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

public class Skill : MonoBehaviour
{
    public Text text;
    public Image image;

    public float coolDown = 0f;
    public float coolDonwTime = 10f;
    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        if (coolDown > 0)
        {
            // deltaTime 是当前Update执行和上一次Update执行的时间差
            // 用来拟合计算现实时间，不受帧率的影响。
            coolDown -= Time.deltaTime; 
            text.text = coolDown.ToString("f1");
            image.fillAmount = coolDown / coolDonwTime;
        }
        else
        {
            coolDown = 0f;
            text.text = "";
        }
    }

    public void UseSkill() {
        if(coolDown > 0) { } else
        {
            // 释放技能，并进入冷却

            /* 释放技能的代码 */
            coolDown = coolDonwTime;
        }
    }
}