public static Polyhedron CreateHexahedron(XYZPoint a, XYZPoint b, XYZPoint q)
{
XYZPoint[] cd = GetVertecesForSquare(a, b, q);
XYZPoint c = cd[0];
XYZPoint d = cd[1];
Vector m = new Vector(a, b);
Vector n = new Vector(a, c);
double sideLen = m.Norm();
Vector h = m[n].Normalize() * sideLen;
XYZPoint a1 = new XYZPoint(a.X + h.X, a.Y + h.Y, a.Z + h.Z);
XYZPoint b1 = new XYZPoint(b.X + h.X, b.Y + h.Y, b.Z + h.Z);
XYZPoint c1 = new XYZPoint(c.X + h.X, c.Y + h.Y, c.Z + h.Z);
XYZPoint d1 = new XYZPoint(d.X + h.X, d.Y + h.Y, d.Z + h.Z);
Polyhedron Hexahedron = new Polyhedron();
Hexahedron.verges = new Verge[6];
Hexahedron.verges[0] = Verge.CreateSquare(a, b, c, d);
Hexahedron.verges[1] = Verge.CreateSquare(a, b, b1, a1);
Hexahedron.verges[2] = Verge.CreateSquare(b, c, c1, b1);
Hexahedron.verges[3] = Verge.CreateSquare(c, d, d1, c1);
Hexahedron.verges[4] = Verge.CreateSquare(a, d, d1, a1);
Hexahedron.verges[5] = Verge.CreateSquare(a1, b1, c1, d1);
double cx = (a.X + c1.X) / 2;
double cy = (a.Y + c1.Y) / 2;
double cz = (a.Z + c1.Z) / 2;
Hexahedron.center = new XYZPoint(cx, cy, cz);
return(Hexahedron);
}
public Polyhedron(Verge[] _verges, XYZPoint _center)
{
verges = new Verge[_verges.Length];
for (int i = 0; i < verges.Length; ++i)
{
verges[i] = _verges[i].Clone() as Verge;
}
center = _center.Clone() as XYZPoint;
}
public Primitive Clone()
{
Verge res = new Verge();
res.edges = new Edge[edges.Length];
for (int i = 0; i < edges.Length; ++i)
{
res.edges[i] = edges[i].Clone() as Edge;
}
res.Color = Color;
return(res);
}
public static Verge CreateSquare(XYZPoint a, XYZPoint b, XYZPoint c, XYZPoint d)
{
Verge Square = new Verge();
Square.edges = new Edge[4];
Square.edges[0] = new Edge(a, b);
Square.edges[1] = new Edge(b, c);
Square.edges[2] = new Edge(c, d);
Square.edges[3] = new Edge(d, a);
return(Square);
}