327-    @force_count += 1
1328-    intensity = intensity + an.random\float -intensity/3, intensity/3
1329-    @moving_max_v = direction*math.remap(math.abs(intensity), 0, 150, 0, @base_moving_max_v)
1330-    @applying_moving = true
1331-    @timer\after an.random\float(0.4, 0.6), 'moving', ->
1332-      @applying_moving = false
1333-      @moving_max_v = @base_moving_max_v
1334-
1335-    -- Strong force (intensity > 150) can kill plant after threshold
1336-    if math.abs(intensity) > 150 and @force_count > @force_threshold and not @dying
1337-      -- Probability increases with each force past threshold
1338-      death_probability = math.remap @force_count, @force_threshold, @force_threshold + 10, 0, 100
1339-      if an.random\bool death_probability
1340-        @dying = true  -- prevent multiple dying plants
1341-        -- Spawn dying plant effect at visual center (not base)
1342-        @parent.arena.effects\add dying_plant @x, @y - @h/2, {
1343-          image: @image
1344-          scale_x: @scale_x
1345-          scale_y: @scale_y
1346-          rotation: @\get_rotation!

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558-
559-    -- Test: press P to fire a projectile from player toward enemy
560:    if an\key_is_pressed 'p'
561-      direction = math.angle_to_point @player_ball.x, @player_ball.y, @enemy_ball.x, @enemy_ball.y
562-      spawn_offset = @player_ball.radius + 8
563-      spawn_x = @player_ball.x + spawn_offset*math.cos(direction)
564-      spawn_y = @player_ball.y + spawn_offset*math.sin(direction)
565-      @effects\add projectile spawn_x, spawn_y,
566-        velocity: 15
567-        direction: direction
568-        flash_on_spawn: true
569-        owner_id: @player_ball.collider.id
570-

55:an\image 'boom', 'assets/boom.png'

[
  {
    "type": "image",
    "source": {
      "type": "base64",
      "data": "[base64 image data removed]",
      "media_type": "image/png"
    }
  }
]

1016:class hit_circle extends object
1017-  new: (@x, @y, args={}) =>
1018-    super!
1019-    @radius = args.radius or 12
1020-    @color = args.color or white\clone!
1021-    @duration = args.duration or 0.2
1022-
1023-    @\add timer!
1024-    @timer\tween @duration, @, {radius: 0}, math.cubic_in_out, -> @\kill!
1025-
1026-    if args.flash_on_spawn
1027-      @flashing = true
1028-      @timer\after 0.1, -> @flashing = false
1029-
1030-  update: (dt) =>
1031-    effects\circle @x, @y, @radius, if @flashing then white! else @color!
1032-
1033-
1034-
1035--- Hit particle: rectangle that shoots outward and shrinks
1036-class hit_particle extends object
1037-  new: (@x, @y, args={}) =>
1038-    super!
1039-    @velocity = args.velocity or an.random\float 50, 150
1040-    @gravity_velocity = 0
1041-    @gravity_acceleration = args.gravity or 0

1010→    effects\image an.images.star, 0, 0
  1011→    effects\pop!
  1012→
  1013→
  1014→
  1015→-- Hit circle: expanding/shrinking circle at impact point
  1016→class hit_circle extends object
  1017→  new: (@x, @y, args={}) =>
  1018→    super!
  1019→    @radius = args.radius or 12
  1020→    @color = args.color or white\clone!
  1021→    @duration = args.duration or 0.2
  1022→
  1023→    @\add timer!
  1024→    @timer\tween @duration, @, {radius: 0}, math.cubic_in_out, -> @\kill!
  1025→
  1026→    if args.flash_on_spawn
  1027→      @flashing = true
  1028→      @timer\after 0.1, -> @flashing = false
  1029→

