codecombat/app/core/ParticleMan.coffee
2015-01-31 10:08:54 -08:00

258 lines
7.4 KiB
CoffeeScript

CocoClass = require 'core/CocoClass'
utils = require 'core/utils'
module.exports = ParticleMan = class ParticleMan extends CocoClass
constructor: ->
return @unsupported = true unless Modernizr.webgl
@renderer = new THREE.WebGLRenderer alpha: true
$(@renderer.domElement).addClass 'particle-man'
@scene = new THREE.Scene()
@clock = new THREE.Clock()
@particleGroups = []
destroy: ->
@detach()
# TODO: figure out how to dispose everything
# scene.remove(mesh)
# mesh.dispose()
# geometry.dispose()
# material.dispose()
# texture.dispose()
super()
attach: (@$el) ->
return if @unsupported
width = @$el.innerWidth()
height = @$el.innerHeight()
@aspectRatio = width / height
@renderer.setSize(width, height)
@$el.append @renderer.domElement
@camera = camera = new THREE.OrthographicCamera(
100 * -0.5, # Left
100 * 0.5, # Right
100 * 0.5 * @aspectRatio, # Top
100 * -0.5 * @aspectRatio, # Bottom
0, # Near frustrum distance
1000 # Far frustrum distance
)
@camera.position.set(0, 0, 100)
@camera.up = new THREE.Vector3(0, 1, 0) # http://stackoverflow.com/questions/14271672/moving-the-camera-lookat-and-rotations-in-three-js
@camera.lookAt new THREE.Vector3(0, 0, 0)
unless @started
@started = true
@render()
detach: ->
return if @unsupported
@renderer.domElement.remove()
@started = false
render: =>
return if @unsupported
return if @destroyed
return unless @started
@renderer.render @scene, @camera
dt = @clock.getDelta()
for group in @particleGroups
group.tick dt
requestAnimationFrame @render
#@countFPS()
countFPS: ->
@framesRendered ?= 0
++@framesRendered
@lastFPS ?= new Date()
now = new Date()
if now - @lastFPS > 1000
console.log @framesRendered, 'fps with', @particleGroups.length, 'particle groups.'
@framesRendered = 0
@lastFPS = now
addEmitter: (x, y, kind="level-dungeon-premium") ->
return if @unsupported
console.log 'adding kind', kind
options = $.extend true, {}, particleKinds[kind]
options.group.texture = THREE.ImageUtils.loadTexture "/images/common/particles/#{options.group.texture}.png"
scale = 100
aspectRatio = @$el
group = new SPE.Group options.group
group.mesh.position.x = scale * (-0.5 + x)
group.mesh.position.y = scale * (-0.5 + y) * @aspectRatio
emitter = new SPE.Emitter options.emitter
group.addEmitter emitter
@particleGroups.push group
@scene.add group.mesh
group
removeEmitter: (group) ->
return if @unsupported
@scene.remove group.mesh
@particleGroups = _.without @particleGroups, group
removeEmitters: ->
return if @unsupported
@removeEmitter group for group in @particleGroups.slice()
#addTestCube: ->
#geometry = new THREE.BoxGeometry 5, 5, 5
#material = new THREE.MeshLambertMaterial color: 0xFF0000
#mesh = new THREE.Mesh geometry, material
#@scene.add mesh
#light = new THREE.PointLight 0xFFFF00
#light.position.set 10, 0, 20
#@scene.add light
hsl = (hue, saturation, lightness) ->
new THREE.Color utils.hslToHex([hue, saturation, lightness])
vec = (x, y, z) ->
new THREE.Vector3 x, y, z
defaults =
group:
texture: 'star'
maxAge: 1.9
radius: 0.75
hasPerspective: 1
colorize: 1
transparent: 1
alphaTest: 0.5
depthWrite: false
depthTest: true
blending: THREE.NormalBlending
emitter:
type: "disk"
particleCount: 100
radius: 1
position: vec 0, 0, 0
positionSpread: vec 1, 0, 1
acceleration: vec 0, 2, 0
accelerationSpread: vec 0, 0, 0
