/// <summary>
/// Delegate function used to turn custom grips on
/// </summary>
public void TurnOnGrips(RhinoObject rhObject)
{
if (rhObject == null)
{
return;
}
var polyline_curve = rhObject.Geometry as PolylineCurve;
if (polyline_curve == null)
{
return;
}
if (!SampleCsRectangleHelper.IsRectangle(polyline_curve))
{
return;
}
var rectangle_grips = new SampleCsRectangleGrips();
if (!rectangle_grips.CreateGrips(polyline_curve))
{
return;
}
rhObject.EnableCustomGrips(rectangle_grips);
}
/// <summary>
/// Creates grips
/// </summary>
public bool CreateGrips(PolylineCurve polylineCurve)
{
if (!SampleCsRectangleHelper.IsRectangle(polylineCurve))
{
return(false);
}
if (GripCount > 0)
{
return(false);
}
Plane plane;
if (!polylineCurve.TryGetPlane(out plane))
{
return(false);
}
m_plane = plane;
m_active_rectangle = new Point3d[5];
for (var i = 0; i < polylineCurve.PointCount; i++)
{
m_active_rectangle[i] = polylineCurve.Point(i);
}
m_original_rectangle = new Point3d[5];
Array.Copy(m_active_rectangle, m_original_rectangle, 5);
var line = new Line();
for (var i = 0; i < 4; i++)
{
var gi = 2 * i;
line.From = m_active_rectangle[i];
line.To = m_active_rectangle[i + 1];
m_sample_cs_rectangle_grips[gi].OriginalLocation = line.From;
m_sample_cs_rectangle_grips[gi + 1].OriginalLocation = 0.5 * line.From + 0.5 * line.To;
m_sample_cs_rectangle_grips[gi].Active = true;
m_sample_cs_rectangle_grips[gi + 1].Active = true;
}
for (var i = 0; i < 8; i++)
{
AddGrip(m_sample_cs_rectangle_grips[i]);
}
return(true);
}
/// <summary>
/// Override to provide fancy object filtering
/// </summary>
public override bool CustomGeometryFilter(RhinoObject rhObject, GeometryBase geometry, ComponentIndex componentIndex)
{
return(SampleCsRectangleHelper.IsRectangle(geometry));
}
