public AdapterPhysics(World world) {
		this.world = world;
		this.numObjs = world.getSize();
		this.gravityInteraction = new int[numObjs + 1];
		this.sourceGravity = new int[numObjs + 1];
		this.electromagneticInteraction = new int[numObjs + 1];
		this.simulators = new ArrayList<Physics>();
		this.objects = new ArrayList<PhysObject3D>();
		analysisInteraction();
		createSimulator();
	}