[Unity/UI] Image로 Fade In, Fade Out 효과

    public IEnumerator FadeIn(float time)              
    {
        Color color = image.color;
        while (color.a > 0f)
        {
            color.a -= Time.deltaTime / time;
            image.color = color;
            yield return null;
        }
    }
    
        public IEnumerator FadeOut(float time)
    {
        Color color = image.color;
        while (color.a < 1f)
        {
            color.a += Time.deltaTime / time;
            image.color = color;
            yield return null;
        }
    }