damage Damages the Game Object. This removes the given amount of health from the health property. If health is taken below or is equal to zero

outOfBoundsKill : boolean If this and the checkWorldBounds property are both set to true then the kill

lifespan : number The lifespan allows you to give a Game Object a lifespan in milliseconds. Once the Game Object is 'born'

update() Override this method in your own custom objects to handle any update requirements.It is called immediately after preUpdate