"atomic component"; var component = function (self) { var node = self.node; var body = node.createComponent("RigidBody2D"); body.setBodyType(Atomic.BT_DYNAMIC); body.fixedRotation = true; body.bullet = true; body.castShadows = false; var circle = node.createComponent("CollisionCircle2D"); // Set radius circle.setRadius(.5); // Set density circle.setDensity(1.0); // Set friction. circle.friction = .2; // Set restitution circle.setRestitution(0.1); self.start = function() { } self.update = function(timeStep) { } } exports.component = component;