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Per Ericson Ch. 6 + Erin Catto, CONTINUOUS COLLISION DETECTION (CCD) addresses which problem of fast-moving objects?
ATunneling: object passing through walls between two ticks
BAudio lag between collision impact and sound playback
CWrong texture filtering on the collision surface itself
DZ-fighting between coplanar surfaces of contact
Answer & Solution
Correct answer: A. Tunneling: object passing through walls between two ticks
Ericson Ch. 6: discrete collision detection samples positions at each tick; fast bullets can pass through walls. CCD sweeps the shape along its motion to catch this.
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