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/****************************************************************************
**
** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import Qt3D.Core 2.0
import Qt3D.Render 2.0
import Qt3D.Input 2.0
import Qardboard 1.0
Entity {
id: root
property alias fieldOfView: stereoCamera.fieldOfView
property alias cameraPosition: stereoCamera.position
property alias cameraDirection: stereoCamera.viewDirection
property alias headlightDirection: headLight.worldDirection
components: [
RenderSettings {
activeFrameGraph: QardboardFrameGraph {
id: stereoFrameGraph
leftCamera: stereoCamera.leftCamera
rightCamera: stereoCamera.rightCamera
}
},
InputSettings { },
DirectionalLight {
id: headLight
worldDirection: stereoCamera.viewDirection.times(-1)
}
]
DeviceOrientation {
id: orientation
enabled: true
}
QardboardCamera {
id: stereoCamera
viewMatrix: computeMatrix(orientation.roll, orientation.pitch, orientation.yaw)
property vector3d vc
property vector3d vd
property vector3d vu
function computeMatrix(roll, pitch, yaw) {
var m = Qt.matrix4x4()
m.rotate(-roll, Qt.vector3d(1, 0, 0))
m.rotate(yaw, Qt.vector3d(0, 1, 0))
vd = m.times(stereoCamera.viewDirection)
vu = m.times(stereoCamera.viewUp)
var r = Qt.matrix4x4()
vc = stereoCamera.position.minus(vd)
r.lookAt(stereoCamera.position, vc, vu)
// console.log(roll.toFixed(2), pitch.toFixed(2), yaw.toFixed(2), stereoCamera.position, vd, vc, vu)
// console.log(r)
return r
}
}
}
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