PlanetsMain.qml Example File

planets-qml/PlanetsMain.qml
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** 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 QtQuick 2.0
import QtQuick.Scene3D 2.0

Item {
    id: mainview
    width: 1280
    height: 768
    visible: true
    property int focusedPlanet: 100
    property int oldPlanet: 0
    property int frames: 0
    property int sliderLength: (width < height) ? width / 2 : height / 2
    property real textSize: sliderLength / 20
    property real planetButtonSize: (height < 2200) ? (height / 11) : 200

    Scene3D {
        anchors.fill: parent
        aspects: ["render", "logic", "input"]
        focus: true

        SolarSystem { id: solarsystem }
    }

    MouseArea {
        anchors.fill: parent
        acceptedButtons: Qt.LeftButton
        onClicked:
            focusedPlanet = 100
    }

    onFocusedPlanetChanged: {
        if (focusedPlanet == 100) {
            info.opacity = 0
            updatePlanetInfo()
        } else {
            updatePlanetInfo()
            info.opacity = 0.5
        }

        solarsystem.changePlanetFocus(oldPlanet, focusedPlanet)
        oldPlanet = focusedPlanet
    }

    ListModel {
        id: planetModel

        ListElement {
            name: "Sun"
            radius: "109 x Earth"
            temperature: "5 778 K"
            orbitalPeriod: ""
            distance: ""
            planetImageSource: "qrc:/images/sun.png"
            planetNumber: 0
        }
        ListElement {
            name: "Mercury"
            radius: "0.3829 x Earth"
            temperature: "80-700 K"
            orbitalPeriod: "87.969 d"
            distance: "0.387 098 AU"
            planetImageSource: "qrc:/images/mercury.png"
            planetNumber: 1
        }
        ListElement {
            name: "Venus"
            radius: "0.9499 x Earth"
            temperature: "737 K"
            orbitalPeriod: "224.701 d"
            distance: "0.723 327 AU"
            planetImageSource: "qrc:/images/venus.png"
            planetNumber: 2
        }
        ListElement {
            name: "Earth"
            radius: "6 378.1 km"
            temperature: "184-330 K"
            orbitalPeriod: "365.256 d"
            distance: "149598261 km (1 AU)"
            planetImageSource: "qrc:/images/earth.png"
            planetNumber: 3
        }
        ListElement {
            name: "Mars"
            radius: "0.533 x Earth"
            temperature: "130-308 K"
            orbitalPeriod: "686.971 d"
            distance: "1.523679 AU"
            planetImageSource: "qrc:/images/mars.png"
            planetNumber: 4
        }
        ListElement {
            name: "Jupiter"
            radius: "11.209 x Earth"
            temperature: "112-165 K"
            orbitalPeriod: "4332.59 d"
            distance: "5.204267 AU"
            planetImageSource: "qrc:/images/jupiter.png"
            planetNumber: 5
        }
        ListElement {
            name: "Saturn"
            radius: "9.4492 x Earth"
            temperature: "84-134 K"
            orbitalPeriod: "10759.22 d"
            distance: "9.5820172 AU"
            planetImageSource: "qrc:/images/saturn.png"
            planetNumber: 6
        }
        ListElement {
            name: "Uranus"
            radius: "4.007 x Earth"
            temperature: "49-76 K"
            orbitalPeriod: "30687.15 d"
            distance: "19.189253 AU"
            planetImageSource: "qrc:/images/uranus.png"
            planetNumber: 7
        }
        ListElement {
            name: "Neptune"
            radius: "3.883 x Earth"
            temperature: "55-72 K"
            orbitalPeriod: "60190.03 d"
            distance: "30.070900 AU"
            planetImageSource: "qrc:/images/neptune.png"
            planetNumber: 8
        }
        ListElement {
            name: "Solar System"
            planetImageSource: ""
            planetNumber: 100 // Defaults to solar system
        }
    }

    Component {
        id: planetButtonDelegate
        PlanetButton {
            source: planetImageSource
            text: name
            focusPlanet: planetNumber
            planetSelector: mainview
            buttonSize: planetButtonSize
            fontSize: textSize
        }
    }

