Elliptic() public method

public Elliptic ( Geometry g, System.Numerics.Complex fixedPlus, double angle ) : void
g Geometry
fixedPlus System.Numerics.Complex
angle double
return void
Mobius Class Documentation
Exemplo n.º 1
0
        // Rotates a dodec about a vertex or edge to get a dual dodec.
        private static Dodec GetDual( Dodec dodec, Vector3D rotationPoint )
        {
            //double rot = System.Math.PI / 2;	// Edge-centered
            double rot = 4 * ( - Math.Atan( ( 2 + Math.Sqrt( 5 ) - 2 * Math.Sqrt( 3 + Math.Sqrt( 5 ) ) ) / Math.Sqrt( 3 ) ) );	// Vertex-centered

            Mobius m = new Mobius();
            if( Infinity.IsInfinite( rotationPoint ) )
                m.Elliptic( Geometry.Spherical, new Vector3D(), -rot );
            else
                m.Elliptic( Geometry.Spherical, rotationPoint, rot );

            Dodec dual = new Dodec();
            foreach( Vector3D v in dodec.Verts )
            {
                Vector3D rotated = m.ApplyInfiniteSafe( v );
                dual.Verts.Add( rotated );
            }

            foreach( Vector3D v in dodec.Midpoints )
            {
                Vector3D rotated = m.ApplyInfiniteSafe( v );
                dual.Midpoints.Add( rotated );
            }

            return dual;
        }