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567-
568-      -- Spawn boom particle at gun tip
569:      @effects\add boom_particle gun_tip_x, gun_tip_y
570-
571-      -- Weapon spring feedback
572-      @player_ball.spring\pull 'weapon', 0.3, 3, 0.5
573-
574-      -- Spawn projectile
575-      @effects\add projectile gun_tip_x, gun_tip_y,
576-        velocity: 15
577-        direction: @player_ball.angle
578-        flash_on_spawn: true
579-        owner_id: @player_ball.collider.id
580-
581-  -- Returns 0-1 probability based on time since last hit
582-  -- Uses remap + quint_out: 0 below 0.5, ramps quickly above
583-  get_hit_stop_probability: =>
584-    t = math.clamp(@time_since_last_hit/1.5, 0, 1)
--
1041-
1042--- Boom particle: muzzle flash effect that scales down quickly
1043:class boom_particle extends object
1044-  new: (@x, @y, args={}) =>
1045-    super!
1046-    @image = an.images.boom
1047-    @rotation = an.random\angle!
1048-    @scale = (args.size or 24) / @image.width
1049-
1050-    @\add timer!
1051-    duration = an.random\float 0.1, 0.15
... [7 more lines]

1040→
  1041→
  1042→-- Boom particle: muzzle flash effect that scales down quickly
  1043→class boom_particle extends object
  1044→  new: (@x, @y, args={}) =>
  1045→    super!
  1046→    @image = an.images.boom
  1047→    @rotation = an.random\angle!
  1048→    @scale = (args.size or 24) / @image.width
  1049→
  1050→    @\add timer!
  1051→    duration = an.random\float 0.1, 0.15
  1052→    @timer\tween duration, @, {scale: 0}, math.cubic_in_out, -> @\kill!
  1053→
  1054→  update: (dt) =>
  1055→    effects\push @x, @y, @rotation, @scale, @scale
  1056→    effects\image @image, 0, 0
  1057→    effects\pop!
  1058→
  1059→  update: (dt) =>
  1060→    effects\circle @x, @y, @radius, if @flashing then white! else @color
  1061→
  1062→
  1063→
  1064→-- Hit particle: rectangle that shoots outward and shrinks

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1026:class hit_circle extends object
1027-  new: (@x, @y, args={}) =>
1028-    super!
1029-    @radius = args.radius or 12
1030-    @color = args.color or white\clone!
1031-    @duration = args.duration or 0.2
1032-    @flashing = false
1033-
1034-    @\add timer!
1035-    @timer\tween @duration, @, {radius: 0}, math.cubic_in_out, -> @\kill!
1036-
1037-    if args.flash_on_spawn
1038-      @flashing = true
1039-      @timer\after 0.1, -> @flashing = false
1040-
1041-
1042--- Boom particle: muzzle flash effect that scales down quickly
1043-class boom_particle extends object
1044-  new: (@x, @y, args={}) =>
1045-    super!
1046-    @image = an.images.boom

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825→
   826→    -- Add sensor for detecting ball overlaps (passes through balls, generates events)
   827→    @weapon_sensor = @collider\add_box 'weapon_hitbox', @weapon_hitbox_length, @weapon_hitbox_width, {offset_x: @weapon_hitbox_offset, sensor: true}
   828→    @collider\set_restitution 1, @weapon_sensor
   829→    @collider\set_density 0, @weapon_sensor
   830→
   831→    -- Track low vertical velocity time for sliding detection
   832→    @low_vy_time = 0
   833→
   834→    -- Initial rotation
   835→    @base_angular_velocity = 1.5*math.pi  -- desired rotation speed for gameplay
   836→    @max_angular_velocity = 3*math.pi  -- cap to prevent extremely fast spins
   837→    @angle = an.random\angle!
   838→    @collider\set_angle @angle
   839→

