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()
@@ -39,14 +40,19 @@ while True:
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
                 snake_head = down
-    if setheading == 'right':
+
+if setheading == 'right':
         x += 30
-        elif setheading == 'lfet':
-            x -= 30
-            elif setheading == 'up':
-                y -= 30
-                eles setheading == 'down':
-                y +=30
+elif setheading == 'lfet':
+    x -= 30
+elif setheading == 'up':
+    y -= 30
+else:
+    y +=30
+position.appent((x,y))
+if x = apple_x and y = apple_y:
+    apple_x = random.randint(0,660)
+    apple_y = random.randint(0,480)
 
     x += 30
     position.appent((x,y))
@@ -63,6 +69,6 @@ while True:
     screen.blit(body, (180, 120))
     screen.blit(body, (180, 90))
     # 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()
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