velocity: vec 0, 4, 0
velocitySpread: vec 2, 2, 2
sizeStart: 6
sizeStartSpread: 1
sizeMiddle: 4
sizeMiddleSpread: 1
sizeEnd: 2
sizeEndSpread: 1
angleStart: 0
angleStartSpread: 0
angleMiddle: 0
angleMiddleSpread: 0
angleEnd: 0
angleEndSpread: 0
angleAlignVelocity: false
colorStart: hsl 0.55, 0.75, 0.75
colorStartSpread: vec 0.3, 0.3, 0.3
colorMiddle: hsl 0.55, 0.6, 0.5
colorMiddleSpread: vec 0.2, 0.2, 0.2
colorEnd: hsl 0.55, 0.5, 0.25
colorEndSpread: vec 0.1, 0.1, 0.1
opacityStart: 1
opacityStartSpread: 0
opacityMiddle: 0.75
opacityMiddleSpread: 0
opacityEnd: 0.25
opacityEndSpread: 0
duration: null
alive: 1
isStatic: 0
ext = (d, options) ->
$.extend true, {}, d, options ? {}
particleKinds =
'level-dungeon-premium': ext defaults
'level-forest-premium': ext defaults,
emitter:
colorStart: hsl 0.56, 0.97, 0.5
colorMiddle: hsl 0.56, 0.57, 0.5
colorEnd: hsl 0.56, 0.17, 0.5
'level-desert-premium': ext defaults,
emitter:
colorStart: hsl 0.56, 0.97, 0.5
colorMiddle: hsl 0.56, 0.57, 0.5
colorEnd: hsl 0.56, 0.17, 0.5
'level-mountain-premium': ext defaults,
emitter:
colorStart: hsl 0.56, 0.97, 0.5
colorMiddle: hsl 0.56, 0.57, 0.5
colorEnd: hsl 0.56, 0.17, 0.5
particleKinds['level-dungeon-gate'] = ext particleKinds['level-dungeon-premium'],
emitter:
particleCount: 120
velocity: vec 0, 6, 0
colorStart: hsl 0.5, 0.75, 0.9
colorMiddle: hsl 0.5, 0.75, 0.7
colorEnd: hsl 0.5, 0.75, 0.3
colorStartSpread: vec 1, 1, 1
colorMiddleSpread: vec 1.5, 1.5, 1.5
colorEndSpread: vec 2.5, 2.5, 2.5
particleKinds['level-dungeon-hero-ladder'] = ext particleKinds['level-dungeon-premium'],
emitter:
particleCount: 90
velocity: vec 0, 4, 0
colorStart: hsl 0, 0.75, 0.7
colorMiddle: hsl 0, 0.75, 0.5
colorEnd: hsl 0, 0.75, 0.3
particleKinds['level-forest-gate'] = ext particleKinds['level-forest-premium'],
emitter:
particleCount: 120
velocity: vec 0, 8, 0
colorStart: hsl 0.56, 0.97, 0.3
colorMiddle: hsl 0.56, 0.57, 0.3
colorEnd: hsl 0.56, 0.17, 0.3
colorStartSpread: vec 1, 1, 1
colorMiddleSpread: vec 1.5, 1.5, 1.5
colorEndSpread: vec 2.5, 2.5, 2.5
particleKinds['level-forest-hero-ladder'] = ext particleKinds['level-forest-premium'],
emitter:
particleCount: 90
velocity: vec 0, 4, 0
colorStart: hsl 0, 0.95, 0.3
colorMiddle: hsl 0, 1, 0.5
colorEnd: hsl 0, 0.75, 0.1
particleKinds['level-desert-gate'] = ext particleKinds['level-desert-premium'],
emitter:
particleCount: 120
velocity: vec 0, 8, 0
colorStart: hsl 0.56, 0.97, 0.3
colorMiddle: hsl 0.56, 0.57, 0.3
colorEnd: hsl 0.56, 0.17, 0.3
colorStartSpread: vec 1, 1, 1
colorMiddleSpread: vec 1.5, 1.5, 1.5
colorEndSpread: vec 2.5, 2.5, 2.5
particleKinds['level-desert-hero-ladder'] = ext particleKinds['level-desert-premium'],
emitter:
particleCount: 90
velocity: vec 0, 4, 0
colorStart: hsl 0, 0.95, 0.3
colorMiddle: hsl 0, 1, 0.5
colorEnd: hsl 0, 0.75, 0.1
particleKinds['level-dungeon-gate'] = ext particleKinds['level-dungeon-premium'],
emitter:
particleCount: 120
velocity: vec 0, 8, 0
colorStart: hsl 0.56, 0.97, 0.3
colorMiddle: hsl 0.56, 0.57, 0.3
colorEnd: hsl 0.56, 0.17, 0.3
colorStartSpread: vec 1, 1, 1
colorMiddleSpread: vec 1.5, 1.5, 1.5
colorEndSpread: vec 2.5, 2.5, 2.5
particleKinds['level-dungeon-hero-ladder'] = ext particleKinds['level-dungeon-premium'],
emitter:
particleCount: 90
velocity: vec 0, 4, 0
colorStart: hsl 0, 0.95, 0.3
colorMiddle: hsl 0, 1, 0.5
colorEnd: hsl 0, 0.75, 0.1