Edge.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "Math/Vector.h"
 
/**
 * Implements an edge consisting of two vertices.
 */
struct FEdge
{
    /** Holds the edge vertices. */
    FVector Vertex[2];
 
    /** Holds a temporary variable used when creating arrays of unique edges. */
    int32 Count;
 
public:
 
    /** Default constructor (no initialization). */
    FEdge () { }
 
    /**
     * Creates and initializes a new edge from two vertices.
     *
     * @param V1 The first vertex.
     * @param V2 The second vertex.
     */
    FEdge (FVector V1, FVector V2)
    {
        Vertex[0] = V1;
        Vertex[1] = V2;
        Count = 0;
    }
 
public:
 
    /**
     * Compares this edge with another.
     *
     * @param E The other edge.
     * @return true if the two edges are identical, false otherwise.
     */
    bool operator== (const FEdge& E) const
    {
        return (((E.Vertex[0] == Vertex[0]) && (E.Vertex[1] == Vertex[1])) || ((E.Vertex[0] == Vertex[1]) && (E.Vertex[1] == Vertex[0])));
    }
};