shapeanddirection.qml Example File

particles/emitters/content/shapeanddirection.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.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** 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 The Qt Company Ltd 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,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  import QtQuick 2.0
  import QtQuick.Particles 2.0

  Rectangle {
      id: root
      width: 360
      height: 540
      color: "black"
      Image {
          anchors.fill: parent
          source: "../../images/portal_bg.png"
      }

      ParticleSystem {
          id: particles
          anchors.fill: parent

          ImageParticle {
              groups: ["center","edge"]
              anchors.fill: parent
              source: "qrc:///particleresources/glowdot.png"
              colorVariation: 0.1
              color: "#009999FF"
          }

          Emitter {
              anchors.fill: parent
              group: "center"
              emitRate: 400
              lifeSpan: 2000
              size: 20
              sizeVariation: 2
              endSize: 0
              shape: EllipseShape {fill: false}
              velocity: TargetDirection {
                  targetX: root.width/2
                  targetY: root.height/2
                  proportionalMagnitude: true
                  magnitude: 0.5
              }
          }

          Emitter {
              anchors.fill: parent
              group: "edge"
              startTime: 2000
              emitRate: 2000
              lifeSpan: 2000
              size: 28
              sizeVariation: 2
              endSize: 16
              shape: EllipseShape {fill: false}
              velocity: TargetDirection {
                  targetX: root.width/2
                  targetY: root.height/2
                  proportionalMagnitude: true
                  magnitude: 0.1
                  magnitudeVariation: 0.1
              }
              acceleration: TargetDirection {
                  targetX: root.width/2
                  targetY: root.height/2
                  targetVariation: 200
                  proportionalMagnitude: true
                  magnitude: 0.1
                  magnitudeVariation: 0.1
              }
          }
      }
  }