/// <summary>
/// This circle entirely contains circle B, or B entirely contains this circle, or they exactly overlap.
/// </summary>
public bool ContainsOrIsContained(Circle b)
{
if (this.Radius > b.Radius)
{
return(this.Contains(b));
}
return(b.Contains(this));
}
/// <summary>
/// Any part of this wedge overlaps any part of circle B.
/// </summary>
public bool Overlaps(Circle b)
{
Wedge a = this;
Point[] intersections = a.Circle.GetIntersectionPoints(b);
if (intersections == null)
{
if (!a.Circle.ContainsOrIsContained(b))
{
return(false);
}
}
//line edge overlaps circle
foreach (LineSegment lineA in this.LineEdges)
{
if (b.Overlaps(lineA))
{
return(true);
}
}
//arc overlaps circle
if (a.ArcOverlapsArc(new Wedge(b, 0, Circle.DEGREES_IN_CIRCLE)))
{
return(true);
}
//wedge entirely contains circle or circle entirely contains wedge
if (a.Contains(b))
{
return(true);
}
if (b.Contains(a))
{
return(true);
}
return(false);
}
