save project

snake.py

 import pygame
 import pygame
+from pygame import locals
+import random
 
 
 # 初始化pygame，为使用pygame做准备
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 pygame.init()
 
 
 # 创建一个窗口
 # 创建一个窗口
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+screen = pygame.display.set_mode((660,480),0,32)
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+FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
+
+# 载入图片
+background = pygame.image.load('bg.png') #背景图
+right = pygame.image.load('right.png') #头 朝右
+food = pygame.image.load('apple.png') #食物 苹果
+body = pygame.image.load('body.png') #身体
+left = pygame.image.load('left.png') #头 朝左
+up = pygame.image.load('up.png')     #头 朝上
+down = pygame.image.load('down.png') #头 朝下
+#初始化
+x, y = 240, 120   #设置x,y坐标初始值（蛇头的初始位置）
+position = [(180, 90), (180, 120), (210, 120), (x, y)]
+apple_x = 360 # 苹果横坐标
+apple_y = 360 # 苹果纵坐标
+
+setheading = "right"
+snake_head =right
+
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            #接收到退出事件后推出程序
+            exit()
+        elif event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading!="left":
+                setheading = 'right'
+                snake_head = right
+            if event.key == locals.K_LEFT and setheading!="right":
+                setheading = 'left'
+                snake_head = left
+            if event.key == locals.K_UP and setheading != "down":
+                setheading = 'up'
+                snake_head = up  
+            if event.key == locals.K_DOWN and setheading != "up":
+                setheading = 'down'
+                snake_head = down     
+    # 设置贪吃蛇的头部坐标
+    if setheading == "right":
+        x += 30
+    elif setheading == "left":
+        x -= 30
+    elif setheading == "up":
+        y -= 30
+    else:
+        y += 30                       
+    position.append((x, y))
+    if x == apple_x and y == apple_y:
+        apple_x = random.randint(0,660)
+        apple_y = random.randint(0,480)
+
+    position.pop(0)
+    #将背景图画上去
+    screen.blit(background,(0,0))
+
+    #将贪吃蛇的蛇头画上去
+    #screen.blit(snake_head,position[-1])
+    screen.blit(snake_head,position[-1]) #
+    #将蛇身添加上去
+    #screen.blit(body,(210,120))
+    #screen.blit(body,(180,120))
+    #screen.blit(body,(180,90))
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+    #将果实画上去
+    screen.blit(food,(360,300))
+    #刷新画面
+    pygame.display.update() 
+    FPSCLOCK.tick(2)
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