Calculating Cartoons

The huge challenge is making these things "directable"... Suppose the director wants [a mug dropped onto a table] to land upright, but in an accurate physics simulation, the vessel always ends up on its side. By adding subtle unevenness to what had been a perfectly flat table top, the scientists showed that they can create conditions in which the mug bounces a few times and then settles upright.
Calculating Cartoons is a substantive, accessible look at how animators and game creators program physics simulations to acheive ever-more realistic special effects.
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