reactphysics3d/src/collision/PolyhedronMesh.cpp

/********************************************************************************
* ReactPhysics3D physics library, http://www.reactphysics3d.com                 *
* Copyright (c) 2010-2016 Daniel Chappuis                                       *
*********************************************************************************
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* This software is provided 'as-is', without any express or implied warranty.   *
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* use of this software.                                                         *
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*    that you wrote the original software. If you use this software in a        *
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*    appreciated but is not required.                                           *
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*    misrepresented as being the original software.                             *
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// Libraries
#include "PolyhedronMesh.h"

using namespace reactphysics3d;


// Constructor
PolyhedronMesh::PolyhedronMesh() : mIsFinalized(false) {

}

// Add a vertex into the polyhedron.
// This method returns the index of the vertex that you need to use
// to add faces.
uint PolyhedronMesh::addVertex(const Vector3& vertex) {
    mVertices.push_back(vertex);
    return mVertices.size() - 1;
}

// Add a face into the polyhedron.
// A face is a list of vertices indices (returned by addVertex() method).
// The order of the indices are important. You need to specify the vertices of
// of the face sorted counter-clockwise as seen from the outside of the polyhedron.
void PolyhedronMesh::addFace(std::vector<uint> faceVertices) {
    mFaces.push_back(faceVertices);
}

// Call this method when you are done adding vertices and faces
void PolyhedronMesh::finalize() {

    if (mIsFinalized) return;

    // Initialize the half-edge structure
    mHalfEdgeStructure.init(mVertices, mFaces);

    mIsFinalized = true;
}