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1answer
91 views

How do physics engines like Box2D detect and respond to collisions between arbitrary polygons?

I've always wondered how collision detection like this was achieved, and I've always wondered what the response would be. Do they perform line-line intersection tests for each line making up the two ...
2
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1answer
230 views

Box 2d and really complex big shapes

I intended to use jbox2d for my project. But as I went deeper into it's manual I'd found out that it supports dynamic objects between 0.1 and 10 meters (if use scaling and assume that 0.1 is smallest ...