Qt 5.8 | Qt Quick | Qt Quick Demo - Same Game | SmokeText.qml Example File

Qt 5.8.0 Reference Documentation

# SmokeText.qml Example File

demos/samegame/content/SmokeText.qml

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
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      import QtQuick 2.0
      import QtQuick.Particles 2.0

      Item {
          z: 10
          property alias source: img.source
          property alias system: emitter.system
          property int playerNum: 1
          function play() {
              anim.running = true;
          }
          anchors.centerIn: parent
          Image {
              opacity: 0
              id: img
              anchors.centerIn: parent
              rotation: playerNum == 1 ? -8 : -5
              Emitter {
                  id: emitter
                  group: "smoke"
                  anchors.fill: parent
                  shape: MaskShape { source: img.source }
                  enabled: false
                  emitRate: 1000
                  lifeSpan: 600
                  size: 64
                  endSize: 32
                  velocity: AngleDirection { angleVariation: 360; magnitudeVariation: 160 }
              }
          }
          SequentialAnimation {
              id: anim
              running: false
              PauseAnimation { duration: 500}
              ParallelAnimation {
                  NumberAnimation { target: img; property: "opacity"; from: 0.1; to: 1.0 }
                  NumberAnimation { target: img; property: "scale"; from: 0.1; to: 1.0 }
              }
              PauseAnimation { duration: 250}
              ScriptAction { script: emitter.pulse(100); }
              NumberAnimation { target: img; property: "opacity"; from: 1.0; to: 0.0 }
          }
      }