- Qt 5.3
- Qt Quick
- Qt Quick Particles Examples - Affectors
- age.qml Example File
- Qt 5.3.2 Reference Documentation

# age.qml Example File

particles/affectors/content/age.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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    **     of its contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
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    import QtQuick 2.0
    import QtQuick.Particles 2.0

    Rectangle {
        id: root
        width: 360
        height: 600
        color: "white"

        ParticleSystem { id: particles }

        ImageParticle {
            system: particles
            sprites: Sprite {
                name: "snow"
                source: "../../images/snowflake.png"
                frameCount: 51
                frameDuration: 40
                frameDurationVariation: 8
            }
        }

        Emitter {
            system: particles
            emitRate: 20
            lifeSpan: 8000
            velocity: PointDirection { y:80; yVariation: 40; }
            acceleration: PointDirection { y: 4 }
            size: 36
            endSize: 12
            sizeVariation: 8
            width: parent.width
            height: 100
        }

        MouseArea {
            id: ma
            anchors.fill: parent
            hoverEnabled: true
        }

        Rectangle {
            color: "#803333AA"
            border.color: "black"
            x: ma.mouseX - 36
            y: ma.mouseY - 36
            width: 72
            height: 72
            Age {
                anchors.fill: parent
                system: particles
                once: true
                lifeLeft: 1200
                advancePosition: false
            }
        }
    }