Qt Reference Documentation

Cookie.qml Example File

demos/declarative/snake/qml/snake/content/Cookie.qml
 /****************************************************************************
 **
 ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/legal
 **
 ** This file is part of the QtDeclarative module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and Digia.  For licensing terms and
 ** conditions see http://qt.digia.com/licensing.  For further information
 ** use the contact form at http://qt.digia.com/contact-us.
 **
 ** GNU Lesser General Public License Usage
 ** Alternatively, 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.
 **
 ** In addition, as a special exception, Digia gives you certain additional
 ** rights.  These rights are described in the Digia 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: http://www.gnu.org/copyleft/gpl.html.
 **
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 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 }
         }
     ]
 }