[程序分享] 用 Python 和 Pygame 写的小游戏贪吃蛇！ [推广有奖]

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奇点ML 发表于 2017-7-21 14:20:01 |AI写论文

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Pygame 介绍--Pygame是跨平台Python模块，专为电子游戏设计。
包含图像、声音。

pygame
建立在SDL基础上，允许实时电子游戏研发而无需被低级语言（束缚。基于这样一个设想，所有需要的游戏功能和理念都（主要是图像方面）都完全简化为游戏逻辑本身，所有的资源结构都可以由高级语言提供，如Python。

Python 语言编写的小游戏：

# -*- coding: utf-8 -*-
import sys,pygame,random
from pygame.locals
windowWidth=800
windowHeight=800
cellSize=20
head = 0
def main():
#初始化
pygame.init()
global screen
screen=pygame.display.set_mode((windowWidth,windowHeight))
pygame.display.set_caption("Greedy Snake")
gameStart()
FPS=pygame.time.Clock()
startX=cellSize*random.randint(8,windowWidth/cellSize-8)
startY=cellSize*random.randint(8,windowHeight/cellSize-8)
snake=[{'x': startX , 'y': startY},
{'x': startX - 1 * cellSize, 'y': startY},
{'x': startX - 2 * cellSize, 'y': startY},
{'x': startX - 3 * cellSize, 'y': startY}]
appleX = cellSize * random.randint(0, windowWidth / cellSize)
appleY = cellSize * random.randint(0, windowHeight / cellSize)
while True:
FPS.tick(15)
for event in pygame.event.get():
if event.type==QUIT:
pygame.quit()
sys.exit()
if event.type==KEYDOWN:
turn(snake,event)
move(snake)
if snake[head]['x']==appleX and snake[head]['y']==appleY:
appleX = cellSize * random.randint(0, windowWidth / cellSize)
appleY = cellSize * random.randint(0, windowHeight / cellSize)
eat(snake)
if snake[head]['x']<0 or snake[head]['x']>windowWidth or snake[head]['y']<0 or snake[head]['y']>windowHeight:
gameOver(snake)
for body in snake[1:]:
if body==snake[head]:
gameOver(snake)
screen.fill((0, 150, 0))
drawgrid()
drawSnake(snake)
pygame.draw.rect(screen, (255, 0, 0), (appleX, appleY, cellSize, cellSize))
pygame.display.update()
#绘制网格
def drawgrid():
for i in xrange(cellSize,windowWidth,cellSize):
pygame.draw.line(screen,(0,255,0),(i,0),(i,windowHeight),1)
for j in xrange(cellSize,windowHeight,cellSize):
pygame.draw.line(screen,(0,255,0),(0,j),(windowWidth,j),1)
#绘制蛇
def drawSnake(snake):
for cood in snake:
pygame.draw.rect(screen,(150,150,0),(cood['x'],cood['y'],cellSize,cellSize))
pygame.draw.rect(screen, (250, 250, 0), (snake[head]['x'], snake[head]['y'], cellSize, cellSize))
def turn(snake,event):
# 上下转向
if snake[head]['y'] == snake[1]['y']:
if event.key == K_UP:
del snake[-1]
newHead = {'x': snake[head]['x'], 'y': snake[head]['y'] - cellSize}
snake.insert(0, newHead)
elif event.key == K_DOWN:
del snake[-1]
newHead = {'x': snake[head]['x'], 'y': snake[head]['y'] + cellSize}
snake.insert(0, newHead)
# 左右转向
if snake[head]['x'] == snake[1]['x']:
if event.key == K_LEFT:
del snake[-1]
newHead = {'x': snake[head]['x'] - cellSize, 'y': snake[head]['y']}
snake.insert(0, newHead)
if event.key == K_RIGHT:
del snake[-1]
newHead = {'x': snake[head]['x'] + cellSize, 'y': snake[head]['y']}
snake.insert(0, newHead)
def move(snake):
# 向左运动
if snake[head]['x'] < snake[1]['x']:
del snake[-1]
newHead = {'x': snake[head]['x'] - cellSize, 'y': snake[head]['y']}
snake.insert(0, newHead)
# 向右运动
elif snake[head]['x'] > snake[1]['x']:
del snake[-1]
newHead = {'x': snake[head]['x'] + cellSize, 'y': snake[head]['y']}
snake.insert(0, newHead)
# 向上运动
elif snake[head]['y'] < snake[1]['y']:
del snake[-1]
newHead = {'x': snake[head]['x'], 'y': snake[head]['y'] - cellSize}
snake.insert(0, newHead)
# 向下运动
elif snake[head]['y'] > snake[1]['y']:
del snake[-1]
newHead = {'x': snake[head]['x'], 'y': snake[head]['y'] + cellSize}
snake.insert(0, newHead)
def eat(snake):
# 向左运动
if snake[head]['x'] < snake[1]['x']:
newHead = {'x': snake[head]['x'] - cellSize, 'y': snake[head]['y']}
snake.insert(0, newHead)
# 向右运动
elif snake[head]['x'] > snake[1]['x']:
newHead = {'x': snake[head]['x'] + cellSize, 'y': snake[head]['y']}
snake.insert(0, newHead)
# 向上运动
elif snake[head]['y'] < snake[1]['y']:
newHead = {'x': snake[head]['x'], 'y': snake[head]['y'] - cellSize}
snake.insert(0, newHead)
# 向下运动
elif snake[head]['y'] > snake[1]['y']:
newHead = {'x': snake[head]['x'], 'y': snake[head]['y'] + cellSize}
snake.insert(0, newHead)
def gameStart():
screen.fill((0, 150, 0))
drawgrid()
fontObj1 = pygame.font.Font('freesansbold.ttf', 60)
textSurfaceObj1 = fontObj1.render('Greedy Snake', True, (255,255,255))
textRectObj1 = textSurfaceObj1.get_rect()
textRectObj1.center = (windowWidth/2, windowHeight/3)
screen.blit(textSurfaceObj1,textRectObj1)
fontObj2 =pygame.font.Font('freesansbold.ttf', 30)
textSurfaceObj2 = fontObj2.render('Devloper: JIE ', True,(0, 0, 0))
textRectObj2 = textSurfaceObj2.get_rect()
textRectObj2.center = (windowWidth/2, windowHeight*2/3)
screen.blit(textSurfaceObj2,textRectObj2)
pygame.display.update()
flag=True
while(flag):
for event in pygame.event.get():
if event.type==QUIT:
pygame.quit()
sys.exit()
if event.type==KEYDOWN:
if event.key==K_SPACE:
flag=False
def gameOver(snake):
screen.fill((0, 150, 0))
drawgrid()
fontObj = pygame.font.Font('freesansbold.ttf', 60)
textSurfaceObj1 = fontObj.render('Game over!', True, (255,0,0))
textRectObj1 = textSurfaceObj1.get_rect()
textRectObj1.center = (windowWidth/3, windowHeight/3)
screen.blit(textSurfaceObj1,textRectObj1)
textSurfaceObj2 = fontObj.render('Score: %s' % (len(snake)-4), True, (255, 0, 0))
textRectObj2 = textSurfaceObj2.get_rect()
textRectObj2.center = (windowWidth*2/3, windowHeight*2/3)
screen.blit(textSurfaceObj2,textRectObj2)
pygame.display.update()
while(True):
for event in pygame.event.get():
if event.type==QUIT:
pygame.quit()
sys.exit()
if __name__ == '__main__':
main()