00001 /* 00002 Copyright (c) 2010, The Barbarian Group 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that 00006 the following conditions are met: 00007 00008 * Redistributions of source code must retain the above copyright notice, this list of conditions and 00009 the following disclaimer. 00010 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 00011 the following disclaimer in the documentation and/or other materials provided with the distribution. 00012 00013 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 00014 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00015 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 00016 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00017 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00018 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00019 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00020 POSSIBILITY OF SUCH DAMAGE. 00021 */ 00022 00023 #pragma once 00024 00025 #include <vector> 00026 #include "cinder/Vector.h" 00027 #include "cinder/AxisAlignedBox.h" 00028 #include "cinder/Stream.h" 00029 00030 namespace cinder { 00031 00032 class TriMesh { 00033 public: 00034 00035 void clear(); 00036 00037 bool hasNormals() const { return ! mNormals.empty(); } 00038 bool hasTexCoords() const { return ! mTexCoords.empty(); } 00039 00040 void appendVertex( const Vec3f &v ) { mVertices.push_back( v ); } 00041 void appendVertices( const Vec4d *verts, size_t num ); 00042 void appendNormal( const Vec3f &v ) { mNormals.push_back( v ); } 00043 void appendNormals( const Vec4d *normals, size_t num ); 00044 void appendTexCoord( const Vec2f &v ) { mTexCoords.push_back( v ); } 00045 void appendTriangle( size_t v0, size_t v1, size_t v2 ) 00046 { mIndices.push_back( v0 ); mIndices.push_back( v1 ); mIndices.push_back( v2 ); } 00047 00048 size_t getNumIndices() const { return mIndices.size(); } 00049 size_t getNumTriangles() const { return mIndices.size() / 3; } 00050 size_t getNumVertices() const { return mVertices.size(); } 00051 00052 const std::vector<Vec3f>& getVertices() const { return mVertices; } 00053 const std::vector<Vec3f>& getNormals() const { return mNormals; } 00054 const std::vector<Vec2f>& getTexCoords() const { return mTexCoords; } 00055 const std::vector<size_t>& getIndices() const { return mIndices; } 00056 00057 AxisAlignedBox3f calcBoundingBox() const; 00058 00059 void read( IStream *in ); 00060 void write( OStream *out ) const; 00061 00062 private: 00063 std::vector<Vec3f> mVertices; 00064 std::vector<Vec3f> mNormals; 00065 std::vector<Vec2f> mTexCoords; 00066 std::vector<size_t> mIndices; 00067 }; 00068 00069 } // namespace cinder