yichael_smartbow/Assets/BowArrow/Scripts/Debug/DebugBowPower.cs

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

public class DebugBowPower : MonoBehaviour
{    
    [SerializeField] Image progress;
    [SerializeField] Text valueText;
    int value = 0;

    public static DebugBowPower ins;

    void Start()
    {
        ins = this;
    }

    public void Init()
    {
        value = 0;
        valueText.text = value.ToString();
        progress.fillAmount = (float) value / 100.0f;
    }

    public void PullFinish()
    {
        value = 20;
        valueText.text = value.ToString();
        progress.fillAmount = (float) value / 100.0f;
    }

    public void DoUpdate() 
    {
        if (value >= 100) return;
        value++;
        valueText.text = value.ToString();
        progress.fillAmount = (float) value / 100.0f;
    }

    public float getPowerPercent()
    {
        return (float) value / 100.0f;
    }
}