jaguar_screensaver.qml

// Screensaver mode.

import QtQuick 2.2
import QtQuick.Particles 2.0
import QtQuick.Controls 1.2


Rectangle {
  id: root
  width:  400
  height: 400
  color:  "black"
  
  MouseArea {
    anchors.fill: parent
    onClicked: mouseEmitter.burst(50)
  }
  
  ParticleSystem {
    anchors.fill: parent
    
    ImageParticle {
      // http://i.imgur.com/WNdEXVV.png
      source: "jag.png"
      rotationVelocityVariation: 2
      // colorVariation: 0.2
      colorVariation: 0.4
    }
    
    Emitter {
      id: emitter
      width: parent.width
      height: 30
      anchors.bottom: parent.bottom
      anchors.horizontalCenter: parent.horizontalCenter
      emitRate: 2
      // lifeSpan: 12000
      lifeSpan: 18000
      // lifeSpanVariation: 2000
      lifeSpanVariation: 5000
      size: 100
      endSize:  0
      sizeVariation: 50
      velocity: TargetDirection {
        targetY: root.height * -1
        // magnitude: 10
        // magnitudeVariation: 5
        magnitude: 20
        magnitudeVariation: 10
      }
    }
    
    Emitter {
      id: mouseEmitter
      anchors.fill: parent
      emitRate: 0
      // lifeSpan: 12000
      lifeSpan: 18000
      // lifeSpanVariation: 2000
      lifeSpanVariation: 5000
      size: 100
      endSize:  0
      sizeVariation: 50
      velocity: TargetDirection {
        targetY: root.height * -1
        // magnitude: 10
        // magnitudeVariation: 5
        magnitude: 40
        magnitudeVariation: 20
      }
    }
    
    Gravity {
      angle: -90
      magnitude: 5
    }
    
    Turbulence {
        width: parent.width
        height: parent.height
        strength: 3
    }
    
  }
}