- Qt 5.3
- Qt Quick
- Qt Quick Demo - Same Game
- PaintEmitter.qml Example File
- Qt 5.3.2 Reference Documentation

# PaintEmitter.qml Example File

demos/samegame/content/PaintEmitter.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
    ** 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 Digia Plc and its Subsidiary(-ies) 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,
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    ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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    ****************************************************************************/

    import QtQuick 2.0
    import QtQuick.Particles 2.0
    import "."

    Emitter {
        property Item block: parent
        anchors.fill: parent
        shape: EllipseShape { fill: true }
        group: {
            if (block.type == 0){
                "redspots";
            } else if (block.type == 1) {
                "bluespots";
            } else if (block.type == 2) {
                "greenspots";
            } else {
                "yellowspots";
            }
        }
        size: Settings.blockSize * 2
        endSize: Settings.blockSize/2
        lifeSpan: 30000
        enabled: false
        emitRate: 60
        maximumEmitted: 60
        velocity: PointDirection{ y: 4; yVariation: 4 }
        /* Possibly better, but dependent on gerrit change,28212
        property real mainIntensity: 0.8
        property real subIntensity: 0.1
        property real colorVariation: 0.005
        onEmitParticles: {//One group, many colors, for better stacking
            for (var i=0; i<particles.length; i++) {
                var particle = particles[i];
                if (block.type == 0) {
                    particle.red = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                    particle.green = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                    particle.blue = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                } else if (block.type == 1) {
                    particle.red = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                    particle.green = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                    particle.blue = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                } else if (block.type == 2) {
                    particle.red = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                    particle.green = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                    particle.blue = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                } else if (block.type == 3) {
                    particle.red = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                    particle.green = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                    particle.blue = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                } else {
                    particle.red = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                    particle.green = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                    particle.blue = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                }
            }
        }
        */
    }