SimpleAnimationでアニメーション再生

PlayAnimation.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayAnimation : MonoBehaviour 
{
	void Update()
	{
		if (Input.GetKeyDown (KeyCode.A)) {
			GetComponent<SimpleAnimation> ().CrossFade ("Default", 0.5f);
		}

		if (Input.GetKeyDown (KeyCode.S)) {
			GetComponent<SimpleAnimation> ().CrossFade ("Running", 0.5f);
		}
	}
}