void LateUpdate()
{
// to this only once per frame, not for both cameras
if (IsLeft)
{
if (mLeftCameraDataAcquired && mRightCameraDataAcquired)
{
// make sure the central anchor point is set to the latest head tracking pose:
DigitalEyewearBehaviour.Instance.CentralAnchorPoint.localRotation = mLeftCamera.transform.localRotation;
DigitalEyewearBehaviour.Instance.CentralAnchorPoint.localPosition = mLeftCamera.transform.localPosition;
// temporarily set the primary and secondary cameras to their offset position and set the pixelrect they will have for rendering
Vector3 localPosLeftCam = mLeftCamera.transform.localPosition;
Rect leftCamPixelRect = mLeftCamera.pixelRect;
Vector3 leftCamOffset = mLeftCamera.transform.right.normalized * mLeftCamera.stereoSeparation * -0.5f;
mLeftCamera.transform.position = mLeftCamera.transform.position + leftCamOffset;
mLeftCamera.pixelRect = mLeftCameraPixelRect;
Vector3 localPosRightCam = mRightCamera.transform.localPosition;
Rect rightCamPixelRect = mRightCamera.pixelRect;
Vector3 rightCamOffset = mRightCamera.transform.right.normalized * mRightCamera.stereoSeparation * 0.5f;
mRightCamera.transform.position = mRightCamera.transform.position + rightCamOffset;
mRightCamera.pixelRect = mRightCameraPixelRect;
BackgroundPlaneBehaviour bgPlane = mLeftCamera.GetComponentInChildren <BackgroundPlaneBehaviour>();
bgPlane.BackgroundOffset = mLeftCamera.transform.position - DigitalEyewearBehaviour.Instance.CentralAnchorPoint.position;
mLeftExcessAreaBehaviour.PlaneOffset = mLeftCamera.transform.position - DigitalEyewearBehaviour.Instance.CentralAnchorPoint.position;
mRightExcessAreaBehaviour.PlaneOffset = mRightCamera.transform.position - DigitalEyewearBehaviour.Instance.CentralAnchorPoint.position;
if (TrackableParent != null)
{
TrackableParent.localPosition = Vector3.zero;
}
// update Vuforia explicitly
VuforiaBehaviour.Instance.UpdateState(false, true);
if (TrackableParent != null)
{
TrackableParent.position += bgPlane.BackgroundOffset;
}
// set the projection matrices for skewing
VuforiaBehaviour.Instance.ApplyCorrectedProjectionMatrix(mLeftCameraMatrixOriginal, true);
VuforiaBehaviour.Instance.ApplyCorrectedProjectionMatrix(mRightCameraMatrixOriginal, false);
#if !(UNITY_5_2 || UNITY_5_1 || UNITY_5_0) // UNITY_5_3 and above
// read back the projection matrices set by Vuforia and set them to the stereo cameras
// not sure if the matrices would automatically propagate between the left and right, so setting it explicitly twice
mLeftCamera.SetStereoProjectionMatrices(mLeftCamera.projectionMatrix, mRightCamera.projectionMatrix);
mRightCamera.SetStereoProjectionMatrices(mLeftCamera.projectionMatrix, mRightCamera.projectionMatrix);
#endif
// reset the left camera
mLeftCamera.transform.localPosition = localPosLeftCam;
mLeftCamera.pixelRect = leftCamPixelRect;
// reset the position of the right camera
mRightCamera.transform.localPosition = localPosRightCam;
mRightCamera.pixelRect = rightCamPixelRect;
}
}
}
