private Sliced_path gen_pocket_toolpath(ShapeListItem shape, Point2F startpoint, Vector2F start_tangent)
{
Polyline outline;
Polyline[] islands;
if (shape.Shape is Polyline)
{
outline = (Polyline)shape.Shape;
islands = new Polyline[] { };
}
else if (shape.Shape is CamBam.CAD.Region)
{
CamBam.CAD.Region reg = (CamBam.CAD.Region)shape.Shape;
outline = reg.OuterCurve;
islands = reg.HoleCurves;
}
else
{
return(null);
}
Pocket_generator gen = new Pocket_generator(outline, islands);
gen.General_tolerance = is_inch_units() ? 0.001 / 25.4 : 0.001;
gen.Tool_d = base.ToolDiameter.Cached;
gen.Max_ted = base.ToolDiameter.Cached * _stepover.Cached;
gen.Min_ted = base.ToolDiameter.Cached * _stepover.Cached * _min_stepover_percentage;
if (startpoint.IsUndefined)
{
startpoint = (Point2F)outline.FirstPoint;
}
gen.Startpoint = startpoint;
gen.Startpoint_is_a_hint = true;
gen.Margin = 0;
gen.Spiral_tangent = start_tangent;
if (_milling_direction.Cached == MillingDirectionOptions.Mixed || base.SpindleDirection.Cached == SpindleDirectionOptions.Off)
{
gen.Mill_direction = RotationDirection.Unknown; // means 'mixed' here
gen.Should_smooth_chords = false;
}
else
{
int dir = (int)(base.SpindleDirection.Cached);
if (_milling_direction.Cached == MillingDirectionOptions.Climb)
{
dir = -dir;
}
gen.Mill_direction = (RotationDirection)dir;
gen.Should_smooth_chords = _should_smooth_chords;
}
return(gen.run());
}
private List <Sliced_path> gen_profile(CamBam.CAD.Region region, bool is_inside, Point2F startpoint)
{
List <Sliced_path> trajectories = new List <Sliced_path>();
trajectories.AddRange(gen_profile(region.OuterCurve, is_inside, startpoint));
foreach (Polyline hole in region.HoleCurves)
{
if (trajectories.Count != 0)
{
startpoint = lastpt(trajectories);
}
trajectories.AddRange(gen_profile(hole, !is_inside, startpoint));
}
return(trajectories);
}