把概率改到50%

2024-08-05 11:29:09 +08:00 · 2024-08-05 11:29:09 +08:00 · 48ce5126c8
parent 5db946f9db
commit 48ce5126c8
1 changed files with 2 additions and 2 deletions
--- a/dayandnight/mysnake.c
+++ b/dayandnight/mysnake.c
@ -57,8 +57,8 @@ void snake_entry(void *parameter)
    {
        if (!snake_pressed)
        {
-            //80%的概率保持当前方向，20%的概率随机改变方向
-            if (rand() % 100 < 20)
+            //50%的概率保持当前方向，20%的概率随机改变方向
+            if (rand() % 100 < 50)
            {
                new_direction = rand() % 3;
                now_direction = (now_direction + 3 + new_direction) % 4; // 防止反向,走回头路