本文实现Unity调用手机摄像,拍摄,然后识别二维码,显示二维码的内容。
需要导入一个zxing.unity.dll文件,现在这个脚本的识别数据是放在Updata里边扫描的 数据量特别大会卡 要是用的话就自己做一下一秒执行一次。我这里没有弄
下载地址:zxing.unity.dll
代码:
- using System.Threading;
- using UnityEngine;
- using ZXing;
-
- public class WebCameraScript : MonoBehaviour
- {
- public string LastResult;
- public string Lastresult;
- public Color32[] data;
- private bool isQuit;
-
- public GUITexture myCameraTexture;
- private WebCamTexture webCameraTexture;
-
- private void Start()
- {
- // bool success = CameraDevice.Instance.SetFocusMode(CameraDevice.FocusMode.FOCUS_MODE_CONTINUOUSAUTO);
- // Checks how many and which cameras are available on the device
- for (int cameraIndex = 0; cameraIndex < WebCamTexture.devices.Length; cameraIndex++)
- {
- // We want the back camera
- if (!WebCamTexture.devices[cameraIndex].isFrontFacing)
- {
- //webCameraTexture = new WebCamTexture(cameraIndex, Screen.width, Screen.height);
- webCameraTexture = new WebCamTexture(cameraIndex, 200, 200);
-
- // Here we flip the GuiTexture by applying a localScale transformation
- // works only in Landscape mode
- myCameraTexture.transform.localScale = new Vector3(1, 1, 1);
- }
- }
-
- // Here we tell that the texture of coming from the camera should be applied
- // to our GUITexture. As we have flipped it before the camera preview will have the
- // correct orientation
- myCameraTexture.texture = webCameraTexture;
- // Starts the camera
- webCameraTexture.Play();
- //enabled=WebCamTexture.s
- }
-
- public void ShowCamera()
- {
- myCameraTexture.guiTexture.enabled = true;
- webCameraTexture.Play();
- }
-
- public void HideCamera()
- {
- myCameraTexture.guiTexture.enabled = false;
- webCameraTexture.Stop();
- }
-
- private void OnGUI()
- {
- GUI.Label(new Rect(60, 30*1, Screen.width, 20), "LastResult:" + LastResult);
- if (GUI.Button(new Rect(0, 0, 100, 100), "ON/OFF"))
- {
- if (webCameraTexture.isPlaying)
- HideCamera();
- else
- ShowCamera();
- }
- }
-
- private void Update()
- {
- //data = new Color32[webCameraTexture.width * webCameraTexture.height];
- data = webCameraTexture.GetPixels32();
-
- DecodeQR(webCameraTexture.width, webCameraTexture.height);
- }
-
-
- private void DecodeQR(int W, int H)
- {
- if (isQuit)
- return;
- // create a reader with a custom luminance source
- var barcodeReader = new BarcodeReader {AutoRotate = true, TryHarder = true};
-
- // while (true)
- {
- try
- {
- // decode the current frame
- Result result = barcodeReader.Decode(data, W, H);
- if (result != null)
- {
- LastResult = result.Text;
- // shouldEncodeNow = true;
- print("i read out::" + result.Text);
- }
-
- // Sleep a little bit and set the signal to get the next frame
- Thread.Sleep(200);
- data = null;
- }
- catch
- {
- }
- }
- }
- }
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持w3xue。