[Range(10, 150)]
public int fontSize = 30;
public Color color = new Color(.0f, .0f, .0f, 1.0f);
public float width, height;
private void OnGUI()
{
	Rect position = new Rect(width, height, Screen.width, Screen.height);

	float fps = 1.0f / Time.deltaTime;
	float ms = Time.deltaTime * 1000.0f;
	string text = string.Format("{0:N1} FPS ({1:N1}ms)", fps, ms);

	GUIStyle style = new GUIStyle();

	style.fontSize = fontSize;
	style.normal.textColor = color;

	GUI.Label(position, text, style);
}

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

public class ImageAnimation : MonoBehaviour {

	public Sprite[] sprites;
	public int spritePerFrame = 6;
	public bool loop = true;
	public bool destroyOnEnd = false;

	private int index = 0;
	private Image image;
	private int frame = 0;

	void Awake() {
		image = GetComponent<Image> ();
	}

	void Update () {
		if (!loop && index == sprites.Length) return;
		frame ++;
		if (frame < spritePerFrame) return;
		image.sprite = sprites [index];
		frame = 0;
		index ++;
		if (index >= sprites.Length) {
			if (loop) index = 0;
			if (destroyOnEnd) Destroy (gameObject);
		}
	}
}

 private void OnGUI()
{
	GUIStyle LabelStyle = new GUIStyle(GUI.skin.label);
	LabelStyle.fontSize = font_size;
	GUIStyle ButtonStyle = new GUIStyle(GUI.skin.button);
	//ButtonStyle.alignment = TextAnchor.MiddleRight;
	ButtonStyle.fontSize = font_size;
	GUIStyle ButtonStyle2 = new GUIStyle(GUI.skin.button);
	ButtonStyle2.alignment = TextAnchor.MiddleLeft;
	ButtonStyle2.fontSize = font_size-5;
	GUIStyle TextAreaStyle = new GUIStyle(GUI.skin.textArea);
	TextAreaStyle.fontSize = font_size;

	/* ---------------------------------------------------------------- */
	GUILayout.BeginHorizontal();
	GUILayout.BeginVertical();
	GUILayout.Label("COM ports", LabelStyle);
	if (GUILayout.Button("re-connect", ButtonStyle)) Reconnect();
	scrollPosition1 = GUILayout.BeginScrollView(
		scrollPosition1, GUILayout.Width(width), GUILayout.Height(150));
	GUILayout.TextArea(port_name, TextAreaStyle);
	GUILayout.EndScrollView();
	GUILayout.Space(20);

	/* ---------------------------------------------------------------- */
	GUILayout.BeginVertical();
	int counter = 0;
	foreach(DeviceState ds in Enum.GetValues(typeof(DeviceState))) { 
		if (GUILayout.Button(ds.ToString(), ButtonStyle2)) DeviceStateWrite(ds);
		counter++;
		if(counter%28 == 0)
		{
			GUILayout.EndVertical();
			GUILayout.BeginVertical();
		}
	}
	GUILayout.EndVertical();
	/* ---------------------------------------------------------------- */
	GUILayout.EndHorizontal();
}

m1 = GUILayout.TextField(m1, TextFieldStyle);
//변수를 덮어씌우는 방식으로 input field를 구현함