battlearray_client/Assets/Scripts/UI/Battle/ReplaySpeedBtn.cs

using UnityEngine;
using UnityEngine.UI;
using System.Collections;

public class ReplaySpeedBtn : MonoBehaviour
{

	public Sprite[] spriteArr;
	public Image icon;

	public void OnClick()
	{
		int speed = Mathf.RoundToInt(GameTime.timeScale);
		if (speed == 1) {
			GameTime.timeScale = 2f;
			icon.sprite = spriteArr [1];
		}
		else{
			GameTime.timeScale = 1f;
			icon.sprite = spriteArr [0];
		}
	}
}