public void SelectTracker(TrackerType tracker_type)
{
if (tracker_type == TrackerType.Boosting)
{
monotracker = TrackerBoosting.create();
}
if (tracker_type == TrackerType.MIL)
{
monotracker = TrackerMIL.create();
}
if (tracker_type == TrackerType.KCF)
{
monotracker = TrackerKCF.create();
}
if (tracker_type == TrackerType.TLD)
{
monotracker = TrackerTLD.create();
}
if (tracker_type == TrackerType.MedianFlow)
{
monotracker = TrackerMedianFlow.create();
}
if (tracker_type == TrackerType.CSRT)
{
monotracker = TrackerCSRT.create();
}
if (tracker_type == TrackerType.MOSSE)
{
monotracker = TrackerMOSSE.create();
}
}
protected override Tracker CreateTracker()
{
TrackerMOSSE tracker = TrackerMOSSE.create();
if (tracker == null)
{
throw new ArgumentNullException(nameof(tracker));
}
return(tracker);
}
// 帧刷新时调用
private void Update()
{
// 对应初始化阶段
if (TrackingFlag == 0)
{
if (VuforiaRenderer.Instance != null && VuforiaRenderer.Instance.VideoBackgroundTexture != null)
{
tempFrame = VuforiaRenderer.Instance.VideoBackgroundTexture; // 取到一帧
BackgroundPlaneBehaviour vuforiaBackgroundPlane = FindObjectOfType <BackgroundPlaneBehaviour>(); //获取屏幕
if (vuforiaBackgroundPlane != null)
{
vuforiaBackgroundPlane.GetComponent <Renderer>().material.mainTexture = tempFrame;
}
}
}
// 在OCR与API1返回正确的结果后进入
if (ocrThreadFlag)
{
ocrThreadFlag = false; // 线程结束收到，将线程标志位复原
tipsText.text = "";
// 获取关键词数量
JsonData resultJson = JsonMapper.ToObject(OCR_RESULT);
JsonData resultsNum = resultJson["result_num"];
int wordsNum = int.Parse(resultsNum.ToString());
if (wordsNum == 0)
{
tipsText.text = "对不起，您拍摄的页面没有识别到关键词\n请尝试重新拍摄";
}
else
{
GetResult(wordsNum); // 获取关键词位置
cubeButton = new GameObject[wordsNum]; // 生成Collider Button的数组
for (int c = 0; c < wordsNum; c++) // 实例化Collider Button
{
cubeButton[c] = Instantiate(cubeButtonPrefab);
cubeButton[c].name = c.ToString();
cubeButton[c].tag = "CubeButton";
}
// 初始跟踪框坐标与框
xyLow = new Point(points[0], points[1]);
xyHigh = new Point(points[2], points[3]);
trackingWindow = new Rect2d(xyLow, xyHigh);
// 创建各种图像资源的引用
if (VuforiaRenderer.Instance != null && VuforiaRenderer.Instance.VideoBackgroundTexture != null)
{
tempFrame = VuforiaRenderer.Instance.VideoBackgroundTexture; // 取帧Texture
trackingFrameOld = new Texture2D(tempFrame.width, tempFrame.height, TextureFormat.RGB24, false); // 取帧Texture2D
Utils.textureToTexture2D(tempFrame, trackingFrameOld);
trackingFrame = new Mat(trackingFrameOld.height, trackingFrameOld.width, CvType.CV_8UC3); // 构造Mat
trackingFrameGray = new Mat(trackingFrameOld.height, trackingFrameOld.width, CvType.CV_8UC1); // 灰度图Mat
trackingFrameNew = new Texture2D(trackingFrame.cols(), trackingFrame.rows(), TextureFormat.RGB24, false); // 初始化新的Vuforia帧
}
TrackingFlag = 1; // 将TrackingFlag置1，开启识别模式
}
}
// OCR确定关键词信息和追踪区域后初始化Tracker时调用
if (TrackingFlag == 1 && TimeFlag == TIMEFLAG)
{
if (VuforiaRenderer.Instance != null && VuforiaRenderer.Instance.VideoBackgroundTexture != null)
{
tempFrame = VuforiaRenderer.Instance.VideoBackgroundTexture; // 取到一帧
Utils.textureToTexture2D(tempFrame, trackingFrameOld);
Utils.texture2DToMat(trackingFrameOld, trackingFrame, true, -1); // 将帧转换成Mat处理
