void FrameChanged(ARCameraFrameEventArgs args)
{
if (args.lightEstimation.averageBrightness.HasValue)
{
brightness = args.lightEstimation.averageBrightness.Value;
m_Light.intensity = brightness.Value;
}
if (args.lightEstimation.averageColorTemperature.HasValue)
{
colorTemperature = args.lightEstimation.averageColorTemperature.Value;
m_Light.colorTemperature = colorTemperature.Value;
}
if (args.lightEstimation.colorCorrection.HasValue)
{
colorCorrection = args.lightEstimation.colorCorrection.Value;
m_Light.color = colorCorrection.Value;
}
if (args.lightEstimation.mainLightDirection.HasValue)
{
mainLightDirection = args.lightEstimation.mainLightDirection;
m_Light.transform.rotation = Quaternion.LookRotation(mainLightDirection.Value);
}
if (args.lightEstimation.mainLightColor.HasValue)
{
mainLightColor = args.lightEstimation.mainLightColor;
#if PLATFORM_ANDROID
// ARCore needs to apply energy conservation term (1 / PI) and be placed in gamma
m_Light.color = mainLightColor.Value / Mathf.PI;
m_Light.color = m_Light.color.gamma;
// ARCore returns color in HDR format (can be represented as FP16 and have values above 1.0)
var camera = m_CameraManager.GetComponentInParent <Camera>();
if (camera == null || !camera.allowHDR)
{
Debug.LogWarning($"HDR Rendering is not allowed. Color values returned could be above the maximum representable value.");
}
#endif
}
if (args.lightEstimation.mainLightIntensityLumens.HasValue)
{
mainLightIntensityLumens = args.lightEstimation.mainLightIntensityLumens;
m_Light.intensity = args.lightEstimation.averageMainLightBrightness.Value;
}
if (args.lightEstimation.ambientSphericalHarmonics.HasValue)
{
sphericalHarmonics = args.lightEstimation.ambientSphericalHarmonics;
RenderSettings.ambientMode = AmbientMode.Skybox;
RenderSettings.ambientProbe = sphericalHarmonics.Value;
}
}