850-    @spring\add 'squash_y', 1
851-
852-    -- Flash state for weapon
853:    @weapon_flashing = false
854-
855-    -- HP
856-    @max_hp = 100
--
943-
944-  flash_weapon: (duration=0.15) =>
945-    @weapon_flashing = true
946:    @timer\after duration, 'weapon_flash', -> @weapon_flashing = false
947-
948-  flash_ball: (duration=0.15) =>
949-    @ball_flashing = true

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924-    weapon_y = @y + @weapon_visual_offset*math.sin(@angle)
925-    weapon_spring = @spring.weapon.x
926:    front\push weapon_x, weapon_y, @angle + @weapon_rotation_offset, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring
927-    front\image @weapon_image, 0, 0, nil, @weapon_flashing and white!
928-    front\pop!

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943→      @\kill!
   944→
   945→  flash_weapon: (duration=0.15) =>
   946→    @weapon_flashing = true
   947→    @timer\after duration, 'weapon_flash', -> @weapon_flashing = false
   948→
   949→  flash_ball: (duration=0.15) =>
   950→    @ball_flashing = true
   951→    @timer\after duration, 'ball_flash', -> @ball_flashing = false
   952→
   953→  -- Squash ball on wall collision: horizontal wall squashes y, vertical wall squashes x
   954→  squash: (normal_x, normal_y, amount=0.3) =>
   955→    if math.abs(normal_y) > math.abs(normal_x)
   956→      -- Horizontal wall (floor/ceiling): squash y, stretch x
   957→      @spring\pull 'squash_x', amount, 3, 0.5

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341:timer\tween(duration, target, properties, easing?, name?, after?) -> timer

951:    @timer\tween 0.05, @, {weapon_recoil: -math.pi/4}, math.cubic_in_out, 'weapon_recoil', ->
952:      @timer\tween 0.2, @, {weapon_recoil: 0}, math.linear, 'weapon_recoil'
1018:    @timer\tween @duration, @, {velocity: 0, sx: 0, sy: 0}, math.linear, -> @\kill!
1041:    @timer\tween @duration, @, {radius: 0}, math.cubic_in_out, -> @\kill!
1061:    @timer\tween duration, @, {scale: 0}, math.cubic_in_out, -> @\kill!
1085:    @timer\tween @duration, @, {velocity: 0, sx: 0, sy: 0}, math.linear, -> @\kill!
1121:    @timer\tween @duration, @, {velocity: 0, scale: 0}, math.quad_out, -> @\kill!
1246:      @timer\tween 0.75*@duration_multiplier, @, {scale: 0}, math.cubic_in_out, -> @\kill!

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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)
--
1241:#### timer\tween(duration, target, properties, easing?, name?, after?)
1242-
1243-Animates properties over time.
1244-
1245-```yuescript
1246:@timer\tween 0.5, @, {x: 100, y: 200}                    -- linear
1247:@timer\tween 1, @, {scale: 2}, math.quad_out            -- with easing
1248:@timer\tween 1, @, {alpha: 0}, math.sine_in_out, 'fade', -> @\kill!
1249-```
1250-
1251----
1252-
1253-### Conditional
1254-
1255-#### timer\watch(condition, name_or_callback, callback?)
1256-
1257-Runs callback once when condition becomes true.
1258-
... [16 more lines]

339-### Tweening
340-```
341:timer\tween(duration, target, properties, easing?, name?, after?) -> timer
342-```
343-

161:  tween: (duration, name_or_target, target_or_values, values_or_easing, easing_or_after, after_function) =>
162-    name, target, values, easing, after = if type(name_or_target) == 'string'
163-      name_or_target, target_or_values, values_or_easing, easing_or_after, after_function
164-    else
165-      @\uid!, name_or_target, target_or_values, values_or_easing, easing_or_after
166-    easing = easing or math.linear
--
382:      - during, tween: not supported (continuous, not discrete)
383-
384-    Returns: nothing
385-  ]]
386-  trigger: (name) =>
387-    index = @\find name
--
441:      - For during, tween: returns duration - elapsed time
442-      - For every_step, during_step: returns current step delay - elapsed time
443-      - For watch, when: returns nil (not time-based)
444-      - Accounts for multiplier
445-
446-    Returns: seconds remaining, or nil

