public void OnPointDragged(MovePointBehaviour.PointMoveEventArgs e)
{
var oldPoint = e.OldPoint;
var newPoint = e.NewPoint;
var index = Curve.IndexOf(e.OldPoint);
var newCurve = Curve.Points.GetRange(0, Curve.Points.Count);
newCurve[index] = newPoint;
var firstPoint = newCurve[0];
var lastPoint = newCurve[newCurve.Count - 1];
var biggestValueForY = double.MinValue;
if(ValidateCurve)
for (double x = firstPoint.X + 0.01; x < lastPoint.X - 0.01; x++)
{
var y = CurveMath.SolveCubicSpline(newCurve, x);
if (y < biggestValueForY || newPoint.X >= lastPoint.X || newPoint.X <= firstPoint.X)
{
newPoint = oldPoint;
break;
}
if (y > biggestValueForY)
biggestValueForY = y;
}
e.NewPoint = newPoint;
Curve.Points[index] = e.NewPoint;
Points = CalculateNewPoints();
UpdateSelectedPoint();
}
public void OnPointSelected(MovePointBehaviour.PointSelectedEventArgs e)
{
var index = Curve.IndexOf(e.Point);
selectedPointIndex = index;
UpdateSelectedPoint();
CanSetDefault = selectedPointIndex == Curve.Points.Count - 1;
NotifyOfPropertyChange(() => HasSelectedPoint);
}
public void OnPointDragged(MovePointBehaviour.PointMoveEventArgs e)
{
var oldPoint = e.OldPoint;
var newPoint = e.NewPoint;
var index = Curve.IndexOf(e.OldPoint);
var prevPoint = Curve.Points[index - 1];
var biggestValueForY = double.MinValue;
var newCurve = Curve.Points.GetRange(0, Curve.Points.Count);
newCurve[index] = newPoint;
var lastPoint = newCurve[newCurve.Count - 1];
for (double x = 0; x < lastPoint.X; x++)
{
var y = CurveMath.SolveCubicSpline(newCurve, x);
if (biggestValueForY > y)
{
newPoint = oldPoint;
break;
}
if (y > biggestValueForY)
biggestValueForY = y;
}
e.NewPoint = newPoint;
Curve.Points[index] = e.NewPoint;
Points = CalculateNewPoints();
}
public void OnPointSelected(MovePointBehaviour.PointSelectedEventArgs e)
{
var index = Curve.IndexOf(e.Point);
if(index != selectedPointIndex)
SetDefault = false;
selectedPointIndex = index;
CanSetDefault = selectedPointIndex == Curve.Points.Count - 1;
NotifyOfPropertyChange(() => HasSelectedPoint);
NotifyOfPropertyChange(() => SelectedPointX);
NotifyOfPropertyChange(() => SelectedPointY);
}
private void OnPointSelected(object sender, MovePointBehaviour.PointSelectedEventArgs e)
{
(DataContext as CurveViewModel).OnPointSelected(e);
}