public async void MouseMove(object sender, MouseEventArgs e)
{
if (!IsControlDragged)
{
return;
}
// shape is being dragged
var mousePos = e.GetPosition(_controlParentCanvas);
controlCurrentCanvasTop = Canvas.GetTop(_controlElement);
var s_gap = (controlSizeBaseWidth - controlSizeWidth) / 2; // gap size between control and border
// if dist to init pos is within check, set, otherwise set max
var move = mousePos.Y - controlInitCenterTop;
var dist = Math.Abs(move);
double dist_max = controlSizeBaseHeight / 2 - s_gap - controlSizeHeight / 2;
double top;
if (dist <= dist_max)
{
top = mousePos.Y - controlSizeHeight / 2;
}
else //
{
//MessageBox.Show(move.ToString());
if (move >= 0)
{
top = controlInitCanvasTop + controlSizeBaseHeight / 2 - s_gap - controlSizeHeight / 2;
Canvas.SetTop(_controlElement, top);
}
else
{
top = controlInitCanvasTop - controlSizeBaseHeight / 2 + s_gap + controlSizeHeight / 2;
Canvas.SetTop(_controlElement, top);
}
}
Canvas.SetTop(_controlElement, top);
var travel = controlCurrentCanvasTop - controlInitCanvasTop;
var direction = new MathNet.Spatial.Euclidean.Vector2D(0, travel).Normalize();
if (controlMode == 0) // control height
{
await Task.Run(() => CameraControl.VerticalMoveCamera(camera, direction, dist / dist_max));
}
else if (controlMode == 1) // control zoom
{
camera.zoomValue = -travel / dist_max; // set zoom value
}
}
/// <summary>
/// Method to Convert a 2D Line to a <see cref="MathNet.Spatial.Euclidean.Vector2D"/>
/// </summary>
/// <param name="_2DLinetoBeVectored">2D Line which is to be converted to 2D Vector of <see cref="MathNet.Spatial.Euclidean.Vector2D"/></param>
/// <returns></returns>
public static MathNet.Spatial.Euclidean.Vector2D GetMathNetVector2D(Line _2DLinetoBeVectored)
{
MathNet.Spatial.Euclidean.Vector2D vector2D = new MathNet.Spatial.Euclidean.Vector2D(_2DLinetoBeVectored.StartPoint.X - _2DLinetoBeVectored.EndPoint.X, _2DLinetoBeVectored.StartPoint.Y - _2DLinetoBeVectored.EndPoint.Y);
return(vector2D);
}
