[Algorithms] Sh data falloff..

[Andreas T. <at...@cu...>]

	// compute luminance for this light and this vertex
	XVECTOR4 vTmpCol =3D fClusteredPCA[nClusterOffset];
	vTmpCol.x +=3D vExitR.x + vExitR.y + vExitR.z + vExitR.w;
	vTmpCol.y +=3D vExitG.x + vExitG.y + vExitG.z + vExitG.w;
	vTmpCol.z +=3D vExitB.x + vExitB.y + vExitB.z + vExitB.w;
	XCOLOR rLuminance(vTmpCol.x, vTmpCol.y, vTmpCol.z, vTmpCol.w);
=09
	// Calulate distance from vertex to light
	XVECTOR3 vTmp;=20
	XVec3TransformCoord(&vTmp, &pSTDVertices[i].vPosition, &objmat);
	vTmp =3D lobj->GetPos()-vTmp;
	float32 fDistVertex =3D XVec3Length(&vTmp);

	// calculate vertex luminance modulator
	float32 fLumMod =3D (( (fDistObject * fDistObject) / (fDistVertex * =
fDistVertex)));

	// modulate vertex luminance
	rLuminance.r =3D 0.5f*fLumMod;
	rLuminance.g =3D 0.5f*fLumMod;
	rLuminance.b =3D 0.5f*fLumMod;