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今天,給大家介紹一個簡單易懂的貪吃蛇小游戲
代碼 如下
import pygame,sys,random
from pygame.locals import *
#定義顏色變數 目標方塊的顏色
redColor = pygame.Color(250,0,0)
#貪吃蛇的顏色
whiteColor = pygame.Color(255,255,255)
#背景顏色
blackColor = pygame.Color(0,0,0)
def gameOver():
pygame.quit()
sys.exit()
def main():
#初始化pygame
pygame.init()
#控制游戲速度
fpsColck = pygame.time.Clock()
#創建pygame顯示層
playSurface = pygame.display.set_mode((640,480))
pygame.display.set_caption('貪吃蛇')
#初始化貪吃蛇的起始坐標
snakePosition = [100,100]
#初始化貪吃蛇的長度
snakeBody = [[100,100],[80,100],[60,100]]
#初始化目標方塊的坐標
targetPosition = [300,300]
#初始化一個目標方塊的標記 目的:用來判斷是否吃掉這個目標方塊
targerflag = 1
#初始化方向
direction = 'right'
#定義一個方向變數
changeDirection = direction
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:
changeDirection = 'right'
if event.key == K_LEFT:
changeDirection = 'left'
if event.key == K_UP:
changeDirection = 'up'
if event.key == K_DOWN:
changeDirection = 'down'
#對應鍵盤Esc鍵
if event.key == K_ESCAPE:
pygame.event.post(pygame.event.Event(QUIT))
#確定方向
if changeDirection == 'left' and not direction == 'right':
direction = changeDirection
if changeDirection == 'right' and not direction == 'left':
direction = changeDirection
if changeDirection == 'up' and not direction == 'down':
direction = changeDirection
if changeDirection == 'down' and not direction == 'up':
direction = changeDirection
#根據方向移動蛇頭的坐標
if direction == 'right':
snakePosition[0] += 20
if direction == 'left':
snakePosition[0] -= 20
if direction == 'up':
snakePosition[1] -= 20
if direction == 'down':
snakePosition[1] += 20
#增加蛇的長度
snakeBody.insert(0,list(snakePosition))
#判斷目標方塊是否被吃掉
if snakePosition[0] == targetPosition[0] and snakePosition[1] == targetPosition[1]:
targerflag = 0
else:
snakeBody.pop()
if targerflag == 0:
x = random.randrange(1,32)
y = random.randrange(1,24)
targetPosition = [int(x*20),int(y*20)]
targerflag = 1
#繪制pygame的顯示層
playSurface.fill(blackColor)
for position in snakeBody:
pygame.draw.rect(playSurface,whiteColor,Rect(position[0],position[1],20,20))
pygame.draw.rect(playSurface,redColor,Rect(targetPosition[0],targetPosition[1],20,20))
pygame.display.flip()
if snakePosition[0]> 620 or snakePosition[0] < 0:
gameOver()
elif snakePosition[1] > 460 or snakePosition[1] < 0:
gameOver()
#修改速度
fpsColck.tick(10)
if __name__ == '__main__':
main()
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