Unity Vuforia(高通)AR全流程

Unity Vuforia播放视频全过程（从Unity的安装到打包）

一、安装Unity
（1）点击安装地址下载Unity Hub
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下载好之后点击安装。
（2）从Unity Hub进去安装Unity（要先注册登陆账号）

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安装完后是这样的

二、新建项目

项目创建完成打开如下：

目标平台为安卓平台，选择菜单file—>buildsetting

三、项目制作
（1）在Unity内导入vuforia engine
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window—>package manager

（2）前往Vuforia注册登录账号
点击Vuforia前往官网

注册登陆之后：

创建应用

（3）上传识别图

（4）下载到Unity
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（5）将下载好的文件放置进入Unity（手动拖就好）
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（6）按想法（识别图片播放视频）制作工程
在此窗口点击鼠标右键

依次点击Vuforia Engine—>AR Camera

在此窗口继续鼠标右键
依次点击Vuforia Engine—>Image

（7）配置密钥
回到AR Camera，点击open vuforia engine configuration
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回到Vuforia官网

将框内密钥复制进入Unity
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将AR Camera的下图脚本移除（remove component）

返回至ImageTarget，将下图脚本移除：
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创建脚本：

脚本代码如下：

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
/*==============================================================================
Copyright (c) 2017 PTC Inc. All Rights Reserved.

Copyright (c) 2010-2014 Qualcomm Connected Experiences, Inc.
All Rights Reserved.
Confidential and Proprietary - Protected under copyright and other laws.
==============================================================================*/
using Vuforia;

/// <summary>
/// A custom handler that implements the ITrackableEventHandler interface.
///
/// Changes made to this file could be overwritten when upgrading the Vuforia version.
/// When implementing custom event handler behavior, consider inheriting from this class instead.
/// </summary>
public class TestAR : MonoBehaviour, ITrackableEventHandler
{
    
    
    #region PROTECTED_MEMBER_VARIABLES

    protected TrackableBehaviour mTrackableBehaviour;
    protected TrackableBehaviour.Status m_PreviousStatus;
    protected TrackableBehaviour.Status m_NewStatus;

    #endregion // PROTECTED_MEMBER_VARIABLES

    #region UNITY_MONOBEHAVIOUR_METHODS

    protected virtual void Start()
    {
    
    
        mTrackableBehaviour = GetComponent<TrackableBehaviour>();
        if (mTrackableBehaviour)
            mTrackableBehaviour.RegisterTrackableEventHandler(this);
    }

    protected virtual void OnDestroy()
    {
    
    
        if (mTrackableBehaviour)
            mTrackableBehaviour.UnregisterTrackableEventHandler(this);
    }

    #endregion // UNITY_MONOBEHAVIOUR_METHODS

    #region PUBLIC_METHODS

    /// <summary>
    ///     Implementation of the ITrackableEventHandler function called when the
    ///     tracking state changes.
    /// </summary>
    public void OnTrackableStateChanged(
        TrackableBehaviour.Status previousStatus,
        TrackableBehaviour.Status newStatus)
    {
    
    
        m_PreviousStatus = previousStatus;
        m_NewStatus = newStatus;

        if (newStatus == TrackableBehaviour.Status.DETECTED ||
            newStatus == TrackableBehaviour.Status.TRACKED ||
            newStatus == TrackableBehaviour.Status.EXTENDED_TRACKED)
        {
    
    
            Debug.Log("Trackable " + mTrackableBehaviour.TrackableName + " found");
            OnTrackingFound();
        }
        else if (previousStatus == TrackableBehaviour.Status.TRACKED &&
                 newStatus == TrackableBehaviour.Status.NO_POSE)
        {
    
    
            Debug.Log("Trackable " + mTrackableBehaviour.TrackableName + " lost");
            OnTrackingLost();
        }
        else
        {
    
    
            OnTrackingLost();
        }
    }


    public GameObject panel;
    #endregion // PUBLIC_METHODS

    #region PROTECTED_METHODS

    protected virtual void OnTrackingFound()
    {
    
    
        var rendererComponents = GetComponentsInChildren<Renderer>(true);
        var colliderComponents = GetComponentsInChildren<Collider>(true);
        var canvasComponents = GetComponentsInChildren<Canvas>(true);

        // Enable rendering:
        foreach (var component in rendererComponents)
            component.enabled = true;

        // Enable colliders:
        foreach (var component in colliderComponents)
            component.enabled = true;

        // Enable canvas':
        foreach (var component in canvasComponents)
            component.enabled = true;
        panel.SetActive(true);
    }


    protected virtual void OnTrackingLost()
    {
    
    
        var rendererComponents = GetComponentsInChildren<Renderer>(true);
        var colliderComponents = GetComponentsInChildren<Collider>(true);
        var canvasComponents = GetComponentsInChildren<Canvas>(true);
        // Disable rendering:
        foreach (var component in rendererComponents)
            component.enabled = false;

        // Disable colliders:
        foreach (var component in colliderComponents)
            component.enabled = false;

        // Disable canvas':
        foreach (var component in canvasComponents)
            component.enabled = false;

        panel.SetActive(false);
    }
    #endregion // PROTECTED_METHODS
}