third_party/WebKit/Source/modules/vr/VRPose.cpp

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "modules/vr/VRPose.h"

namespace blink {

namespace {

DOMFloat32Array* mojoArrayToFloat32Array(
    const WTF::Optional<WTF::Vector<float>>& vec) {
  if (!vec)
    return nullptr;

  return DOMFloat32Array::create(&(vec.value().front()), vec.value().size());
}

}  // namespace

VRPose::VRPose() {}

void VRPose::setPose(const device::mojom::blink::VRPosePtr& state) {
  if (state.is_null())
    return;

  m_orientation = mojoArrayToFloat32Array(state->orientation);
  m_position = mojoArrayToFloat32Array(state->position);
  m_angularVelocity = mojoArrayToFloat32Array(state->angularVelocity);
  m_linearVelocity = mojoArrayToFloat32Array(state->linearVelocity);
  m_angularAcceleration = mojoArrayToFloat32Array(state->angularAcceleration);
  m_linearAcceleration = mojoArrayToFloat32Array(state->linearAcceleration);
}

DEFINE_TRACE(VRPose) {
  visitor->trace(m_orientation);
  visitor->trace(m_position);
  visitor->trace(m_angularVelocity);
  visitor->trace(m_linearVelocity);
  visitor->trace(m_angularAcceleration);
  visitor->trace(m_linearAcceleration);
}

}  // namespace blink