public static void GetPositionalTrackingCameraProperties(
ref Vector3 position,
ref Quaternion rotation,
ref float cameraHFov,
ref float cameraVFov,
ref float cameraNearZ,
ref float cameraFarZ)
{
OVRPose ss = OVRManager.tracker.GetPose(0.0f);
rotation = new Quaternion(ss.orientation.x,
ss.orientation.y,
ss.orientation.z,
ss.orientation.w);
position = new Vector3(ss.position.x, // meters
ss.position.y,
ss.position.z);
OVRTracker.Frustum ff = OVRManager.tracker.frustum;
cameraHFov = ff.fov.x; // degrees
cameraVFov = ff.fov.y; // degrees
cameraNearZ = ff.nearZ; // meters
cameraFarZ = ff.farZ; // meters
}
bool GetIRCamera(ref Vector3 position,
ref Quaternion rotation,
ref float cameraHFov,
ref float cameraVFov,
ref float cameraNearZ,
ref float cameraFarZ)
{
//if (!OVRManager.isSupportedPlatform || Hmd==null) return false;
/*
* ovrTrackingState ss = OVRDevice.HMD.GetTrackingState();
*
* rotation = new Quaternion( ss.CameraPose.Orientation.x,
* ss.CameraPose.Orientation.y,
* ss.CameraPose.Orientation.z,
* ss.CameraPose.Orientation.w);
*
* position = new Vector3( ss.CameraPose.Position.x,
* ss.CameraPose.Position.y,
* ss.CameraPose.Position.z);
*/
OVRPose ss = OVRManager.tracker.GetPose();
rotation = new Quaternion(ss.orientation.x,
ss.orientation.y,
ss.orientation.z,
ss.orientation.w);
position = new Vector3(ss.position.x,
ss.position.y,
ss.position.z);
OVRTracker.Frustum ff = OVRManager.tracker.GetFrustum();
cameraHFov = ff.fov.x * (float)Mathf.PI / 180.0f;
cameraVFov = ff.fov.y * (float)Mathf.PI / 180.0f;
cameraNearZ = ff.nearZ;
cameraFarZ = ff.farZ;
/*
* HmdDesc desc = Hmd.HmdDesc();
*
* cameraHFov = desc.CameraFrustumHFovInRadians;
* cameraVFov = desc.CameraFrustumVFovInRadians;
* cameraNearZ = desc.CameraFrustumNearZInMeters;
* cameraFarZ = desc.CameraFrustumFarZInMeters;
*/
//OVRDevice.OrientSensor (ref rotation);
return(true);
}
/// <summary>
/// Computes frustum planes from the sensor's frustum parameters.
/// </summary>
void ComputePlanes()
{
OVRTracker.Frustum frustum = OVRManager.tracker.GetFrustum();
float nearZ = frustum.nearZ;
float farZ = frustum.farZ;
float hFOV = Mathf.Deg2Rad * frustum.fov.x * 0.5f;
float vFOV = Mathf.Deg2Rad * frustum.fov.y * 0.5f;
float sx = Mathf.Sin(hFOV);
float sy = Mathf.Sin(vFOV);
plane[0] = new Plane(Vector3.zero, farZ * new Vector3(sx, sy, 1f), farZ * new Vector3(sx, -sy, 1f)); // right
plane[1] = new Plane(Vector3.zero, farZ * new Vector3(-sx, -sy, 1f), farZ * new Vector3(-sx, sy, 1f)); // left
plane[2] = new Plane(Vector3.zero, farZ * new Vector3(-sx, sy, 1f), farZ * new Vector3(sx, sy, 1f)); // top
plane[3] = new Plane(Vector3.zero, farZ * new Vector3(sx, -sy, 1f), farZ * new Vector3(-sx, -sy, 1f)); // bottom
plane[4] = new Plane(farZ * new Vector3(sx, sy, 1f), farZ * new Vector3(-sx, sy, 1f), farZ * new Vector3(-sx, -sy, 1f)); // far
plane[5] = new Plane(nearZ * new Vector3(-sx, -sy, 1f), nearZ * new Vector3(-sx, sy, 1f), nearZ * new Vector3(sx, sy, 1f)); // near
}
// called after camera finishes rendering scene
// render tracker frustum
void OnRenderObject()
{
if (!OVRManager.tracker.isPresent)
{
return;
}
OVRTracker.Frustum frustum = OVRManager.tracker.GetFrustum();
float nearZ = frustum.nearZ;
float farZ = frustum.farZ;
float hFOV = Mathf.Deg2Rad * frustum.fov.x * 0.5f;
float vFOV = Mathf.Deg2Rad * frustum.fov.y * 0.5f;
float sx = Mathf.Sin(hFOV);
float sy = Mathf.Sin(vFOV);
// get tracker pose
OVRPose trackerPose = OVRManager.tracker.GetPose(0);
Matrix4x4 trackerMat = Matrix4x4.TRS(trackerPose.position, trackerPose.orientation, Vector3.one);
// draw frustum
GL.PushMatrix();
GL.MultMatrix(trackerMat);
Color col = OVRManager.tracker.isPositionTracked ? color : errorColor;
// draw camera
if (drawCamera)
{
cameraDisplaySize = Mathf.Clamp(cameraDisplaySize, 0.0f, nearZ);
DrawFrustumWire(sx, sy, 0.0f, cameraDisplaySize, lineMaterial, col);
}
if (wireframe)
{
DrawFrustumWire(sx, sy, nearZ, farZ, lineMaterial, col);
}
else
{
DrawFrustumSolid(sx, sy, nearZ, farZ, solidMaterial, col);
}
GL.PopMatrix();
}
