public class Kulicka_odraz
{
    private Elipsa E1;
    private int x=1;
    private int y=2;
    
    public Kulicka_odraz()
    {
        E1 = new Elipsa(0,0,20,20,Barva.MODRÁ);
    }
    
    public void pohyb(int p)
    {
        while(p>=1)
        {
           E1.setPozice(E1.getX()+x,E1.getY()+y);
           P.čekej(10);
            
           if(E1.getY() == 0 && E1.getX() == 0)
           {
               x=1;
               y=2;
               p--;
           }
           
           if(E1.getY() == 280)
           {
               x=1;
               y=-1;
               p--;
           }
           
           if(E1.getX() == 280)
           {
               x=-1;
               y=-1;
               p--;
           }
           
           if(E1.getY() == 0)
           {
               x=-1;
               y=1;
               p--;
           }
           
           if(E1.getX() == 0)
           {
               x=1;
               y=1;
               p--;
           }
        }
    }
}