_TheStrongestSnail/TheStrongestSnail/Assets/Scripts/Battle_Royale/FadeToBlack.cs

using UnityEngine;
using UnityEngine.UI;
using System.Collections;

public class FadeToBlack : MonoBehaviour
{
    public float fadeDuration = 1.5f; // <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
    private Image blackImage;
    public GameObject LightLinp;//<2F>ƹ<EFBFBD>

    void Start()
    {
        blackImage = GetComponent<Image>();
      
    }

    // <20>ⲿ<EFBFBD><E2B2BF><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    public void StartFade()
    {
        LightLinp.SetActive(false);
        StartCoroutine(FadeToBlackCoroutine());
    }

    // <20>ⲿ<EFBFBD><E2B2BF><EFBFBD>ã<EFBFBD>ֱ<EFBFBD>ӱ<EFBFBD><D3B1><EFBFBD>
    public void InstantBlack()
    {
        blackImage.color = new Color(0, 0, 0, 1f); // <20><><EFBFBD><EFBFBD>Ϊȫ<CEAA><C8AB>
    }

    public void ReturnWhite()
    {
        LightLinp.SetActive(true);
        blackImage.color = new Color(0, 0, 0, 0f); // <20><><EFBFBD><EFBFBD>Ϊȫ<CEAA><C8AB>
    }


    // Э<>̣<EFBFBD><CCA3><EFBFBD><EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    private IEnumerator FadeToBlackCoroutine()
    {
        float elapsedTime = 0f;

        // Ŀ<><C4BF>͸<EFBFBD><CDB8><EFBFBD><EFBFBD>
        float targetAlpha = 0.6f;

        while (elapsedTime < fadeDuration)
        {
            elapsedTime += Time.deltaTime;
            // <20><><EFBFBD>㵱ǰ͸<C7B0><CDB8><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD>0<EFBFBD>𽥵<EFBFBD>Ŀ<EFBFBD><C4BF>͸<EFBFBD><CDB8><EFBFBD><EFBFBD>0.6<EFBFBD><EFBFBD>
            float alpha = Mathf.Lerp(0f, targetAlpha, elapsedTime / fadeDuration);
            blackImage.color = new Color(0, 0, 0, alpha);
            yield return null; // <20>ȴ<EFBFBD><C8B4><EFBFBD>һ֡
        }

        // ȷ<><C8B7><EFBFBD><EFBFBD><EFBFBD>մﵽĿ<EFB5BD><C4BF>͸<EFBFBD><CDB8><EFBFBD><EFBFBD>
        blackImage.color = new Color(0, 0, 0, targetAlpha);
    }
}