зеркало из https://github.com/mozilla/gecko-dev.git
35 строки
1.2 KiB
C++
35 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 "XRNativeOriginLocal.h"
|
|
#include "VRDisplayClient.h"
|
|
|
|
namespace mozilla::dom {
|
|
|
|
XRNativeOriginLocal::XRNativeOriginLocal(gfx::VRDisplayClient* aDisplay)
|
|
: mDisplay(aDisplay), mInitialPositionValid(false) {
|
|
MOZ_ASSERT(aDisplay);
|
|
}
|
|
|
|
gfx::PointDouble3D XRNativeOriginLocal::GetPosition() {
|
|
// Keep returning {0,0,0} until a position can be found
|
|
if (!mInitialPositionValid) {
|
|
const gfx::VRHMDSensorState& sensorState = mDisplay->GetSensorState();
|
|
gfx::PointDouble3D origin;
|
|
if (sensorState.flags & gfx::VRDisplayCapabilityFlags::Cap_Position ||
|
|
sensorState.flags &
|
|
gfx::VRDisplayCapabilityFlags::Cap_PositionEmulated) {
|
|
mInitialPosition.x = sensorState.pose.position[0];
|
|
mInitialPosition.y = sensorState.pose.position[1];
|
|
mInitialPosition.z = sensorState.pose.position[2];
|
|
mInitialPositionValid = true;
|
|
}
|
|
}
|
|
return mInitialPosition;
|
|
}
|
|
|
|
} // namespace mozilla::dom
|