mathf.pingpong 예제

PointLight1.GetComponent<Light>().intensity = Mathf.PingPong(Time.time * 120f, 100);
        PointLight2.GetComponent<Light>().intensity = Mathf.PingPong(Time.time * 120f, 100);
        LightBall_mat.SetFloat("_Metallic", Mathf.PingPong(Time.time, 1));