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30 lines
968 B
CoffeeScript
30 lines
968 B
CoffeeScript
module.exports = class CameraBorder extends createjs.Container
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layerPriority: 100
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subscriptions: {}
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constructor: (options) ->
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super()
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@initialize()
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@mouseEnabled = @mouseChildren = false
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@updateBounds options.bounds
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Backbone.Mediator.subscribe(channel, @[func], @) for channel, func of @subscriptions
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destroy: ->
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Backbone.Mediator.unsubscribe(channel, @[func], @) for channel, func of @subscriptions
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updateBounds: (bounds) ->
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return if _.isEqual bounds, @bounds
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@bounds = bounds
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if @border
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@removeChild @border
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@border = null
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return unless @bounds
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@addChild @border = new createjs.Shape()
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width = 20
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i = width
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while i
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opacity = 3 * (1 - (i/width)) / width
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@border.graphics.setStrokeStyle(i,"round").beginStroke("rgba(0,0,0,#{opacity})").drawRect(bounds.x, bounds.y, bounds.width, bounds.height)
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i -= 1
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@border.cache bounds.x, bounds.y, bounds.width, bounds.height
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