protected override void OnExecute(Command command, ExecutionContext context, System.Drawing.Rectangle buttonRect)
{
base.OnExecute(command, context, buttonRect);
List <ITrimmedCurve> trimmedCurves = new List <ITrimmedCurve>();
foreach (ITrimmedCurve trimmedCurve in activeWindow.GetAllSelectedITrimmedCurves())
{
trimmedCurves.Add(trimmedCurve);
}
TrimmedCurveChain curveChain = new TrimmedCurveChain(trimmedCurves);
double length = curveChain.Length;
int count = (int)Math.Floor(length / dashMinSize / 2) * 2;
if (curveChain.StartPoint != curveChain.EndPoint) // odd number when not closed curve
{
count++;
}
List <DesignCurve> dashes = new List <DesignCurve>();
double lastParam = curveChain.Bounds.Start;
Point lastPoint;
Debug.Assert(curveChain.TryGetPointAlongCurve(lastParam, out lastPoint));
for (int i = 0; i < count; i++)
{
Point point;
if (curveChain.TryGetPointAlongCurve(lastParam -= length / count, out point))
{
if (i % 2 == 1)
{
DesignCurve dash = DesignCurve.Create(part, CurveSegment.Create(lastPoint, point));
dash.Layer = dashLayer;
dashes.Add(dash);
}
#if false // tori
ShapeHelper.CreateTorus(
new Point[] { point, lastPoint }.Average(),
(point - lastPoint).Direction,
0.188 * inches,
0.75 * inches,
part
);
#endif
lastPoint = point;
}
}
#if false // cylinders
for (int i = 1; i < count; i++)
{
CurveEvaluation eval = dashes[i].Shape.Geometry.Evaluate(dashes[i].Shape.Bounds.Start);
Direction dir1 = eval.Tangent;
eval = dashes[i - 1].Shape.Geometry.Evaluate(dashes[i - 1].Shape.Bounds.End);
Direction dir2 = eval.Tangent;
if (dir1 == dir2)
{
DatumPlane.Create(part, "miter parallel", Plane.Create(Frame.Create(eval.Point, eval.Tangent.ArbitraryPerpendicular, Direction.Cross(eval.Tangent.ArbitraryPerpendicular, eval.Tangent))));
continue;
}
Direction averageDir = (dir1.UnitVector + dir2.UnitVector).Direction;
Direction xDir = Direction.Cross(averageDir, dir1);
// DatumPlane.Create(part, "miter", Plane.Create(Frame.Create(eval.Point, xDir, Direction.Cross(xDir, averageDir))));
double offset = 0.0001 / 2;
ShapeHelper.CreateCylinder(eval.Point + averageDir * offset, eval.Point - averageDir * offset, 7 * inches, part);
}
#endif
}