body : Phaser.Physics.Arcade.Body | Phaser.Physics.P2.Body | Phaser.Physics.Ninja.Body | null
body is the Game Objects physics body. Once a Game Object is enabled for physics you access all associatedproperties and methods via it. By default Game Objects won't add themselves to any physics system and their body property will be null. To enable this Game Object for physics you need to call game.physics.enable(object, system) where object is this objectand system is the Physics system you are u