MRReducePath.h

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#pragma once
 
#include "MRMeshFwd.h"
#include <vector>
 
namespace MR
{


template<typename T>
Vector2<T> unfoldOnPlane( const Vector3<T>& b, const Vector3<T>& c, const Vector2<T>& d, bool toLeftFrom0d );

template<typename T>
T shortestPathInQuadrangle( const Vector3<T>& a, const Vector3<T>& b, const Vector3<T>& c, const Vector3<T>& d );

template<typename T>
bool isUnfoldQuadrangleConvex( const Vector3<T>& a, const Vector3<T>& b, const Vector3<T>& c, const Vector3<T>& d )
{
    auto x = shortestPathInQuadrangle( a, b, c, d );
    return x > 0 && x < 1; 
}

MRMESH_API bool reducePathViaVertex( const Mesh & mesh, const MeshTriPoint & start, VertId v, const MeshTriPoint & end, 
    SurfacePath & outPath, std::vector<Vector2f> & tmp, SurfacePath& cachePath );

MRMESH_API int reducePath( const Mesh & mesh, const MeshTriPoint & start, SurfacePath & path, const MeshTriPoint & end, int maxIter = 5 );

 
}