GUIText.font 字体

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	public Font font;
	public void Awake() {
		guiText.font = font;
	}
}

// Assign manually a font from the inspector to the GUIText
//从检视面板，手工指定一个字体给GUIText

var font : Font;
guiText.font = font;