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/DataSource.h" 00029 #include "cinder/DataTarget.h" 00030 #include "cinder/Matrix.h" 00031 00032 namespace cinder { 00033 00034 class TriMesh { 00035 public: 00036 00037 void clear(); 00038 00039 bool hasNormals() const { return ! mNormals.empty(); } 00040 bool hasTexCoords() const { return ! mTexCoords.empty(); } 00041 00042 void appendVertex( const Vec3f &v ) { mVertices.push_back( v ); } 00043 void appendVertices( const Vec4d *verts, size_t num ); 00044 void appendNormal( const Vec3f &v ) { mNormals.push_back( v ); } 00045 void appendNormals( const Vec4d *normals, size_t num ); 00046 void appendTexCoord( const Vec2f &v ) { mTexCoords.push_back( v ); } 00047 void appendTriangle( size_t v0, size_t v1, size_t v2 ) 00048 { mIndices.push_back( v0 ); mIndices.push_back( v1 ); mIndices.push_back( v2 ); } 00049 00050 size_t getNumIndices() const { return mIndices.size(); } 00051 size_t getNumTriangles() const { return mIndices.size() / 3; } 00052 size_t getNumVertices() const { return mVertices.size(); } 00053 00055 void getTriangleVertices( size_t idx, Vec3f *a, Vec3f *b, Vec3f *c ) const; 00056 00057 const std::vector<Vec3f>& getVertices() const { return mVertices; } 00058 const std::vector<Vec3f>& getNormals() const { return mNormals; } 00059 const std::vector<Vec2f>& getTexCoords() const { return mTexCoords; } 00060 const std::vector<size_t>& getIndices() const { return mIndices; } 00061 00063 AxisAlignedBox3f calcBoundingBox() const; 00065 AxisAlignedBox3f calcBoundingBox( const Matrix44f &transform ) const; 00066 00067 void read( DataSourceRef in ); 00068 void write( DataTargetRef out ) const; 00069 00070 private: 00071 std::vector<Vec3f> mVertices; 00072 std::vector<Vec3f> mNormals; 00073 std::vector<Vec2f> mTexCoords; 00074 std::vector<size_t> mIndices; 00075 }; 00076 00077 } // namespace cinder