- using UnityEngine;
- using System.Collections;
- public class NPCName : MonoBehaviour {
- //主角对象
- private GameObject player;
- //主摄像机对象
- private Camera camera;
- //NPC名称
- private string name = "我是NPC";
- void Start()
- {
- //根据Tag得到主角对象
- player = GameObject.FindGameObjectWithTag("MainCamera");
- camera = Camera.main;
- }
- void OnGUI()
- {
- //得到NPC头顶在3D世界中的坐标
- Vector3 worldPosition = new Vector3(transform.position.x, transform.position.y + 0.5f, transform.position.z);
- //根据NPC头顶的3D坐标换算成它在2D屏幕中的坐标
- Vector2 position = camera.WorldToScreenPoint(worldPosition);
- //得到真实NPC头顶的2D坐标
- position = new Vector2(position.x, Screen.height - position.y);
- //计算NPC名称的宽高
- Vector2 nameSize = GUI.skin.label.CalcSize(new GUIContent(name));
- //设置显示颜色为黄色
- GUI.color = Color.red;
- //绘制NPC名称
- GUI.Label(new Rect(position.x - (nameSize.x / 2), position.y - nameSize.y, nameSize.x, nameSize.y), name);
- }
- }
http://blog.csdn.net/daijinghui512/article/details/38398033