Imgproc.cvtColor(trackingFrame, trackingFrameGray, Imgproc.COLOR_BGR2GRAY); // 转化成灰度图计算
trackers = TrackerMOSSE.create();
if (trackers.init(trackingFrameGray, trackingWindow)) // 初始化追踪
{
DrawTrackingAndButton(); // 绘制关键词的追踪框和button
Utils.matToTexture2D(trackingFrame, trackingFrameNew, true, -1); // 将Mat格式的frame转换成Texture2D
BackgroundPlaneBehaviour vuforiaBackgroundPlane = FindObjectOfType <BackgroundPlaneBehaviour>(); // 获取屏幕
if (vuforiaBackgroundPlane != null)
{
vuforiaBackgroundPlane.GetComponent <Renderer>().material.mainTexture = trackingFrameNew; // 绘制处理后的图像
TrackingFlag = 2; // 更新flag到更新格式
TimeFlag = 1; // time标志位归一
startButton.SetActive(false);
restartButton.SetActive(true);
}
}
}
}
// Tracker初始化正常，追踪阶段（更新Tracker阶段）调用
if (TrackingFlag == 2 && TimeFlag == TIMEFLAG)
{
if (VuforiaRenderer.Instance != null && VuforiaRenderer.Instance.VideoBackgroundTexture != null)
{
tempFrame = VuforiaRenderer.Instance.VideoBackgroundTexture; // 取到一帧
Utils.textureToTexture2D(tempFrame, trackingFrameOld);
Utils.texture2DToMat(trackingFrameOld, trackingFrame, true, -1); // 将帧转换成Mat处理
Imgproc.cvtColor(trackingFrame, trackingFrameGray, Imgproc.COLOR_BGR2GRAY);
if (trackers.update(trackingFrameGray, trackingWindow)) // 更新追踪器
{
TimeFlag = 1;
// 计算新的追踪框的位置
xyLow.x = trackingWindow.x;
xyLow.y = trackingWindow.y;
xyHigh.x = trackingWindow.x + trackingWindow.width;
xyHigh.y = trackingWindow.y + trackingWindow.height;
DrawTrackingAndButton();
if (Input.GetMouseButton(0))
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit))
{
GameObject clickedGameObject = hit.collider.gameObject;
if (clickedGameObject.tag == "CubeButton")
{
int clickedName = int.Parse(clickedGameObject.name);
InitializeGroundPlane(items[clickedName]);
}
}
}
Utils.matToTexture2D(trackingFrame, trackingFrameNew, true, -1); // 将Mat格式的frame转换成Texture2D
BackgroundPlaneBehaviour vuforiaBackgroundPlane = FindObjectOfType <BackgroundPlaneBehaviour>(); // 获取屏幕
if (vuforiaBackgroundPlane != null)
{
vuforiaBackgroundPlane.GetComponent <Renderer>().material.mainTexture = trackingFrameNew; // 绘制处理后的图像
}
}
}
}
// 每次time标志位没有到达TIMEFLAG值的时候正常刷新
if (TimeFlag != TIMEFLAG && TrackingFlag != 3 && TrackingFlag != 0)
{
TimeFlag++;
if (VuforiaRenderer.Instance != null && VuforiaRenderer.Instance.VideoBackgroundTexture != null)
{
tempFrame = VuforiaRenderer.Instance.VideoBackgroundTexture; // 取到一帧
Utils.textureToTexture2D(tempFrame, trackingFrameOld);
Utils.texture2DToMat(trackingFrameOld, trackingFrame, true, -1); // 将帧转换成Mat处理
DrawTrackingAndButton();
if (Input.GetMouseButton(0))
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit))
{
GameObject clickedGameObjectHere = hit.collider.gameObject;
if (clickedGameObjectHere.tag == "CubeButton")
{
int clickedName = int.Parse(clickedGameObjectHere.name);
InitializeGroundPlane(items[clickedName]);
}
}
}
Utils.matToTexture2D(trackingFrame, trackingFrameNew, true, -1); // 将Mat格式的frame转换成Texture2D
BackgroundPlaneBehaviour vuforiaBackgroundPlane = FindObjectOfType <BackgroundPlaneBehaviour>(); //获取屏幕
if (vuforiaBackgroundPlane != null)
{
vuforiaBackgroundPlane.GetComponent <Renderer>().material.mainTexture = trackingFrameNew;
}
}
}
// 用户确定查看关键词，进入AR阶段
if (TrackingFlag == 3)
