/// <summary>
/// Determines whether two objects are equal.
/// </summary>
public override bool Equals(object obj)
{
if (obj == null || (!object.ReferenceEquals(this.GetType(), obj.GetType())))
{
return(false);
}
Circle3d c = (Circle3d)obj;
if (GeometRi3D.UseAbsoluteTolerance)
{
return(c.Center == this.Center && Abs(c.R - this.R) <= GeometRi3D.Tolerance && c.Normal.IsParallelTo(this.Normal));
}
else
{
return(Abs(c.Center.DistanceTo(this.Center)) / this.R <= GeometRi3D.Tolerance &&
Abs(c.R - this.R) / this.R <= GeometRi3D.Tolerance &&
c.Normal.IsParallelTo(this.Normal));
}
}
/// <summary>
/// Intersection of circle with plane.
/// Returns 'null' (no intersection) or object of type 'Circle3d', 'Point3d' or 'Segment3d'.
/// </summary>
public object IntersectionWith(Circle3d c)
{
return(c.IntersectionWith(this));
}