private void CalculateCurvature()
{
Curvature = 0;
if (ControlPoints.Length == 2)
{
TargetPoint = GetTValuePointForLinear();
}
else if (ControlPoints.Length == 3)
{
IWhiskerPoint cWhiskerPoint0 = Whisker.WhiskerPoints[0];
IWhiskerPoint cWhiskerPoint1 = Whisker.WhiskerPoints[1];
IWhiskerPoint cWhiskerPoint2 = Whisker.WhiskerPoints[2];
Point[] points = new Point[3];
points[0] = new Point(cWhiskerPoint0.XRatio * VideoWidth, cWhiskerPoint0.YRatio * VideoHeight);
points[1] = new Point(cWhiskerPoint1.XRatio * VideoWidth, cWhiskerPoint1.YRatio * VideoHeight);
points[2] = new Point(cWhiskerPoint2.XRatio * VideoWidth, cWhiskerPoint2.YRatio * VideoHeight);
Curvature = DrawingUtility.GetQuadraticBezierCurvature(points, TValue);
TargetPoint = GetTValuePointForQuadratic();
}
else
{
IWhiskerPoint cWhiskerPoint0 = Whisker.WhiskerPoints[0];
IWhiskerPoint cWhiskerPoint1 = Whisker.WhiskerPoints[1];
IWhiskerPoint cWhiskerPoint2 = Whisker.WhiskerPoints[2];
IWhiskerPoint cWhiskerPoint3 = Whisker.WhiskerPoints[3];
Point[] points = new Point[4];
points[0] = new Point(cWhiskerPoint0.XRatio * VideoWidth, cWhiskerPoint0.YRatio * VideoHeight);
points[1] = new Point(cWhiskerPoint1.XRatio * VideoWidth, cWhiskerPoint1.YRatio * VideoHeight);
points[2] = new Point(cWhiskerPoint2.XRatio * VideoWidth, cWhiskerPoint2.YRatio * VideoHeight);
points[3] = new Point(cWhiskerPoint3.XRatio * VideoWidth, cWhiskerPoint3.YRatio * VideoHeight);
Curvature = DrawingUtility.GetCubicBezierCurvature(points, TValue);
TargetPoint = GetTValuePointForCubic();
}
}