MRMeshMeshDistance.h

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#pragma once

 
#include "MRPointOnFace.h"
#include "MRFaceFace.h"
#include "MRMeshPart.h"
#include <cfloat>
 
namespace MR
{

 
struct MeshMeshDistanceResult
{
    PointOnFace a, b;
    float distSq = 0;
};
 
enum class MeshMeshCollisionStatus
{
    BothOutside,
    BothInside,
    AInside,
    BInside,
    Colliding,
    Touching
};
 
struct MeshMeshSignedDistanceResult
{
    PointOnFace a, b;

    MeshMeshCollisionStatus status{ MeshMeshCollisionStatus::BothOutside };

    float signedDist = 0;
};

MRMESH_API MeshMeshDistanceResult findDistance( const MeshPart & a, const MeshPart & b,
    const AffineXf3f * rigidB2A = nullptr, float upDistLimitSq = FLT_MAX );

MRMESH_API MeshMeshSignedDistanceResult findSignedDistance( const MeshPart & a, const MeshPart & b,
    const AffineXf3f* rigidB2A = nullptr, float upDistLimitSq = FLT_MAX );

MRMESH_API MeshMeshCollisionStatus findCollisionStatus( const MeshPart& a, const MeshPart& b,
    const AffineXf3f* rigidB2A = nullptr );

MRMESH_API MeshMeshCollisionStatus findCollisionStatus( const MeshPart& a, const MeshPart& b, 
    const MeshMeshDistanceResult& distRes, const AffineXf3f* rigidB2A = nullptr, std::vector<FaceFace>* collisions = nullptr );

MRMESH_API float findMaxDistanceSqOneWay( const MeshPart& a, const MeshPart& b, const AffineXf3f* rigidB2A = nullptr, float maxDistanceSq = FLT_MAX );

MRMESH_API float findMaxDistanceSq( const MeshPart& a, const MeshPart& b, const AffineXf3f* rigidB2A = nullptr, float maxDistanceSq = FLT_MAX );

 
}