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PUBLIC MARKS from sylvainulg with tags "video game" & collision

2011

The life of a Games Programmer: Collision detection...

(via)

Lemmings never did full sprite to background collision checking, in fact all it did was test a pixel at the feet of a lemming, into the mask. And you could do that directly in GML if you wanted to! In fact, Lemmings had a "1600x160" play area, and you could easily convert this to a 200x160 "BIT" per-pixel mask.

collision gamemaker coding video game