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i nave little qiestion on code, when stops physics engine how can restarted?

https://docs.coronalabs.com/guide/physics/physicssetup/index.html

start / pause / stop

the following functions start, pause, , stop physics simulation:

physics.start() — either instantiates or resumes simulation (if paused). must start physics simulation before calling other physics functions in guide. physics.pause() — pauses physics simulation. physics.stop() — treated request "destroy" physics world. if merely want pause physics engine, use physics.pause().

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