public PointSet method_2(Ellipse ellipse)
{
if (this.Length < 4.94065645841247E-324)
{
if (ellipse.ContainsOnCircumference(this.StartPoint))
{
return(new PointSet
{
this.startPoint,
this.endPoint
});
}
if (ellipse.GetPlane().Contains(this.StartPoint))
{
return(new PointSet());
}
return(null);
}
else
{
PointSet pointSet = this.ToLine().method_2(ellipse);
if (pointSet == null)
{
return(null);
}
switch (pointSet.Count)
{
case 0:
return(pointSet);
case 1:
if (!this.CollinearContains(pointSet[0]))
{
pointSet.RemoveAt(0);
}
return(pointSet);
case 2:
if (!this.CollinearContains(pointSet[1]))
{
pointSet.RemoveAt(1);
}
if (!this.CollinearContains(pointSet[0]))
{
pointSet.RemoveAt(0);
}
return(pointSet);
default:
return(null);
}
}
}
public PointSet method_0(Triangle triangle)
{
if (this.Length < 4.94065645841247E-324)
{
if (triangle.ContainsOnCircumference(this.StartPoint))
{
return(new PointSet
{
this.startPoint,
this.endPoint
});
}
if (triangle.GetPlane().Contains(this.StartPoint))
{
return(new PointSet());
}
return(null);
}
else
{
PointSet pointSet = this.ToLine().method_0(triangle);
if (pointSet == null)
{
return(null);
}
for (int i = pointSet.Count - 1; i >= 0; i--)
{
if (!this.CollinearContains(pointSet[i]))
{
pointSet.RemoveAt(i);
}
}
return(pointSet);
}
}
