save project

snake.py

@@ -19,6 +19,8 @@ down = pygame.image.load('down.png')        # 头 朝下
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
+apple_x = 360
+apple_y = 300
 
 setheading = "right"
 snake_head = right
@@ -52,6 +54,7 @@ while True:
     else:
         y += 30
     position.append((x, y))
+
     if x == apple_x and y == apple_y:
         num1=random.randint(1,22)
         num2=random.randint(1,16)
@@ -59,7 +62,7 @@ while True:
         apple_y=30*num2-30
     else:
         position.pop(0)
-    position.pop(0)
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去