public override object Clone()
{
Face3d entity = new Face3d
{
//EntityObject properties
Layer = (Layer)this.Layer.Clone(),
Linetype = (Linetype)this.Linetype.Clone(),
Color = (AciColor)this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency)this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
IsVisible = this.IsVisible,
//Face3d properties
FirstVertex = this.firstVertex,
SecondVertex = this.secondVertex,
ThirdVertex = this.thirdVertex,
FourthVertex = this.fourthVertex,
EdgeFlags = this.edgeFlags
};
foreach (XData data in this.XData.Values)
{
entity.XData.Add((XData)data.Clone());
}
return(entity);
}
public List <EntityObject> Explode()
{
List <EntityObject> entities = new List <EntityObject>();
foreach (PolyfaceMeshFace face in this.Faces)
{
if (face.VertexIndexes.Count == 1)
{
Point point = new Point
{
Layer = (Layer)this.Layer.Clone(),
Linetype = (Linetype)this.Linetype.Clone(),
Color = (AciColor)this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency)this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
Position = this.Vertexes[Math.Abs(face.VertexIndexes[0]) - 1].Location,
};
entities.Add(point);
continue;
}
if (face.VertexIndexes.Count == 2)
{
Line line = new Line
{
Layer = (Layer)this.Layer.Clone(),
Linetype = (Linetype)this.Linetype.Clone(),
Color = (AciColor)this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency)this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
StartPoint = this.Vertexes[Math.Abs(face.VertexIndexes[0]) - 1].Location,
EndPoint = this.Vertexes[Math.Abs(face.VertexIndexes[1]) - 1].Location,
};
entities.Add(line);
continue;
}
Face3dEdgeFlags edgeVisibility = Face3dEdgeFlags.Visibles;
short indexV1 = face.VertexIndexes[0];
short indexV2 = face.VertexIndexes[1];
short indexV3 = face.VertexIndexes[2];
// Polyface mesh faces are made of 3 or 4 vertexes, we will repeat the third vertex if the number of face vertexes is three
int indexV4 = face.VertexIndexes.Count == 3 ? face.VertexIndexes[2] : face.VertexIndexes[3];
if (indexV1 < 0)
{
edgeVisibility = edgeVisibility | Face3dEdgeFlags.First;
}
if (indexV2 < 0)
{
edgeVisibility = edgeVisibility | Face3dEdgeFlags.Second;
}
if (indexV3 < 0)
{
edgeVisibility = edgeVisibility | Face3dEdgeFlags.Third;
}
if (indexV4 < 0)
{
edgeVisibility = edgeVisibility | Face3dEdgeFlags.Fourth;
}
Vector3 v1 = this.Vertexes[Math.Abs(indexV1) - 1].Location;
Vector3 v2 = this.Vertexes[Math.Abs(indexV2) - 1].Location;
Vector3 v3 = this.Vertexes[Math.Abs(indexV3) - 1].Location;
Vector3 v4 = this.Vertexes[Math.Abs(indexV4) - 1].Location;
Face3d face3d = new Face3d
{
Layer = (Layer)this.Layer.Clone(),
Linetype = (Linetype)this.Linetype.Clone(),
Color = (AciColor)this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency)this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
FirstVertex = v1,
SecondVertex = v2,
ThirdVertex = v3,
FourthVertex = v4,
EdgeFlags = edgeVisibility,
};
entities.Add(face3d);
}
return(entities);
}