- Qt 5.15
- Qt Quick Demo - Same Game
- Qt 5.15.19 Reference Documentation

# Qt Quick Demo - Same Game

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     import QtQuick 2.0
     import QtQuick.Particles 2.0

     Item {
         id: block
         property bool dying: false
         property bool spawned: false
         property int type: 0
         property ParticleSystem particleSystem

         Behavior on x {
             enabled: spawned;
             SpringAnimation{ spring: 2; damping: 0.2 }
         }
         Behavior on y {
             SpringAnimation{ spring: 2; damping: 0.2 }
         }

         Image {
             id: img
             source: {
                 if (type == 0){
                     "gfx/red.png";
                 } else if (type == 1) {
                     "gfx/blue.png";
                 } else if (type == 2) {
                     "gfx/green.png";
                 } else {
                     "gfx/yellow.png";
                 }
             }
             opacity: 0
             Behavior on opacity { NumberAnimation { duration: 200 } }
             anchors.fill: parent
         }

         //Foreground particles
         BlockEmitter {
             id: particles
             system: particleSystem
             group: {
                 if (type == 0){
                     "red";
                 } else if (type == 1) {
                     "blue";
                 } else if (type == 2) {
                     "green";
                 } else {
                     "yellow";
                 }
             }
             anchors.fill: parent
         }

         //Paint particles on the background
         PaintEmitter {
             id: particles2
             system: particleSystem
         }

         states: [
             State {
                 name: "AliveState"; when: spawned == true && dying == false
                 PropertyChanges { target: img; opacity: 1 }
             },

             State {
                 name: "DeathState"; when: dying == true
                 StateChangeScript { script: {particleSystem.paused = false; particles.pulse(100); particles2.pulse(100);} }
                 PropertyChanges { target: img; opacity: 0 }
                 StateChangeScript { script: block.destroy(1000); }
             }
         ]
     }