Physics sleep: Difference between revisions
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You may have encountered a situation where there is a physics object, and a script suddenly removes the floor it's resting on, yet it doesn't fall down. Usually this happens when an object falls asleep. | You may have encountered a situation where there is a physics [[object]], and a script suddenly removes the floor it's resting on, yet it doesn't fall down. Usually this happens when an object falls asleep. | ||
Simulating physics requires a lot of computing power, so the physics engine puts objects that haven't been active to sleep. This usually happens after 120 frames (2 seconds) if the object's [[Get Velocity|velocity]] is low enough. Sleeping objects use up very little resources, and if something happens to them, they'll automatically wake up and react to that. | Simulating physics requires a lot of computing power, so the physics engine puts objects that haven't been active to sleep. This usually happens after 120 frames (2 seconds) if the object's [[Get Velocity|velocity]] is low enough. Sleeping objects use up very little resources, and if something happens to them, they'll automatically wake up and react to that. | ||