MRMeshDistance.h

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#pragma once
 
// distance queries to one mesh only, please see MRMeshMeshDistance.h for queries involving two meshes
 
#include "MRMeshPart.h"
#include "MRSignDetectionMode.h"
#include <cfloat>
#include <functional>
#include <optional>
 
namespace MR
{
 
 
enum class ProcessOneResult : bool
{
    StopProcessing = false,
    ContinueProcessing = true
};
 
using TriangleCallback = std::function<ProcessOneResult( const Vector3f & p, FaceId f, const Vector3f & q, float distSq )>;
 
MRMESH_API void processCloseTriangles( const MeshPart& mp, const Triangle3f & t, float rangeSq, const TriangleCallback & call );
 
struct DistanceToMeshOptions
{
    float minDistSq{ 0 };
 
    float maxDistSq{ FLT_MAX };
 
    SignDetectionMode signMode{ SignDetectionMode::ProjectionNormal };
 
    float windingNumberThreshold = 0.5f;
 
    float windingNumberBeta = 2;
};
 
[[nodiscard]] MRMESH_API std::optional<float> signedDistanceToMesh( const MeshPart& mp, const Vector3f& p, const DistanceToMeshOptions& op );
 
 
} // namespace MR