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

/*
--------------------------------------
    Project: Programing assessment
    Standard: 91906 (AS3.7) v.1
    School: Tauranga Boys' College
    Author: Rauputu Noah Phizacklea
    Date: August 2024
    Unity: 2021.3.18f
---------------------------------------
*/

public class HealthBar : MonoBehaviour
{
    public Slider slider; // Reference to the UI Slider component
    public Gradient gradient; // Gradient for color transition based on health
    public Image fill; // Reference to the fill image of the Slider

    // Set the maximum health and initialize the health bar
    public void SetMaxHealth(int health)
    {
        slider.maxValue = health; // Set the maximum value of the slider
        slider.value = health; // Set the current value of the slider to max health

        fill.color = gradient.Evaluate(1f); // Set the fill color to the end of the gradient
    }

    // Update the health bar with current health value
    public void SetHealth(int health)
    {
        slider.value = health; // Update the slider value to current health

        fill.color = gradient.Evaluate(slider.normalizedValue); // Change fill color based on health percentage
    }
}