public Edge method_5(Circle circle)
{
Line line = this.method_2(circle.GetPlane());
if (line == null)
{
return(null);
}
Edge edge = circle.Center.PerpendicularOn(line);
double num = circle.Radius * circle.Radius;
double num2 = edge.StartPoint.method_3(edge.EndPoint);
double num3 = num - num2;
if (Global.AlmostEquals(num, num2))
{
num3 = 0.0;
}
if (num3 < 0.0)
{
return(null);
}
line.DirectionVector.Norm = Math.Sqrt(num3);
Point startPoint = edge.EndPoint + line.DirectionVector.ToPoint();
Point endPoint = edge.EndPoint - line.DirectionVector.ToPoint();
return(new Edge(startPoint, endPoint));
}
public Edge method_8(Circle circle)
{
Edge edge = this.GetPlane().method_5(circle);
Edge edge2 = circle.GetPlane().method_5(this);
if (edge == null | edge2 == null)
{
return(null);
}
return(edge.CollinearOverlap(edge2));
}
public PointSet method_1(Circle circle)
{
if (this.Length < 4.94065645841247E-324)
{
if (circle.ContainsOnCircumference(this.StartPoint))
{
return(new PointSet
{
this.startPoint,
this.endPoint
});
}
if (circle.GetPlane().Contains(this.StartPoint))
{
return(new PointSet());
}
return(null);
}
else
{
PointSet pointSet = this.ToLine().method_1(circle);
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 Point method_7(Circle circle)
{
Point point = this.getInterSecttion(circle.GetPlane());
if (point == null)
{
return(null);
}
if (circle.method_10(point))
{
return(point);
}
return(null);
}
public bool IsCoplanarTo(Circle circle)
{
return(this.GetPlane() == circle.GetPlane());
}
