/// <summary>
/// Updates per spot light variables
/// </summary>
/// <param name="light">Light</param>
/// <param name="transform">Translation and rotation matrix</param>
/// <param name="viewProjection">View * projection matrix</param>
/// <param name="shadowMap">Shadow map</param>
public void UpdatePerLight(
SceneLightSpot light,
Matrix transform,
Matrix viewProjection,
IShadowMap shadowMap)
{
this.SpotLight = new BufferLightSpot(light);
this.World = transform;
this.WorldViewProjection = transform * viewProjection;
this.ShadowMapSpot = shadowMap?.Texture;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="light">Light</param>
public BufferLightSpot(SceneLightSpot light)
{
this.Position = light.Position;
this.Direction = light.Direction;
this.DiffuseColor = light.DiffuseColor;
this.SpecularColor = light.SpecularColor;
this.Intensity = light.Intensity;
this.Intensity = light.Intensity;
this.Angle = light.AngleRadians;
this.Radius = light.Radius;
this.CastShadow = light.CastShadow ? 1 : 0;
this.MapIndex = light.ShadowMapIndex;
this.MapCount = light.ShadowMapCount;
this.FromLightVP = Matrix.Identity;
if (light.FromLightVP?.Length > 0)
{
this.FromLightVP = Matrix.Transpose(light.FromLightVP[0]);
}
}
