import penndraw
import ball

def main():
    N = 40
    all_balls = []

    for _ in range(N):
        all_balls.append(ball.Ball())
    
    penndraw.set_canvas_size(600, 600)

    while True:
        penndraw.clear()
        for current_ball in all_balls:
            current_ball.draw()
            current_ball.update()
        penndraw.advance()

    penndraw.run()


if __name__ == "__main__":
    main()