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88 lines
2.7 KiB
CoffeeScript
88 lines
2.7 KiB
CoffeeScript
CocoClass = require 'core/CocoClass'
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module.exports = class CountdownScreen extends CocoClass
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subscriptions:
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'playback:real-time-playback-started': 'onRealTimePlaybackStarted'
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'playback:real-time-playback-ended': 'onRealTimePlaybackEnded'
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constructor: (options) ->
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super()
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options ?= {}
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@camera = options.camera
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@layer = options.layer
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@showsCountdown = options.showsCountdown
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console.error @toString(), 'needs a camera.' unless @camera
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console.error @toString(), 'needs a layer.' unless @layer
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@build()
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destroy: ->
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clearInterval @countdownInterval if @countdownInterval
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super()
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onCastingBegins: (e) -> @show() unless e.preload
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onCastingEnds: (e) -> @hide()
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toString: -> '<CountdownScreen>'
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build: ->
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@dimLayer = new createjs.Container()
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@dimLayer.mouseEnabled = @dimLayer.mouseChildren = false
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@dimLayer.addChild @dimScreen = new createjs.Shape()
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@dimScreen.graphics.beginFill('rgba(0,0,0,0.5)').rect 0, 0, @camera.canvasWidth, @camera.canvasHeight
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@dimLayer.alpha = 0
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@dimLayer.addChild @makeCountdownText()
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makeCountdownText: ->
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size = Math.ceil @camera.canvasHeight / 2
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text = new createjs.Text '3...', "#{size}px Open Sans Condensed", '#F7B42C'
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text.shadow = new createjs.Shadow '#000', Math.ceil(@camera.canvasHeight / 300), Math.ceil(@camera.canvasHeight / 300), Math.ceil(@camera.canvasHeight / 120)
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text.textAlign = 'center'
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text.textBaseline = 'middle'
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text.x = @camera.canvasWidth / 2
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text.y = @camera.canvasHeight / 2
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@text = text
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return text
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show: ->
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return if @showing
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createjs.Tween.removeTweens @dimLayer
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if @showsCountdown
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@dimLayer.alpha = 0
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@showing = true
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createjs.Tween.get(@dimLayer).to({alpha: 1}, 500)
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@secondsRemaining = 3
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@countdownInterval = setInterval @decrementCountdown, 1000
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@updateText()
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@layer.addChild @dimLayer
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else
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@endCountdown()
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hide: ->
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return unless @showing
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@showing = false
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createjs.Tween.removeTweens @dimLayer
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createjs.Tween.get(@dimLayer).to({alpha: 0}, 500).call => @layer.removeChild @dimLayer unless @destroyed
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decrementCountdown: =>
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return if @destroyed
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--@secondsRemaining
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@updateText()
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unless @secondsRemaining
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@endCountdown()
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updateText: ->
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@text.text = if @secondsRemaining then "#{@secondsRemaining}..." else '0!'
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endCountdown: ->
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console.log 'should actually start in 1s'
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clearInterval @countdownInterval if @countdownInterval
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@countdownInterval = null
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@hide()
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onRealTimePlaybackStarted: (e) ->
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@show()
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onRealTimePlaybackEnded: (e) ->
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clearInterval @countdownInterval if @countdownInterval
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@countdownInterval = null
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@hide()
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