spherifymodifier.h

// © Copyright 2010 - 2016 BlackTopp Studios Inc.
/* This file is part of The Mezzanine Engine.

    The Mezzanine Engine is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with The Mezzanine Engine.  If not, see <http://www.gnu.org/licenses/>.
*/
/* The original authors have included a copy of the license specified above in the
   'Docs' folder. See 'gpl.txt'
*/
/* We welcome the use of the Mezzanine engine to anyone, including companies who wish to
   Build professional software and charge for their product.

   However there are some practical restrictions, so if your project involves
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*/
/*
 -----------------------------------------------------------------------------
 This source file is part of ogre-procedural

 For the latest info, see http://code.google.com/p/ogre-procedural/

 Copyright (c) 2010-2013 Michael Broutin

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 -----------------------------------------------------------------------------
 */
#ifndef _graphicsproceduralspherifymodifier_h
#define _graphicsproceduralspherifymodifier_h

#include "Graphics/Procedural/Mesh/meshmodifier.h"

namespace Mezzanine
{
    namespace Graphics
    {
        namespace Procedural
        {
            ///////////////////////////////////////////////////////////////////////////////
            /// @brief A modifier that will increase or decrease the distance to a point to match a specified radius.
            /// @details
            ///////////////////////////////////////
            class MEZZ_LIB SpherifyModifier : public MeshModifier
            {
            protected:
                /// @internal
                /// @brief The central point for the sphere to project vertices onto.
                Vector3 SphereCenter;
                /// @internal
                /// @brief The radius of the sphere to project vertices onto.
                Real SphereRadius;
            public:
                /// @brief Blank constructor.
                SpherifyModifier();
                /// @brief Class destructor.
                virtual ~SpherifyModifier();

                ///////////////////////////////////////////////////////////////////////////////
                // Utility

                /// @copydoc MeshModifier::Modify(TriangleBuffer&)
                /// @exception If the SphereRadius is 0 or less when this is called an INVALID_STATE_EXCEPTION will be thrown.
                virtual void Modify(TriangleBuffer& Buffer);
                /// @copydoc MeshModifier::GetName() const
                virtual String GetName() const;

                ///////////////////////////////////////////////////////////////////////////////
                // Configuration

                /// @brief Sets the location of the sphere to project to.
                /// @param Center The central point for the sphere to project vertices onto.
                /// @return Return a reference to this.
                SpherifyModifier& SetSphereCenter(const Vector3& Center);
                /// @brief Sets the location of the sphere to project to.
                /// @param X The central point on the X axis for the sphere to project vertices onto.
                /// @param Y The central point on the Y axis for the sphere to project vertices onto.
                /// @param Z The central point on the Z axis for the sphere to project vertices onto.
                /// @return Return a reference to this.
                SpherifyModifier& SetSphereCenter(const Real X, const Real Y, const Real Z);
                /// @brief Sets the size of the sphere to project onto.
                /// @param Radius The radius of the sphere to project vertices onto.
                /// @return Return a reference to this.
                SpherifyModifier& SetSphereRadius(const Real Radius);
            };//SpherifyModifier
        }//Procedural
    }//Graphics
}//Mezzanine

#endif