//SetOptions is called on every Tool.Down
//I haven't figured a better way for converting anon json objects.
protected override void SetOptions(Newtonsoft.Json.Linq.JContainer o)
{
base.options = o.ToObject <Options>();
}
} //true when mouse is down
protected virtual void SetOptions(Newtonsoft.Json.Linq.JContainer o)
{
options = o.ToObject <Options>();
} //!! virtual
