#!/usr/bin/env python

#original code from Game Development with Python and Pygame by Will McGugan

import pygame
from pygame.locals import *
from sys import exit
from random import randint
from math import *

pygame.init()
screen = pygame.display.set_mode((640, 480), 0, 8)

points = []

while True:
        
    for event in pygame.event.get():
        if event.type == QUIT:
            exit()
        #if event.type == MOUSEBUTTONDOWN:
        #    points.append(event.pos)
    
    screen.fill((0,0,0))
    random_pos = (randint(0,639), int(240+200*sin(randint(0,479))))
    points.append(random_pos)
    if len(points) >= 3:
        pygame.draw.polygon(screen, (randint(200,255),randint(0,255),0), points)
    #for point in points:
    #    pygame.draw.circle(screen, (0,0,255), point, 0)
	if len(points) >=100:
		points=[]
        
    pygame.display.update()