00001 //------------------------------------------------------------------------------ 00002 // This file is part of the OpenStructure project <www.openstructure.org> 00003 // 00004 // Copyright (C) 2008-2011 by the OpenStructure authors 00005 // 00006 // This library is free software; you can redistribute it and/or modify it under 00007 // the terms of the GNU Lesser General Public License as published by the Free 00008 // Software Foundation; either version 3.0 of the License, or (at your option) 00009 // any later version. 00010 // This library is distributed in the hope that it will be useful, but WITHOUT 00011 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00012 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 00013 // details. 00014 // 00015 // You should have received a copy of the GNU Lesser General Public License 00016 // along with this library; if not, write to the Free Software Foundation, Inc., 00017 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 //------------------------------------------------------------------------------ 00019 #ifndef OST_GFX_SYMMETRY_NODE_HH 00020 #define OST_GFX_SYMMETRY_NODE_HH 00021 00022 #include <ost/geom/geom.hh> 00023 #include <ost/gfx/module_config.hh> 00024 #include <ost/gfx/gfx_node.hh> 00025 00026 namespace ost { namespace gfx { 00027 00028 // temporary symmetry op class. This will be moved to base (or geom). 00029 class DLLEXPORT_OST_GFX SymmetryOp { 00030 public: 00031 SymmetryOp(const geom::Mat3& rot, 00032 const geom::Vec3& trans=geom::Vec3(0, 0, 0)); 00033 SymmetryOp(const geom::Mat4& transform); 00034 // push onto GL_MODELVIEW stack 00035 void Push(); 00036 // pop from GL_MODELVIEW stack 00037 void Pop(); 00038 00039 bool operator==(const SymmetryOp& rhs) const { return tf_==rhs.tf_; } 00040 bool operator!=(const SymmetryOp& rhs) const { return tf_!=rhs.tf_; } 00041 private: 00042 geom::Mat4 tf_; 00043 }; 00044 00045 typedef std::vector<SymmetryOp> SymmetryOpList; 00046 00048 class DLLEXPORT_OST_GFX SymmetryNode : public GfxNode { 00049 public: 00050 SymmetryNode(const String& name, const SymmetryOpList& sym_ops); 00051 00052 virtual void RenderGL(RenderPass pass); 00053 private: 00054 SymmetryOpList sym_ops_; 00055 }; 00056 00064 }} 00065 00066 #endif