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Detect object click when overlapped by transparent object?


webkitstudio
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I want to create a city builder.

Some objects will have transparent pixels, but they still capture click events. Is there a way to figure out which object was clicked in a way more advanced than just rectangles for shapes? I'm thinking I might have to figure out the click coordinates, then iterate over all objects in that point, starting with highest z-order, until I reach a non-transparent pixel.

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