public BezierSubdivision Next() // Next index at current level
{
var next = new BezierSubdivision(new List <Vector2>(Points), Level, Index + 1);
next.ScaleLeft(2);
next.Reverse();
return(next);
}
public BezierSubdivision Parent() // Parent subdivision (inverse of BezierSubdivide)
{
var parent = new BezierSubdivision(new List <Vector2>(Points), Level - 1, Index >> 1);
if ((Index & 1) == 0)
{
parent.ScaleRight(2);
}
else
{
parent.ScaleLeft(-1);
}
return(parent);
}