B4J Question Rotate Application 90 Degress

'...
    MainForm.Show
 
    Dim RootPain As B4XView = MainForm.RootPane
    Do While True
        RootPain.Rotation = Sin(DateTime.Now * 0.0003) * 360
        RootPain.Top = Sin(DateTime.Now * 0.0011) * 200
        RootPain.Left = Sin(DateTime.Now * 0.0017) * 200
        Sleep(15)
    Loop
 
End Sub

'...
    MainForm.Show
 
    Dim RootPain As B4XView = MainForm.RootPane
    Do While True
        RootPain.SetRotationAnimated(700, Rnd(0, 359))
        RootPain.SetLayoutAnimated(700, Rnd(-200, 200), Rnd(-200, 200), 123, 123)    '123 = no effect
        Sleep(1000)
    Loop

Sub AppStart (Form1 As Form, Args() As String)
    MainForm = Form1
    MainForm.RootPane.LoadLayout("Main") 'Load the layout file.
    MainForm.Show
    
    RotateNode(MainForm.RootPane, 90)
End Sub

Sub RotateNode(View As JavaObject, Angle As Double)   
    Dim Rot As JavaObject
    Rot.InitializeNewInstance("javafx.scene.transform.Rotate", Null)
    Rot.RunMethod("setAngle", Array(Angle))
    Rot.RunMethod("setPivotX", Array(View.RunMethod("getWidth", Null) /2))
    Rot.RunMethod("setPivotY", Array(View.RunMethod("getHeight", Null) /2))

    Dim Transforms As JavaObject
    Transforms = View.RunMethod("getTransforms", Null)
    Transforms.RunMethod("add", Array(Rot))   
End Sub