public void RemoveLight(PointLight light)
{
pointLights.Remove(light);
}
public void AddLight(PointLight light)
{
pointLights.Add(light);
}
public void CreateShadowMap(PointLight light, List<GameObject> Models, Effect depthWriter, Terrain terrain)
{
Matrix[] views = new Matrix[6];
//Creating view matrices
views[0] = Matrix.CreateLookAt(light.position, light.position + Vector3.Forward, Vector3.Up);
views[1] = Matrix.CreateLookAt(light.position, light.position + Vector3.Backward, Vector3.Up);
views[2] = Matrix.CreateLookAt(light.position, light.position + Vector3.Left, Vector3.Up);
views[3] = Matrix.CreateLookAt(light.position, light.position + Vector3.Right, Vector3.Up);
views[4] = Matrix.CreateLookAt(light.position, light.position + Vector3.Down, Vector3.Forward);
views[5] = Matrix.CreateLookAt(light.position, light.position + Vector3.Up, Vector3.Backward);
Matrix projection = Matrix.CreatePerspectiveFieldOfView(MathHelper.ToRadians(90.0f), 1.0f, 1.0f, radius);
depthWriter.Parameters["Projection"].SetValue(projection);
depthWriter.Parameters["LightPosition"].SetValue(position);
depthWriter.Parameters["DepthPrecision"].SetValue(radius);
//Forward
device.SetRenderTarget(shadowMap, CubeMapFace.PositiveZ);
device.Clear(Color.Transparent);
depthWriter.Parameters["View"].SetValue(views[0]);
DrawModels(Models, depthWriter);
//Backward
device.SetRenderTarget(shadowMap, CubeMapFace.NegativeZ);
device.Clear(Color.Transparent);
depthWriter.Parameters["View"].SetValue(views[1]);
DrawModels(Models, depthWriter);
//Left
device.SetRenderTarget(shadowMap, CubeMapFace.NegativeX);
device.Clear(Color.Transparent);
depthWriter.Parameters["View"].SetValue(views[2]);
DrawModels(Models, depthWriter);
//Right
device.SetRenderTarget(shadowMap, CubeMapFace.PositiveX);
device.Clear(Color.Transparent);
depthWriter.Parameters["View"].SetValue(views[3]);
DrawModels(Models, depthWriter);
//Down
device.SetRenderTarget(shadowMap, CubeMapFace.NegativeY);
device.Clear(Color.Transparent);
depthWriter.Parameters["View"].SetValue(views[4]);
DrawModels(Models, depthWriter);
//Up
device.SetRenderTarget(shadowMap, CubeMapFace.PositiveY);
device.Clear(Color.Transparent);
depthWriter.Parameters["View"].SetValue(views[5]);
DrawModels(Models, depthWriter);
}
