save project

snake.py

@@ -54,21 +54,22 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    # position.pop(0)
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
-    # 将贪吃蛇的身体画上去
-    for i in range(len(position)-1):
-        screen.blit(body, position[i])
+    
     # 将果实画上去
     if x == apple_x and y == apple_y:
-        apple_x = random.randint(0,21)*30
-        apple_y = random.randint(0,15)*30
+        apple_x=random.randint(0,21)*30
+        apple_y=random.randint(0,15)*30
     else:
         position.pop(0)
-    screen.blit(food, (apple_x,apple_y))
+    screen.blit(food,(apple_x,apple_y))
+    # 将贪吃蛇的身体画上去    
+    for i in range(len(position)-1):
+        screen.blit(body, position[i])
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(1)
\ No newline at end of file