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920→    game\image @image, 0, 0, nil, @ball_flashing and white!
   921→    game\pop!
   922→    game\pop!
   923→
   924→    -- Draw weapon at offset, rotated with ball
   925→    weapon_x = @x + @weapon_visual_offset*math.cos(@angle)
   926→    weapon_y = @y + @weapon_visual_offset*math.sin(@angle)
   927→    weapon_spring = @spring.weapon.x
   928→    front\push weapon_x, weapon_y, @angle + @weapon_rotation_offset + @weapon_recoil, @weapon_scale*weapon_spring, @weapon_scale_y*weapon_spring
   929→    front\image @weapon_image, 0, 0, nil, @weapon_flashing and white!
   930→    front\pop!
   931→
   932→  take_damage: (amount, source) =>
   933→    return unless @parent  -- Guard against events before fully added
   934→    @hp -= amount

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560→    if an\key_is_pressed 'p'
   561→      -- Calculate gun tip position (gun center + offset along gun direction)
   562→      gun_center_x = @player_ball.x + @player_ball.weapon_visual_offset*math.cos(@player_ball.angle)
   563→      gun_center_y = @player_ball.y + @player_ball.weapon_visual_offset*math.sin(@player_ball.angle)
   564→      gun_tip_offset = 12  -- distance from gun center to tip
   565→      gun_tip_x = gun_center_x + gun_tip_offset*math.cos(@player_ball.angle)
   566→      gun_tip_y = gun_center_y + gun_tip_offset*math.sin(@player_ball.angle)
   567→
   568→      -- Spawn boom particle at gun tip
   569→      @effects\add boom_particle gun_tip_x, gun_tip_y
   570→
   571→      -- Weapon feedback (spring + recoil)
   572→      @player_ball.spring\pull 'weapon', 0.3, 3, 0.5
   573→      @player_ball\recoil_weapon!
   574→
   575→      -- Spawn projectile
   576→      @effects\add projectile gun_tip_x, gun_tip_y,
   577→        velocity: 15
   578→        direction: @player_ball.angle
   579→        flash_on_spawn: true
   580→        owner_id: @player_ball.collider.id
   581→
   582→  -- Returns 0-1 probability based on time since last hit
   583→  -- Uses remap + quint_out: 0 below 0.5, ramps quickly above
   584→  get_hit_stop_probability: =>

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473----
474-
475:#### an\raycast(x1, y1, x2, y2, tags)
476-
477-Casts a ray and returns the first hit, or nil.
478-
479-```yuescript
480:hit = an\raycast player_x, player_y, target_x, target_y, 'wall'
481-if hit
482-  draw_laser player_x, player_y, hit.point_x, hit.point_y
483-  hit.object\take_damage!
484-```
485-
486-**Returns:** `{object, shape, point_x, point_y, normal_x, normal_y, fraction}` or nil
487-
488----
489-
490:#### an\raycast_all(x1, y1, x2, y2, tags)
491-
492-Casts a ray and returns all hits.
493-
494-```yuescript
495:for hit in *an\raycast_all x1, y1, x2, y2, 'enemy'
496-  hit.object\pierce_damage 10
497-```
498-
499----
500-
501-### Input Binding
502-
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870→  update: (dt) =>
   871→    -- Read angle from physics
   872→    @angle = @collider\get_angle!
   873→
   874→    -- Angular velocity guardrails
   875→    angular_velocity = @collider\get_angular_velocity!
   876→    angular_speed = math.abs(angular_velocity)
   877→    angular_sign = math.sign(angular_velocity)
   878→
   879→    if angular_speed > @base_angular_velocity
   880→      @time_above_base += dt
   881→      @time_below_base = 0
   882→      if @time_above_base > @angular_grace_period
   883→        -- Decay toward base (90% of distance in 0.5 seconds)
   884→        new_speed = math.lerp_dt(0.9, 1, dt, angular_speed, @base_angular_velocity)
   885→        @collider\set_angular_velocity angular_sign*new_speed
   886→    elseif angular_speed < @base_angular_velocity
   887→      @time_below_base += dt
   888→      @time_above_base = 0
   889→      if @time_below_base > @angular_grace_period
   890→        -- Increase toward base (90% of distance in 0.5 seconds)
   891→        new_speed = math.lerp_dt(0.9, 1, dt, angular_speed, @base_angular_velocity)
   892→        @collider\set_angular_velocity angular_sign*new_speed
   893→    else
   894→      @time_above_base = 0
   895→      @time_below_base = 0
   896→
   897→    -- Sliding detection: if vertical velocity stays very low while moving horizontally, ball is stuck
   898→    vx, vy = @collider\get_velocity!
   899→    if math.abs(vy) < 5 and @y + @radius > @parent.y + @parent.h - 5

