filter = RC_REJECT_PHYSICAL|RC_REJECT_LAND;
        list results = llCastRay( llGetPos(), llGetPos() + (<0.0, 0.0, RAYDISTANCE> * llGetRot()), [ RC_REJECT_TYPES, filter ] );
        key avatar   = llList2Key(results, 0);
        if (avatar) sayDebug("Hit " + (string)avatar);