colrects.py

#!/usr/bin/env python
# a pygame script to draw random size/color rectangle on the screen.
# It's adapted from http://apress.com/book/view/9781590598726 chapter 4

import pygame
from pygame.locals import *
from random import *
import sys
pygame.init()
screen = pygame.display.set_mode((640, 480), FULLSCREEN, 32)
clock = pygame.time.Clock()
fullscreen = False

while True:
    for event in pygame.event.get():
        if event.type == QUIT:
            sys.exit(0)
        if event.type == KEYDOWN:
            if event.key == K_f:
                fullscreen = not fullscreen
                if fullscreen:
                    screen = pygame.display.set_mode((640, 480), FULLSCREEN, 32)
                else:
                    screen = pygame.display.set_mode((640, 480), 0, 32)
            else:
                sys.exit(0)

    clock.tick(30)

    screen.lock()
    for count in range(10):
        random_color = (randint(0, 255), randint(0, 255), randint(0, 255))
        random_pos = (randint(0, 639), randint(0, 479))
        random_size = (639 - randint(random_pos[0], 639), 479 - randint(random_pos[1], 479))
        pygame.draw.rect(screen, random_color, (random_pos, random_size))
    screen.unlock()

    pygame.display.update()