900→      @low_vy_time += dt
   901→      if @low_vy_time > 0.5
   902→        @low_vy_time = 0
   903→        @collider\apply_impulse math.sign(vx)*an.random\float(0, 6), -24
   904→        -- Squash horizontally, stretch vertically (opposite of floor hit)
   905→        @spring\pull 'squash_y', 0.5, 3, 0.5
   906→        @spring\pull 'squash_x', -0.25, 3, 0.5
   907→        -- Spawn dash particle at ball's bottom, direction opposite to velocity
   908→        particle_angle = math.remap(vx, -100, 100, math.pi/4, 3*math.pi/4) + an.random\float(-math.pi/8, math.pi/8)
   909→        @parent.effects\add dash_particle @x, @y + @radius, {direction: particle_angle}
   910→    else
   911→      @low_vy_time = 0
   912→
   913→    -- Draw ball with world-aligned squash
   914→    squash_x = @spring.squash_x.x
   915→    squash_y = @spring.squash_y.x
   916→    hit_scale = @spring.hit.x
   917→    game\push @x, @y, 0, squash_x, squash_y           -- world-aligned squash (no rotation)
   918→    game\push 0, 0, @angle, @scale*hit_scale, @scale*hit_scale  -- rotation + base scale
   919→    game\image @image, 0, 0, nil, @ball_flashing and white!
   920→    game\pop!
   921→    game\pop!
   922→
   923→    -- Draw weapon at offset, rotated with ball (recoil_offset pulls gun toward ball)
   924→    -- Gun is offset 2 pixels "up" (perpendicular to angle, counterclockwise)
   925→    actual_offset = @weapon_visual_offset - @weapon_recoil_offset
   926→    perp_angle = @angle - math.pi/2
   927→    weapon_x = @x + actual_offset*math.cos(@angle) + 2*math.cos(perp_angle)
   928→    weapon_y = @y + actual_offset*math.sin(@angle) + 2*math.sin(perp_angle)
   929→    weapon_spring = @spring.weapon.x
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12-  All timer methods support optional naming - named timers can be cancelled, triggered,
13-  and automatically replace previous timers with the same name.
14-
15-  Timer methods:
16-    Delayed:     after, every, during, tween
17:    Conditional: watch, when, cooldown
18-    Varying:     every_step, during_step
19-    Utility:     cancel, trigger, set_multiplier, get_time_left
20-]]
21-class timer extends object
22-  --[[
23-    Creates a new timer.
24-
25-    Usage:
26-      @\add timer!
27-
28-    The timer is automatically named 'timer' and accessible as @timer on the parent.
29-  ]]
30-  new: =>
31-    super 'timer'
32-    @entries = {}
33-    @next_id = 1
34-
35-  --[[
36-    Internal: generates unique ID for anonymous timers.
37-  ]]
--
240-
241-  --[[
242-    Calls callback every delay seconds while condition is true.
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855→    @weapon_recoil_offset = 0  -- position offset for gun recoil (moves toward ball)
   856→
   857→    -- HP
   858→    @max_hp = 100
   859→    @hp = @max_hp
   860→    @\add hp_bar!
   861→
   862→    -- Start ball movement after 3 seconds
   863→    @\add timer!
   864→    @collider\set_gravity_scale 0
   865→    @timer\after 3, ->
   866→      @collider\set_gravity_scale 1
   867→      @collider\apply_impulse an.random\sign!*an.random\float(5, 10), an.random\float(-10, 10)
   868→      @collider\set_angular_velocity @base_angular_velocity
   869→
   870→  update: (dt) =>
   871→    -- Read angle from physics
   872→    @angle = @collider\get_angle!
   873→
   874→    -- Angular velocity guardrails

