AR Foundation2，扫码显示两个模型

1.首先添加Reference Image Library，在Create->XR->Reference Image Library。

设置两个图片

2.在AR Session Origin中，添加AR Tracked Image Manager组件，并加入上一步设置的图片库

3.0添加新的脚本MultiImageTracking，如下

1.  
    
2.  
   using System.Collections;
3.  
   using System.Collections.Generic;
4.  
   using UnityEngine;
5.  
   using UnityEngine.XR.ARFoundation;
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7.  
   public class MultiImageTracking : MonoBehaviour
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   {
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   ARTrackedImageManager ImgTrackedManager;
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    private Dictionary<string, GameObject> mPrefabs = new Dictionary<string, GameObject>();
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    private void Awake()
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    {
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    ImgTrackedManager = GetComponent<ARTrackedImageManager>();
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    }
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    void Start()
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    {
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    mPrefabs.Add("kiss", Resources.Load("TVvideo") as GameObject);
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    mPrefabs.Add("qr", Resources.Load("car") as GameObject);
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    }
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    private void OnEnable()
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    {
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    ImgTrackedManager.trackedImagesChanged = OnTrackedImagesChanged;
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    }
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    void OnDisable()
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    {
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    ImgTrackedManager.trackedImagesChanged -= OnTrackedImagesChanged;
31.  
    }
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    void OnTrackedImagesChanged(ARTrackedImagesChangedEventArgs eventArgs)
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    {
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    foreach (var trackedImage in eventArgs.added)
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    {
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    OnImagesChanged(trackedImage);
38.  
    }
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40.  
    }
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    private void OnImagesChanged(ARTrackedImage referenceImage)
43.  
    {
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    Debug.Log("Image name:" referenceImage.referenceImage.name);
45.  
    Instantiate(mPrefabs[referenceImage.referenceImage.name], referenceImage.transform);
46.  
     
47.  
     
48.  
     
49.  
     
50.  
    }
51.  
    }
52.  
     

3.1.也可以采取添加如下控件，并填入模型和图片库即可

4.打包安装，运行 ，扫码

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