forked from cgvr/DeltaVR
106 lines
3.9 KiB
C#
106 lines
3.9 KiB
C#
/************************************************************************************
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Copyright : Copyright (c) Facebook Technologies, LLC and its affiliates. All rights reserved.
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Licensed under the Oculus Master SDK License Version 1.0 (the "License"); you may not use
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the Utilities SDK except in compliance with the License, which is provided at the time of installation
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or download, or which otherwise accompanies this software in either electronic or hard copy form.
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You may obtain a copy of the License at
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https://developer.oculus.com/licenses/oculusmastersdk-1.0/
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Unless required by applicable law or agreed to in writing, the Utilities SDK distributed
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under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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ANY KIND, either express or implied. See the License for the specific language governing
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permissions and limitations under the License.
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************************************************************************************/
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#if UNITY_ANDROID && !UNITY_EDITOR
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#define OVR_ANDROID_MRC
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#endif
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using UnityEngine;
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using System.Collections;
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#if UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN || UNITY_ANDROID
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public abstract class OVRComposition {
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public bool cameraInTrackingSpace = false;
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public OVRCameraRig cameraRig = null;
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protected OVRComposition(GameObject parentObject, Camera mainCamera)
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{
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RefreshCameraRig(parentObject, mainCamera);
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}
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public abstract OVRManager.CompositionMethod CompositionMethod();
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public abstract void Update(GameObject gameObject, Camera mainCamera);
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public abstract void Cleanup();
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public virtual void RecenterPose() { }
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protected bool usingLastAttachedNodePose = false;
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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
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public void RefreshCameraRig(GameObject parentObject, Camera mainCamera)
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{
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OVRCameraRig cameraRig = mainCamera.GetComponentInParent<OVRCameraRig>();
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if (cameraRig == null)
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{
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cameraRig = parentObject.GetComponent<OVRCameraRig>();
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}
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cameraInTrackingSpace = (cameraRig != null && cameraRig.trackingSpace != null);
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this.cameraRig = cameraRig;
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Debug.Log(cameraRig == null ? "[OVRComposition] CameraRig not found" : "[OVRComposition] CameraRig found");
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}
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public OVRPose ComputeCameraWorldSpacePose(OVRPlugin.CameraExtrinsics extrinsics)
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{
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OVRPose trackingSpacePose = ComputeCameraTrackingSpacePose(extrinsics);
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OVRPose worldSpacePose = OVRExtensions.ToWorldSpacePose(trackingSpacePose);
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return worldSpacePose;
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}
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public OVRPose ComputeCameraTrackingSpacePose(OVRPlugin.CameraExtrinsics extrinsics)
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{
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OVRPose trackingSpacePose = new OVRPose();
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OVRPose cameraTrackingSpacePose = extrinsics.RelativePose.ToOVRPose();
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#if OVR_ANDROID_MRC
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OVRPose stageToLocalPose = OVRPlugin.GetTrackingTransformRelativePose(OVRPlugin.TrackingOrigin.Stage).ToOVRPose();
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cameraTrackingSpacePose = stageToLocalPose * cameraTrackingSpacePose;
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#endif
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trackingSpacePose = cameraTrackingSpacePose;
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if (extrinsics.AttachedToNode != OVRPlugin.Node.None && OVRPlugin.GetNodePresent(extrinsics.AttachedToNode))
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{
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if (usingLastAttachedNodePose)
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{
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Debug.Log("The camera attached node get tracked");
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usingLastAttachedNodePose = false;
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}
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OVRPose attachedNodePose = OVRPlugin.GetNodePose(extrinsics.AttachedToNode, OVRPlugin.Step.Render).ToOVRPose();
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lastAttachedNodePose = attachedNodePose;
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trackingSpacePose = attachedNodePose * trackingSpacePose;
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}
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else
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{
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if (extrinsics.AttachedToNode != OVRPlugin.Node.None)
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{
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if (!usingLastAttachedNodePose)
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{
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Debug.LogWarning("The camera attached node could not be tracked, using the last pose");
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usingLastAttachedNodePose = true;
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}
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trackingSpacePose = lastAttachedNodePose * trackingSpacePose;
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}
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}
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return trackingSpacePose;
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}
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}
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#endif
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