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
@@ -52,7 +54,13 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    position.pop(0)
+    if x == apple_x and x == apple_y:
+        num1=random.ranint(0,22)
+        num2=random.ranint(0,16)
+        apple_x=num1*30-30
+        apple_y=num2*30-30
+    else:
+        position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去