save project

snake.py

-import random
 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()
 
 
@@ -20,9 +19,8 @@ down = pygame.image.load('down.png')        # 头 朝下
 
 
 x, y = 240, 120
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
-apple_x=360
-apple_y=300
-
+apple_x = 360
+apple_y = 300
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
 
 
@@ -56,9 +54,11 @@ while True:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
     if x == apple_x and y == apple_y:
     if x == apple_x and y == apple_y:
-        apple_x = random.randint(0, 660)
-        apple_y = random.randint(0, 480)
-    
+        num1 = random.randint(1,22)
+        num2 = random.randint(1,16)
+        apple_x = num1 * 30 - 30
+        apple_y = num2 * 30 - 30
+    else:
         position.pop(0)
         position.pop(0)
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))