new(?MaxSize:Int)
@:value(FlxPoint.get(0, 0))scrollFactor:FlxPoint = FlxPoint.get(0, 0)
@:value(true)updateScrolls:Bool = true
@:value(0)x:Float = 0
@:value(0)y:Float = 0
updateAnchor(x:Float, y:Float, ?cameras:Array<FlxCamera>):Void