///////////////////////////////////////////////////////////
// VISION FUNCTIONS
///////////////////////////////////////////////////////////
/// <summary>
/// Mainly to be used to reset camera position orientation
/// camOffset will move the center eye position to an optimal location
/// clampX/Y/Z will zero out the offset that is used (restricts offset in a given axis)
/// </summary>
/// <param name="camOffset">Cam offset.</param>
/// <param name="clampX">If set to <c>true</c> clamp x.</param>
/// <param name="clampY">If set to <c>true</c> clamp y.</param>
/// <param name="clampZ">If set to <c>true</c> clamp z.</param>
static public void ResetCameraPositionOrientation(ref Vector3 camOffset,
bool clampX, bool clampY, bool clampZ)
{
Vector3 camPos = Vector3.zero;
Quaternion camO = Quaternion.identity;
OVRDevice.GetCameraPositionOrientation(ref camPos, ref camO);
// Set position offset
CameraPositionOffset = camPos;
// restrict offset in the desired axis
if (clampX == true)
{
CameraPositionOffset.x = 0.0f;
}
if (clampY == true)
{
CameraPositionOffset.y = 0.0f;
}
if (clampZ == true)
{
CameraPositionOffset.z = 0.0f;
}
// Adjust for optimal offset from zero (for eye position from neck etc.)
CameraPositionOffset -= camOffset;
}
/// <summary>
/// Mainly to be used to reset camera position orientation
/// camOffset will move the center eye position to an optimal location
/// clampX/Y/Z will zero out the offset that is used (restricts offset in a given axis)
/// </summary>
/// <param name="posScale">Scale for positional change.</param>
/// <param name="posOffset">Positional offset.</param>
/// <param name="posOffset">Positional offset.</param>
/// <param name="posOffset">Positional offset.</param>
static public void ResetCameraPositionOrientation(Vector3 posScale, Vector3 posOffset, Vector3 ortScale, Vector3 ortOffset)
{
Vector3 camPos = Vector3.zero;
Quaternion camO = Quaternion.identity;
OVRDevice.GetCameraPositionOrientation(ref camPos, ref camO, OVRDevice.PredictionTime);
CameraPositionOffset = Vector3.Scale(camPos, posScale) - posOffset;
Vector3 euler = Quaternion.Inverse(camO).eulerAngles;
CameraOrientationOffset = Quaternion.Euler(Vector3.Scale(euler, ortScale) - ortOffset);
}
/// <summary>
/// Enables the yaw correction.
/// </summary>
void EnableYawCorrection()
{
OVRDevice.EnableMagYawCorrection(true);
// All set, we can update the geometry with camera and positon values
Quaternion q = Quaternion.identity;
Vector3 o = Vector3.zero; // This is not used
if (CameraController != null)
{
OVRDevice.GetCameraPositionOrientation(ref o, ref q);
}
CurEulerRef = q.eulerAngles;
}
/// <summary>
/// Updates the geometry.
/// </summary>
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;
Vector3 o = Vector3.zero; // This is not used
if (CameraController != null)
{
OVRDevice.GetCameraPositionOrientation(ref o, 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.red;
GeometryReferenceMarkMat.SetColor("_Color", c);
}
}
/// <summary>
/// Sets the camera orientation.
/// </summary>
void SetCameraOrientation()
{
#if (!UNITY_ANDROID || UNITY_EDITOR)
// Main camera has a depth of 0, so it will be rendered first
if (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
// NOTE: This calculation is one frame behind
if (CameraController.TrackerRotatesY == true)
{
Vector3 a = camera.transform.rotation.eulerAngles;
a.x = 0;
a.z = 0;
transform.parent.transform.eulerAngles = a;
}
/*
* else
* {
* // We will still rotate the CameraController in the y axis
* // based on the fact that we have a Y rotation being passed
* // in from above that still needs to take place (this functionality
* // may be better suited to be calculated one level up)
* Vector3 a = Vector3.zero;
* float y = 0.0f;
* CameraController.GetYRotation(ref y);
* a.y = y;
* gameObject.transform.parent.transform.eulerAngles = a;
* }
*/
// Get camera orientation and position from vision
Quaternion camOrt = Quaternion.identity;
Vector3 camPos = Vector3.zero;
OVRDevice.GetCameraPositionOrientation(ref camPos, ref camOrt);
if (CameraController.EnablePosition)
{
CameraPosition = camPos;
}
bool useOrt = (CameraController.EnableOrientation && !(CameraController.TimeWarp && CameraController.FreezeTimeWarp));
if (useOrt)
{
SampleStartRotation();
CameraOrientation = camOrt;
}
// This needs to go as close to reading Rift orientation inputs
OVRDevice.ProcessLatencyInputs();
}
// Calculate the rotation Y offset that is getting updated externally
// (i.e. like a controller rotation)
float yRotation = 0.0f;
float xRotation = 0.0f;
CameraController.GetYRotation(ref yRotation);
CameraController.GetXRotation(ref xRotation);
Quaternion qp = Quaternion.Euler(xRotation, yRotation, 0.0f);
Vector3 dir = qp * Vector3.forward;
qp.SetLookRotation(dir, Vector3.up);
// Multiply the camera controllers offset orientation (allow follow of orientation offset)
Quaternion orientationOffset = Quaternion.identity;
CameraController.GetOrientationOffset(ref orientationOffset);
qp = orientationOffset * qp * CameraOrientationOffset;
// Multiply in the current HeadQuat (q is now the latest best rotation)
Quaternion q = qp * CameraOrientation;
// * * *
// Update camera rotation
camera.transform.rotation = q;
// * * *
// Update camera position (first add Offset to parent transform)
camera.transform.localPosition = NeckPosition;
// Adjust neck by taking eye position and transforming through q
// Get final camera position as well as the clipping difference
// (to allow for absolute location of center of camera grid space)
Vector3 newCamPos = Vector3.zero;
CameraPositionOffsetAndClip(ref CameraPosition, ref newCamPos);
// Update list of game objects with new CameraOrientation / newCamPos here
// For example, this location is used to update the GridCube
foreach (OVRCameraGameObject obj in CameraLocalSetList)
{
if (obj.CameraController.GetCameraDepth() == camera.depth)
{
// Initial difference
Vector3 newPos = -(qp * CameraPositionOffset);
// Final position
newPos += camera.transform.position;
// Set the game object info
obj.CameraGameObject.transform.position = newPos;
obj.CameraGameObject.transform.rotation = qp;
}
}
// Adjust camera position with offset/clipped cam location
camera.transform.localPosition += Quaternion.Inverse(camera.transform.parent.rotation) * qp * newCamPos;
// PGG: Call delegate function with new CameraOrientation / newCamPos here
// This location will be used to update the arrow pointer
// NOTE: Code below might not be needed. Please Look at OVRVisionGuide for potential
// location for arrow pointer
/*
* // This will set the orientation of the arrow
* if (camera.depth == 2.0f)
* {
* // Set the location of the top node to follow the camera
* OVRMainMenu.PointerSetPosition(camera.transform.position);
* OVRMainMenu.PointerSetOrientation(camera.transform.rotation);
* Quaternion foo = Quaternion.LookRotation(-CameraPosition);
* OVRMainMenu.PointerRotatePointerGeometry(qp * foo);
* }
*/
// move eyes out by x (IPD)
Vector3 newEyePos = Vector3.zero;
newEyePos.x = EyePosition.x;
camera.transform.localPosition += camera.transform.localRotation * newEyePos;
#else
// NOTE: On Android, camera orientation is set from OVRCameraController Update()
#endif
}