Qt 5.11 | Qt Canvas 3D | Framebuffer Example | main.qml Example File

Qt 5.11.3 Reference Documentation

# main.qml Example File

framebuffer/qml/framebuffer/main.qml

      /****************************************************************************
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      ** Copyright (C) 2016 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
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      ** This file is part of the QtCanvas3D module of the Qt Toolkit.
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      import QtQuick 2.0
      import QtCanvas3D 1.0
      import QtQuick.Controls 1.0
      import QtQuick.Layouts 1.0

      import "framebuffer.js" as GLCode

      Item {
          id: mainview
          width: 1280
          height: 768
          visible: true

          Canvas3D {
              id: canvas3d
              anchors.fill: parent
              property double xRotSlider: 0
              property double yRotSlider: 0
              property double zRotSlider: 0
              property double xRotAnim: 0
              property double yRotAnim: 0
              property double zRotAnim: 0
              property bool isRunning: true

              // Emitted when one time initializations should happen
              onInitializeGL: {
                  GLCode.initializeGL(canvas3d);
              }

              // Emitted each time Canvas3D is ready for a new frame
              onPaintGL: {
                  GLCode.paintGL(canvas3d);
              }

              onResizeGL: {
                  GLCode.resizeGL(canvas3d);
              }

              Keys.onSpacePressed: {
                  canvas3d.isRunning = !canvas3d.isRunning
                  if (canvas3d.isRunning) {
                      objAnimationX.pause();
                      objAnimationY.pause();
                      objAnimationZ.pause();
                  } else {
                      objAnimationX.resume();
                      objAnimationY.resume();
                      objAnimationZ.resume();
                  }
              }

              SequentialAnimation {
                  id: objAnimationX
                  loops: Animation.Infinite
                  running: true
                  NumberAnimation {
                      target: canvas3d
                      property: "xRotAnim"
                      from: 0.0
                      to: 120.0
                      duration: 7000
                      easing.type: Easing.InOutQuad
                  }
                  NumberAnimation {
                      target: canvas3d
                      property: "xRotAnim"
                      from: 120.0
                      to: 0.0
                      duration: 7000
                      easing.type: Easing.InOutQuad
                  }
              }

              SequentialAnimation {
                  id: objAnimationY
                  loops: Animation.Infinite
                  running: true
                  NumberAnimation {
                      target: canvas3d
                      property: "yRotAnim"
                      from: 0.0
                      to: 240.0
                      duration: 5000
                      easing.type: Easing.InOutCubic
                  }
                  NumberAnimation {
                      target: canvas3d
                      property: "yRotAnim"
                      from: 240.0
                      to: 0.0
                      duration: 5000
                      easing.type: Easing.InOutCubic
                  }
              }

              SequentialAnimation {
                  id: objAnimationZ
                  loops: Animation.Infinite
                  running: true
                  NumberAnimation {
                      target: canvas3d
                      property: "zRotAnim"
                      from: -100.0
                      to: 100.0
                      duration: 3000
                      easing.type: Easing.InOutSine
                  }
                  NumberAnimation {
                      target: canvas3d
                      property: "zRotAnim"
                      from: 100.0
                      to: -100.0
                      duration: 3000
                      easing.type: Easing.InOutSine
                  }
              }
          }

          RowLayout {
              id: controlLayout
              spacing: 5
              x: 12
              y: parent.height - 100
              width: parent.width - (x * 2)
              height: 100
              visible: true

              Label {
                  id: xRotLabel
                  Layout.alignment: Qt.AlignRight
                  Layout.fillWidth: false
                  text: "X-axis:"
              }

              Slider {
                  id: xSlider
                  Layout.alignment: Qt.AlignLeft
                  Layout.fillWidth: true
                  minimumValue: 0;
                  maximumValue: 360;
                  onValueChanged: canvas3d.xRotSlider = value;
              }

              Label {
                  id: yRotLabel
                  Layout.alignment: Qt.AlignRight
                  Layout.fillWidth: false
                  text: "Y-axis:"
              }

              Slider {
                  id: ySlider
                  Layout.alignment: Qt.AlignLeft
                  Layout.fillWidth: true
                  minimumValue: 0;
                  maximumValue: 360;
                  onValueChanged: canvas3d.yRotSlider = value;
              }

              Label {
                  id: zRotLabel
                  Layout.alignment: Qt.AlignRight
                  Layout.fillWidth: false
                  text: "Z-axis:"
              }

              Slider {
                  id: zSlider
                  Layout.alignment: Qt.AlignLeft
                  Layout.fillWidth: true
                  minimumValue: 0;
                  maximumValue: 360;
                  onValueChanged: canvas3d.zRotSlider = value;
              }
          }
      }