new Physics(game, physicsConfig)
The Physics Manager is responsible for looking after all of the running physics systems.Phaser supports 4 physics systems: Arcade Physics, P2, Ninja Physics and Box2D via a commercial plugin. Game Objects (such as Sprites) can only belong to 1 physics system, but you can have multiple systems active in a single game. For example you could have P2 managing a polygon-built terrain landscape that an vehicle drives over, while it could be firing bullets that use t