/// <summary>
/// 如果外环是个圆,获取和外环同圆心的内环圆
/// </summary>
/// <param name="face"></param>
/// <returns></returns>
public static bool TryGetInnerLoop(this IFace2 face, out ILoop2 innerLoop)
{
var outloop = face.GetOuterLoop();
innerLoop = outloop;
if (outloop.TryGetOneCircleEdge(out IEdge edge))
{
var circlePoint = edge.GetCirlceParams().Item1;
innerLoop = face.GetLoopsWithoutOuterLoop().Where(l =>
l.TryGetOneCircleEdge(out IEdge Inneredge) ? (IsSameVector3(Inneredge.GetCirlceParams().Item1, circlePoint) ? true : false): false
).FirstOrDefault();
return(innerLoop != null ? true : false);
}
return(false);
}
