Light Estimation for ARFoundation

LightEstimation.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Experimental.XR;
using UnityEngine.UI;
using UnityEngine.XR.ARFoundation;

[RequireComponent(typeof(Light))]
public class LightEstimation : MonoBehaviour
{
	Light m_Light;

	/// <summary>
	/// The light affected
	/// </summary>
	public Light Light
	{
		get { return m_Light; }
		set { m_Light = value; }
	}

	void Awake ()
	{
		m_Light = GetComponent<Light>();
		ARSubsystemManager.cameraFrameReceived += FrameChanged;
	}

	void FrameChanged(ARCameraFrameEventArgs args)
	{
		if (args.lightEstimation.averageBrightness.HasValue)
		{
			m_Light.intensity = args.lightEstimation.averageBrightness.Value;
		}

		if (args.lightEstimation.averageColorTemperature.HasValue)
		{
			m_Light.colorTemperature = args.lightEstimation.averageColorTemperature.Value;
		}
		
		if (args.lightEstimation.colorCorrection.HasValue)
		{
			m_Light.color = args.lightEstimation.colorCorrection.Value;
		}
	}
}