void AddButtons()
{
foreach (Button bt in btns)
{
Destroy(bt.gameObject);
}
btns.Clear();
for (int i = 0; i < heros.Count; i++)
{
Button bt = Instantiate(btn);
btns.Add(bt);
bt.transform.SetParent(transform, false);
//bt.GetComponent<RectTransform> ().SetPositionAndRotation (new Vector3(0, -i*150, 0), Quaternion.identity);
// bt.GetComponent<RectTransform> ().localPosition= new Vector3(0, -i*150, 0);
RectTransform rt = bt.GetComponent <RectTransform> ();
// rt.SetInsetAndSizeFromParentEdge (RectTransform.Edge.Left, 0, 750);
rt.SetInsetAndSizeFromParentEdge(RectTransform.Edge.Top, i * 150, 150);
HeroItem item = bt.GetComponent <HeroItem> ();
HeroModel model = heros[i];
item.Bind(model, this);
}
RectTransform rootRt = GetComponent <RectTransform> ();
rootRt.SetInsetAndSizeFromParentEdge(RectTransform.Edge.Top, 0, heros.Count * 150);
}
