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So, I recently downloaded pygame 1.8, and was surprised to see the collision callback functions make their way into the final release. I’d been under the impression that things were trending towards a much more complicated collision system, and thought these would get cut.
In any case, here’s a set of updates to the sprite.py collision functions that update them to match the modules coding style, include appropriate comments, and are about 20% faster. It also includes a collide_circle_ratio function for completeness, and perhaps most importantly, fixes a bug in colide_mask which kept it from working correctly.
By the way, I keep meaning to write a sweep and prune collision detection implementation that’ll plug into the standard sprite module, has anybody done that already? --------- John Krukoff helot@xxxxxxxxxxx
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