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// Copyright 2017 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 "chrome/browser/vr/vr_base_export.h"
#include "ui/gfx/geometry/vector3d_f.h"
namespace gfx {
class Transform;
namespace vr {
// Provides the direction the head is looking towards as a 3x1 unit vector.
VR_BASE_EXPORT gfx::Vector3dF GetForwardVector(const gfx::Transform& head_pose);
// Returns a vector heading upward from the viewer's head.
VR_BASE_EXPORT gfx::Vector3dF GetUpVector(const gfx::Transform& head_pose);
} // namespace vr