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945→    @parent\add damage_number @x, @y - @radius - 10, amount, {duration_multiplier: 0.5}
   946→
   947→    -- Show HP bar
   948→    @hp_bar\activate!
   949→
   950→    if @hp <= 0
   951→      @\kill!
   952→
   953→  flash_weapon: (duration=0.15) =>
   954→    @weapon_flashing = true
   955→    @timer\after duration, 'weapon_flash', -> @weapon_flashing = false
   956→
   957→  recoil_weapon: =>
   958→    -- Kick back: rotate and pull toward ball
   959→    @timer\tween 0.05, 'recoil_out', @, {weapon_recoil: -math.pi/4, weapon_recoil_offset: 4}, math.cubic_in_out, ->
   960→      -- Return to rest
   961→      @timer\tween 0.2, 'recoil_return', @, {weapon_recoil: 0, weapon_recoil_offset: 0}, math.linear
   962→
   963→  flash_ball: (duration=0.15) =>
   964→    @ball_flashing = true

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

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905→        @low_vy_time = 0
   906→        @collider\apply_impulse math.sign(vx)*an.random\float(0, 6), -24
   907→        -- Squash horizontally, stretch vertically (opposite of floor hit)
   908→        @spring\pull 'squash_y', 0.5, 3, 0.5
   909→        @spring\pull 'squash_x', -0.25, 3, 0.5
   910→        -- Spawn dash particle at ball's bottom, direction opposite to velocity
   911→        particle_angle = math.remap(vx, -100, 100, math.pi/4, 3*math.pi/4) + an.random\float(-math.pi/8, math.pi/8)
   912→        @parent.effects\add dash_particle @x, @y + @radius, {direction: particle_angle}
   913→    else
   914→      @low_vy_time = 0
   915→
   916→    -- Draw ball with world-aligned squash
   917→    squash_x = @spring.squash_x.x
   918→    squash_y = @spring.squash_y.x
   919→    hit_scale = @spring.hit.x
   920→    game\push @x, @y, 0, squash_x, squash_y           -- world-aligned squash (no rotation)
   921→    game\push 0, 0, @angle, @scale*hit_scale, @scale*hit_scale  -- rotation + base scale
   922→    game\image @image, 0, 0, nil, @ball_flashing and white!
   923→    game\pop!
   924→    game\pop!

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235→    entry = {:name, mode: 'when', time: 0, condition: condition_fn, last_condition: false, :callback, :times, :after, count: 0}
   236→    if @\find name
   237→      @entries[@\find name] = entry
   238→    else
   239→      @entries[] = entry
   240→
   241→  --[[
   242→    Calls callback every delay seconds while condition is true.
   243→
   244→    Usage:
   245→      @timer\cooldown 2, (-> @target), -> @attack!
   246→      @timer\cooldown 1, (-> @can_shoot), 'shoot', (-> @shoot!), 5
   247→
   248→    Parameters:
   249→      delay        - cooldown time between fires
   250→      condition_fn - function returning boolean
   251→      name         - (optional) timer name
   252→      callback     - function to call
   253→      times        - (optional) limit number of fires
   254→      after        - (optional) callback when times limit reached
   255→
   256→    Behavior:
   257→      - Timer resets to 0 when condition transitions false->true
   258→      - Only fires when BOTH delay elapsed AND condition is true
   259→      - Timer keeps counting while condition is false (holds cooldown)
   260→
   261→    Returns: nothing
   262→  ]]
   263→  cooldown: (delay, condition_fn, name_or_callback, callback_or_times, times_or_after, after_function) =>
   264→    name, callback, times, after = if type(name_or_callback) == 'string'
... [20 more lines]

