Vuforia+二维码识别

简单粗暴直接上脚本

using UnityEngine;  
using System.Collections;  
 using System;  
 using Vuforia;  
 using System.Threading;  
 using ZXing;  
 using ZXing.QrCode;  
 using ZXing.Common;  
 using UnityEngine.SceneManagement;  
   
 public class CameraScanQRCode : MonoBehaviour  
 {
    public static CameraScanQRCode cameraScanQRCodeInstance;
    private Image.PIXEL_FORMAT m_PixelFormat = Image.PIXEL_FORMAT.GRAYSCALE;  
	 private bool m_RegisteredFormat = false;  
  
	 public bool reading;  
	 public string QRMessage;  
	// public UnityEngine.UI.Text labelQrc;  
     Thread qrThread;  
     //bool isQuit;  
     private Color32[] c;  
     private int W, H;  
     Image QCARoutput;  
	 bool updC;  
	 bool gotResult = false;

    //添加播放扫描成功音频特效
    private bool isAleardyPlayAudio=false;
    private void Awake()
    {
        cameraScanQRCodeInstance = this;
        //Cursor.visible = false;
    }
    void Start()  
	{
        //打包会报错

        CameraDevice.Instance.SetFocusMode(CameraDevice.FocusMode.FOCUS_MODE_CONTINUOUSAUTO);
    }  
	public void ShowScannerInformation(bool IsShowInfo)
	{
		//Debug.LogWarning ("this is ShowScannerInformation"+IsShowInfo);
		//labelQrc.enabled = IsShowInfo;
		//labelQrc.text = QRMessage;
	}


	void SetCameraFocus ()
	{
		
		var isAutoFocus = CameraDevice.Instance.SetFocusMode (CameraDevice.FocusMode.FOCUS_MODE_CONTINUOUSAUTO);
		if (!isAutoFocus) {
			CameraDevice.Instance.SetFocusMode (CameraDevice.FocusMode.FOCUS_MODE_NORMAL);
			//Debug.LogError ("*********Field to set fouce mode (unsupported mode )*****");
		}
	//	Debug.LogError ("*********Field to set fouce mode (unsupported mode )*****");
	}

    //void OnApplicationQuit()  
    //{  

    //}  
    ////private void OnApplicationPause(bool pause)
    ////{
    ////    if(pause)
    ////    {
            
    ////        Debug.LogError("pause");
    ////        reading = true;
    ////    }
    ////}
    void OnEnable()  
	     {  
		//1
		  //VuforiaBehaviour vuforiaBehaviour =(VuforiaBehaviour)FindObjectOfType(typeof(VuforiaBehaviour));  
		//1
		  //vuforiaBehaviour.RegisterTrackablesUpdatedCallback(OnTrackablesUpdated);  
			VuforiaARController.Instance.RegisterTrackablesUpdatedCallback (OnTrackablesUpdated);
			SetCameraFocus ();
	      	//Debug.Log(String.Format("AutoFocus : {0}", isAutoFocus));  
		  
			//	         if (!m_RegisteredFormat)  
			//			       {  //1
			//			           Vuforia.CameraDevice.Instance.SetFrameFormat(m_PixelFormat, true);  
			//		  
			//			            m_RegisteredFormat = true;  
			//			       }  
			//		  
		        qrThread = new Thread(DecodeQR);  
		         qrThread.Start();  
	     }  
	    void OnDisable()  
	    {
        //Debug.LogError("OnDisable");
        //VuforiaBehaviour vuforiaBehaviour = (VuforiaBehaviour)FindObjectOfType(typeof(VuforiaBehaviour));  
        //vuforiaBehaviour.UnregisterTrackablesUpdatedCallback(OnTrackablesUpdated);  
        VuforiaARController.Instance.RegisterTrackablesUpdatedCallback(OnTrackablesUpdated);
        qrThread.Abort();
        qrThread = null;
        }

    //private void OnDestroy()
    //{
    //    Debug.LogError("OnDestroy");
    //}
    //private void OnApplicationPause(bool pause)
    //{
    //    Debug.LogError("OnApplicationPause");

