/// <summary>
/// Helper to do a geodesic pan.
/// </summary>
private void GeodesicPan(Vector3D p1, Vector3D p2)
{
Mobius pan = new Mobius();
Isometry inverse = m_isometry.Inverse();
p1 = inverse.Apply(p1);
p2 = inverse.Apply(p2);
pan.Geodesic(m_geometry, p1, p2);
m_isometry.Mobius *= pan;
}
public Mobius MobiusForTwist(Geometry g, SingleTwist twist, double rotation, bool earthquake, bool earthquakeData = false)
{
Mobius mobius = new Mobius();
if (earthquake)
{
int seg = earthquakeData ?
(twist.SliceMaskEarthquake * 2 + 3) % 6 :
(twist.SliceMask * 2 + 3) % 6;
Vector3D p1 = this.Pants.Hexagon.Segments[seg].P2;
Vector3D p2 = Pants.Hexagon.Segments[seg].P1;
if (Pants.Isometry.Reflected)
{
R3.Core.Utils.SwapPoints(ref p1, ref p2);
}
System.Diagnostics.Debug.Assert(!Reverse);
mobius.Geodesic(Geometry.Hyperbolic, p1, p2, rotation);
}
else
{
mobius.Elliptic(g, Center, Reverse ? rotation * -1 : rotation);
}
return(mobius);
}
