save project

snake.py

@@ -64,10 +64,12 @@ while True:
         apple_x = random.randint(0,480)
         apple_x = random.randint(0,480)
         num1 = random.randint(1,22)
         num1 = random.randint(1,22)
         num2 = random.randint(1,16)  
         num2 = random.randint(1,16)  
+        score += 10
     else:
     else:
         position.pop(0)
         position.pop(0)
     # 将背景图画上去
     # 将背景图画上去
-
+    if x < 0 or x > 630 or y < 0 or y > 450:
+        exit()
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
     # 将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
     screen.blit(snake_head, position[-1])