save project

snake.py

@@ -52,11 +52,11 @@ while True:
         y -= 30
     else:
         y += 30
-    if x==apple_x and y==apple_y:
-        apple_x
-        =random.randint(0,660)
-        apple_y=random.randint(0,480)
+    
     position.append((x, y))
+    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))
@@ -67,7 +67,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (apple_x, apple_y))
+    screen.blit(food, (apple_x,apple_y ))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
\ No newline at end of file