save project

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
-
+import random
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 pygame.init()
 
 
 # 创建一个窗口
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 screen = pygame.display.set_mode((660, 480))
-FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
-
+FPSCLOCK=pygame.time.Clock()
 # 背景
 # 背景
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
-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
-
-x, y = 240, 120
-position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
-setheading = "right"
-snake_head = right
-
+right = pygame.image.load('right.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+x,y=240,120
+apple_x=360
+apple_y=300
+l=[(180,90),(180,120),(210,120),(x,y)]
+setheading="right"
+snake_head=right
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
-        if 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
+        if 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
+    if setheading=="right":
+        x+=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30
     else:
     else:
-        y += 30
-    position.append((x, y))
-    position.pop(0)
+        y+=30
+    l.append((x,y))
+    l.pop(0)
+    
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
-    # 将贪吃蛇的头画上去
-    screen.blit(snake_head, position[-1])
+    # 将贪吃蛇画上去
+    screen.blit(snake_head, (x, y))
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
-    for i in range(len(position)-1):
-        screen.blit(body, position[i])
-
+    for i in range(len(l)-1):
+        screen.blit(body,l[i])
+        
     # 将果实画上去
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    if x==apple_x and y==apple_y:
+        apple_x=random.randrange(0,660,30)
+        apple_y=random.randrange(0,480,30)
+    screen.blit(food, (apple_x, apple_y))
+    
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
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