save project

snake.py

@@ -19,6 +19,9 @@ down = pygame.image.load('down.png')        # 头 朝下
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
+a_x=360
+a_y=300
+
 
 setheading = "right"
 snake_head = right
@@ -53,6 +56,12 @@ while True:
         y += 30
     position.append((x, y))
     position.pop(0)
+
+    if x==a_x and y==a_y:
+        a_x=radom.randint(0,660)
+        a_y=radom.randint(0,480)
+    position.pop(0)
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去