public class mass extends Mover { /** * Act - do whatever the mass wants to do. This method is called whenever * the 'Act' or 'Run' button gets pressed in the environment. */ public mass() { vector v1 = new vector(); v1.setLength(3); v1.setAngle(Math.PI/60); } public void act() { setLocation(getX()+v1.getDx(), getY()+v1.getDy()); } }

