1/*
2 * Copyright (C) 2017 Igalia S.L. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25#include "config.h"
26#include "VRPose.h"
27
28#include <JavaScriptCore/TypedArrayInlines.h>
29
30namespace WebCore {
31
32static RefPtr<Float32Array> optionalFloat3ToJSCArray(const Optional<VRPlatformTrackingInfo::Float3>& data)
33{
34 if (!data)
35 return nullptr;
36
37 return Float32Array::create(data->data, 3);
38}
39
40RefPtr<Float32Array> VRPose::position() const
41{
42 if (!m_trackingInfo.position)
43 return nullptr;
44
45 auto& position = *m_trackingInfo.position;
46 float positionData[3] = { position.x(), position.y(), position.z() };
47 return Float32Array::create(positionData, 3);
48}
49
50RefPtr<Float32Array> VRPose::linearVelocity() const
51{
52 return optionalFloat3ToJSCArray(m_trackingInfo.linearVelocity);
53}
54
55RefPtr<Float32Array> VRPose::linearAcceleration() const
56{
57 return optionalFloat3ToJSCArray(m_trackingInfo.linearAcceleration);
58}
59
60RefPtr<Float32Array> VRPose::orientation() const
61{
62 if (!m_trackingInfo.orientation)
63 return nullptr;
64
65 auto& orientation = *m_trackingInfo.orientation;
66 float orientationData[4] = { orientation.x, orientation.y, orientation.z, orientation.w };
67 return Float32Array::create(orientationData, 4);
68}
69
70RefPtr<Float32Array> VRPose::angularVelocity() const
71{
72 return optionalFloat3ToJSCArray(m_trackingInfo.angularVelocity);
73}
74
75RefPtr<Float32Array> VRPose::angularAcceleration() const
76{
77 return optionalFloat3ToJSCArray(m_trackingInfo.angularAcceleration);
78}
79
80} // namespace WebCore
81