public UnitVector3(Rotation2 phi, double z)
{
var xy = Math.Sqrt(1 - z * z);
if (double.IsNaN(xy))
{
if (z > 0)
{
_vector = new Vector3(0, 0, 1);
}
else
{
_vector = new Vector3(0, 0, -1);
}
}
else
{
_vector = new Vector3(xy * phi.Cos, xy * phi.Sin, z);
}
}
public static IOpenPolyline ApplyInv(this Rotation2 @this, IOpenPolyline line)
{
return(new OpenPolyline(line.Vertices.Select(v => @this.ApplyInv(v))));
}
public static IPolygon ApplyInv(this Rotation2 @this, IPolygon polygon)
{
return(new Polygon(polygon.Contours.Select(c => @this.ApplyInv(c))));
}
public static IClosedPolyline Apply(this Rotation2 @this, IClosedPolyline line)
{
return(new ClosedPolyline(line.Vertices.Select(v => @this.Apply(v))));
}
