public class Kulicky
{
    private Elipsa E1;
    private Elipsa E2;
    private int posun1=1;
    private int posun2=1;
    private int c;
    private int d;
    
    public Kulicky()
    {
        E1 = new Elipsa(0,120,20,20,Barva.MODRÁ);
        E2 = new Elipsa(280,120,20,20,Barva.ČERVENÁ);
    }
    
    public void pohyb(int p)
    {
        
        while(p>=1)
        {
            E1.setPozice(E1.getX()+posun1,E1.getY()+0);
            E2.setPozice(E2.getX()-posun2,E2.getY()+0);
            P.čekej(20);
            
            if(E1.getX() == 0)
            {
                posun1=1;
            }
            
            if(E1.getX() == 130)
            {
                posun1=-1;
                p--;
                if(c == 0)
                {
                    E1.setBarva(Barva.ČERVENÁ);
                    c=1;
                }
                else if(c == 1)
                {
                    E1.setBarva(Barva.MODRÁ);
                    c=0;
                }
            }
            
            if(E2.getX() == 280)
            {
                p--;
                posun2=1;
            }
            
            if(E2.getX() == 150)
            {
                posun2=-1;
                if(d == 0)
                {
                    E2.setBarva(Barva.MODRÁ);
                    d=1;
                }
                else if(d == 1)
                {
                    E2.setBarva(Barva.ČERVENÁ);
                    d=0;
                }
            }
        }
    }
}