static public bool IsHorizontal(Edge e)
{
XYZ p = e.Evaluate(0);
XYZ q = e.Evaluate(1);
return(IsHorizontal(q - p));
}
/// <summary>
/// Find the first intersection with a face
/// </summary>
/// <param name="references"></param>
/// <returns></returns>
private static ReferenceWithContext FindClosestReference(IEnumerable <ReferenceWithContext> references)
{
ReferenceWithContext rClosest = null;
var face_prox = Double.PositiveInfinity;
var edge_prox = Double.PositiveInfinity;
foreach (ReferenceWithContext r in references)
{
var reference = r.GetReference();
var referenceElement = DocumentManager.Instance.CurrentDBDocument.GetElement(reference);
var referenceGeometryObject = referenceElement.GetGeometryObjectFromReference(reference);
Face currFace = null;
currFace = referenceGeometryObject as Autodesk.Revit.DB.Face;
Autodesk.Revit.DB.Edge edge = null;
edge = referenceGeometryObject as Autodesk.Revit.DB.Edge;
if (currFace != null)
{
if ((r.Proximity < face_prox) && (r.Proximity > Double.Epsilon))
{
rClosest = r;
face_prox = Math.Abs(r.Proximity);
}
}
else if (edge != null)
{
if ((r.Proximity < edge_prox) && (r.Proximity > Double.Epsilon))
{
edge_prox = Math.Abs(r.Proximity);
}
}
}
if (edge_prox <= face_prox)
{
// stop bouncing if there is an edge at least as close as the nearest face - there is no single angle of reflection for a ray striking a line
//m_outputInfo.Add("there is an edge at least as close as the nearest face - there is no single angle of reflection for a ray striking a line");
rClosest = null;
}
return(rClosest);
}
private static Autodesk.DesignScript.Geometry.Curve InternalConvert(Autodesk.Revit.DB.Edge geom)
{
return((Autodesk.DesignScript.Geometry.Curve)geom.AsCurve().Convert());
}
