public void sodoff(object sender, MouseEventArgs e)
{
GraphView_StateManager manager = ProjectStateManager.Instance.StateManagers.OfType <GraphView_StateManager>().First();
CurveGraphViewModel vm = ((CurveGraphViewModel)manager.ViewModel);
if (vm == null)
{
return;
}
Point pos = e.GetPosition(sender as Canvas);
pos.X -= vm.Camera.GetTransform(0, 0);
pos.Y -= vm.Camera.GetTransform(0, 1);
double value = 0;
for (int x = 0; x < vm.ModelItems.Item.Curve.Count; x++)
{
var curve = vm.ModelItems.Item.Curve[x].Points;
for (int i = 0; i < curve.Count; i++)
{
if (i != 0 && pos.X < curve[i].X)
{
Point point1 = curve[i - 1];
Point point2 = curve[i];
value = LerpMath.Lerp(point1, point2, pos.X / point2.X).Y;
break;
}
}
}
double[] camCoords = new double[] {
vm.Camera.GetTransform(0, 0),
vm.Camera.GetTransform(0, 1)
};
double scale = vm.Camera.GetScale;
xLabel.Content = String.Format("Mouse: {0:N2} {1:N2} | Camera: {2:N2} {3:N2} | Scale: {4:N2} | Curve value: {5:N2}",
(e.GetPosition(_View.GraphView).X - camCoords[0]) * scale,
(e.GetPosition(_View.GraphView).Y - camCoords[1]) * scale,
camCoords[0],
camCoords[1],
scale,
value
);
}
public static List <Point> Draw(BezierCurve curve, Camera cam)
{
double[] offset = new double[] { cam.GetTransform(0, 0), cam.GetTransform(0, 1) };
double scale = cam.GetScale;
BezierCurve _Curve = BezierCurve.ScaleAdjusted(curve, cam);
PointCollection lerpList = new PointCollection();
for (int i = 0; i < _Curve.Smoothness.Count; i++)
{
double steps = 0;
int multiplier = 0;
for (int j = 0; j < i; j++)
{
multiplier += _Curve.Smoothness[j] + 1;
}
try {
int lineSmoothness = _Curve.Smoothness[i];
while (steps < 1.05)
{
if (lineSmoothness != 0)
{
if (lineSmoothness == 1)
{
Point lerp1 = LerpMath.Lerp(_Curve.Points[multiplier], _Curve.Points[1 + multiplier], steps);
Point lerp2 = LerpMath.Lerp(_Curve.Points[1 + multiplier], _Curve.Points[2 + multiplier], steps);
Point lerp4 = LerpMath.Lerp(lerp1, lerp2, steps);
lerpList.Add(lerp4);
}
else
{
Point lerp1 = LerpMath.Lerp(_Curve.Points[multiplier], _Curve.Points[1 + (multiplier)], steps);
Point lerp2 = LerpMath.Lerp(_Curve.Points[1 + multiplier], _Curve.Points[2 + multiplier], steps);
Point lerp3 = LerpMath.Lerp(_Curve.Points[2 + multiplier], _Curve.Points[3 + multiplier], steps);
Point lerp4 = LerpMath.Lerp(lerp1, lerp2, steps);
Point lerp5 = LerpMath.Lerp(lerp2, lerp3, steps);
Point lerp6 = LerpMath.Lerp(lerp4, lerp5, steps);
lerpList.Add(lerp6);
}
}
else
{
lerpList.Add(LerpMath.Lerp(_Curve.Points[multiplier], _Curve.Points[multiplier + 1], steps));
}
if (scale < 0.5)
{
steps += 0.05;
}
else
{
steps += 0.1;
}
}
}
catch (Exception) {
//throw;
}
}
return(lerpList.ToList());
}