//Limit the maximum moving speed to prevent the window from shaking too much
public Vector3 ApplyMaxSpeedLimit(Vector3 fa, Vector3 fb, float t)
{
if (fa.Equals(fb))
{
return(fa);
}
var originSize = new Vector2(videoPlayer.targetTexture.width, videoPlayer.targetTexture.height);
int downsampleWidth, downsampleHeight;
opticalFlowCamerasController.GetDownsampleSize(out downsampleWidth, out downsampleHeight);
var cameraCalculate = manager.cameraCalculate;
cameraCalculate.transform.forward = fa;
var ea = cameraCalculate.transform.eulerAngles;
var pa = panelVideoController.EulerAngleToPixel(ea);
pa = opticalFlowCamerasController.PixelToOriginPixelFloatValue(pa, originSize, new Vector2(downsampleWidth, downsampleHeight));
cameraCalculate.transform.forward = fb;
var eb = cameraCalculate.transform.eulerAngles;
var pb = panelVideoController.EulerAngleToPixel(eb);
pb = opticalFlowCamerasController.PixelToOriginPixelFloatValue(pb, originSize, new Vector2(downsampleWidth, downsampleHeight));
var v = opticalFlowCamerasController.GetVector2Of2Pixels(pa, pb, downsampleWidth);
if (v.magnitude == 0)
{
return(fa);
}
v = v / v.magnitude * Mathf.Min(maxSpeed * t, v.magnitude);
Debug.Log("ApplyMaxSpeedLimit");
Debug.Log(string.Format("t:{0}, v: {1}", t, v));
var p = pa + v;
OpticalFlowCamerasController.NormalizePixelInRange(ref p.x, ref p.y, downsampleWidth, downsampleHeight);
return(panelVideoController.PixelToVector3(opticalFlowCamerasController.PixelToOriginPixelFloatValue(p, new Vector2(downsampleWidth, downsampleHeight), originSize)));
}
public void ChangeSelectedCamIdByCamId(int camId)
{
Debug.Log("ChangeSelectedCamIdByCamId: " + camId);
if (camId == nextCameraId)
{
return;
}
var nowFrame = (int)videoPlayer.frame;
var totalFrame = videoPlayer.frameCount;
int totalKeyFrame = smoothPath[0].Count;
var beginKeyFrame = GetCurrentKeyFrame();
if (ifCloseCameraWindow[camId][beginKeyFrame])
{
return;
}
var originSize = new Vector2(videoPlayer.targetTexture.width, videoPlayer.targetTexture.height);
int downsampleWidth, downsampleHeight;
opticalFlowCamerasController.GetDownsampleSize(out downsampleWidth, out downsampleHeight);
var downsampleSize = new Vector2(downsampleWidth, downsampleHeight);
var nowDownsamplePixel = opticalFlowCamerasController.PixelToOriginPixelFloatValue(panelVideoController.EulerAngleToPixel(mainNFOVCamera.transform.eulerAngles), originSize, downsampleSize);
bool ifGetNextCam = false;
var minV = new Vector2(1e9f, 1e9f);
int newNowFrame = (int)videoPlayer.frame;
Debug.Log("newNowFrame: " + newNowFrame);
int nextCameraIdTmp = 0;
int nextJustOkCamIdTmp = 0;
float justOkV = 1e9f;
int justOkKeyFrame = Mathf.Min(totalKeyFrame - 1, beginKeyFrame + 1);
for (int i = beginKeyFrame + 1; i < Mathf.Min(totalKeyFrame, beginKeyFrame + maxTransferKeyFrameNum); i++)
{
int frameNum = KeyFrameToFrame(i) - nowFrame;
if (frameNum < 0)
{
continue;
}
float timeGap = frameNum / videoPlayer.frameRate;
if (nextCameraId == nowCameraId && nowCameraId == camId)
{
continue;
}
var path = opticalFlowCamerasController.smoothPath[camId];
var futureDownsamplePixel = path[i];
var v = GetVector2Of2Pixels(nowDownsamplePixel, futureDownsamplePixel, downsampleWidth, -1) / timeGap;
if (v.magnitude <= moveMaxPixelSpeed)
{
if (v.magnitude < minV.magnitude)
{
nextCameraIdTmp = camId;
ifGetNextCam = true;
minV = v;
}
}
else
{
if (justOkV > v.magnitude)
{
justOkV = v.magnitude;
nextJustOkCamIdTmp = camId;
justOkKeyFrame = i;
