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34 lines
1 KiB
CoffeeScript
34 lines
1 KiB
CoffeeScript
CocoClass = require 'lib/CocoClass'
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module.exports = class PointChooser extends CocoClass
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constructor: (@options) ->
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super()
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@buildShape()
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@options.stage.addEventListener 'stagemousedown', @onMouseDown
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@options.camera.dragDisabled = true
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destroy: ->
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@options.stage.removeEventListener 'stagemousedown', @onMouseDown
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super()
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# Called also from WorldSelectModal
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setPoint: (@point) ->
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@updateShape()
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buildShape: ->
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@shape = new createjs.Shape()
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@shape.alpha = 0.9
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@shape.mouseEnabled = false
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@shape.graphics.setStrokeStyle(1, 'round').beginStroke('#000000').beginFill('#fedcba')
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@shape.graphics.drawCircle(0, 0, 4).endFill()
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onMouseDown: (e) =>
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return unless key.shift
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@setPoint @options.camera.screenToWorld {x: e.stageX, y: e.stageY}
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Backbone.Mediator.publish 'surface:choose-point', point: @point
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updateShape: ->
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sup = @options.camera.worldToSurface @point
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@options.surfaceLayer.addChild @shape unless @shape.parent
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@shape.x = sup.x
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@shape.y = sup.y
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