public var widthOnLeft : int = 2;
public var widthOnRight : int = 2;
public var heightOnUp : int = 2;
public var heightOnBottom : int = 2;

public var isOpenOnLeft : boolean = true;
public var isOpenOnUp : boolean = true;
public var isOpenOnRight : boolean = true;
public var isOpenOnBottom : boolean = true;

public var leftOpeningOffset : int = 0;
public var upOpeningOffset : int = 0;
public var rightOpeningOffset : int = 0;
public var bottomOpeningOffset : int = 0;