private static void SetupCameraMatrices(MyRenderMessageSetCameraViewMatrix message)
{
var viewMatrixAt0 = message.ViewMatrix;
viewMatrixAt0.M14 = 0;
viewMatrixAt0.M24 = 0;
viewMatrixAt0.M34 = 0;
viewMatrixAt0.M41 = 0;
viewMatrixAt0.M42 = 0;
viewMatrixAt0.M43 = 0;
viewMatrixAt0.M44 = 1;
var originalProjection = message.ProjectionMatrix;
var invOriginalProjection = Matrix.CreatePerspectiveFovInv(message.FOV, MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y, message.NearPlane, message.FarPlane);
var complementaryProjection = Matrix.CreatePerspectiveFieldOfView(message.FOV, MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y, message.FarPlane, message.NearPlane);
var invProj = Matrix.CreatePerspectiveFovInv(message.FOV, MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y, message.FarPlane, message.NearPlane);
var invView = Matrix.Transpose(viewMatrixAt0);
invView.M41 = (float)message.CameraPosition.X;
invView.M42 = (float)message.CameraPosition.Y;
invView.M43 = (float)message.CameraPosition.Z;
MyEnvironment.ViewAt0 = viewMatrixAt0;
MyEnvironment.InvViewAt0 = Matrix.Transpose(viewMatrixAt0);
MyEnvironment.ViewProjectionAt0 = viewMatrixAt0 * complementaryProjection;
MyEnvironment.InvViewProjectionAt0 = invProj * Matrix.Transpose(viewMatrixAt0);
message.CameraPosition.AssertIsValid();
MyEnvironment.CameraPosition = message.CameraPosition;
MyEnvironment.View = message.ViewMatrix;
MyEnvironment.InvView = invView;
MyEnvironment.ViewProjection = message.ViewMatrix * complementaryProjection;
MyEnvironment.InvViewProjection = invProj * invView;
MyEnvironment.Projection = complementaryProjection;
MyEnvironment.InvProjection = invProj;
MyEnvironment.NearClipping = message.NearPlane;
MyEnvironment.FarClipping = message.FarPlane;
MyEnvironment.FovY = message.FOV;
MyEnvironment.ViewFrustum = new BoundingFrustum(MyEnvironment.ViewProjection);
}
