gecko-dev/dom/vr/XRNativeOriginTracker.cpp

37 строки
1.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "XRNativeOriginTracker.h"
namespace mozilla {
namespace dom {
XRNativeOriginTracker::XRNativeOriginTracker(const gfx::VRPose* aPose)
: mPose(aPose) {
MOZ_ASSERT(aPose);
}
gfx::PointDouble3D XRNativeOriginTracker::GetPosition() {
MOZ_ASSERT(mPose);
return gfx::PointDouble3D(mPose->position[0], mPose->position[1],
mPose->position[2]);
}
gfx::QuaternionDouble XRNativeOriginTracker::GetOrientation() {
MOZ_ASSERT(mPose);
gfx::QuaternionDouble orientation(
mPose->orientation[0], mPose->orientation[1], mPose->orientation[2],
mPose->orientation[3]);
// Quaternion was inverted for WebVR in XXXVRSession when handling controller
// poses. We need to re-invert it here again.
// TODO: Remove those extra inverts when WebVR support is disabled.
orientation.Invert();
return orientation;
}
} // namespace dom
} // namespace mozilla