private void CalculateBezier()
{
Bezier.Clear();
Tangents.Clear();
GC.Collect();
List <Point> points = new List <Point>();
for (double i = 0d; i < 5000; i++)
{
double t = i / 5000d;
double X = 0;
double Y = 0;
for (int c = 0; c < PointCount; c++)
{
X += Algorithms.Binom(PointCount - 1, c) * Math.Pow(1d - t, PointCount - 1 - c) * Math.Pow(t, c) * (double)ControlPoints[c].X;
Y += Algorithms.Binom(PointCount - 1, c) * Math.Pow(1d - t, PointCount - 1 - c) * Math.Pow(t, c) * (double)ControlPoints[c].Y;
}
if (points.Count == 0 || points[points.Count - 1].X != (int)X || points[points.Count - 1].Y != (int)Y)
{
points.Add(new Point((int)X, (int)Y));
X = 0;
Y = 0;
for (int c = 0; c < PointCount - 1; c++)
{
X += Algorithms.Binom(PointCount - 2, c) * Math.Pow(1d - t, PointCount - 2 - c) * Math.Pow(t, c) * (double)(ControlPoints[c + 1].X - ControlPoints[c].X) * (PointCount - 1);
Y += Algorithms.Binom(PointCount - 2, c) * Math.Pow(1d - t, PointCount - 2 - c) * Math.Pow(t, c) * (double)(ControlPoints[c + 1].Y - ControlPoints[c].Y) * (PointCount - 1);
}
Tangents.Add(new Vector2((float)X, (float)Y));
}
}
Bezier = points.ToList();
currentPoint = Math.Min(Bezier.Count - 1, currentPoint);
}
public void ClearSegment()
{
if (UseBezier)
{
mBezier.Clear();
}
else
{
mSegment.Clear();
}
}