525→          current_condition = entry.condition!
   526→          if current_condition and not entry.last_condition
   527→            entry.callback!
   528→            if entry.times
   529→              entry.count += 1
   530→              if entry.count >= entry.times
   531→                entry.after! if entry.after
   532→                to_remove[] = index
   533→          entry.last_condition = current_condition
   534→
   535→        when 'cooldown'
   536→          delay = entry.delay * (entry.multiplier or 1)
   537→          current_condition = entry.condition!
   538→          if current_condition and not entry.last_condition
   539→            entry.time = 0
   540→          if entry.time >= delay and current_condition
   541→            entry.callback!
   542→            entry.time = 0
   543→            if entry.times
   544→              entry.count += 1
   545→              if entry.count >= entry.times
   546→                entry.after! if entry.after
   547→                to_remove[] = index
   548→          entry.last_condition = current_condition
   549→
   550→        when 'every_step'
   551→          if entry.time >= entry.delays[entry.step_index]
   552→            entry.callback!
   553→            entry.time -= entry.delays[entry.step_index]
   554→            entry.step_index += 1
... [5 more lines]

465→    Internal: processes all timer entries each frame.
   466→
   467→    Called automatically by the object update system.
   468→  ]]
   469→  update: (dt) =>
   470→    to_remove = {}
   471→    for index, entry in ipairs @entries
   472→      if entry.cancelled
   473→        to_remove[] = index
   474→        continue
   475→      entry.time += dt
   476→
   477→      switch entry.mode
   478→        when 'after'
   479→          delay = entry.delay * (entry.multiplier or 1)
   480→          if entry.time >= delay
   481→            entry.callback!
   482→            to_remove[] = index
   483→
   484→        when 'every'
   485→          delay = entry.delay * (entry.multiplier or 1)
   486→          if entry.time >= delay
   487→            entry.callback!
   488→            entry.time -= delay
   489→            if entry.times
   490→              entry.count += 1
   491→              if entry.count >= entry.times
   492→                entry.after! if entry.after
   493→                to_remove[] = index
   494→
... [10 more lines]

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1265:#### timer\when(condition, name_or_callback, callback?)
1266-
1267-Runs callback every frame while condition is true.
1268-
1269-```yuescript
1270:@timer\when (-> @on_fire), =>
1271-  @hp -= 1
1272-  spawn_flame @x, @y
1273-```
1274-
1275----
1276-
1277-#### timer\cooldown(duration, name)
1278-
1279-Returns true once, then false until duration passes.
1280-
1281-```yuescript
1282-if @timer\cooldown 0.5, 'shoot'
1283-  @\shoot!
1284-```
1285-

1255:#### timer\watch(condition, name_or_callback, callback?)
1256-
1257-Runs callback once when condition becomes true.
1258-
1259-```yuescript
1260:@timer\watch (-> @hp <= 0), -> @\die!
1261-```
1262-
1263----
1264-
1265-#### timer\when(condition, name_or_callback, callback?)
1266-
1267-Runs callback every frame while condition is true.
1268-
1269-```yuescript
1270-@timer\when (-> @on_fire), =>
1271-  @hp -= 1
1272-  spawn_flame @x, @y
1273-```
1274-
1275----

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

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

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