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()
@@ -20,7 +21,8 @@ x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
 position=[(180,90),(180,120),(210,120),(x,y)]
 setheading='right'
 setheading='right'
 snake_head=right
 snake_head=right
-
+apple_x=360
+apple_y=360
 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:
@@ -38,11 +40,7 @@ while True:
                snake_head=up
                snake_head=up
             if event.key==locals.K_DOWN and setheading !='up':
             if event.key==locals.K_DOWN and setheading !='up':
                 setheading='down'
                 setheading='down'
-                snake_head=down
-
-
-
-    
+                snake_head=down  
     
     
     if setheading == 'right':
     if setheading == 'right':
         x+=30
         x+=30
@@ -54,7 +52,11 @@ while True:
         y+=30
         y+=30
 
 
     position.append((x,y)) 
     position.append((x,y)) 
-    position.pop(0)
+    if x==apple_x and y==apple_y:
+        apple_x=30*random.randint(0,21)
+        apple_y=30*random.randint(0,15)
+    else:
+        position.pop(0)
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
     screen.blit(snake_head,position[-1])
     screen.blit(snake_head,position[-1])
@@ -63,7 +65,7 @@ while True:
         screen.blit(body,position[i])
         screen.blit(body,position[i])
     
     
 
 
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
-    FPSCLOCK.tick(10)
+    FPSCLOCK.tick(9)
\ No newline at end of file