/// <summary>
///
/// </summary>
private void SetLightParameters()
{
Vector3 sunDir = this.SkyX.AtmosphereManager.SunDirection;
if (sunDir.y > 0.1f)
{
sunDir = -sunDir;
}
this.VClouds.SunDirection = sunDir;
float point = (-this.SkyX.AtmosphereManager.SunDirection.y + 1.0f) / 2.0f;
this.VClouds.AmbientColor = _ambientGradient.GetColor(point);
this.VClouds.SunColor = _sunGradient.GetColor(point);
}
/// <summary>
/// Update internal cloud pass parameters
/// </summary>
public void UpdateInternalPassParameters()
{
if (_cloudLayerPass == null)
{
return;
}
if (this.SkyX.LightingMode == LightingMode.Ldr)
{
_cloudLayerPass.GetFragmentProgramParameters().SetNamedConstant("uExposure", this.SkyX.AtmosphereManager.Options.Exposure);
}
_cloudLayerPass.GetFragmentProgramParameters().SetNamedConstant("uTime", this.SkyX.TimeOffset * _options.TimeMultiplier);
Vector3 sunDir = this.SkyX.AtmosphereManager.SunDirection;
if (sunDir.y > 0.15f)
{
sunDir = -sunDir;
}
_cloudLayerPass.GetFragmentProgramParameters().SetNamedConstant("uSunPosition", -sunDir * this.SkyX.MeshManager.SkydomeRadius);
float point = (-this.SkyX.AtmosphereManager.SunDirection.y + 1.0f) / 2.0f;
_cloudLayerPass.GetFragmentProgramParameters().SetNamedConstant("uSunColor", _sunGradiant.GetColor(point));
_cloudLayerPass.GetFragmentProgramParameters().SetNamedConstant("uAmbientLuminosity", _ambientGradiant.GetColor(point));
}