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So in fact you need to perform a complicated area intersection with the area traced out by the moving object and the boundary line unless you can guarantee that the object won't move twice it's "diameter" or more in a single update.


Perl reduces RSI - it saves typing

In reply to Re^3: Some simple 2d game-related maths questions by GrandFather
in thread Some simple 2d game-related maths questions by skx

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