MRMeshThickness.h

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#pragma once
 
#include "MRPch/MRBindingMacros.h"
#include "MRMeshFwd.h"
#include "MRMeshProject.h"
#include <cfloat>
#include <optional>
 
namespace MR
{
 

[[nodiscard]] MRMESH_API std::optional<VertScalars> computeRayThicknessAtVertices( const Mesh& mesh, const ProgressCallback & progress = {} );
[[deprecated]] MRMESH_API MR_BIND_IGNORE VertScalars computeThicknessAtVertices( const Mesh& mesh );

struct MeshPoint
{
    MeshTriPoint triPoint; 
    Vector3f pt;           
    Vector3f inDir;        
    FacePredicate notIncidentFaces; 
 
    MRMESH_API void set( const Mesh& mesh, const MeshTriPoint & p );
};

[[nodiscard]] MRMESH_API MeshIntersectionResult rayInsideIntersect( const Mesh& mesh, const MeshPoint & m, float rayEnd = FLT_MAX );
[[nodiscard]] MRMESH_API MeshIntersectionResult rayInsideIntersect( const Mesh& mesh, VertId v, float rayEnd = FLT_MAX );


struct InSphereSearchSettings
{
    bool insideAndOutside = false;

    float maxRadius = 1;

    int maxIters = 16;

    float minShrinkage = 0.99999f;

    float minAngleCos = -1;
};

struct InSphere
{
    Vector3f center;
    float radius = 0;
    MeshProjectionResult oppositeTouchPoint; 
};

[[nodiscard]] MRMESH_API InSphere findInSphere( const Mesh& mesh, const MeshPoint & m, const InSphereSearchSettings & settings );
[[nodiscard]] MRMESH_API InSphere findInSphere( const Mesh& mesh, VertId v, const InSphereSearchSettings & settings );

[[nodiscard]] MRMESH_API std::optional<VertScalars> computeInSphereThicknessAtVertices( const Mesh& mesh,
    const InSphereSearchSettings & settings, const ProgressCallback & progress = {} );
 
}