burstandpulse.qml Example File | Qt Quick 5.12.12

- Qt 5.12
- Qt Quick
- Qt Quick Particles Examples - Emitters
- burstandpulse.qml Example File
- Qt 5.12.12 Reference Documentation

# burstandpulse.qml Example File

particles/emitters/content/burstandpulse.qml

     /****************************************************************************
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     import QtQuick 2.0
     import QtQuick.Particles 2.0

     Rectangle {
         width: 320
         height: 480
         color: "black"
         property bool lastWasPulse: false
         Timer {
             interval: 3500
             triggeredOnStart: true
             running: true
             repeat: true
             onTriggered: {
                 if (lastWasPulse) {
                     burstEmitter.burst(500);
                     lastWasPulse = false;
                 } else {
                     pulseEmitter.pulse(500);
                     lastWasPulse = true;
                 }
             }
         }
         ParticleSystem {
             id: particles
             anchors.fill: parent
             ImageParticle {
                 source: "qrc:///particleresources/star.png"
                 alpha: 0
                 colorVariation: 0.6
             }

             Emitter {
                 id: burstEmitter
                 x: parent.width/2
                 y: parent.height/3
                 emitRate: 1000
                 lifeSpan: 2000
                 enabled: false
                 velocity: AngleDirection{magnitude: 64; angleVariation: 360}
                 size: 24
                 sizeVariation: 8
                 Text {
                     anchors.centerIn: parent
                     color: "white"
                     font.pixelSize: 18
                     text: "Burst"
                 }
             }
             Emitter {
                 id: pulseEmitter
                 x: parent.width/2
                 y: 2*parent.height/3
                 emitRate: 1000
                 lifeSpan: 2000
                 enabled: false
                 velocity: AngleDirection{magnitude: 64; angleVariation: 360}
                 size: 24
                 sizeVariation: 8
                 Text {
                     anchors.centerIn: parent
                     color: "white"
                     font.pixelSize: 18
                     text: "Pulse"
                 }
             }
         }
     }