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January 3, 2018 15:57
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Detect when a layer is inside or overlaps another layer. eg. layerA.isOverlapping(layerB)
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Layer::isOverlapping = (targetLayer, offset = 0) -> | |
if @screenFrame.x + @width + offset >= targetLayer.screenFrame.x && | |
@screenFrame.x - offset <= targetLayer.screenFrame.x + targetLayer.width && | |
@screenFrame.y + @height + offset >= targetLayer.screenFrame.y && | |
@screenFrame.y - offset <= targetLayer.screenFrame.y + targetLayer.height | |
true | |
else | |
false | |
Layer::isInside = (targetLayer, offset = 0) -> | |
if @screenFrame.x + offset >= targetLayer.screenFrame.x && | |
@screenFrame.x - offset <= targetLayer.screenFrame.x + targetLayer.width - @width && | |
@screenFrame.y + offset >= targetLayer.screenFrame.y && | |
@screenFrame.y - offset <= targetLayer.screenFrame.y + targetLayer.height - @height | |
true | |
else | |
false |
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