public override bool WorldDraw(Drawable d, WorldDraw wd)
{
double radius = 0.0;
if (d is DBObject)
{
radius = PipeRadiusForObject((DBObject)d);
}
if (radius > 0.0)
{
Circle circle = d as Circle;
if (circle != null)
{
// Draw the circle as is, with overruled attributes
base.WorldDraw(circle, wd);
// Needed to avoid ill-formed swept surface
if (circle.Radius > radius)
{
// Draw a pipe around the cirle
EntityColor c = wd.SubEntityTraits.TrueColor;
wd.SubEntityTraits.TrueColor =
new EntityColor(0x3fffe0e0);
wd.SubEntityTraits.LineWeight =
LineWeight.LineWeight000;
Vector3d normal =
(circle.Center - circle.StartPoint).
CrossProduct(circle.Normal);
Circle clr =
new Circle(
circle.StartPoint, normal, radius
);
SweptSurface pipe = new SweptSurface();
pipe.CreateSweptSurface(clr, circle, sweepOpts);
clr.Dispose();
pipe.WorldDraw(wd);
pipe.Dispose();
wd.SubEntityTraits.TrueColor = c;
}
return(true);
}
}
return(base.WorldDraw(d, wd));
}
public override void Explode(Entity e, DBObjectCollection objs)
{
double radius = 0.0;
if (e is DBObject)
{
radius = PipeDrawOverrule.PipeRadiusForObject(e);
}
if (radius > 0.0)
{
Circle circle = e as Circle;
if (circle != null)
{
// Needed to avoid ill-formed swept surface
if (circle.Radius > radius)
{
// Draw a pipe around the cirle
Vector3d normal =
(circle.Center - circle.StartPoint).
CrossProduct(circle.Normal);
Circle clr =
new Circle(
circle.StartPoint, normal, radius
);
SweptSurface pipe = new SweptSurface();
pipe.CreateSweptSurface(clr, circle, sweepOpts);
clr.Dispose();
objs.Add(pipe);
}
return;
}
}
base.Explode(e, objs);
}