- Qt 5.5
- Qt3D Module
- Qt3D: Wave QML Example
- Background.qml Example File
- Qt 5.5.1 Reference Documentation

# Background.qml Example File

wave/Background.qml

    /****************************************************************************
    **
    ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
    ** Contact: http://www.qt-project.org/legal
    **
    ** This file is part of the Qt3D module of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:LGPL3$
    ** Commercial License Usage
    ** Licensees holding valid commercial Qt licenses may use this file in
    ** accordance with the commercial license agreement provided with the
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    **
    ** GNU Lesser General Public License Usage
    ** Alternatively, this file may be used under the terms of the GNU Lesser
    ** General Public License version 3 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.LGPLv3 included in the
    ** packaging of this file. Please review the following information to
    ** ensure the GNU Lesser General Public License version 3 requirements
    ** will be met: https://www.gnu.org/licenses/lgpl.html.
    **
    ** GNU General Public License Usage
    ** Alternatively, this file may be used under the terms of the GNU
    ** General Public License version 2.0 or later as published by the Free
    ** Software Foundation and appearing in the file LICENSE.GPL included in
    ** the packaging of this file. Please review the following information to
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    import Qt3D 2.0
    import Qt3D.Renderer 2.0
    import QtQuick 2.1 as QQ2

    Entity {
        id: root
        property real hue: 0.0
        property alias animateColors: hueAnim.running

        QQ2.NumberAnimation {
            id: hueAnim
            target: root
            property: "hue"
            from: 0.0; to: 1.0
            duration: 200000
            running: false
            loops: QQ2.Animation.Infinite
        }

        Entity {
            id: _private
            property color color1: Qt.hsla( (hue + 0.59) % 1, 0.53, 0.59 )
            property color color2: Qt.hsla( (hue + 0.59) % 1, 1.0, 0.15 )
        }

        components: [
            Layer {
                names: "background"
            },

            PlaneMesh {
                width: 2.0
                height: 2.0
                meshResolution: Qt.size( 2, 2 )
            },

            Transform {
                // Rotate the plane so that it faces us
                Rotate {
                    axis: Qt.vector3d( 1.0, 0.0, 0.0 )
                    angle: 90
                }
            },

            Material {
                effect: BackgroundEffect {}
                parameters: [
                    Parameter { name: "color1"; value: Qt.vector3d( _private.color1.r, _private.color1.g, _private.color1.b ) },
                    Parameter { name: "color2"; value: Qt.vector3d( _private.color2.r, _private.color2.g, _private.color2.b ) }
                ]
            }
        ]

    }