}
}
if (ifGetNextCam)
{
ChangeHintFrameStatus(nextCameraId, false);
ChangeHintFrameStatus(nextCameraIdTmp, true);
nextCameraId = nextCameraIdTmp;
nextKeyFrame = i;
reachable = true;
selectedDirection = -1;
oldFrame = nowFrame;
var nextFrame = KeyFrameToFrame(nextKeyFrame);
if (nextFrame < nowFrame)
{
Debug.Log(string.Format("Strange!oldFrame:{0}, nowFrame:{1}, nextFrame:{2}", oldFrame, nowFrame, nextFrame));
}
transferSpeed = minV;
//ShowImageArrow();
break;
}
}
if (!ifGetNextCam)
{
ChangeHintFrameStatus(nextCameraId, false);
ChangeHintFrameStatus(nextJustOkCamIdTmp, true);
nextCameraId = nextJustOkCamIdTmp;
nextKeyFrame = justOkKeyFrame;
reachable = false;
selectedDirection = -1;
oldFrame = nowFrame;
transferSpeed = minV;
}
}
//The main view changes the selected camera ID
private void ChangeSelectedCamId(int direction)
{
//It is consistent with the currently selected camera ID
int totalKeyFrame = opticalFlowCamerasController.smoothPath[0].Count;
var nowFrame = (int)videoPlayer.frame;
var totalFrame = videoPlayer.frameCount;
Debug.Log("nowFrame: " + nowFrame);
Debug.Log("totalKeyFrame: " + totalKeyFrame);
Debug.Log("totalFrame: " + totalFrame);
int beginKeyFrame = Mathf.Min((int)((float)nowFrame * totalKeyFrame / totalFrame), totalKeyFrame - 1) + 1;
var originSize = new Vector2(videoPlayer.targetTexture.width, videoPlayer.targetTexture.height);
int downsampleWidth, downsampleHeight;
opticalFlowCamerasController.GetDownsampleSize(out downsampleWidth, out downsampleHeight);
var downsampleSize = new Vector2(downsampleWidth, downsampleHeight);
var nowDownsamplePixel = opticalFlowCamerasController.PixelToOriginPixelFloatValue(panelVideoController.EulerAngleToPixel(mainNFOVCamera.transform.eulerAngles), originSize, downsampleSize);
bool ifGetNextCam = false;
var minV = new Vector2(1e9f, 1e9f);
int newNowFrame = (int)videoPlayer.frame;
Debug.Log("newNowFrame: " + newNowFrame);
int nextCameraIdTmp = 0;
for (int i = beginKeyFrame; i < Mathf.Min(totalKeyFrame, beginKeyFrame + maxTransferKeyFrameNum); i++)
{
int frameNum = KeyFrameToFrame(i) - nowFrame;
if (frameNum < 0)
{
continue;
}
float timeGap = frameNum / videoPlayer.frameRate;
for (int camId = 0; camId < panelVideoController.cameraGroupNum; camId++)
{
if (nextCameraId == nowCameraId && nowCameraId == camId)
{
continue;
}
if (ifCloseCameraWindow != null && ifCloseCameraWindow[camId][i])
{
continue;
}
var path = opticalFlowCamerasController.smoothPath[camId];
var futureDownsamplePixel = path[i];
var v = GetVector2Of2Pixels(nowDownsamplePixel, futureDownsamplePixel, downsampleWidth, direction);
if (v.magnitude / timeGap <= moveMaxPixelSpeed)
{
bool ifOk = false;
switch (direction)
{
case 0:
ifOk = v.y < 0;
break;
case 1:
ifOk = v.y > 0;
break;
case 2:
ifOk = v.x < 0;
break;
case 3:
ifOk = v.x > 0;
break;
}
if (ifOk)
{
if (v.magnitude < minV.magnitude)
{
nextCameraIdTmp = camId;
ifGetNextCam = true;
minV = v;
}
}
}
}
if (ifGetNextCam)
{
panelVideoController.selectedHintFrames[nextCameraId].gameObject.SetActive(false);
panelVideoController.selectedHintFrames[nextCameraIdTmp].gameObject.SetActive(true);
nextCameraId = nextCameraIdTmp;
nextKeyFrame = i;
reachable = true;
selectedDirection = direction;
oldFrame = nowFrame;
var nextFrame = KeyFrameToFrame(nextKeyFrame);
if (nextFrame < nowFrame)
{
Debug.Log(string.Format("Strange!oldFrame:{0}, nowFrame:{1}, nextFrame:{2}", oldFrame, nowFrame, nextFrame));
}
ShowImageArrow();
break;
}
}
}
