save project

snake.py

@@ -56,18 +56,17 @@ while True:
     else:
         y += 30
 
-info="Score"+str(score)
-text=my_font.render('Score:10',True,(0,0,0))
-screen.blit(text(540,10))
 
     if x==apple_x and y==apple_y:
         num1=random.randint(1,22)
         num2=random.randint(1,16)
         apple_x=30*num1-30
         apple_y=30*num2-30
+        score=score+10
     else:
         position.pop(0)
-
+    if x < 0 or x > 630 or x < 0 or x > 460:
+        exit()
     position.append((x, y))
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -79,6 +78,9 @@ screen.blit(text(540,10))
 
     # 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))
+    screen.blit(text,(540,10)) 
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
\ No newline at end of file