Here's a short overview on how hitboxes and collisions work. Might talk about a few more optimization tricks in future videos!
New game dev videos out every Monday!
New gameplay videos out (usually) every Wednesday and Friday:
https://www.youtube.com/channel/UC0lqOJRkJg_9bm3bMI89ryA
Check out this article on advanced collisions: http://www.gamasutra.com/view/feature/131598/advanced_collision_detection_.php?page=3
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