// Shadow Map zeichnen
private void DrawShadowMap(Effect effect, ShaderModel shaderModel, Light light)
{
// Lichtmatrizen übergeben
effect.Parameters["View"].SetValue(light.ViewMatrix);
effect.Parameters["Projection"].SetValue(light.ProjectionMatrix);
foreach (ModelMesh mesh in shaderModel.DrawingModel.Meshes)
{
foreach (ModelMeshPart part in mesh.MeshParts)
{
part.Effect = effect;
part.Effect.CurrentTechnique = part.Effect.Techniques["ShadowMap"];
effect.Parameters["World"].SetValue(mesh.ParentBone.Transform * shaderModel.WorldMatrix);
}
mesh.Draw();
}
}
private void SetupLights()
{
Vector3 position = new Vector3(0.0f, 14.5f, 0.0f);
Lamp lamp = new Lamp(this, Matrix.CreateRotationX(MathHelper.ToRadians(-90)) * Matrix.CreateTranslation(position));
Light = new Light(this, lamp, Light.RotationAxis.X, position);
Components.Add(lamp);
Components.Add(Light);
}
// PCF Map zeichnen
private void DrawPCFMap(Effect effect, ShaderModel shaderModel, Light light, RenderTarget2D shadowMapTexture)
{
ICamera camera = (ICamera)Services.GetService(typeof(ICamera));
// Kameramatrizen übergeben
effect.Parameters["View"].SetValue(camera.ViewMatrix);
effect.Parameters["Projection"].SetValue(camera.ProjectionMatrix);
// Lichtview und -projection übergeben
effect.Parameters["LightView"].SetValue(light.ViewMatrix);
effect.Parameters["LightProjection"].SetValue(light.ProjectionMatrix);
// Shadow Map übergeben
effect.Parameters["ShadowMapLight0Texture"].SetValue(shadowMapTexture);
effect.Parameters["ShadowMapSize"].SetValue(shadowMapSize);
foreach (ModelMesh mesh in shaderModel.DrawingModel.Meshes)
{
foreach (ModelMeshPart part in mesh.MeshParts)
{
part.Effect = effect;
part.Effect.CurrentTechnique = part.Effect.Techniques["PCFMap"];
effect.Parameters["World"].SetValue(mesh.ParentBone.Transform * shaderModel.WorldMatrix);
}
mesh.Draw();
}
}
