/// <summary>
/// Create a DirectionalShadow.
/// </summary>
public DirectionalShadow(XiGame game, OrthoCamera shadowCamera)
{
XiHelper.ArgumentNullCheck(game, shadowCamera);
this.game = game;
this.shadowCamera = shadowCamera;
shadowMapTarget = new ManagedRenderTarget2D(game, Constants.DirectionalShadowMapSurfaceToScreenRatio, 1, SurfaceFormat.Single, MultiSampleType.None, 0, 0);
screenQuad = ScreenQuadGeometry.Create<VerticesPositionNormalTexture>(game.GraphicsDevice);
}
/// <summary>
/// Create a NullDirectionalShadow.
/// </summary>
/// <param name="game">The game.</param>
public NullDirectionalShadow(XiGame game)
{
camera = new OrthoCamera(game.GraphicsDevice);
}
private IDirectionalShadow CreateDirectionalShadow()
{
OrthoCamera shadowCamera = new OrthoCamera(Game.GraphicsDevice)
{
Width = Constants.DirectionalShadowSize.X,
Height = Constants.DirectionalShadowSize.Y,
NearPlane = 0,
FarPlane = Constants.DirectionalShadowRange
};
return new DirectionalShadow(Game, shadowCamera);
}