import java.awt.*;
abstract class Kujund{
  double x, y, dx, dy;
  public abstract void joonista(Graphics g);
  public final int TABAMISKAUGUS=20;
  public abstract boolean kasPihtas(int hx, int hy);
  public void muudaAsukoht(int ux, int uy){
     x=ux; y=uy;
  }
  public void muudaKiiruseSamm(double udx, double udy){
     dx=udx; dy=udy;
  }
  public void liigu(){x+=dx; y+=dy;}
  public int kysiX(){return (int)x;}
  public int kysiY(){return (int)y;}
}