    //}
    //private void OnApplicationFocus(bool focus)
    //{
    //    Debug.LogError("OnApplicationFocus");
    //    VuforiaARController.Instance.RegisterTrackablesUpdatedCallback(OnTrackablesUpdated);
    //    SetCameraFocus();
    //    //qrThread.Resume();


    //}
    public void OnTrackablesUpdated()  
	   {     
	        Vuforia.CameraDevice cam = Vuforia.CameraDevice.Instance;  
		//1
		     if (!m_RegisteredFormat)
		     {
			   Vuforia.CameraDevice.Instance.SetFrameFormat(m_PixelFormat, true);
			   m_RegisteredFormat = true;
		     }//
	        QCARoutput = cam.GetCameraImage(m_PixelFormat);  
	         if (QCARoutput != null)  
		     {  
		          reading = true;  
		          updC = true;  
		     }  
	         else  
		     {  
		          reading = false;  
		          //  Debug.Log(m_PixelFormat + " image is not available yet");  
		     }  
	   }  
	  
    void Update()
    {
       
       // if (QRMessage!=""&& TaskAudioManager.TaskAudioManagerInstance.playTaskAudio.isPlaying == false)
        {           
         //  QRCodeScannerSuccess();          
        }
        //Cursor.visible = false;

        //	CameraDevice.Instance.SetFocusMode (CameraDevice.FocusMode.FOCUS_MODE_CONTINUOUSAUTO);
        //SetCameraFocus ();
        if (reading)  
		   {  
			   if (QCARoutput != null)  
			   {  
			      if (updC)  
				  {  
				       updC = false;  
				       Invoke("ForceUpdateC", 1f);//here we'll postpone next c update, this function literally just switches updC to true  
					  if (QCARoutput == null)  
					  {  
						return;  
					  }  
				      c = null;  
				      c = ImageToColor32(QCARoutput);  
				       if (W == 0 | H == 0)  
					   {  
					     W = QCARoutput.BufferWidth;  
					      H = QCARoutput.BufferHeight;  
					   }  
					  QCARoutput = null;  
				  }  
			   }  
		   }  
		  
		       // labelQrc.text = QRMessage;  
		ShowScannerInformation(true);
	         //if (gotResult) SceneManager.LoadScene(0);  
    }  
	void DecodeQR()  
	{  
		// create a reader with a custom luminance source  
		//   var barcodeReader = new BarcodeReader { AutoRotate = false, TryHarder = false };  
		   var barcodeReader = new BarcodeReader { AutoRotate = false, TryInverted = false };  
		   barcodeReader.ResultFound += OnResultF;  
		    while (true)  
			{  
			 //if (isQuit)//This one is used to be true in OnApplicationQuit() See ZXing's tutorial for more info  
		     //    break;  
		       if (reading && c != null)  
			   {  
				 	try  
				    {  
					       // decode the current frame  
					   ZXing.Result result = barcodeReader.Decode(c, W, H);  
				        c = null;  
				  		 if (result != null)  
					 	 {  
							 QRMessage = result.Text;


                        //download = true;  
                        //reading = false;  
                        Debug.Log(QRMessage);

                    }  
		  	        }  
	     			catch(Exception e)  
			        {  
				       Debug.Log(e.Message);  
				    }  
			   }  
			   else
               {  
				 
			   }
            Thread.Sleep(1);
        }  
	}
    //添加播放扫描成功音频特效.snail
    private void QRCodeScannerSuccess()
    {
        if (!isAleardyPlayAudio)
        {
            isAleardyPlayAudio = true;
            TaskAudioManager.TaskAudioManagerInstance.PlayGameAudioByID((int)GameAudioType.QRCodeScannerSuccess);
        }
    }
	void OnResultF(Result result)  
	{  
		  //Debug.Log(result.Text);  
	        gotResult = true;  
		  //SceneManager.LoadScene(0);  
	}  
	void ForceUpdateC()  
    { //To set it to update later  
		updC = true;  
	}  
 
	Color32[] ImageToColor32(Vuforia.Image a)  
   	{  
	     if (!a.IsValid()) return null;  
	      Color32[] r = new Color32[a.BufferWidth * a.BufferHeight];  
		  for (int i = 0; i < r.Length; i++)  
		  {  
		    r[i].r = r[i].g = r[i].b = a.Pixels[i];  
		  }  
	      return r;  
	}  
 }