0 : Unity <= DOTween Fade Out & Fade In

＞Durationがよく作動しない感じがする？

＞もっと確認が必要。

// :: Fade Out
public System.Action CallBack_FadeOut = null; // Callback delegate
public void FadeOut(Image image)
{
	image.gameObject.SetActive(true); // :: Render TRUE
	DOTween.ToAlpha(
		() => image.color,
		alpha => image.color = alpha,
		0f, // :: Target Value
		1f) // :: Duration
		.SetEase(Ease.InQuad) // :: Set Animation Play Type
		.onComplete = () =>  // :: On Complete
		{
			this.CallBack_FadeOut?.Invoke(); // :: Call Back when this Action isn't null
			this.CallBack_FadeOut = null; // :: Reset Action
            image.gameObject.SetActive(false); // :: Render FALSE
		};
}

// :: Fade In
public System.Action CallBack_FadeIn = null; // Callback delegate
public void FadeIn(Image image)
{
    image.gameObject.SetActive(true); // :: Render TRUE
    DOTween.ToAlpha(
        () => image.color,
        alpha => image.color = alpha,
        1f, // :: Target Value
        1f) // :: Duration
        .SetEase(Ease.InQuad) // :: Set Animation Play Type
        .onComplete = () =>  // :: On Complete
        {
            this.CallBack_FadeIn?.Invoke(); // :: Call Back when this Action isn't null
            this.CallBack_FadeIn = null; // :: Reset Action
            image.gameObject.SetActive(true); // :: Render TRUE
        };
}