protected UIMultiCore(String title, double tickRate)
: base(title, tickRate, typeof(DoubleBufferStrategy))
{
RootObj = new Root(WindowObj);
RootObj.Dirty.OnUpdate += () => {if(RootObj.Dirty.Value) MarkDirty();};
AutoDirty = false;
//initial dirty to get started
MarkDirty();
}
internal RootInputHandler(Root parent)
{
Parent = parent;
}