save project

snake.py

@@ -42,8 +42,8 @@ while True:
                 snake_head = down
 
     # 设置贪吃蛇的头部坐标
-    if x < 0 or x > 630 or y < 0 or y > 450:
-        exit() 
+    if setheading == "down":
+        y += 30
     if setheading == "right":
         x += 30
     elif setheading == "left":
@@ -56,6 +56,7 @@ while True:
     if x == pingguox and y == pingguoy:
         pingguox = randint(1,22)*30-30
         pingguoy = randint(1,16)*30-30
+        score += 200
     else:
         position.pop(0)
     # 将背景图画上去
@@ -72,4 +73,4 @@ while True:
     screen.blit(food, (pingguox, pingguoy))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(20)
\ No newline at end of file
+    FPSCLOCK.tick(10)
\ No newline at end of file