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# include/cinder/TriMesh.h

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    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