    ListView {
        id: planetButtonView
        anchors.top: parent.top
        anchors.right: parent.right
        anchors.bottom: parent.bottom
        anchors.rightMargin: planetButtonSize / 5
        anchors.bottomMargin: planetButtonSize / 7
        spacing: planetButtonSize / 7
        width: planetButtonSize * 1.4
        interactive: false
        model: planetModel
        delegate: planetButtonDelegate
    }

    InfoSheet {
        id: info
        width: 400
        anchors.right: planetButtonView.left
        anchors.rightMargin: 10
        opacity: 0.5

        // Set initial information for Solar System
        planet: "Solar System"
        exampleDetails: "This example shows a 3D model of the Solar</p>" +
                        "<p>System comprised of the Sun and the eight</p>" +
                        "<p>planets orbiting the Sun.</p></br>" +
                        "<p>The example is implemented using Qt3D.</p>" +
                        "<p>The textures and images used in the example</p>" +
                        "<p>are Copyright (c) by James Hastings-Trew,</p>" +
                        "<a href=\"http://planetpixelemporium.com/planets.html\">" +
                        "http://planetpixelemporium.com/planets.html</a>"
    }

    function updatePlanetInfo() {
        info.width = 200

        if (focusedPlanet !== 100) {
            info.planet = planetModel.get(focusedPlanet).name
            info.radius = planetModel.get(focusedPlanet).radius
            info.temperature = planetModel.get(focusedPlanet).temperature
            info.orbitalPeriod = planetModel.get(focusedPlanet).orbitalPeriod
            info.distance = planetModel.get(focusedPlanet).distance
        }
    }

    StyledSlider {
        id: speedSlider
        anchors.top: parent.top
        anchors.topMargin: 10
        anchors.horizontalCenter: parent.horizontalCenter
        width: sliderLength
        value: 0.2
        minimumValue: 0
        maximumValue: 1
        onValueChanged: solarsystem.changeSpeed(value)
    }
    Text {
        anchors.right: speedSlider.left
        anchors.verticalCenter: speedSlider.verticalCenter
        anchors.rightMargin: 10
        font.family: "Helvetica"
        font.pixelSize: textSize
        font.weight: Font.Light
        color: "white"
        text: "Rotation Speed"
    }

    StyledSlider {
        id: scaleSlider
        anchors.bottom: parent.bottom
        anchors.bottomMargin: 10
        anchors.horizontalCenter: parent.horizontalCenter
        width: sliderLength
        value: 1200
        minimumValue: 1
        maximumValue: 2000
        onValueChanged: solarsystem.changeScale(value, false)
    }
    Text {
        anchors.right: scaleSlider.left
        anchors.verticalCenter: scaleSlider.verticalCenter
        anchors.rightMargin: 10
        font.family: "Helvetica"
        font.pixelSize: textSize
        font.weight: Font.Light
        color: "white"
        text: "Planet Size"
    }

    StyledSlider {
        id: distanceSlider
        anchors.left: parent.left
        anchors.leftMargin: 10
        anchors.verticalCenter: parent.verticalCenter
        orientation: Qt.Vertical
        height: sliderLength
        value: 1
        minimumValue: 1
        maximumValue: 2
        onValueChanged: solarsystem.changeCameraDistance(value)
    }
    Text {
        y: distanceSlider.y + distanceSlider.height + width + 10
        x: distanceSlider.x + 30 - textSize
        transform: Rotation {
            origin.x: 0
            origin.y: 0
            angle: -90
        }
        font.family: "Helvetica"
        font.pixelSize: textSize
        font.weight: Font.Light
        color: "white"
        text: "Viewing Distance"
    }

    // FPS display, initially hidden, clicking will show it
    FpsDisplay {
        id: fpsDisplay
        anchors.left: parent.left
        anchors.top: parent.top
        width: 32
        height: 64
        hidden: true
    }

    Timer {
        interval: 1000
        repeat: true
        running: !fpsDisplay.hidden
        onTriggered: {
            fpsDisplay.fps = frames
            frames = 0
        }
        onRunningChanged: frames = 0
    }
}

© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.