git-svn-id: https://reactphysics3d.googlecode.com/svn/trunk@164 92aac97c-a6ce-11dd-a772-7fcde58d38e6

sources/reactphysics3d/mathematics/Polygon3D.cpp

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+/****************************************************************************
+* Copyright (C) 2009      Daniel Chappuis                                  *
+****************************************************************************
+* This file is part of ReactPhysics3D.                                     *
+*                                                                          *
+* ReactPhysics3D is free software: you can redistribute it and/or modify   *
+* it under the terms of the GNU Lesser General Public License as published *
+* by the Free Software Foundation, either version 3 of the License, or     *
+* (at your option) any later version.                                      *
+*                                                                          *
+* ReactPhysics3D is distributed in the hope that it will be useful,        *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of           *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the             *
+* GNU Lesser General Public License for more details.                      *
+*                                                                          *
+* You should have received a copy of the GNU Lesser General Public License *
+* along with ReactPhysics3D. If not, see <http://www.gnu.org/licenses/>.   *
+***************************************************************************/
+
+// Libraries
+#include "Polygon3D.h"
+
+// We want to use the ReactPhysics3D namespace
+using namespace reactphysics3d;
+
+// Constructor
+Polygon3D::Polygon3D(const std::vector<Vector3D>& vertexList)
+          :vertexList(vertexList) {
+
+}
+
+// Destructor
+Polygon3D::~Polygon3D() {
+
+}

sources/reactphysics3d/mathematics/Polygon3D.h

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+/****************************************************************************
+* Copyright (C) 2009      Daniel Chappuis                                  *
+****************************************************************************
+* This file is part of ReactPhysics3D.                                     *
+*                                                                          *
+* ReactPhysics3D is free software: you can redistribute it and/or modify   *
+* it under the terms of the GNU Lesser General Public License as published *
+* by the Free Software Foundation, either version 3 of the License, or     *
+* (at your option) any later version.                                      *
+*                                                                          *
+* ReactPhysics3D is distributed in the hope that it will be useful,        *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of           *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the             *
+* GNU Lesser General Public License for more details.                      *
+*                                                                          *
+* You should have received a copy of the GNU Lesser General Public License *
+* along with ReactPhysics3D. If not, see <http://www.gnu.org/licenses/>.   *
+***************************************************************************/
+
+#ifndef POLYGON3D_H
+#define POLYGON3D_H
+
+// Libraries
+#include <vector>
+#include <stdexcept>
+#include "Vector3D.h"
+
+// ReactPhysics3D namespace
+namespace reactphysics3d {
+
+/*  -------------------------------------------------------------------
+    Class Polygon3D :
+        This class represents a 3D polygon.
+    -------------------------------------------------------------------
+*/
+class Polygon3D {
+    private :
+        std::vector<Vector3D> vertexList;    // Ordered list of all vertices of the polygon
+
+    public :
+        Polygon3D(const std::vector<Vector3D>& vertexList);          // Constructor
+        ~Polygon3D();                                                // Destructor
+
+        int getNbVertex() const;                                                     // Return the number of vertex of the polygon
+        Vector3D getVertex(unsigned int index) const throw(std::invalid_argument);   // Return a vertex of the polygon
+};
+
+// TODO : Test the Polygon3D class
+
+// Return the number of vertex of the polygon
+inline int Polygon3D::getNbVertex() const {
+    return vertexList.size();
+}
+
+// Return a vertex of the polygon
+inline Vector3D Polygon3D::getVertex(unsigned int index) const throw(std::invalid_argument) {
+    // Check if the index argument is valid
+    if (index >= 0 && index < vertexList.size()) {
+        return vertexList[index];
+    }
+    else {
+        // The index is invalid, we throw an exception
+        throw std::invalid_argument("Exception : The index argument has to be between zero and the number of vertex of the polygon");
+    }
+}
+
+} // End of the ReactPhysics3D
+
+#endif
+
+