public static CubicBezier2D[] Split1(double aX, double aY, double bX, double bY, double cX, double cY, double dX, double dY, params double[] ts)
{
if (ts is null)
{
return(new[] { new CubicBezier2D(aX, aY, bX, bY, cX, cY, dX, dY) });
}
var filtered = ts.Where(t => t >= 0d && t <= 1d).Distinct().OrderBy(t => t).ToList();
var prev = new CubicBezier2D(aX, aY, bX, bY, cX, cY, dX, dY);
if (filtered.Count == 0)
{
return(new[] { prev });
}
var tLast = 0d;
var list = new List <CubicBezier2D>(filtered.Count + 1);
foreach (var t in filtered)
{
var relT = (1d - t) / (1d - tLast);
tLast = t;
var(A, B) = BisectCubicBezierTests.BisectCubicBezier(prev.A.X, prev.A.Y, prev.B.X, prev.B.Y, prev.C.X, prev.C.Y, prev.D.X, prev.D.Y, relT);
list.Add(A);
prev = B;
}
list.Add(prev);
return(list.ToArray());
}
/// <summary>
/// The interpolate points.
/// </summary>
/// <param name="bezier">The bezier.</param>
/// <param name="count">The count.</param>
/// <returns>The <see cref="List{Point2D}"/>.</returns>
public static List <Point2D> InterpolatePoints(CubicBezier2D bezier, int count)
{
var ipoints = new Point2D[count + 1];
for (var i = 0; i <= count; i += 1)
{
var v = 1d / count * i;
ipoints[i] = bezier.Interpolate(v);
}
return(new List <Point2D>(ipoints));
}
/// <summary>
/// The interpolate cubic beizer points.
/// </summary>
/// <param name="bezier">The bezier.</param>
/// <param name="count">The count.</param>
/// <returns>The <see cref="List{Point2D}"/>.</returns>
public static List <Point2D> InterpolateCubicBeizerPoints(CubicBezier2D bezier, int count)
=> InterpolateCubicBeizerPoints(bezier.A, bezier.B, bezier.C, bezier.D, count);