AVALON DE UNLIMITED

http://forum.falinux.com/zbxe/index.php?document_srl=405836&mid=network_programming

#! game snake

import pygame, sys, time, random
from pygame.locals import *

pygame.init()
fpsClock = pygame.time.Clock()

playSurface = pygame.display.set_mode((640, 480))
pygame.display.set_caption('Raspberry Snake')
redColor = pygame.Color(255,0,0)
blackColor = pygame.Color(0,0,0)
whiteColor = pygame.Color(255,255,255,0)
greyColor = pygame.Color(150,150,150)

snakePosition = [100,100]
snakeSegments = [[100,100],[80,100],[60,100]]
raspberryPosition = [300,300]
raspberrySpawned = 1
direction = 'right'
changeDirection = direction

def gameOver():
    gameOverFont = pygmae.font.Font('freesansbold.ttf',72)
    gameOverSurf = gameOverFont.render('Game Over',True,greyColor)
    gameOverRect = gameOverSurf.get_rect()
    playSurface.blit(gameOverSurf, gameOverRect)
    pygame.display.flip()
    time.sleep(5)
    pygame.quit()
    sys.exit()
   
while True:
    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
            sys.exit()
        elif event.type == KEYDOWN:
            if event.key == K_RIGHT or event.key == ord('d'):
                changeDirection = 'right'
            if event.key == K_LEFT or event.key == ord('a'):
                changeDirection = 'left'
            if event.key == K_UP or event.key == ord('w'):
                changeDirection = 'up'
            if event.key == K_DOWN or event.key == ord('s'):
                changeDirection = 'down'
            if event.key == K_ESCAPE:
                pygame.event.post(pygame.event.Event(QUIT))
       
    if changeDirection == 'right' and not direction == 'left':
        direction = changeDirection
    if changeDirection == 'left' and not direction == 'right':
        direction = changeDirection
    if changeDirection == 'up' and not direction == 'down':
        direction = changeDirection
    if changeDirection == 'down' and not direction == 'up':
        direction = changeDirection
       
    if direction == 'right':
        snakePosition[0] += 20
    if direction == 'left':
        snakePosition[0] -= 20
    if direction == 'up':
        snakePosition[1] -= 20
    if direction == 'down':
        snakePosition[1] += 20

    snakeSegments.insert(0,list(snakePosition))
        
    if snakePosition[0] == raspberryPosition[0] and snakePosition[1] == raspberryPosition[1]:
        raspberrySpawned = 0
    else:
        snakeSegments.pop()
       
    if raspberrySpawned == 0:
        x = random.randrange(1,32)
        y = random.randrange(1,24)
        raspberryPosition = [int(x*20),int(y*20)]
    raspberrySpawned = 1

    playSurface.fill(blackColor)
    for position in snakeSegments:
        pygame.draw.rect(playSurface,whiteColor,Rect(position[0], position[1], 20, 20))
        pygame.draw.rect(playSurface,redColor,Rect(raspberryPosition[0], raspberryPosition[1], 20, 20))
    pygame.display.flip()

    if snakePosition[0] > 620 or snakePosition[0] < 0:
        gameOver()
    if snakePosition[1] > 460 or snakePosition[1] < 0:
        gameOver()

    for snakeBody in snakeSegments[1:]:
        if snakePosition[0] == snakeBody[0] and snakePosition[1] == snakeBody[1]:
            gameOver()

    fpsClock.tick(20)