Qt Reference Documentation

# Cookie.qml Example File

demos/declarative/snake/qml/snake/content/Cookie.qml

     /****************************************************************************
     **
     ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the QtDeclarative module of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:LGPL$
     ** GNU Lesser General Public License Usage
     ** This file may be used under the terms of the GNU Lesser General Public
     ** License version 2.1 as published by the Free Software Foundation and
     ** appearing in the file LICENSE.LGPL included in the packaging of this
     ** file. Please review the following information to ensure the GNU Lesser
     ** General Public License version 2.1 requirements will be met:
     ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
     **
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     ** rights. These rights are described in the Nokia Qt LGPL Exception
     ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
     **
     ** GNU General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU General
     ** Public License version 3.0 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 ensure the GNU General
     ** Public License version 3.0 requirements will be met:
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     ** Alternatively, this file may be used in accordance with the terms and
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     import QtQuick 1.0
     import Qt.labs.particles 1.0

     Item  {
         id: root
         property bool dying: false
         property int row;
         property int column;
         x: margin + column * gridSize
         y: margin + row * gridSize

         width: gridSize
         height: gridSize
         property int value : 1;

         Image {
             id: img
             anchors.fill: parent
             source: "pics/cookie.png"
             opacity: 0
             Text {
                 font.bold: true
                 anchors.verticalCenter: parent.verticalCenter
                 anchors.horizontalCenter: parent.horizontalCenter
                 text: value
             }
         }

         Particles { id: particles
             width:1; height:1; anchors.centerIn: parent;
             emissionRate: 0;
             lifeSpan: 700; lifeSpanDeviation: 600;
             angle: 0; angleDeviation: 360;
             velocity: 100; velocityDeviation:30;
             source: "pics/yellowStar.png";
         }

         states: [
             State{ name: "AliveState"; when: dying == false
                 PropertyChanges { target: img; opacity: 1 }
             },
             State{ name: "DeathState"; when: dying == true
                 StateChangeScript { script: particles.burst(50); }
                 PropertyChanges { target: img; opacity: 0 }
             }
         ]
         transitions: [
             Transition {
                 NumberAnimation { target: img; property: "opacity"; duration: 100 }
             }
         ]
     }