public Shape Copy()
{
//create a new shape and copy the vertices
Shape shape = new Shape();
foreach (Vertex v in Vertices)
{
Vertex copy = shape.CreateVertex();
copy.Pos = v.Pos;
}
//put new vertices in a quick look up table
Vertex[] newverts = shape.Vertices.ToArray();
//go over each convex
foreach (Mesh c in Convexes)
{
//create a new convex in the new shape
Mesh convexcopy = shape.CreateConvex();
//copy edges
foreach (Edge e in c.Edges)
{
//create the edge and use look up table to build new vertex list
Edge edgecopy = convexcopy.CreateEdge();
edgecopy.Vertices = e.Vertices.Select(a => newverts[a.Idx]).ToArray();
//add this edge to each of the vertices it uses
foreach (Vertex v in edgecopy.Vertices)
{
v.OwnerEdges.Add(edgecopy);
}
}
//build look up table for the edges
Edge[] newedges = convexcopy.Edges.ToArray();
//copy faces
foreach (Face f in c.Faces)
{
//create the face and use look up tables to build new vertex/edge list
Face facecopy = convexcopy.CreateFace();
facecopy.Vertices = f.Vertices.Select(a => newverts[a.Idx]).ToList();
facecopy.Edges = f.Edges.Select(a => newedges[a.Idx]).ToList();
//add this face to each of the vertices it uses
foreach (Vertex v in facecopy.Vertices)
{
v.OwnerFaces.Add(facecopy);
}
//add this face to each of the edges it uses
foreach (Edge e in facecopy.Edges)
{
e.OwnerFaces.Add(facecopy);
}
}
}
return(shape);
}
public Shape Copy()
{
//create a new shape and copy the vertices
Shape shape = new Shape();
foreach (Vertex v in Vertices)
{
Vertex copy = shape.CreateVertex();
copy.Pos = v.Pos;
}
//put new vertices in a quick look up table
Vertex[] newverts = shape.Vertices.ToArray();
//go over each convex
foreach (Mesh c in Convexes)
{
//create a new convex in the new shape
Mesh convexcopy = shape.CreateConvex();
//copy edges
foreach (Edge e in c.Edges)
{
//create the edge and use look up table to build new vertex list
Edge edgecopy = convexcopy.CreateEdge();
edgecopy.Vertices = e.Vertices.Select(a => newverts[a.Idx]).ToArray();
//add this edge to each of the vertices it uses
foreach (Vertex v in edgecopy.Vertices)
v.OwnerEdges.Add(edgecopy);
}
//build look up table for the edges
Edge[] newedges = convexcopy.Edges.ToArray();
//copy faces
foreach (Face f in c.Faces)
{
//create the face and use look up tables to build new vertex/edge list
Face facecopy = convexcopy.CreateFace();
facecopy.Vertices = f.Vertices.Select(a => newverts[a.Idx]).ToList();
facecopy.Edges = f.Edges.Select(a => newedges[a.Idx]).ToList();
//add this face to each of the vertices it uses
foreach (Vertex v in facecopy.Vertices)
v.OwnerFaces.Add(facecopy);
//add this face to each of the edges it uses
foreach (Edge e in facecopy.Edges)
e.OwnerFaces.Add(facecopy);
}
}
return shape;
}
//public Point3D Centre { get { return MathUtils.Centre(Vertices.Select(a => a.Pos)); } }
//public Point3D Min { get { return MathUtils.Min(Vertices.Select(a => a.Pos)); } }
//public Point3D Max { get { return MathUtils.Max(Vertices.Select(a => a.Pos)); } }
public Vertex CreateVertex()
{
Vertex v = Shape.CreateVertex();
return(v);
}
