rabidus-test/Assets/Scripts/UIProgressBar.cs

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

public class UIProgressBar : MonoBehaviour
{
    [SerializeField] private Image _progressImage;

    [SerializeField] private float _maxValue;
    [SerializeField][Range(0, 1)] private float _startValue;

    [Space]
    [Header("Color setup")]
    [SerializeField] private bool _useColors = false;
    [SerializeField] private Color _startColor;
    [SerializeField] private Color _endColor;

    private float _clampedValue = 0;

    public float ClampedValue
    {
        get => _clampedValue;
        set
        {
            if (_useColors)
            {
                _progressImage.color = Color.Lerp(_startColor, _endColor, value);
            }

            _progressImage.fillAmount = value;
        }
    }



    private void Start()
    {
        ClampedValue = Mathf.Clamp01(_startValue);
    }

    public void ChangeValue(int value)
    {
        ClampedValue = Mathf.Clamp01(value / _maxValue);
    }

    public void ChangeValue(float value)
    {
        ClampedValue = Mathf.Clamp01(value / _maxValue);
    }
}