Qt Reference Documentation

Cookie.qml Example File

demos/declarative/snake/content/Cookie.qml
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 import Qt 4.7
 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
         Behavior on opacity { NumberAnimation { duration: 100 } }
         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 }
         }
     ]
 }
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