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iphone - How to get pixel color from SKSpriteNode or from SKTexture?

I want to get precise selection of my object on game map. Object is a sprite with which has some transparent pixels around and I want to test touch location for these transparent pixels. Any clue?

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In Sprite Kit you don't have access to texture data.

Instead you'd have to create a bit mask from the image, for example by loading the image as UIImage or CGImage and scanning for all non-transparent pixels.


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