save project

snake.py

 import pygame
 from pygame import locals
-
+import random
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -16,8 +16,11 @@ 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
-
+setheading = "right"
+snake_head = right
 x, y = 240, 120
+apple_X , apple_y = 360 , 300
+FPS = pygame.time.Clock 
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
@@ -51,10 +54,18 @@ while True:
         y -= 30
     else:
         y += 30
+    
     position.append((x, y))
-    position.pop(0)
+    
     # 将背景图画上去
     screen.blit(background, (0, 0))
+    if x == apple_X and y == apple_y:
+       num1=random.randint(0,21)
+       num2=random.randint(0,15)
+       apple_X=num1*30
+       apple_X=num2*30
+    else:
+        position.pop(0)
     # 将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
     # 将贪吃蛇的身体画上去
@@ -62,7 +73,7 @@ while True:
         screen.blit(body, position[i])
 
     # 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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