MarchingCubesHelper.h

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#pragma once
 
#include "Vector.h"
#include "DataTypes.h"
 
#include "Module/TopologyModule.h"
 
#include "Primitive/Primitive3D.h"
#include "Topology/DistanceField3D.h"
 
namespace dyno
{
#define Inside( a, iso, h ) \
    ((a) < float(iso - 0.001953125 * h ))
 
#define Outside( a, iso, h ) \
    ((a) > float( iso + 0.001953125 * h ))
 
#define OnSurface( a, iso, h ) \
    ((a) <= float( iso + 0.001953125 * h ) && (a) >= float(iso - 0.001953125 * h ))
 
    template<typename TDataType>
    class MarchingCubesHelper 
    {
    public:
        typedef typename TDataType::Real Real;
        typedef typename TDataType::Coord Coord;
 
        MarchingCubesHelper() {};
 
        static void reconstructSDF(
            DArray3D<Real>& distances,
            Coord origin,
            Real h,
            DistanceField3D<TDataType>& sdf);
 
        static void countVerticeNumber(
            DArray<int>& num,
            DArray3D<Real>& distances,
            Real isoValue,
            Real h);
 
        static void constructTriangles(
            DArray<Coord>& vertices,
            DArray<TopologyModule::Triangle>& triangles,
            DArray<int>& vertNum,
            DArray3D<Real>& distances,
            Coord origin,
            Real isoValue,
            Real h);
 
        static void countVerticeNumberForClipper(
            DArray<int>& num,
            DistanceField3D<TDataType>& sdf,
            TPlane3D<Real> plane);
 
        static void constructTrianglesForClipper(
            DArray<Real>& field,
            DArray<Coord>& vertices,
            DArray<TopologyModule::Triangle>& triangles,
            DArray<int>& vertNum,
            DistanceField3D<TDataType>& sdf,
            TPlane3D<Real> plane);
 
 
        static void countVerticeNumberForOctree(
            DArray<uint>& num,
            DArray<Coord>& vertices,
            DArray<Real>& sdfs,
            Real isoValue);
 
        static void constructTrianglesForOctree(
            DArray<Coord>& triangleVertices,
            DArray<TopologyModule::Triangle>& triangles,
            DArray<uint>& num,
            DArray<Coord>& cellVertices,
            DArray<Real>& sdfs,
            Real isoValue);
 
        static void countVerticeNumberForOctreeClipper(
            DArray<uint>& num,
            DArray<Coord>& vertices,
            TPlane3D<Real> plane);
 
        static void constructTrianglesForOctreeClipper(
            DArray<Real>& vertSDFs,
            DArray<Coord>& triangleVertices,
            DArray<TopologyModule::Triangle>& triangles,
            DArray<uint>& num,
            DArray<Coord>& cellVertices,
            DArray<Real>& sdfs,
            TPlane3D<Real> plane);
    };
}