public IEnumerator <object> Task()
{
while (true)
{
if (!SceneView.Instance.InputArea.IsMouseOverThisOrDescendant())
{
yield return(null);
continue;
}
var selectedPointObjects = Document.Current.SelectedNodes().Editable().OfType <PointObject>().ToList();
if (selectedPointObjects.Count() > 1)
{
Utils.CalcHullAndPivot(selectedPointObjects, out var hull, out _);
hull = hull.Transform(Document.Current.Container.AsWidget.LocalToWorldTransform);
var expandedBoundsInSceneCoords = PointObjectsPresenter.ExpandAndTranslateToSpaceOf(hull, Document.Current.Container.AsWidget, sv) *
sv.Frame.CalcTransitionToSpaceOf(sv.Scene);
for (var i = 0; i < 4; i++)
{
if (sv.HitTestControlPoint(expandedBoundsInSceneCoords[i]))
{
Utils.ChangeCursorIfDefault(Cursors.Rotate);
if (sv.Input.ConsumeKeyPress(Key.Mouse0))
{
yield return(Rotate(hull, selectedPointObjects));
}
}
}
}
yield return(null);
}
}
public IEnumerator <object> Task()
{
while (true)
{
if (!SceneView.Instance.InputArea.IsMouseOverThisOrDescendant())
{
yield return(null);
continue;
}
var points = Document.Current.SelectedNodes().Editable().OfType <PointObject>().ToList();
if (points.Count > 1)
{
Rectangle aabb;
Utils.CalcAABB(points, Document.Current.Container.AsWidget, out aabb);
var hull = aabb.ToQuadrangle();
var hullSize = hull.V3 - hull.V1;
hullNormalized = hull * Matrix32.Scaling(Vector2.One / Document.Current.Container.AsWidget.Size);
var expandedHullInSceneCoords = PointObjectsPresenter.ExpandAndTranslateToSpaceOf(hull, Document.Current.Container.AsWidget, sv.Frame) *
sv.Frame.CalcTransitionToSpaceOf(sv.Scene);
for (int i = 0; i < 4; i++)
{
if (Mathf.Abs(hullSize.X) > Mathf.ZeroTolerance && Mathf.Abs(hullSize.Y) > Mathf.ZeroTolerance)
{
if (sv.HitTestResizeControlPoint(expandedHullInSceneCoords[i]))
{
Utils.ChangeCursorIfDefault(MouseCursor.SizeNS);
if (sv.Input.ConsumeKeyPress(Key.Mouse0))
{
yield return(Rescale(i * 2, MouseCursor.SizeNS, points));
}
}
}
}
for (int i = 0; i < 4; i++)
{
if (Mathf.Abs(hullSize.X) < Mathf.ZeroTolerance && i % 2 == 1 ||
Mathf.Abs(hullSize.Y) < Mathf.ZeroTolerance && i % 2 == 0
)
{
continue;
}
var a = expandedHullInSceneCoords[i];
var b = expandedHullInSceneCoords[(i + 1) % 4];
if (sv.HitTestResizeControlPoint((a + b) / 2))
{
var cursor = MouseCursor.Default;
if (Mathf.Abs(hullSize.X) < Mathf.ZeroTolerance)
{
cursor = MouseCursor.SizeNS;
}
else if (Mathf.Abs(hullSize.Y) < Mathf.ZeroTolerance)
{
cursor = MouseCursor.SizeWE;
}
else
{
cursor = (b.X - a.X).Abs() > (b.Y - a.Y).Abs() ? MouseCursor.SizeNS : MouseCursor.SizeWE;
}
Utils.ChangeCursorIfDefault(cursor);
if (sv.Input.ConsumeKeyPress(Key.Mouse0))
{
yield return(Rescale(i * 2 + 1, cursor, points));
}
}
}
}
yield return(null);
}
}