00001 /* 00002 toxic - A Global Illumination Renderer 00003 Copyright (C) 2003-2004 Francois Beaune 00004 Contact: http://toxicengine.sourceforge.net/ 00005 00006 This file is part of toxic. 00007 00008 toxic is free software; you can redistribute it and/or modify 00009 it under the terms of the GNU General Public License as published by 00010 the Free Software Foundation; either version 2 of the License, or 00011 (at your option) any later version. 00012 00013 toxic is distributed in the hope that it will be useful, 00014 but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 GNU General Public License for more details. 00017 00018 You should have received a copy of the GNU General Public License 00019 along with toxic; if not, write to the Free Software 00020 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00021 */ 00022 00023 inline 00024 sheep::Real LambertianBRDF::Evaluate(const Context &context, 00025 const sheep::Vector3 &incoming, 00026 const sheep::Vector3 &outgoing) const 00027 { 00028 assert(incoming.IsUnitLength()); 00029 assert(incoming.m_y > 0.0); 00030 assert(outgoing.IsUnitLength()); 00031 assert(outgoing.m_y > 0.0); 00032 00033 return 1.0 / sheep::PI; 00034 } 00035 00036 inline 00037 sheep::Real LambertianBRDF::ComputeReflectance(const Context &context) const { 00038 return 1.0; 00039 } 00040 00041 inline 00042 sheep::Real LambertianBRDF::ComputeReflectance(const Context &context, 00043 const sheep::Vector3 &incoming) const 00044 { 00045 assert(incoming.IsUnitLength()); 00046 assert(incoming.m_y > 0.0); 00047 00048 return 1.0; 00049 }
1.3.6