void RescaleWidgets(Quadrangle originalHull, bool hullInFirstWidgetSpace, Vector2 hullsPivotPoint, List <Widget> widgets, int controlPointIndex,
Vector2 curMousePos, Vector2 prevMousePos, bool proportional)
{
Utils.ApplyTransformationToWidgetsGroupOobb(
sv.Scene,
widgets, hullsPivotPoint, hullInFirstWidgetSpace, curMousePos, prevMousePos,
(originalVectorInOobbSpace, deformedVectorInOobbSpace) => {
Vector2 deformationScaleInOobbSpace =
new Vector2(
Math.Abs(originalVectorInOobbSpace.X) < Mathf.ZeroTolerance
? 1
: deformedVectorInOobbSpace.X / originalVectorInOobbSpace.X,
Math.Abs(originalVectorInOobbSpace.Y) < Mathf.ZeroTolerance
? 1
: deformedVectorInOobbSpace.Y / originalVectorInOobbSpace.Y
);
if (proportional)
{
deformationScaleInOobbSpace.X = (deformationScaleInOobbSpace.X + deformationScaleInOobbSpace.Y) / 2;
deformationScaleInOobbSpace.Y = deformationScaleInOobbSpace.X;
}
if (!LookupInvolvedAxes[controlPointIndex][0])
{
deformationScaleInOobbSpace.X = proportional ? deformationScaleInOobbSpace.Y : 1;
}
if (!LookupInvolvedAxes[controlPointIndex][1])
{
deformationScaleInOobbSpace.Y = proportional ? deformationScaleInOobbSpace.X : 1;
}
return(Matrix32.Scaling(deformationScaleInOobbSpace));
}
);
}
private static void SetupViewportAndProjectionMatrix()
{
Renderer.SetOrthogonalProjection(0, 0, The.World.Width, The.World.Height);
var windowSize = The.Window.ClientSize;
The.Window.Input.MousePositionTransform = Matrix32.Scaling(The.World.Width / windowSize.X,
The.World.Height / windowSize.Y);
}
public void TransformTest()
{
var rectangle = new Rectangle(Vector2.Zero, Vector2.One);
rectangle = rectangle.Transform(Matrix32.Scaling(Vector2.Half));
var expectedRectangle = new Rectangle(Vector2.Zero, Vector2.Half);
Assert.That(rectangle, Is.EqualTo(expectedRectangle));
}
IEnumerator <object> Rotate(Quadrangle hull, List <PointObject> points)
{
using (Document.Current.History.BeginTransaction()) {
var t = Document.Current.Container.AsWidget.LocalToWorldTransform.CalcInversed();
hull *= Matrix32.Scaling(Vector2.One / Document.Current.Container.AsWidget.Size);
var center = (hull.V1 + hull.V3) / 2;
var size = Document.Current.Container.AsWidget.Size;
var mousePosInitial = (sv.MousePosition * t - center * size) / size;
var rotation = 0f;
while (sv.Input.IsMousePressed())
{
Document.Current.History.RollbackTransaction();
Utils.ChangeCursorIfDefault(Cursors.Rotate);
var b = (sv.MousePosition * t - center * size) / size;
var angle = 0f;
if (mousePosInitial.Length > Mathf.ZeroTolerance && b.Length > Mathf.ZeroTolerance)
{
angle = Mathf.Wrap180(b.Atan2Deg - mousePosInitial.Atan2Deg);
rotation = angle;
}
if (Math.Abs(angle) > Mathf.ZeroTolerance)
{
var effectiveAngle = sv.Input.IsKeyPressed(Key.Shift) ? Utils.RoundTo(rotation, 15) : angle;
Quadrangle newBounds = new Quadrangle();
for (int i = 0; i < 4; i++)
{
newBounds[i] = Vector2.RotateDeg(hull[i] - center, effectiveAngle) + center;
}
for (var i = 0; i < points.Count; i++)
{
var offset = center - points[i].Offset / size;
var position = Vector2.RotateDeg((points[i].Position - offset), effectiveAngle) + offset;
Core.Operations.SetAnimableProperty.Perform(points[i], nameof(PointObject.Position), position, CoreUserPreferences.Instance.AutoKeyframes);
if (points[i] is SplinePoint)
{
Core.Operations.SetAnimableProperty.Perform(
points[i],
nameof(SplinePoint.TangentAngle),
(points[i] as SplinePoint).TangentAngle - effectiveAngle,
CoreUserPreferences.Instance.AutoKeyframes
);
}
}
}
yield return(null);
}
sv.Input.ConsumeKey(Key.Mouse0);
Window.Current.Invalidate();
Document.Current.History.CommitTransaction();
}
}
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);
}
}