using UnityEngine;using System.Collections;public class _5_6 : MonoBehaviour{    private GameObject camera0;    private GameObject camera1;    private GameObject camera2;     /// 
    /// 获取3个摄像机对象    /// 
    void Start ()    {        camera0 = GameObject.Find("Camera0");        camera1 = GameObject.Find("Camera1");        camera2 = GameObject.Find("Camera2");    }    private void OnGUI()    {        if (GUILayout.Button("投射侧面", GUILayout.Height(50)))        {            //关闭Camera1与Camera2            camera1.active = false;//表示取消该摄像机的显示            camera2.active = false;            //打开Camera0            camera0.active = true;//表示激活摄像机使其显示在屏幕中        }        if (GUILayout.Button("投射正面", GUILayout.Height(50)))        {            //关闭Camera0与Camera2            camera0.active = false;            camera2.active = false;            //打开Camera1            camera1.active = true;        }        if (GUILayout.Button("投射上面",GUILayout.Height(50)))        {            //关闭Camera0与Camera1            camera0.active = false;            camera1.active = false;            //打开Camera2            camera2.active = true;        }    }    // Update is called once per frame    void Update () {        }}