//if the user releases the mouse button and it wasn't over any of the clickables, call this thing's onClickRelease()
public void registerDefaultRelease(BaseClickable clickable)
{
_defaultOnClickRelease = clickable;
}
//if the user clicks somewhere and it doesn't hit any of the clickables, call this thing's onClickedOn()
public void registerDefaultClick(BaseClickable clickable)
{
_defaultOnClickedOn = clickable;
}
