LACS09_Body.java

//Body.java MrG 2012.0621
public class Body
{
    private Vector r;
    private Vector v;

    public Body(Vector r, Vector v)
    {
        this.r=r;
        this.v=v;
    }

    public void draw()
    {
        StdDraw.point(r.getX(),r.getY());
    }

    public void move(double time)
    {
        r = r.sum(v.dilate(time));
    }
}