/// <summary>
/// Determines whether the specified <see cref="DoubleConnectedEdgeList.HalfEdge"/> is equal to the current <see cref="T:DoubleConnectedEdgeList.HalfEdge"/>.
/// </summary>
/// <param name="other">The <see cref="DoubleConnectedEdgeList.HalfEdge"/> to compare with the current <see cref="T:DoubleConnectedEdgeList.HalfEdge"/>.</param>
/// <returns><c>true</c> if the specified <see cref="DoubleConnectedEdgeList.HalfEdge"/> is equal to the current
/// <see cref="T:DoubleConnectedEdgeList.HalfEdge"/>; otherwise, <c>false</c>.</returns>
public bool Equals(HalfEdge other)
{
OriginDestinationComparer edgeComparer = new OriginDestinationComparer();
Vertex.PositionComparer vertexComparer = new Vertex.PositionComparer();
Face.MeshIdxAndNormalComparer faceComparer = new Face.MeshIdxAndNormalComparer();
return(
vertexComparer.Equals(this.Origin, other.Origin) &&
edgeComparer.Equals(this.Twin, other.Twin) &&
edgeComparer.Equals(this.Previous, other.Previous) &&
edgeComparer.Equals(this.Next, other.Next) &&
faceComparer.Equals(this.IncidentFace, other.IncidentFace)
);
}
/// <summary>
/// Serves as a hash function for a <see cref="T:DoubleConnectedEdgeList.HalfEdge"/> object.
/// </summary>
/// <returns>A hash code for this instance that is suitable for use in hashing algorithms and data structures such as a
/// hash table.</returns>
public override int GetHashCode()
{
OriginDestinationComparer edge = new OriginDestinationComparer();
Vertex.PositionComparer vertex = new Vertex.PositionComparer();
Face.MeshIdxAndNormalComparer face = new Face.MeshIdxAndNormalComparer();
int hash = 17;
hash *= (31 + vertex.GetHashCode(Origin));
hash *= (31 + edge.GetHashCode(Twin));
hash *= (31 + edge.GetHashCode(Previous));
hash *= (31 + edge.GetHashCode(Next));
hash *= (31 + face.GetHashCode(IncidentFace));
return(hash);
}