OVRComposition.cs
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/************************************************************************************
Copyright : Copyright (c) Facebook Technologies, LLC and its affiliates. All rights reserved.
Your use of this SDK or tool is subject to the Oculus SDK License Agreement, available at
https://developer.oculus.com/licenses/oculussdk/
Unless required by applicable law or agreed to in writing, the Utilities SDK distributed
under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express or implied. See the License for the specific language governing
permissions and limitations under the License.
************************************************************************************/
#if UNITY_ANDROID && !UNITY_EDITOR
#define OVR_ANDROID_MRC
#endif
using UnityEngine;
using System.Collections;
#if UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN || UNITY_ANDROID
public abstract class OVRComposition {
public bool cameraInTrackingSpace = false;
public OVRCameraRig cameraRig = null;
protected OVRComposition(GameObject parentObject, Camera mainCamera, OVRMixedRealityCaptureConfiguration configuration) {
RefreshCameraRig(parentObject, mainCamera);
}
public abstract OVRManager.CompositionMethod CompositionMethod();
public abstract void Update(GameObject gameObject, Camera mainCamera, OVRMixedRealityCaptureConfiguration configuration, OVRManager.TrackingOrigin trackingOrigin);
public abstract void Cleanup();
public virtual void RecenterPose() { }
protected bool usingLastAttachedNodePose = false;
protected OVRPose lastAttachedNodePose = new OVRPose(); // Sometimes the attach node pose is not readable (lose tracking, low battery, etc.) Use the last pose instead when it happens
public void RefreshCameraRig(GameObject parentObject, Camera mainCamera)
{
OVRCameraRig cameraRig = mainCamera.GetComponentInParent<OVRCameraRig>();
if (cameraRig == null)
{
cameraRig = parentObject.GetComponent<OVRCameraRig>();
}
cameraInTrackingSpace = (cameraRig != null && cameraRig.trackingSpace != null);
this.cameraRig = cameraRig;
Debug.Log(cameraRig == null ? "[OVRComposition] CameraRig not found" : "[OVRComposition] CameraRig found");
}
public OVRPose ComputeCameraWorldSpacePose(OVRPlugin.CameraExtrinsics extrinsics)
{
OVRPose trackingSpacePose = ComputeCameraTrackingSpacePose(extrinsics);
OVRPose worldSpacePose = OVRExtensions.ToWorldSpacePose(trackingSpacePose);
return worldSpacePose;
}
public OVRPose ComputeCameraTrackingSpacePose(OVRPlugin.CameraExtrinsics extrinsics)
{
OVRPose trackingSpacePose = new OVRPose();
OVRPose cameraTrackingSpacePose = extrinsics.RelativePose.ToOVRPose();
#if OVR_ANDROID_MRC
OVRPose stageToLocalPose = OVRPlugin.GetTrackingTransformRelativePose(OVRPlugin.TrackingOrigin.Stage).ToOVRPose();
cameraTrackingSpacePose = stageToLocalPose * cameraTrackingSpacePose;
#endif
trackingSpacePose = cameraTrackingSpacePose;
if (extrinsics.AttachedToNode != OVRPlugin.Node.None && OVRPlugin.GetNodePresent(extrinsics.AttachedToNode))
{
if (usingLastAttachedNodePose)
{
Debug.Log("The camera attached node get tracked");
usingLastAttachedNodePose = false;
}
OVRPose attachedNodePose = OVRPlugin.GetNodePose(extrinsics.AttachedToNode, OVRPlugin.Step.Render).ToOVRPose();
lastAttachedNodePose = attachedNodePose;
trackingSpacePose = attachedNodePose * trackingSpacePose;
}
else
{
if (extrinsics.AttachedToNode != OVRPlugin.Node.None)
{
if (!usingLastAttachedNodePose)
{
Debug.LogWarning("The camera attached node could not be tracked, using the last pose");
usingLastAttachedNodePose = true;
}
trackingSpacePose = lastAttachedNodePose * trackingSpacePose;
}
}
return trackingSpacePose;
}
}
#endif