save project

snake.py

-import pygame
+import pygame;import random
 from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
@@ -17,6 +17,8 @@ down = pygame.image.load('down.png')
 body = pygame.image.load('body.png')
 x,y = 240,120
 position = [(180,90),(180,120),(210,120),(x,y)]
+apple_x = 360 #苹果横坐标
+apple_y = 300 #苹果纵坐标
 setheading = 'right'
 snake_head = right
 while True:
@@ -46,6 +48,10 @@ while True:
     elif setheading == 'down':
         y += 30
     position.append((x,y))
+    #贪吃蛇吃到了苹果
+    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))
@@ -55,7 +61,7 @@ while True:
     for i in range(len(position)-1):
         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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