BlobbyPrimitive.h

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// Copyright (C) 2005 Dave Griffiths
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#include <set>

#include "Primitive.h"
#include "PolyPrimitive.h"

#ifndef N_BLOBBYPRIM
#define N_BLOBBYPRIM

namespace Fluxus
{

class BlobbyPrimitive : public Primitive
{
public:
    
    BlobbyPrimitive(int dimx, int dimy, int dimz, dVector size);
    BlobbyPrimitive(const BlobbyPrimitive &other);
    virtual  ~BlobbyPrimitive();
    
    virtual BlobbyPrimitive* Clone() const;
    virtual void Render();
    virtual dBoundingBox GetBoundingBox();
    virtual void RecalculateNormals(bool smooth);
    virtual void ApplyTransform(bool ScaleRotOnly=false);
    virtual string GetTypeName() { return "BlobbyPrimitive"; }
    
    virtual void AddInfluence(const dVector &Vert, float Strength); 
    
    void ConvertToPoly(PolyPrimitive &poly, float isolevel=1.0f);
    
protected:
    class Triangle 
    {
    public:
        dVector p[3];
    };

    class Cell 
    {
    public:
        dVector p[8];
        float val[8];
        dColour col[8];
    };
    
    void Draw(float isolevel, bool calcnormals, bool colour);
    void Interpolate(dVertex &vert, float isolevel, int cell, int a, int b);
    float Sample(const dVector &pos);
    float SampleCol(const dVector &pos, dColour &col);
        
    virtual void PDataDirty();
    
    vector<dVector> *m_PosData;
    vector<float> *m_StrengthData;
    vector<dColour> *m_ColData;
    
    vector<Cell> m_Voxels;
};

};

#endif

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