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.Window 2.2
 import QtQuick.Scene3D 2.0
 import "planets.js" as Planets

 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 / 13) : 200

     Connections {
         target: networkController

         onCommandAccepted: {
             var focusedItem = mainview.Window.window.activeFocusItem
             if (focusedItem && focusedItem.panningEnabled) {
                 focusedItem.panningEnabled = false
             }

             switch (command) {
             case "selectPlanet":
                 mainview.focusedPlanet = Planets.planetId(decodeURIComponent(value))
                 planetButtonView.forceActiveFocus()
                 planetButtonView.currentIndex = Planets.planetIndex(value)
                 break
             case "setRotationSpeed":
                 rotationSpeedSlider.forceActiveFocus()
                 rotationSpeedSlider.value = rotationSpeedSlider.minimumValue +
                         ((rotationSpeedSlider.maximumValue - rotationSpeedSlider.minimumValue) * value)
                 break
             case "setViewingDistance":
                 viewingDistanceSlider.forceActiveFocus()
                 viewingDistanceSlider.value = viewingDistanceSlider.minimumValue +
                         ((viewingDistanceSlider.maximumValue - viewingDistanceSlider.minimumValue) * value)
                 break
             case "setPlanetSize":
                 planetSizeSlider.forceActiveFocus()
                 planetSizeSlider.value = planetSizeSlider.minimumValue +
                         ((planetSizeSlider.maximumValue - planetSizeSlider.minimumValue) * value)
                 break
             }
         }
     }

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

         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 = 1
         }

         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

             scale: activeFocus ? 1.4 : 1.0

             Behavior on scale {
                 PropertyAnimation {
                     duration: 200
                 }
             }

             signal swipeUp()
             signal swipeDown()
             signal swipeLeft()

             onSwipeUp: {
                 if (planetButtonView.currentIndex > 0) {
                     planetButtonView.currentIndex--
                 } else {
                     rotationSpeedSlider.forceActiveFocus()
                 }
             }

             onSwipeDown: {
                 if (planetButtonView.currentIndex < planetButtonView.count - 1) {
                     planetButtonView.currentIndex++
                 } else {
                     planetSizeSlider.forceActiveFocus()
                 }
             }

             onSwipeLeft: {
                 if (index <= planetButtonView.count / 2) {
                     rotationSpeedSlider.forceActiveFocus()
                 } else {
                     planetSizeSlider.forceActiveFocus()
                 }
             }

             Keys.onPressed: {
                 if (event.key === Qt.Key_Select) {
                     planetSelector.focusedPlanet = focusPlanet
                 }
             }
         }
     }

     ListView {
         id: planetButtonView
         anchors.verticalCenter: parent.verticalCenter
         anchors.right: parent.right
         anchors.rightMargin: planetButtonSize / 2
         height: childrenRect.height
         spacing: planetButtonSize / 6
         width: planetButtonSize * 1.4
         interactive: false
         model: planetModel
         delegate: planetButtonDelegate
     }

     InfoSheet {
         id: info
         width: 400
         anchors.right: planetButtonView.left
         anchors.rightMargin: 40
         opacity: 1

         // 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
         }
     }

     Row {
         anchors.top: parent.top
         anchors.topMargin: 10
         anchors.horizontalCenter: parent.horizontalCenter

         spacing: 10
         scale: rotationSpeedSlider.activeFocus ? 1.4 : 1.0
         opacity: rotationSpeedSlider.activeFocus ? 1.0 : 0.5

         Behavior on scale {
             PropertyAnimation {
                 duration: 200
             }
         }

         Text {
             anchors.verticalCenter: parent.verticalCenter

             font.family: "Helvetica"
             font.pixelSize: textSize
             font.weight: Font.Light
             color: rotationSpeedSlider.panningEnabled ? "#80c342" : "#ffffff"
             text: "Rotation Speed"
         }

         StyledSlider {
             id: rotationSpeedSlider
             anchors.verticalCenter: parent.verticalCenter
             width: sliderLength
             value: 0.2
             minimumValue: 0
             maximumValue: 1
             onValueChanged: solarsystem.changeSpeed(value)

             focus: Qt.platform.os === "tvos" ? true : false

             property bool panningEnabled: false
             signal swipeDown()
             signal swipeLeft()
             signal swipeRight()
             signal pannedHorizontally(real p)
             signal pannedVertically(real p)

             onSwipeDown: {
                 planetSizeSlider.forceActiveFocus()
             }

             onSwipeLeft: {
                 viewingDistanceSlider.forceActiveFocus()
             }

             onSwipeRight: {
                 planetButtonView.currentIndex = 0
                 planetButtonView.forceActiveFocus()
             }

             onPannedHorizontally: {
                 var step = (maximumValue - minimumValue) / 30

                 if (p > 0) {
                     value += step
                 } else {
                     value -= step
                 }
             }

