CapsuleShapeData.h

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/*************************************************************************
 *                                                                       *
 * Open Physics Abstraction Layer                                        *
 * Copyright (C) 2004-2005                                               *
 * Alan Fischer  alan.fischer@gmail.com                                  *
 * Andres Reinot  andres@reinot.com                                      *
 * Tyler Streeter  tylerstreeter@gmail.com                               *
 * All rights reserved.                                                  *
 * Web: opal.sourceforge.net                                             *
 *                                                                       *
 * This library is free software; you can redistribute it and/or         *
 * modify it under the terms of EITHER:                                  *
 *   (1) The GNU Lesser General Public License as published by the Free  *
 *       Software Foundation; either version 2.1 of the License, or (at  *
 *       your option) any later version. The text of the GNU Lesser      *
 *       General Public License is included with this library in the     *
 *       file license-LGPL.txt.                                          *
 *   (2) The BSD-style license that is included with this library in     *
 *       the file license-BSD.txt.                                       *
 *                                                                       *
 * This library 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 files    *
 * license-LGPL.txt and license-BSD.txt for more details.                *
 *                                                                       *
 *************************************************************************/

#ifndef OPAL_CAPSULE_SHAPE_DATA_H
#define OPAL_CAPSULE_SHAPE_DATA_H

#include "Defines.h"
#include "ShapeData.h"

namespace opal
{
        class CapsuleShapeData : public ShapeData
        {
        public:
                OPAL_DECL CapsuleShapeData()
                : ShapeData()
                {
                        mType = CAPSULE_SHAPE;
                        radius = defaults::shape::capsuleRadius;
                        length = defaults::shape::capsuleLength;
                }

                OPAL_DECL CapsuleShapeData(const CapsuleShapeData& data)
                {
                        (*this) = data;
                }

                OPAL_DECL virtual ~CapsuleShapeData()
                {
                }

                OPAL_DECL virtual void OPAL_CALL operator=(
                        const CapsuleShapeData& data)
                {
                        mType = data.mType;
                        offset = data.offset;
                        material = data.material;
                        contactGroup = data.contactGroup;
                        radius = data.radius;
                        length = data.length;
                }

                OPAL_DECL virtual void OPAL_CALL getLocalAABB(real aabb[6])
                {
                        // The standard initial capsule orientation in OPAL is to 
                        // align it along the Z axis.
                        aabb[0] = -radius;
                        aabb[1] = radius;
                        aabb[2] = -radius;
                        aabb[3] = radius;
                        aabb[4] = -(real)0.5 * length - radius;
                        aabb[5] = (real)0.5 * length + radius;
                }

                real radius;

                real length;

        protected:

        private:
        };
}

#endif

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