battlearray_client/Assets/Scripts/UI/RootPanelScaler.cs

using UnityEngine;
using System.Collections;

public class RootPanelScaler : MonoBehaviour {

	public const int ORIGIN_WIDTH = 560;
	public const int ORIGIN_HEIGHT = 420;

	public const int ORIGIN_BATTLE_HEIGHT = 480;

	// Use this for initialization
	void Awake () 
	{
		float height = 0;
		if(GameObject.FindObjectOfType<BattleController>() != null)
			height = ORIGIN_BATTLE_HEIGHT;
		else
			height = ORIGIN_HEIGHT;


		float s = (float)Screen.height/height;

		RectTransform rectTrans = GetComponent<RectTransform>();
		rectTrans.localScale = new Vector3(s, s, 1f);

		float width = Screen.width/s;
		rectTrans.sizeDelta = new Vector2(width, height);
	}

}