colortable.qml Example File | QtQuick 5.3

- Qt 5.3
- Qt Quick
- Qt Quick Particles Examples - Image Particles
- colortable.qml Example File
- Qt 5.3.2 Reference Documentation

# colortable.qml Example File

particles/imageparticle/content/colortable.qml

    /****************************************************************************
    **
    ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
    ** Contact: http://www.qt-project.org/legal
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** 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
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    **     from this software without specific prior written permission.
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    import QtQuick.Particles 2.0
    import QtQuick 2.0

    Rectangle {
        id: root
        width: 360
        height: 540
        color: "black"

        ParticleSystem { id: particles }

        ImageParticle {
            system: particles
            colorVariation: 0.5
            alpha: 0

            source: "qrc:///particleresources/glowdot.png"
            colorTable: "../../images/colortable.png"
            sizeTable: "../../images/colortable.png"
        }

        Emitter {
            system: particles
            emitRate: 500
            lifeSpan: 2000

            y: root.height / 2 + Math.sin(t * 2) * root.height * 0.3
            x: root.width / 2 + Math.cos(t) * root.width * 0.3
            property real t;

            NumberAnimation on t {
                from: 0; to: Math.PI * 2; duration: 10000; loops: Animation.Infinite
            }

            velocityFromMovement: 20

            velocity: PointDirection { xVariation: 5; yVariation: 5;}
            acceleration: PointDirection { xVariation: 5; yVariation: 5;}

            size: 16
            //endSize: 8
            //sizeVariation: 8
        }
    }