}// CreateCuboid
public static Prism CreateCylinder(int nslices)
{
Polygon3D bot = Polygon3D.CreateCircle(nslices, -1);
Polygon3D top = Polygon3D.CreateCircle(nslices, 1);
return(new Prism(top, bot));
}// CreateCylinder
public Prism(Polygon3D top, Polygon3D bot)
{
_points3d = new Vector3d[top.points3d.Length + bot.points3d.Length];
int i = 0;
foreach (Vector3d v in top.points3d)
{
_points3d[i++] = new Vector3d(v);
}
foreach (Vector3d v in bot.points3d)
{
_points3d[i++] = new Vector3d(v);
}
initInfo();
}
}// createPlanes
public static Prism CreateCuboid(Vector3d center, Vector3d scale)
{
Vector3d off = scale;
Vector3d[] top = new Vector3d[4] {
new Vector3d(center + new Vector3d(-off.x, -off.y, off.z)),
new Vector3d(center + new Vector3d(off.x, -off.y, off.z)),
new Vector3d(center + new Vector3d(off.x, off.y, off.z)),
new Vector3d(center + new Vector3d(-off.x, off.y, off.z))
};
Vector3d[] bot = new Vector3d[4] {
new Vector3d(center - off),
new Vector3d(center + new Vector3d(off.x, -off.y, -off.z)),
new Vector3d(center + new Vector3d(off.x, off.y, -off.z)),
new Vector3d(center + new Vector3d(-off.x, off.y, -off.z))
};
Polygon3D p1 = new Polygon3D(top);
Polygon3D p2 = new Polygon3D(bot);
return(new Prism(p1, p2));
}// CreateCuboid
public Object clone()
{
Polygon3D cloned = new Polygon3D(this.points3d);
return(cloned);
}