public void act()
    {

    	step++;



    	if(canMove() == true)
    	{
    		if(step%2 == 0)
    		{

    			if(getColor().equals(new Color (150,0,150)))
    			{
    				setColor(originalColor);
    			}
    			else
    			{
    				originalColor = getColor();
    			}
    			move();
    		}
    	}
    	else
    	{
    		if(step%2 == 0)
    		{
    			setColor(new Color(150,0,150));
    			turn();
    		}
    	}




    }