save project

snake.py

 import pygame
 from pygame import locals
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+import random
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -17,24 +17,8 @@ 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
 
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 apple_x=360
 apple_y=360
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 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
@@ -58,7 +42,7 @@ while True:
                 snake_head = up
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
-                snake_head = down
+                snake_head = down                       
 
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
@@ -79,38 +63,13 @@ while True:
     for i in range(len(position)-1):
         screen.blit(body, position[i])
 
-if x == apple_x and y == apple_y:
-    apple_x = range.randint(0,660)
-    apple_y = range.randint(0,480)
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+    if x == apple_x and y == apple_y:
+        num1 = random.randint(1,22)
+        num2 = random.randint(1,16)
+        apple_x = 30*num1-30
+        apple_y = 30*num2-30
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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