public void UpdateMainNFOVCamera()
{
if (opticalFlowCamerasController.smoothPath == null || !videoPlayer.isPlaying)
{
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);
int nowFrame = (int)videoPlayer.frame;
var cameraNFOVs = panelVideoController.cameraNFOVs;
var nextFrame = KeyFrameToFrame(nextKeyFrame);
//Debug.Log(string.Format("oldFrame: {0}, nowFrame: {1}, nextFrame: {2}", oldFrame, nowFrame, nextFrame));
if (nextCameraId >= 0)
{
if (nowFrame < nextFrame || !reachable)
{
var path = opticalFlowCamerasController.smoothPath[nextCameraId];
var mForward = mainNFOVCamera.transform.forward;
var desP = path[nextKeyFrame];
var nowP = opticalFlowCamerasController.PixelToOriginPixelFloatValue(panelVideoController.EulerAngleToPixel(mainNFOVCamera.transform.eulerAngles), originSize, downsampleSize);
//Debug.Log(string.Format("frames: {0}, nowP: {1}, Time.deltaTime:{2}", (nowFrame - oldFrame), nowP, Time.deltaTime));
var v = GetVector2Of2Pixels(nowP, desP, downsampleWidth, selectedDirection);
var pixelDistPerFrame = nextFrame - oldFrame <= 0 ? 1e9f : v.magnitude / (nextFrame - oldFrame);
pixelDistPerFrame = Mathf.Min(moveMaxPixelPerFrame, pixelDistPerFrame);
var theta = Mathf.Max((nowFrame - oldFrame) * pixelDistPerFrame, 0);
var nv = v.normalized;
//var nextP = nowP + new Vector2(nv.x * theta, nv.y * theta);
var nextP = nowP + Mathf.Min(transferSpeed.magnitude, moveMaxPixelSpeed) * Time.deltaTime * transferSpeed.normalized;//只用帧数的话会比较卡顿
OpticalFlowCamerasController.NormalizePixelInRange(ref nextP.x, ref nextP.y, downsampleWidth, downsampleHeight);
var newForward = panelVideoController.PixelToVector3(opticalFlowCamerasController.PixelToOriginPixelFloatValue(nextP, downsampleSize, originSize));
mainNFOVCamera.transform.forward = newForward;
manager.panoramaVideoController.UpdateTextMethodStatus(2);
mainNFOVCamera.Render();
}
else
{
mainNFOVCamera.transform.forward = cameraNFOVs[nextCameraId].transform.forward;
manager.panoramaVideoController.UpdateTextMethodStatus(2);
mainNFOVCamera.Render();
nextKeyFrame = -1;
nowCameraId = nextCameraId;
selectedDirection = -1;
}
}
oldFrame = nowFrame;
}
//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)));
}