Unity类银河恶魔城学习记录（P149 Screen Fade）

本章节制作了屏幕的淡入淡出效果

教程：【Unity教程】从0编程制作类银河恶魔城游戏

源代码

UI_FadeScreen.cs

using UnityEngine;

public class UI_FadeScreen : MonoBehaviour
{
    private Animator anim;
    void Start()
    {
        anim = GetComponent<Animator>();
    }

    public void FadeOut() => anim.SetTrigger("fadeOut");
    public void FadeIn() => anim.SetTrigger("fadeIn");
}

UI_MainMenu.cs

using System.Collections;
using UnityEngine;
using UnityEngine.SceneManagement;

public class UI_MainMenu : MonoBehaviour
{
    [SerializeField] private string sceneName = "MainScene";    //加载场景名称
    [SerializeField] private GameObject continueButton;
    [SerializeField] UI_FadeScreen fadeScreen;

    private void Start()
    {
        //若开始时未找到存档，则将继续游戏按钮隐藏
        if (!SaveManager.instance.HasSaveData())
            continueButton.SetActive(false);
    }

    //继续游戏
    public void ContinueGame()
    {
        StartCoroutine(LoadScreenWithFadeEffect(1.5f));
    }

    //创建新游戏
    public void NewGame()
    {
        SaveManager.instance.DeleteSavaData();
        StartCoroutine(LoadScreenWithFadeEffect(1.5f));
    }

    //退出
    public void ExitGame()
    {
        Application.Quit();
    }

    //载入游戏黑屏效果
    IEnumerator LoadScreenWithFadeEffect(float _delay)
    {
        fadeScreen.FadeOut();

        yield return new WaitForSeconds(_delay);

        SceneManager.LoadScene(sceneName);
    }
}

UI.cs

using System.Collections;
using UnityEngine;

public class UI : MonoBehaviour
{
    [Header("结束屏幕")]
    [SerializeField] private UI_FadeScreen fadeScreen;
    [SerializeField] private GameObject endText;
    [Space]

    [SerializeField] private GameObject charcaterUI;
    [SerializeField] private GameObject skillTreeUI;
    [SerializeField] private GameObject craftUI;
    [SerializeField] private GameObject optionsUI;
    [SerializeField] private GameObject inGameUI;

    public UI_ItemTooltip itemTooltip;
    public UI_StatTooltip statTooltip;
    public UI_SkillToolTip skillTooltip;

    public UI_CraftWindow craftWindow;

    private void Awake()
    {
        SwitchTo(skillTreeUI);//我们需要在将事件分配到技能脚本之前将其分配到技能树槽
    }

    void Start()
    {
        SwitchTo(inGameUI);

        itemTooltip.gameObject.SetActive(false);
        statTooltip.gameObject.SetActive(false);
        skillTooltip.gameObject.SetActive(false);
    }

    void Update()
    {
        if (Input.GetKeyDown(KeyCode.C))
            SwitchWithKeyTo(charcaterUI);   //打开角色界面

        if (Input.GetKeyDown(KeyCode.B))
            SwitchWithKeyTo(craftUI);       //打开工艺界面

        if (Input.GetKeyDown(KeyCode.K))
            SwitchWithKeyTo(skillTreeUI);   //打开技能树界面

        if (Input.GetKeyDown(KeyCode.O))
            SwitchWithKeyTo(optionsUI);     //打开设置界面

        if (Input.GetKeyDown(KeyCode.Escape))
            SwitchWithKeyTo(inGameUI);                 //关闭所有界面
    }

    public void SwitchTo(GameObject _menu)
    {

        for (int i = 0; i < transform.childCount; i++)
        {
            //确保黑屏被激活
            bool fadeScreen = transform.GetChild(i).GetComponent<UI_FadeScreen>() != null;

            if (!fadeScreen)
                transform.GetChild(i).gameObject.SetActive(false);
        }

        if (_menu != null)
            _menu.SetActive(true);
    }

    public void SwitchWithKeyTo(GameObject _menu)
    {
        if (_menu != null && _menu.activeSelf)
        {
            //如果界面已打开，则关闭当前界面
            _menu.SetActive(false);
            CheckForInGameUI();
            return;
        }


        SwitchTo(_menu);
    }

    private void CheckForInGameUI()
    {
        for (int i = 0; i < transform.childCount; i++)
        {
            if (transform.GetChild(i).gameObject.activeSelf)
                return;
        }

        SwitchTo(inGameUI);
    }

    public void SwichOnEndScreen()
    {

        fadeScreen.FadeOut();

        StartCoroutine(EndScreenCorutine());
    }

    IEnumerator EndScreenCorutine()
    {
        yield return new WaitForSeconds(1);

        endText.SetActive(true);
    }
}

PlayerDeadState.cs

using UnityEngine;

public class PlayerDeadState : PlayerState
{
    public PlayerDeadState(Player _player, PlayerStateMachine _stateMachine, string _animBoolName) : base(_player, _stateMachine, _animBoolName)
    {
    }

    public override void AnimationFinishTrigger()
    {
        base.AnimationFinishTrigger();
    }

    public override void Enter()
    {
        base.Enter();

        GameObject.Find("Canvas").GetComponent<UI>().SwichOnEndScreen();
    }

    public override void Exit()
    {
        base.Exit();
    }

    public override void Update()
    {
        base.Update();

        player.SetZeroVelocity();
    }
}