import Qt 4.7

import Qt.labs.particles 1.0

Rectangle {

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

    Particles { id:particlesAnotEmitting

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

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

        velocity:30; velocityDeviation:10; emissionRate: 0

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

    }

    Particles { id:particlesA

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

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

        velocity:30; velocityDeviation:10; emissionRate: 10

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

    }

    Particles { id:particlesB

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

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

        emissionRate: 0

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

    }

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

    Column{

        x: 340;

        Repeater{

            model: 5

            delegate: Component{

                Item{

                    width: 100; height: 100

                    Rectangle{

                        color: "blue"

                        width: 2; height: 2;

                        x: 49; y:49;

                    }

                    Particles{

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

                        fadeInDuration: 0; fadeOutDuration: 0

                        lifeSpan: 1000; lifeSpanDeviation:0;

                        source: "star.png"

                        count: -1; emissionRate: 120;

                        emissionVariance: index/2;

                        velocity: 250; velocityDeviation: 0;

                        angle: 0; angleDeviation: 0;

                    }

                }

            }

        }

    }

}