/// <summary>
/// Check if a vertex can be merged with another vertex.
///
/// This is *not* Equals(). We want default Equals()/GetHashCode() behaviour
/// to keep EditVertex instances distinct in dictionaries and hash sets.
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public bool CanBeMergedWith(EditVertex other)
{
return((Position - other.Position).LengthSquared() < MergeVectorEpsilon &&
AreNullableVectorsApproxEqual(Normal, other.Normal) &&
AreNullableVectorsApproxEqual(Tangent, other.Tangent) &&
AreNullableVectorsApproxEqual(Bitangent, other.Bitangent) &&
TexCoord.Zip(other.TexCoord, AreNullableVectorsApproxEqual).All(_ => _) &&
Color.Zip(other.Color, AreNullableColorsApproxEqual).All(_ => _));
}
/// <summary>
/// Construct an EditMesh from a given Mesh. Call this only if you hold the monitor on
/// the mesh or can otherwise ensure mutual exclusion
///
/// The EditMesh is independent and retains no reference to the original
/// data, use ApplyToMesh() to propagate changes back.
/// </summary>
/// <param name="mesh"></param>
public EditMesh(Mesh mesh)
{
Faces = new List <EditFace>(mesh.FaceCount);
Vertices = new List <EditVertex>(mesh.FaceCount * 3);
for (int i = 0; i < mesh.FaceCount; ++i)
{
var srcFace = mesh.Faces[i];
var destFace = new EditFace();
for (int j = 0; j < srcFace.IndexCount; ++j)
{
var vert = new EditVertex(mesh, srcFace.Indices[j]);
Vertices.Add(vert);
destFace.AddVertex(vert);
}
Faces.Add(destFace);
}
ComputeAdjacentVertices();
}
public void AddVertex(EditVertex vertex)
{
Vertices.Add(vertex);
vertex.Face = this;
}
public bool IsApproximatelySamePosition(EditVertex other)
{
return((Position - other.Position).LengthSquared() < MergeVectorEpsilon);
}
/// <summary>
/// Check if a vertex can be merged with another vertex.
///
/// This is *not* Equals(). We want default Equals()/GetHashCode() behaviour
/// to keep EditVertex instances distinct in dictionaries and hash sets.
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public bool CanBeMergedWith(EditVertex other)
{
return (Position - other.Position).LengthSquared() < MergeVectorEpsilon &&
AreNullableVectorsApproxEqual(Normal, other.Normal) &&
AreNullableVectorsApproxEqual(Tangent, other.Tangent) &&
AreNullableVectorsApproxEqual(Bitangent, other.Bitangent) &&
TexCoord.Zip(other.TexCoord, AreNullableVectorsApproxEqual).All(_ => _) &&
Color.Zip(other.Color, AreNullableColorsApproxEqual).All(_ => _);
}
/// <summary>
/// Construct an EditMesh from a given Mesh. Call this only if you hold the monitor on
/// the mesh or can otherwise ensure mutual exclusion
///
/// The EditMesh is independent and retains no reference to the original
/// data, use ApplyToMesh() to propagate changes back.
/// </summary>
/// <param name="mesh"></param>
public EditMesh(Mesh mesh)
{
Faces = new List<EditFace>(mesh.FaceCount);
Vertices = new List<EditVertex>(mesh.FaceCount * 3);
for (int i = 0; i < mesh.FaceCount; ++i)
{
var srcFace = mesh.Faces[i];
var destFace = new EditFace();
for (int j = 0; j < srcFace.IndexCount; ++j)
{
var vert = new EditVertex(mesh, srcFace.Indices[j]);
Vertices.Add(vert);
destFace.AddVertex(vert);
}
Faces.Add(destFace);
}
ComputeAdjacentVertices();
}
public void AddVertex(EditVertex vertex)
{
Vertices.Add(vertex);
vertex.Face = this;
}
public bool IsApproximatelySamePosition(EditVertex other)
{
return (Position - other.Position).LengthSquared() < MergeVectorEpsilon;
}