planets.qml Example File

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  import QtQuick 2.0
  import QtCanvas3D 1.0

  import "planets.js" as GLCode

  Item {
      id: mainview
      width: 1280
      height: 768
      visible: true
      property int focusedPlanet: 100
      property int oldPlanet: 0
      property real xLookAtOffset: 0
      property real yLookAtOffset: 0
      property real zLookAtOffset: 0
      property real xCameraOffset: 0
      property real yCameraOffset: 0
      property real zCameraOffset: 0
      property real cameraNear: 0
      property int sliderLength: (width < height) ? width / 2 : height / 2
      property real textSize: (sliderLength < 320) ? (sliderLength / 20) : 16
      property real planetButtonSize: (height < 768) ? (height / 11) : 70

      NumberAnimation {
          id: lookAtOffsetAnimation
          target: mainview
          properties: "xLookAtOffset, yLookAtOffset, zLookAtOffset"
          to: 0
          easing.type: Easing.InOutQuint
          duration: 1250
      }

      NumberAnimation {
          id: cameraOffsetAnimation
          target: mainview
          properties: "xCameraOffset, yCameraOffset, zCameraOffset"
          to: 0
          easing.type: Easing.InOutQuint
          duration: 2500
      }

      Behavior on cameraNear {
          PropertyAnimation {
              easing.type: Easing.InOutQuint
              duration: 2500
          }
      }
      onFocusedPlanetChanged: {
          if (focusedPlanet == 100) {
              info.opacity = 0;
              updatePlanetInfo();
          } else {
              updatePlanetInfo();
              info.opacity = 0.5;
          }

          GLCode.prepareFocusedPlanetAnimation();

          lookAtOffsetAnimation.restart();
          cameraOffsetAnimation.restart();
      }
      Canvas3D {
          id: canvas3d
          anchors.fill: parent
          onInitializeGL: {
              GLCode.initializeGL(canvas3d, eventSource, mainview);
          }
          onPaintGL: {
              GLCode.paintGL(canvas3d);
              fpsDisplay.fps = canvas3d.fps;
          }

          onResizeGL: {
              GLCode.onResizeGL(canvas3d);
          }
          ControlEventSource {
              anchors.fill: parent
              focus: true
              id: eventSource
          }
      }
      ListModel {
          id: planetModel

          ListElement {
              name: "Sun"
              radius: "109 x Earth"
              temperature: "5 778 K"
              orbitalPeriod: ""
              distance: ""
              planetImageSource: "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: "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: "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: "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: "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: "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: "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: "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: "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 QtCanvas3D,</p>" +
                          "<p>three.js and _RingGeometry() method from</p>" +
                          "<p>threex.planets extension.</p></br>" +
                          "<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: GLCode.onSpeedChanged(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: GLCode.setScale(value);
      }
      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: GLCode.setCameraDistance(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
      }
  }