//--------------------//
#region Light helper
/// <summary>
/// Transfer lighting data from a <see cref="LightSource"/> to the shader
/// </summary>
/// <param name="light">The <see cref="LightSource"/> to get the information from</param>
/// <param name="index">The light index in the shader to set</param>
/// <param name="material">The currently active material</param>
private void SetupLightHelper(LightSource light, int index, XMaterial material)
{
if (index < _lightDiffuseHandles.Count)
{
Effect.SetValue(_lightDiffuseHandles[index], Color4.Modulate(light.Diffuse, material.Diffuse));
}
if (index < _lightAmbientHandles.Count)
{
Effect.SetValue(_lightAmbientHandles[index], Color4.Modulate(light.Ambient, material.Ambient));
}
if (index < _lightSpecularHandles.Count)
{
Effect.SetValue(_lightSpecularHandles[index], Color4.Modulate(light.Specular, material.Specular));
}
if (index < _lightSpecularPowerHandles.Count)
{
Effect.SetValue(_lightSpecularPowerHandles[index], material.SpecularPower);
}
}
/// <summary>
/// Modulates two colors
/// </summary>
/// <param name="color1">Color 1</param>
/// <param name="color2">Color 2</param>
/// <returns></returns>
public static Color Modulate(Color color1, Color color2)
{
return(new Color(Color4.Modulate(color1.RawColor, color2.RawColor)));
}
