save project

snake.py

@@ -62,8 +62,11 @@ while True:
         num2 = random.randint(1,16)
         apple_x = num1*30-30
         apple_y = num2*30-30
+        score+=10
     else:
-        position.pop(0) 
+        position.pop(0)
+    if x<0 or x>630 or y<0 or y>450:
+        exit() 
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -71,12 +74,13 @@ while True:
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])
+    
 
     # 将果实画上去
     screen.blit(food, (apple_x, apple_y))
     info="Score"+str(score)
     text=my_font.render(info,True,(0,0,0))
-    score.blit(test,(540,10))
+    screen.blit(text,(540,10))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(2)
\ No newline at end of file