Ah sorry, i forgot to post that bit ops:

type
PVector2f = ^TVector2f;
PVector3f = ^TVector3f;
PVector4f = ^TVector4f;

TVolumetricCloud = Class
//
vBuffer: PVector3f;
tBuffer: PVector2f;
cBuffer: PVector4f;
IcBuffer: PVector4f;
end;

Thanks