save project

snake.py

@@ -55,8 +55,10 @@ while True:
     position.append((x, y))
     #贪吃蛇吃到了苹果
     if x == apple_x and y == apple_y:
-        apple_x = random.randint(0,660)
-        apple_y = random.randint(0,480)
+        num1 = random.randint(0,22)
+        num2 = random.randint(0,16)
+        apple_x=30*num1 - 30
+        apple_y=30*num2 - 30
 
     position.pop(0)
     # 将背景图画上去