save project

snake.py

 import pygame
 from pygame import locals
+import random
+
 FK = pygame.time.Clock()
+
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -17,6 +20,10 @@ up = pygame.image.load('up.png')
 down = pygame.image.load('down.png')
 x,y = 240,120
 position = [(180,90),(180,120),(210,120),(x,y)]
+apple_x=360
+apple_y=300
+
+
 setheading = 'right'
 snake_head = right
 
@@ -38,6 +45,12 @@ while True:
             if event.key == locals.K_DOWN and setheading != "up":
                setheading = 'down' 
                snake_head = down
+        if x==apple_x and y==apple_y:
+            apple_x=random.randint(0,660)
+            apple_y=random.randint(0,480)  
+    
+    
+    
     if setheading == "right":
         x += 30
     elif setheading == "left":
@@ -46,6 +59,7 @@ while True:
         y -= 30
     else:
         y += 30
+    
     position.append((x,y))
     position.pop(0)
     # 将背景图画上去
@@ -56,7 +70,7 @@ 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()
     FK.tick(3)
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