ActionTowerDefense/ActionTowerDefense/Assets/Scripts/UI/GameUI.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TMPro;

public class GameUI : MonoBehaviour
{
    public static GameUI instance;

    public Animator player_is_hurt;
    public Image half_hp;
    public AnimationClip player_is_hurt_animaton;
    public Transform CD;
    public TextMeshProUGUI summonNum;

    private float hurtClipTime;
    private float hurtTime;
    private bool isHurt;
    private float hpRate;
    private float lastDyingTime;

    private void Awake()
    {
        if (!instance)
        {
            instance = this;
        }
        hurtClipTime = player_is_hurt_animaton.length;
    }
    private void Update()
    {
        if (isHurt)
        {
            hurtTime += Time.deltaTime;
            if(hurtTime >= hurtClipTime)
            {
                isHurt = false;
                if (hpRate >= 0.2f)
                {
                    player_is_hurt.Play(AnimatorHash.ANIMATOR_player_is_ok, 0, 0);
                }
                else
                {

                    player_is_hurt.Play(AnimatorHash.ANIMATOR_player_is_dying, 0, lastDyingTime);
                }
            }
        }
    }
    public void HurtMask(float hpRate)
    {
        AnimatorStateInfo stateInfo = player_is_hurt.GetCurrentAnimatorStateInfo(0);
        if(stateInfo.shortNameHash != AnimatorHash.ANIMATOR_player_is_hurt)
        {
            lastDyingTime = player_is_hurt.GetCurrentAnimatorStateInfo(0).normalizedTime;
        }
        player_is_hurt.Play(AnimatorHash.ANIMATOR_player_is_hurt, 0, 0);
        half_hp.color = new Color(0, 0, 0, (0.6f - hpRate) * 2);
        this.hpRate = hpRate;
        hurtTime = 0;
        isHurt = true;

    }
}