import java.util.* ;

public class Driver {
	public static void main (String args[]) 
	{
		System.out.println("hi") ;
		
		Random rnumgen = new Random() ;
		
		MovingBall mb = new MovingBall(0.3,0.5,0.04,0.02,0.03) ;
		
		ArrayList<MovingBall> balls = new ArrayList<MovingBall>() ;
		
		double offSet = 1.0 / (double) 15 ;
		
		for (int i = 0 ; i < 15 ; i++)
		{
			mb = new MovingBall( rnumgen.nextDouble(),rnumgen.nextDouble() , 0.02, 0.02, 0.02) ;
			balls.add(mb) ;
		}
		
		StdDraw.setXscale(0,1) ;
		StdDraw.setYscale(0,1) ;
		
		StdDraw.line(0,0,1,0) ;
		StdDraw.line(1,0,1,1) ;
		StdDraw.line(1,1,0,1) ;
		StdDraw.line(0,1,0,0) ;
		
		
		int count = 1 ;
		while (true)
		{
			StdDraw.clear();
			StdDraw.line(0,0,1,0) ;
			StdDraw.line(1,0,1,1) ;
			StdDraw.line(1,1,0,1) ;
			StdDraw.line(0,1,0,0) ;
			
			
			for (int i = 0 ; i < balls.size() ; i++)
			{
				balls.get(i).UpdateLocation() ;
				balls.get(i).Draw();
			}
			// mb.UpdateLocation();
			// mb.Draw() ;
			StdDraw.show(100) ;
		}
	}

}