Qt Quick 3D - Procedural Texture Example | Qt Quick 3D 6.1.3

- Qt 6.1
- Qt Quick 3D
- Qt Quick 3D Examples and Tutorials
- Qt Quick 3D - Procedural Texture Example
- Qt 6.1.3 Reference Documentation

# Qt Quick 3D - Procedural Texture Example

     /****************************************************************************
     **
     ** Copyright (C) 2020 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
     import QtQuick3D
     import QtQuick.Controls
     import QtQuick.Layouts

     import ProceduralTextureExample

     Window {
         id: window
         width: 480
         height: 320
         visible: true

         View3D {
             anchors.fill: parent

             DirectionalLight {
             }

             PerspectiveCamera {
                 z: 300
             }

             Model {
                 source: "#Cube"

                 materials: DefaultMaterial {
                     diffuseMap: Texture {
                         textureData: GradientTexture {
                             id: gradientTexture
                             startColor: "#00dbde"
                             endColor: "#fc00ff"
                             width: size256.checked ? 256 : 16
                             height: width
                         }

                         minFilter: size256.checked ? Texture.Linear : Texture.Nearest
                         magFilter: size256.checked ? Texture.Linear : Texture.Nearest
                     }
                 }

                 PropertyAnimation on eulerRotation.y {
                     from: 0
                     to: 360
                     duration: 5000
                     loops: -1
                     running: true
                 }
             }
         }

         function randomColor() {
             return Qt.rgba(Math.random(),
                            Math.random(),
                            Math.random(),
                            1.0);
         }

         ColumnLayout {
             Label {
                 text: "Set texture size:"
             }

             ButtonGroup  {
                 id: sizeGroup
             }
             RadioButton {
                 id: size256
                 text: "256x256"
                 checked: true
                 ButtonGroup.group: sizeGroup
             }
             RadioButton {
                 id: size512
                 text: "16x16"
                 checked: false
                 ButtonGroup.group: sizeGroup
             }
             Button {
                 text: "Random Start Color"
                 onClicked: gradientTexture.startColor = randomColor();
             }
             Button {
                 text: "Random End Color"
                 onClicked: gradientTexture.endColor = randomColor();
             }
         }
     }