float3 CameraPositionWS = LWCToFloat(ResolvedView.WorldCameraOrigin);
float3 CameraVectorWS = -Parameters.CameraVector;

Color = 0.0;
Dir = CameraVectorWS;

BlackHoleProperties BHP;
Mask = 1.0;
BHP.Mass = Mass;
BHP.EventHorizon = Mass*2.0;
BlackHole(Color,Mask,Dir,CameraPositionWS,BHP);

return 1.0;