save project

snake.py

@@ -59,14 +59,10 @@ while True:
         y += 30
     position.append((x, y))
     if x == apple_x and y == apple_y:
-        num1 = random.randint(0,22)
-        num2 = random.randint(0,16)
-        apple_x = 30*num1
-        apple_y = 30*num2
+        apple_x = random.randint(0,660)
+        apple_y = random.randint(0,480)
     else:    
         position.pop(0)
-    if x < 0 or x > 630 or y < 0 or y > 630:
-        exit()
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去