| 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 | |
| 30 | namespace WebCore { |
| 31 | |
| 32 | static 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 | |
| 40 | RefPtr<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 | |
| 50 | RefPtr<Float32Array> VRPose::linearVelocity() const |
| 51 | { |
| 52 | return optionalFloat3ToJSCArray(m_trackingInfo.linearVelocity); |
| 53 | } |
| 54 | |
| 55 | RefPtr<Float32Array> VRPose::linearAcceleration() const |
| 56 | { |
| 57 | return optionalFloat3ToJSCArray(m_trackingInfo.linearAcceleration); |
| 58 | } |
| 59 | |
| 60 | RefPtr<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 | |
| 70 | RefPtr<Float32Array> VRPose::angularVelocity() const |
| 71 | { |
| 72 | return optionalFloat3ToJSCArray(m_trackingInfo.angularVelocity); |
| 73 | } |
| 74 | |
| 75 | RefPtr<Float32Array> VRPose::angularAcceleration() const |
| 76 | { |
| 77 | return optionalFloat3ToJSCArray(m_trackingInfo.angularAcceleration); |
| 78 | } |
| 79 | |
| 80 | } // namespace WebCore |
| 81 | |