FaceMesh.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "Mesh/Structure/Mesh.h"
 
namespace UE::CADKernel
{
class FModelMesh;
class FTopologicalEntity;
class FTopologicalFace;
 
class CADKERNEL_API FFaceMesh : public FMesh
{
public:
 
    TArray<int32> TrianglesVerticesIndex;
 
    TArray<int32> VerticesGlobalIndex;
 
    TArray<FVector3f> Normals;
 
    TArray<FVector2f> UVMap;
 
public:
    FFaceMesh(FModelMesh& InMeshModel, FTopologicalEntity& InTopologicalEntity)
        : FMesh(InMeshModel, InTopologicalEntity)
    {
    }
 
    void Init(int32 TriangleNum, int32 VertexNum)
    {
        TrianglesVerticesIndex.Reserve(TriangleNum * 3);
 
        VerticesGlobalIndex.Reserve(VertexNum);
        Normals.Reserve(VertexNum);
        UVMap.Reserve(VertexNum);
    }
 
    void AddTriangle(int32 IndexA, int32 IndexB, int32 IndexC)
    {
        if (VerticesGlobalIndex[IndexA] == VerticesGlobalIndex[IndexB] || VerticesGlobalIndex[IndexA] == VerticesGlobalIndex[IndexC] || VerticesGlobalIndex[IndexB] == VerticesGlobalIndex[IndexC])
        {
            return;
        }
 
        TrianglesVerticesIndex.Add(IndexA);
        TrianglesVerticesIndex.Add(IndexB);
        TrianglesVerticesIndex.Add(IndexC);
    }
 
    void InverseOrientation();
 
    void GetNodeIdToCoordinates(TMap<int32, const FVector*>& NodeIdToCoordinates) const;
 
};
}