Catherine Wheel

package
{
  import org.flintparticles.twoD.emitters.Emitter2D;
  import org.flintparticles.twoD.renderers.BitmapRenderer;

  import flash.display.Sprite;
  import flash.filters.BlurFilter;
  import flash.filters.ColorMatrixFilter;
  import flash.geom.Rectangle;

  [SWF(width='500', height='500', frameRate='60', backgroundColor='#000000')]

  public class Main extends Sprite
  {
    private var emitter:Emitter2D;
    
    public function Main()
    {
      emitter = new CatherineWheel();

      var renderer:BitmapRenderer = new BitmapRenderer( new Rectangle( 0, 0, 500, 500 ) );
      renderer.addFilter( new BlurFilter( 2, 2, 1 ) );
      renderer.addFilter( new ColorMatrixFilter( [ 1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0.97,0 ] ) );
      renderer.addEmitter( emitter );
      addChild( renderer );

      emitter.x = 250;
      emitter.y = 250;
      emitter.start( );
    }
  }
}

package
{
  import org.flintparticles.common.actions.Age;
  import org.flintparticles.common.actions.Fade;
  import org.flintparticles.common.counters.Steady;
  import org.flintparticles.common.displayObjects.Line;
  import org.flintparticles.common.easing.Quadratic;
  import org.flintparticles.common.initializers.ColorInit;
  import org.flintparticles.common.initializers.Lifetime;
  import org.flintparticles.common.initializers.SharedImage;
  import org.flintparticles.twoD.actions.Accelerate;
  import org.flintparticles.twoD.actions.LinearDrag;
  import org.flintparticles.twoD.actions.Move;
  import org.flintparticles.twoD.activities.RotateEmitter;
  import org.flintparticles.twoD.emitters.Emitter2D;
  import org.flintparticles.twoD.initializers.Velocity;
  import org.flintparticles.twoD.zones.DiscSectorZone;

  import flash.geom.Point;

  public class CatherineWheel extends Emitter2D
  {
    public function CatherineWheel()
    {
      counter = new Steady( 200 );
      
      addActivity( new RotateEmitter( -7 ) );
      
      addInitializer( new SharedImage( new Line( 3 ) ) );
      addInitializer( new ColorInit( 0xFFFFFF00, 0xFFFF6600 ) );
      addInitializer( new Velocity( new DiscSectorZone( new Point( 0, 0 ), 250, 170, 0, 0.2 ) ) );
      addInitializer( new Lifetime( 1.3 ) );
      
      addAction( new Age( Quadratic.easeIn ) );
      addAction( new Move() );
      addAction( new Fade() );
      addAction( new Accelerate( 0, 50 ) );
      addAction( new LinearDrag( 0.5 ) );
    }
  }
}

import org.flintparticles.common.actions.Age;
import org.flintparticles.common.actions.Fade;
import org.flintparticles.common.counters.Steady;
import org.flintparticles.common.displayObjects.Line;
import org.flintparticles.common.easing.Quadratic;
import org.flintparticles.common.initializers.ColorInit;
import org.flintparticles.common.initializers.Lifetime;
import org.flintparticles.common.initializers.SharedImage;
import org.flintparticles.twoD.actions.Accelerate;
import org.flintparticles.twoD.actions.LinearDrag;
import org.flintparticles.twoD.actions.Move;
import org.flintparticles.twoD.activities.RotateEmitter;
import org.flintparticles.twoD.emitters.Emitter2D;
import org.flintparticles.twoD.initializers.Velocity;
import org.flintparticles.twoD.renderers.BitmapRenderer;
import org.flintparticles.twoD.zones.DiscSectorZone;

var emitter:Emitter2D = new Emitter2D();

emitter.counter = new Steady( 200 );

emitter.addActivity( new RotateEmitter( -7 ) );

emitter.addInitializer( new SharedImage( new Line( 3 ) ) );
emitter.addInitializer( new ColorInit( 0xFFFFFF00, 0xFFFF6600 ) );
emitter.addInitializer( new Velocity( new DiscSectorZone( new Point( 0, 0 ), 250, 170, 0, 0.2 ) ) );
emitter.addInitializer( new Lifetime( 1.3 ) );

emitter.addAction( new Age( Quadratic.easeIn ) );
emitter.addAction( new Move() );
emitter.addAction( new Fade() );
emitter.addAction( new Accelerate( 0, 50 ) );
emitter.addAction( new LinearDrag( 0.5 ) );

var renderer:BitmapRenderer = new BitmapRenderer( new Rectangle( 0, 0, 500, 500 ) );
renderer.addFilter( new BlurFilter( 2, 2, 1 ) );
renderer.addFilter( new ColorMatrixFilter( [ 1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0.97,0 ] ) );
renderer.addEmitter( emitter );
addChild( renderer );

emitter.x = 250;
emitter.y = 250;
emitter.start( );

<?xml version="1.0" encoding="utf-8"?>
<s:Application
  xmlns:fx="http://ns.adobe.com/mxml/2009" 
  xmlns:s="library://ns.adobe.com/flex/spark" 
  xmlns:f="http://flintparticles.org/2009/flint2d"
  xmlns:filters="flash.filters.*"
  width="500" height="500"
  backgroundColor="#000000">
  
<fx:Script>
  <![CDATA[
    import org.flintparticles.common.easing.Quadratic;
  ]]>
</fx:Script>

<f:BitmapRenderer id="renderer" width="500" height="500">
  <f:preFilters>
    <filters:BlurFilter blurX="2" blurY="2" quality="1"/>
    <filters:ColorMatrixFilter matrix="{[ 1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0.97,0 ]}"/>
  </f:preFilters>
  <f:emitters>
    <f:Emitter id="emitter" autoStart="true" x="250" y="250">
      <f:counter>
        <f:Steady rate="200"/>
      </f:counter>
      <f:initializers>
        <f:ColorInit minColor="0xFFFFFF00" maxColor="0xFFFF6600"/>
        <f:Velocity>
          <f:DiscSectorZone centerX="0" centerY="0" innerRadius="170" outerRadius="250" minAngle="0" maxAngle="0.2"/>
        </f:Velocity>
        <f:SharedImage>
          <f:Line length="3"/>
        </f:SharedImage>
        <f:Lifetime lifetime="1.3"/>
      </f:initializers>
      <f:actions>
        <f:Move/>
        <f:Age easing="{Quadratic.easeIn}"/>
        <f:Fade/>
        <f:Accelerate x="0" y="50"/>
        <f:LinearDrag drag="0.5"/>
      </f:actions>
      <f:activities>
        <f:RotateEmitter angularVelocity="-7"/>
      </f:activities>
    </f:Emitter>
  </f:emitters>
</f:BitmapRenderer>
</s:Application>