/// <summary>
/// Updates per directional light variables
/// </summary>
/// <param name="light">Light</param>
/// <param name="shadowMaps">Shadow map flags</param>
/// <param name="shadowMap">Shadow map</param>
public void UpdatePerLight(
SceneLightDirectional light,
IShadowMap shadowMap)
{
this.DirectionalLight = new BufferLightDirectional(light);
this.ShadowMapDirectional = shadowMap?.Texture;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="light">Light</param>
public BufferLightDirectional(SceneLightDirectional light)
{
this.DirToLight = -light.Direction;
this.CastShadow = light.CastShadow ? 1 : 0;
this.LightColor = light.DiffuseColor * light.Brightness;
this.ToCascadeOffsetX = light.ToCascadeOffsetX;
this.ToCascadeOffsetY = light.ToCascadeOffsetY;
this.ToCascadeScale = light.ToCascadeScale;
this.ToShadowSpace = Matrix.Transpose(light.ToShadowSpace);
}
