- Qt 5.15
- Qt Quick 3D
- Qt Quick 3D Examples and Tutorials
- Qt Quick 3D - HelloCube Example
- Qt Quick 3D | Commercial or GPLv3

# Qt Quick 3D - HelloCube Example

     /****************************************************************************
     **
     ** Copyright (C) 2019 The Qt Company Ltd.
     ** Contact: https://www.qt.io/licensing/
     **
     ** This file is part of the examples 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 2.15
     import QtQuick.Window 2.14
     import QtQuick3D 1.15

     Window {
         id: window
         width: 640
         height: 640
         visible: true
         color: "black"

         Rectangle {
             id: qt_logo
             width: 230
             height: 230
             anchors.top: parent.top
             anchors.left: parent.left
             anchors.margins: 10
             color: "transparent"

             layer.enabled: true

             Rectangle {
                 anchors.fill: parent
                 color: "black"

                 Image {
                     anchors.fill: parent
                     source: "qt_logo.png"
                 }
                 Text {
                     id: text
                     anchors.bottom: parent.bottom
                     anchors.left: parent.left
                     color: "white"
                     font.pixelSize: 17
                     text: qsTr("The Future is Written with Qt")
                 }

                 transform: Rotation {
                     id: rotation
                     origin.x: qt_logo.width / 2
                     origin.y: qt_logo.height / 2
                     axis { x: 1; y: 0; z: 0 }
                 }

                 PropertyAnimation {
                     id: flip1
                     target: rotation
                     property: "angle"
                     duration: 600
                     to: 180
                     from: 0
                 }
                 PropertyAnimation {
                     id: flip2
                     target: rotation
                     property: "angle"
                     duration: 600
                     to: 360
                     from: 180
                 }
             }
         }

         View3D {
             id: view
             anchors.fill: parent
             camera: camera
             renderMode: View3D.Overlay

             PerspectiveCamera {
                 id: camera
                 position: Qt.vector3d(0, 200, 300)
                 eulerRotation.x: -30
             }

             DirectionalLight {
                 eulerRotation.x: -30
             }

             Model {
                 id: cube
                 visible: true
                 position: Qt.vector3d(0, 0, 0)
                 source: "#Cube"
                 materials: [ DefaultMaterial {
                         diffuseMap: Texture {
                             id: texture
                             sourceItem: qt_logo
                         }
                     }
                 ]
                 eulerRotation.y: 90

                 SequentialAnimation on eulerRotation {
                     loops: Animation.Infinite
                     PropertyAnimation {
                         duration: 5000
                         from: Qt.vector3d(0, 0, 0)
                         to: Qt.vector3d(360, 0, 360)
                     }
                 }
             }
         }

         MouseArea {
             id: mouseArea
             anchors.fill: qt_logo

             Text {
                 id: clickme
                 anchors.top: mouseArea.top
                 anchors.horizontalCenter: mouseArea.horizontalCenter
                 font.pixelSize: 17
                 text: "Click me!"
                 color: "white"

                 SequentialAnimation on color {
                     loops: Animation.Infinite
                     ColorAnimation { duration: 400; from: "white"; to: "black" }
                     ColorAnimation { duration: 400; from: "black"; to: "white" }
                 }

                 states: [
                     State {
                         name: "flipped";
                         AnchorChanges {
                             target: clickme
                             anchors.top: undefined
                             anchors.bottom: mouseArea.bottom
                         }
                     }
                 ]
             }

             onClicked: {
                 if (clickme.state == "flipped") {
                     clickme.state = "";
                     flip2.start();
                 } else {
                     clickme.state = "flipped";
                     flip1.start();
                 }
             }
         }
     }