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<Advanced Flash 8 Game Programming : Pixel level collision detection ⁄ >




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I had to take a little break after finishing Retroblaster to unwind before I started making games again. I plan to re-write my game loop and much of my game code in this public forum for a couple reasons. One is the selfish need of a cathartic outlet, and the other is to help aide other fledgling Flash game programmers. You will be learning as I learn. I will post my examples here, complete with code explanations and .fla files to download. The first lesson will be in collision detection. If you have tried the many popular methods of collision detection (hitTest, circle to circle, hitTest with a shape flag, etc) you will find none of them as accurate as pixel level detection. The downside is that pixel level detection will probably slow down a game with many objects all interacting at once. I have not done any frame rate tests, but a future post will compare the methods and see.



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