// 切り口に近づく向きに曲線の点をついかする
static List <List <PointF> > GetSortedCurves(List <PointF> path, Tuple <CharacterRange, CharacterRange> ranges, PatchSkeletonBone baseBone)
{
List <List <PointF> > curves = new List <List <PointF> >();
foreach (var range in new[] { ranges.Item1, ranges.Item2 })
{
var ls = new List <PointF>();
for (int i = range.First; i < range.First + range.Length; i++)
{
ls.Add(path[FMath.Rem(i, path.Count)]);
}
curves.Add(ls);
}
// 向きを揃える
curves[1].Reverse();
// ボーンに対する位置関係を揃える
PointF pt = path[FMath.Rem(ranges.Item2.First, path.Count)];
if (FMath.GetSide(pt, baseBone.src.position, baseBone.dst.position) < 0)
{
var ls = curves[0];
curves[0] = curves[1];
curves[1] = ls;
}
return(curves);
}