1 import Qt 4.7

     2 import Qt.labs.particles 1.0

     3 

     4 Rectangle {

     5     width: 640; height: 480; color: "black"

     6 

     7     Particles { id:particlesAnotEmitting

     8         y:60; width: 260; height:30; source: "star.png";

     9         lifeSpan:1000; count: 50; angle:70; angleDeviation:36;

    10         velocity:30; velocityDeviation:10; emissionRate: 0

    11         ParticleMotionWander { yvariance:5; xvariance:30; pace:100 }

    12     }

    13     Particles { id:particlesA

    14         y:0; width: 260; height:30; source: "star.png";

    15         lifeSpan:1000; count: 50; angle:70; angleDeviation:36;

    16         velocity:30; velocityDeviation:10; emissionRate: 10

    17         ParticleMotionWander { yvariance:5; xvariance:30; pace:100 }

    18     }

    19 

    20     Particles { id:particlesB

    21         y:280; x:180; width:1; height:1; lifeSpan:1000; source: "star.png"

    22         count: 100; angle:270; angleDeviation:45; velocity:50; velocityDeviation:30;

    23         emissionRate: 0

    24         ParticleMotionGravity { yattractor: 1000; xattractor:0; acceleration:25 }

    25     }

    26 

    27         Timer { running: true; interval: 1000; repeat: true; onTriggered: particlesB.burst(200, 2000); }

    28 

    29     Column{

    30         x: 340;

    31         Repeater{

    32             model: 5

    33             delegate: Component{

    34                 Item{

    35                     width: 100; height: 100

    36                     Rectangle{

    37                         color: "blue"

    38                         width: 2; height: 2;

    39                         x: 49; y:49;

    40                     }

    41                     Particles{

    42                         x: 50; y:50; width: 0; height: 0;

    43                         fadeInDuration: 0; fadeOutDuration: 0

    44                         lifeSpan: 1000; lifeSpanDeviation:0;

    45                         source: "star.png"

    46                         count: -1; emissionRate: 120;

    47                         emissionVariance: index/2;

    48                         velocity: 250; velocityDeviation: 0;

    49                         angle: 0; angleDeviation: 0;

    50                     }

    51                 }

    52             }

    53         }

    54     }

    55 }