public void RemoveLight(PointLight light)
{
pointLights.Remove(light);
}
public void AddLight(PointLight light)
{
pointLights.Add(light);
}
public void DrawShadowMap(PointLight pointLight)
{
Matrix[] views = new Matrix[6];
views[0] = Matrix.CreateLookAt(pointLight.Position, pointLight.Position + Vector3.Forward, Vector3.Up);
views[1] = Matrix.CreateLookAt(pointLight.Position, pointLight.Position + Vector3.Backward, Vector3.Up);
views[2] = Matrix.CreateLookAt(pointLight.Position, pointLight.Position + Vector3.Left, Vector3.Up);
views[3] = Matrix.CreateLookAt(pointLight.Position, pointLight.Position + Vector3.Right, Vector3.Up);
views[4] = Matrix.CreateLookAt(pointLight.Position, pointLight.Position + Vector3.Down, Vector3.Forward);
views[5] = Matrix.CreateLookAt(pointLight.Position, pointLight.Position + Vector3.Up, Vector3.Backward);
Matrix projection = Matrix.CreatePerspectiveFieldOfView(MathHelper.ToRadians(90.0f), 1.0f, 1.0f, pointLight.Radius);
depthWriter.Parameters["Projection"].SetValue(projection);
depthWriter.Parameters["LightPosition"].SetValue(pointLight.Position);
depthWriter.Parameters["DepthPrecision"].SetValue(pointLight.Radius);
#region Forward
DeferredRenderer.Instance.GraphicsDevice.SetRenderTarget(pointLight.ShadowMap, CubeMapFace.PositiveZ);
//Clear Target
DeferredRenderer.Instance.GraphicsDevice.Clear(Color.Transparent);
//Set global Effect parameters
depthWriter.Parameters["View"].SetValue(views[0]);
//Draw Models
DrawModels();
#endregion
#region Backward
DeferredRenderer.Instance.GraphicsDevice.SetRenderTarget(pointLight.ShadowMap, CubeMapFace.NegativeZ);
//Clear Target
DeferredRenderer.Instance.GraphicsDevice.Clear(Color.Transparent);
//Set global Effect parameters
depthWriter.Parameters["View"].SetValue(views[1]);
//Draw Models
DrawModels();
#endregion
#region Left
DeferredRenderer.Instance.GraphicsDevice.SetRenderTarget(pointLight.ShadowMap, CubeMapFace.NegativeX);
//Clear Target
DeferredRenderer.Instance.GraphicsDevice.Clear(Color.Transparent);
//Set global Effect parameters
depthWriter.Parameters["View"].SetValue(views[2]);
//Draw Models
DrawModels();
#endregion
#region Right
DeferredRenderer.Instance.GraphicsDevice.SetRenderTarget(pointLight.ShadowMap, CubeMapFace.PositiveX);
//Clear Target
DeferredRenderer.Instance.GraphicsDevice.Clear(Color.Transparent);
//Set global Effect parameters
depthWriter.Parameters["View"].SetValue(views[3]);
//Draw Models
DrawModels();
#endregion
#region Down
DeferredRenderer.Instance.GraphicsDevice.SetRenderTarget(pointLight.ShadowMap, CubeMapFace.NegativeY);
//Clear Target
DeferredRenderer.Instance.GraphicsDevice.Clear(Color.Transparent);
//Set global Effect parameters
depthWriter.Parameters["View"].SetValue(views[4]);
//Draw Models
DrawModels();
#endregion
#region Up
DeferredRenderer.Instance.GraphicsDevice.SetRenderTarget(pointLight.ShadowMap, CubeMapFace.PositiveY);
//Clear Target
DeferredRenderer.Instance.GraphicsDevice.Clear(Color.Transparent);
//Set global Effect parameters
depthWriter.Parameters["View"].SetValue(views[5]);
//Draw Models
DrawModels();
#endregion
}
