} // Begin
/// <summary>
/// Begins the rendering of the depth information from the light point of view over a cube render target.
/// </summary>
internal void Begin(int lightDepthTextureSize, Vector3 lightPosition, float lightRadius)
{
try
{
// Creates the render target textures
lightDepthTextureCube = RenderTargetCube.Fetch(lightDepthTextureSize, SurfaceFormat.Single, DepthFormat.Depth24, RenderTarget.AntialiasingType.NoAntialiasing);
spLightPosition.Value = lightPosition;
spLightRadius.Value = lightRadius;
}
catch (Exception e)
{
throw new InvalidOperationException("Shadow Map Shader: Unable to begin the rendering.", e);
}
} // Begin
