Interaction
- Need to be able to associate callbacks with objects in order
to make the world interactive
- Events that can be handled usually include an object being
- touched
- grabbed
- moved
- dropped
- hit
- ...
- Typical actions include
- Incrementing/decrementing a variable
- Providing haptic feedback
- Providing audio feedback
- Deforming an object
- Telling another object to do something
- ...
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