is it possible to change the type of material like if we want to make sprite a behave like iron, steel, wood, plastic or any other solid material type is it can be achived in p2 physics like this var rocket = game.add.sprite(4,2,'rocket'); rocket.density = 3.6; rocket.volume = 12; rocket.resistence = 12; rocket.friction = 23; and so on....! please it's very important