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

public class AnimateMaterialExposure : MonoBehaviour
{
    public Renderer[] targetRenderers;
    public float newExposureWeight;
    Material[] materials;

    bool isAnimatingMaterial;

    private void Start()
    {
        materials = new Material[targetRenderers.Length];

        for (int i = 0; i < targetRenderers.Length; i++)
        {
            materials[i] = new Material(targetRenderers[i].material);
            targetRenderers[i].material = materials[i];
        }
    }
    public void AnimateMaterialUpdate()
    {
        for (int i = 0; i < targetRenderers.Length; i++)
        {
            //materials[i].SetFloat("_EmissiveExposureWeight", newExposureWeight);
            Color emissiveColor = materials[i].color;
            materials[i].SetColor("_EmissiveColor", new Vector4(0.8803151f, 0.5380651f, 0f, 1f) * newExposureWeight);
            targetRenderers[i].material = materials[i];
        }
    }

    public void RunCoroutineToUpdateMaterial() 
    {
        if (!isAnimatingMaterial) 
        {
            StartCoroutine(UpdateMaterial());
        }
    }

    public void StopCoroutineThatUpdatesMaterial() 
    {
        isAnimatingMaterial = false;
    }

    IEnumerator UpdateMaterial()
    {
        isAnimatingMaterial = true;
        while (isAnimatingMaterial)
        {
            AnimateMaterialUpdate();
            yield return null;
        }  
    }
}