codecombat/app/lib/surface/CastingScreen.coffee

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CocoClass = require 'lib/CocoClass'
module.exports = class CastingScreen extends CocoClass
subscriptions:
'tome:cast-spells': 'onCastingBegins'
'god:new-world-created': 'onCastingEnds'
constructor: (options) ->
super()
options ?= {}
@camera = options.camera
@layer = options.layer
console.error @toString(), "needs a camera." unless @camera
console.error @toString(), "needs a layer." unless @layer
@build()
onCastingBegins: ->
@show()
onCastingEnds: ->
@hide()
toString: -> "<CastingScreen>"
build: ->
@dimLayer = new createjs.Container()
@dimLayer.mouseEnabled = @dimLayer.mouseChildren = false
@dimLayer.layerIndex = -11
@dimLayer.addChild @dimScreen = new createjs.Shape()
@dimScreen.graphics.beginFill("rgba(0,0,0,0.5)").rect 0, 0, @camera.canvasWidth, @camera.canvasHeight
@dimLayer.cache 0, 0, @camera.canvasWidth, @camera.canvasHeight
@dimLayer.alpha = 0
@layer.addChild @dimLayer
show: ->
return if @on
@on = true
@dimLayer.alpha = 0
createjs.Tween.removeTweens @dimLayer
createjs.Tween.get(@dimLayer).to({alpha:1}, 500)
hide: ->
return unless @on
@on = false
createjs.Tween.removeTweens @dimLayer
createjs.Tween.get(@dimLayer).to({alpha:0}, 500)