hard20 pts · first answer countsgame-physicscollisionoptimisation

Why sweep-and-prune is fast

Sweep-and-prune sorts AABB endpoints along an axis. Why is it fast frame to frame in typical games?

A.Lists stay nearly sorted, so re-sorting is cheapB.It never needs to sort the endpoints at allC.It only tests spheres, which are cheapD.It always runs entirely on the GPU

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Why sweep-and-prune is fast

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