// UpdateGeometry
public void UpdateGeometry()
{
if (MagShowGeometry == false)
{
return;
}
if (CameraController == null)
{
return;
}
if ((GeometryReference == null) || (GeometryCompass == null))
{
return;
}
// All set, we can update the geometry with camera and positon values
Quaternion q = Quaternion.identity;
if ((CameraController != null) && (CameraController.PredictionOn == true))
{
OVRDeviceImposter.GetPredictedOrientation(0, ref q);
}
else
{
OVRDeviceImposter.GetOrientation(0, ref q);
}
Vector3 v = GeometryCompass.transform.localEulerAngles;
v.y = -q.eulerAngles.y + CurEulerRef.y;
GeometryCompass.transform.localEulerAngles = v;
// Set the color of the marker to red if we are calibrating
if (GeometryReferenceMarkMat != null)
{
Color c = Color.green;
if (OVRDeviceImposter.IsMagYawCorrectionInProgress(0) == true)
{
c = Color.red;
}
GeometryReferenceMarkMat.SetColor("_Color", c);
}
}
// UpdateMagYawDriftCorrection
public void UpdateMagYawDriftCorrection()
{
if (Input.GetKeyDown(KeyCode.Z) == true)
{
if (MagCalState == MagCalibrationState.MagDisabled)
{
// Start calibration process
if (MagAutoCalibrate == true)
{
OVRDeviceImposter.BeginMagAutoCalibration(0);
MagCalState = MagCalibrationState.MagCalibrating;
}
else
{
// Go to pre-manual calibration state (to allow for
// setting refrence point)
MagCalState = MagCalibrationState.MagManualGetReady;
return;
}
}
else if (MagCalState == MagCalibrationState.MagManualGetReady)
{
OVRDeviceImposter.SetMagReference(0);
OVRDeviceImposter.EnableMagYawCorrection(0, true);
Quaternion q = Quaternion.identity;
if ((CameraController != null) && (CameraController.PredictionOn == true))
{
OVRDeviceImposter.GetPredictedOrientation(0, ref q);
}
else
{
OVRDeviceImposter.GetOrientation(0, ref q);
}
CurEulerRef = q.eulerAngles;
// Begin manual calibration
OVRDeviceImposter.BeginMagManualCalibration(0);
MagCalState = MagCalibrationState.MagCalibrating;
}
else
{
// Reset calibration process
if (MagAutoCalibrate == true)
{
OVRDeviceImposter.StopMagAutoCalibration(0);
}
else
{
OVRDeviceImposter.StopMagManualCalibration(0);
}
OVRDeviceImposter.EnableMagYawCorrection(0, false);
MagCalState = MagCalibrationState.MagDisabled;
// Do not show geometry
MagShowGeometry = false;
ShowGeometry(MagShowGeometry);
return;
}
}
// Check to see if calibration is completed
if (MagCalState == MagCalibrationState.MagCalibrating)
{
if (MagAutoCalibrate == true)
{
OVRDeviceImposter.UpdateMagAutoCalibration(0);
}
else
{
OVRDeviceImposter.UpdateMagManualCalibration(0);
}
if (OVRDeviceImposter.IsMagCalibrated(0) == true)
{
if (MagAutoCalibrate == true)
{
MagCalState = MagCalibrationState.MagCalibrated;
}
else
{
// Manual Calibration take account of having set the
// reference orientation.
MagCalState = MagCalibrationState.MagReady;
}
}
}
// If we are calibrated, we will set mag reference and
// enable yaw correction on a buton press
if ((MagCalState == MagCalibrationState.MagCalibrated) ||
(MagCalState == MagCalibrationState.MagReady))
{
if (Input.GetKeyDown(KeyCode.X) == true)
{
OVRDeviceImposter.SetMagReference(0);
OVRDeviceImposter.EnableMagYawCorrection(0, true);
MagCalState = MagCalibrationState.MagReady;
Quaternion q = Quaternion.identity;
if ((CameraController != null) && (CameraController.PredictionOn == true))
{
OVRDeviceImposter.GetPredictedOrientation(0, ref q);
}
else
{
OVRDeviceImposter.GetOrientation(0, ref q);
}
CurEulerRef = q.eulerAngles;
}
if ((MagCalState == MagCalibrationState.MagReady) &&
(Input.GetKeyDown(KeyCode.F6)))
{
// Toggle showing geometry either on or off
if (MagShowGeometry == false)
{
MagShowGeometry = true;
ShowGeometry(MagShowGeometry);
}
else
{
MagShowGeometry = false;
ShowGeometry(MagShowGeometry);
}
}
UpdateGeometry();
}
}
// SetCameraOrientation
void SetCameraOrientation()
{
Quaternion q = Quaternion.identity;
Vector3 dir = Vector3.forward;
// Main camera has a depth of 0, so it will be rendered first
if (gameObject.camera.depth == 0.0f)
{
// If desired, update parent transform y rotation here
// This is useful if we want to track the current location of
// of the head.
// TODO: Future support for x and z, and possibly change to a quaternion
if (CameraController.TrackerRotatesY == true)
{
Vector3 a = gameObject.camera.transform.rotation.eulerAngles;
a.x = 0;
a.z = 0;
gameObject.transform.parent.transform.eulerAngles = a;
}
// Read shared data from CameraController
if (CameraController != null)
{
// Read sensor here (prediction on or off)
if (CameraController.PredictionOn == false)
{
OVRDeviceImposter.GetOrientation(0, ref CameraOrientation);
}
else
{
OVRDeviceImposter.GetPredictedOrientation(0, ref CameraOrientation);
}
}
// This needs to go as close to reading Rift orientation inputs
OVRDeviceImposter.ProcessLatencyInputs();
}
// Calculate the rotation Y offset that is getting updated externally
// (i.e. like a controller rotation)
float yRotation = 0.0f;
CameraController.GetYRotation(ref yRotation);
q = Quaternion.Euler(0.0f, yRotation, 0.0f);
dir = q * Vector3.forward;
q.SetLookRotation(dir, Vector3.up);
// Multiply the camera controllers offset orientation (allow follow of orientation offset)
Quaternion orientationOffset = Quaternion.identity;
CameraController.GetOrientationOffset(ref orientationOffset);
q = orientationOffset * q;
// Multiply in the current HeadQuat (q is now the latest best rotation)
if (CameraController != null)
{
q = q * CameraOrientation;
}
// * * *
// Update camera rotation
gameObject.camera.transform.rotation = q;
// * * *
// Update camera position (first add Offset to parent transform)
gameObject.camera.transform.position =
gameObject.camera.transform.parent.transform.position + NeckPosition;
// Adjust neck by taking eye position and transforming through q
gameObject.camera.transform.position += q * EyePosition;
}