protected override void OnExecute(Command command, ExecutionContext context, System.Drawing.Rectangle buttonRect)
{
if (ScenePart == null)
{
return;
}
double stepSize = Values[Resources.TessellateLoftStepSize].Value / ActiveWindow.Units.Length.ConversionFactor;
ITrimmedCurve[] curves = Window.ActiveWindow.GetAllSelectedITrimmedCurves().ToArray();
if (curves.Length != 2)
{
Debug.Fail("Need exactly two curves");
}
ITrimmedCurve curve0 = curves[0], curve1 = curves[1];
//List<Point> points0 = curve0.Shape.GetPolyline() as List<Point>;
//List<Point> points1 = curve1.Shape.GetPolyline() as List<Point>;
//Debug.Assert (points0 != null && points1 != null);
//if ((points1[0] - points0[0]).Magnitude > (points1[points1.Count - 1] - points0[0]).Magnitude)
// points1.Reverse();
if ((curve1.StartPoint - curve0.StartPoint).Magnitude > (curve1.EndPoint - curve0.StartPoint).Magnitude)
{
curve1 = CurveSegment.Create(curve1.GetGeometry <Curve>(), Interval.Create(curve1.Bounds.End, curve1.Bounds.Start));
}
List <Point> points0 = curve0.TessellateCurve(stepSize) as List <Point>;
List <Point> points1 = curve1.TessellateCurve(stepSize) as List <Point>;
if ((points1[0] - points0[0]).Magnitude > (points1[points1.Count - 1] - points0[0]).Magnitude)
{
points1.Reverse();
}
//int steps = Math.Min(points0.Count, points1.Count);
//for (int i = 0; i < steps; i++) {
// AddInHelper.CreateLines(new List<Point> { points0[i], points1[i] }, part);
int basePoint0 = points0.Count - 1;
int basePoint1 = points1.Count - 1;
List <Body> bodies = new List <Body>();
while (basePoint0 > 0 || basePoint1 > 0)
{
double base0Diagonal = double.MaxValue;
double base1Diagonal = double.MaxValue;
if (basePoint1 > 0)
{
base0Diagonal = (points1[basePoint1 - 1] - points0[basePoint0]).Magnitude;
}
if (basePoint0 > 0)
{
base1Diagonal = (points0[basePoint0 - 1] - points1[basePoint1]).Magnitude;
}
List <Point> facetPoints = new List <Point>();
facetPoints.Add(points0[basePoint0]);
facetPoints.Add(points1[basePoint1]);
if (base0Diagonal < base1Diagonal)
{
facetPoints.Add(points1[--basePoint1]);
}
else
{
facetPoints.Add(points0[--basePoint0]);
}
Plane plane = null;
if (AddInHelper.TryCreatePlaneFromPoints(facetPoints, out plane))
{
bodies.Add(ShapeHelper.CreatePolygon(facetPoints, plane, 0));
}
}
bodies = bodies.TryUnionBodies().ToList();
Debug.Assert(bodies.Count == 1);
DesignBody.Create(ScenePart, Resources.TessellateLoftBodyName, bodies[0]);
}