             Keys.onPressed: {
                 if (event.key === Qt.Key_Select) {
                     panningEnabled = !panningEnabled
                 }
             }
         }
     }

     Column {
         anchors.left: parent.left
         anchors.leftMargin: 30
         anchors.verticalCenter: parent.verticalCenter

         spacing: 10
         scale: viewingDistanceSlider.activeFocus ? 1.4 : 1.0
         opacity: viewingDistanceSlider.activeFocus ? 1.0 : 0.5

         Behavior on scale {
             PropertyAnimation {
                 duration: 200
             }
         }

         StyledSlider {
             id: viewingDistanceSlider

             anchors.horizontalCenter: parent.horizontalCenter
             orientation: Qt.Vertical
             height: sliderLength
             value: 1
             minimumValue: 1
             maximumValue: 2
             onValueChanged: solarsystem.changeCameraDistance(value)

             property bool panningEnabled: false
             signal swipeUp()
             signal swipeDown()
             signal swipeRight()
             signal pannedHorizontally(real p)
             signal pannedVertically(real p)

             onSwipeUp: {
                 rotationSpeedSlider.forceActiveFocus()
             }

             onSwipeDown: {
                 planetSizeSlider.forceActiveFocus()
             }

             onSwipeRight: {
                 planetButtonView.currentIndex = 0
                 planetButtonView.forceActiveFocus()
             }

             onPannedVertically: {
                 var step = (maximumValue - minimumValue) / 30

                 if (p > 0) {
                     value += step
                 } else {
                     value -= step
                 }
             }

             Keys.onPressed: {
                 if (event.key === Qt.Key_Select) {
                     panningEnabled = !panningEnabled
                 }
             }
         }

         Text {
             anchors.horizontalCenter: parent.horizontalCenter

             font.family: "Helvetica"
             font.pixelSize: textSize
             font.weight: Font.Light
             color: viewingDistanceSlider.panningEnabled ? "#80c342" : "#ffffff"
             text: "Viewing\nDistance"
         }
     }

     Row {
         anchors.bottom: parent.bottom
         anchors.bottomMargin: 10
         anchors.horizontalCenter: parent.horizontalCenter

         spacing: 10
         scale: planetSizeSlider.activeFocus ? 1.4 : 1.0
         opacity: planetSizeSlider.activeFocus ? 1.0 : 0.5

         Behavior on scale {
             PropertyAnimation {
                 duration: 200
             }
         }

         Text {
             anchors.verticalCenter: parent.verticalCenter
             font.family: "Helvetica"
             font.pixelSize: textSize
             font.weight: Font.Light
             color: planetSizeSlider.panningEnabled ? "#80c342" : "#ffffff"
             text: "Planet Size"
         }

         StyledSlider {
             id: planetSizeSlider
             anchors.verticalCenter: parent.verticalCenter
             width: sliderLength
             value: 1200
             minimumValue: 1
             maximumValue: 2000
             onValueChanged: solarsystem.changeScale(value, false)

             property bool panningEnabled: false
             signal swipeUp()
             signal swipeLeft()
             signal swipeRight()
             signal pannedHorizontally(real p)
             signal pannedVertically(real p)

             onSwipeUp: {
                 rotationSpeedSlider.forceActiveFocus()
             }

             onSwipeLeft: {
                 viewingDistanceSlider.forceActiveFocus()
             }

             onSwipeRight: {
                 planetButtonView.currentIndex = planetButtonView.count - 1
                 planetButtonView.forceActiveFocus()
             }

             onPannedHorizontally: {
                 var step = (maximumValue - minimumValue) / 30

                 if (p > 0) {
                     value += step
                 } else {
                     value -= step
                 }
             }

             Keys.onPressed: {
                 if (event.key === Qt.Key_Select) {
                     panningEnabled = !panningEnabled
                 }
             }
         }
     }

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

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

     Loader {
         anchors.fill: parent

         source: Qt.platform.os === "tvos" ? "AppleTVInput.qml" : ""
     }
 }