save project

snake.py

@@ -56,10 +56,12 @@ 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)
-
-    position.pop(0)
+        num = random.randint(1,22)
+        num = random.randint(1,16)
+        apple_x = 30*num1-30
+        apple_y = 30*num2-30
+    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