{
if (VuforiaRenderer.Instance != null && VuforiaRenderer.Instance.VideoBackgroundTexture != null)
{
tempFrame = VuforiaRenderer.Instance.VideoBackgroundTexture; // 取到一帧
BackgroundPlaneBehaviour vuforiaBackgroundPlane = FindObjectOfType <BackgroundPlaneBehaviour>(); //获取屏幕
if (vuforiaBackgroundPlane != null)
{
vuforiaBackgroundPlane.GetComponent <Renderer>().material.mainTexture = tempFrame;
}
}
// 点击球的逻辑
if (Input.GetMouseButton(0))
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit))
{
clickedSphere = hit.collider.gameObject;
int sKey = clickedSphere.GetInstanceID();
Dictionary <int, string[]> sValue;
if (leaves.TryGetValue(sKey, out sValue))
{
GameObject fatherGameObject = clickedSphere.transform.parent.gameObject;
platformPoint = fatherGameObject.GetComponentsInChildren <MyPlatformPoint>()[0].gameObject.transform;
scrollView.gameObject.SetActive(true);
// 先销毁所有content下的button
OnMessageButtonClicked[] buttonsInContent = content.GetComponentsInChildren <OnMessageButtonClicked>();
for (int b = 0; b < buttonsInContent.Length; b++)
{
Destroy(buttonsInContent[b].gameObject);
}
int num = sValue.Count;
content.GetComponents <RectTransform>()[0].anchoredPosition3D = new Vector3(0, 0, 0);
content.GetComponents <RectTransform>()[0].sizeDelta = new Vector2(0, 50 * num + 25);
textButton = new Button[num];
int h = 0;
foreach (int messageKey in sValue.Keys)
{
textButton[h] = Instantiate(textMessagePrefab);
textButton[h].transform.parent = content.transform;
textButton[h].GetComponentsInChildren <Text>()[0].text = sValue[messageKey][0];
textButton[h].GetComponents <RectTransform>()[0].anchoredPosition3D = new Vector3(0, h * (-50) - 10, 0);
OnMessageButtonClicked onMessageButton = textButton[h].GetComponents <OnMessageButtonClicked>()[0];
onMessageButton.messageValue = sValue[messageKey][1];
h++;
}
clickedFlag = true; // 将点击球标志位置为true
}
}
}
// 如果点击中了一个球
if (clickedFlag)
{
screenPos = Camera.main.WorldToScreenPoint(platformPoint.position);
RectTransform rectTrans = scrollView.GetComponent <RectTransform>();
rectTrans.position = screenPos;
}
// 手势控制
if (Input.touchCount <= 0)
{
return;
}
// 手势控制
//单点触摸控制旋转
if (1 == Input.touchCount)
{
Touch touch = Input.GetTouch(0);
Vector2 deltaPos = touch.deltaPosition;
treeTransform.Rotate(Vector3.down * deltaPos.x / ROTATE_FECTOR, Space.World);
}
//多点触摸控制防缩
Touch newTouch1 = Input.GetTouch(0);
Touch newTouch2 = Input.GetTouch(1);
if (newTouch2.phase == TouchPhase.Began)
{
oldTouch2 = newTouch2;
oldTouch1 = newTouch1;
return;
}
float oldDistance = Vector2.Distance(oldTouch1.position, oldTouch2.position);
float newDistance = Vector2.Distance(newTouch1.position, newTouch2.position);
float offset = newDistance - oldDistance;
float scaleFactor = offset / SCALE_FECTOR;
Vector3 localScale = treeTransform.localScale;
Vector3 scale = new Vector3(localScale.x + scaleFactor, localScale.y + scaleFactor, localScale.z + scaleFactor);
if (scale.x > SCALE_MIN_FECTOR && scale.y > SCALE_MIN_FECTOR && scale.z > SCALE_MIN_FECTOR && scale.x < SCALE_MAX_FECTOR && scale.y < SCALE_MAX_FECTOR && scale.z < SCALE_MAX_FECTOR)
{
treeTransform.localScale = scale;
}
oldTouch1 = newTouch1;
oldTouch2 = newTouch2;
}
}