forked from: SoundFork

/**
 * Copyright murderdeathkitty ( http://wonderfl.net/user/murderdeathkitty )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/hfLJ
 */

// forked from murderdeathkitty's SoundFork
// forked from murderdeathkitty's flash on 2009-7-17
package {
    import flash.display.*;
    import flash.events.*;
    import flash.media.*;
    import flash.utils.*;
    import flash.net.*;
    public class SoundFork extends Sprite {
        
        private var sound: Sound;
        private var channel: SoundChannel;
        private var params: Vector.<Number>;
        
        public function SoundFork(): void
        {
            addEventListener(Event.ADDED_TO_STAGE, start);
            addEventListener(Event.REMOVED_FROM_STAGE, stop);
        }
        public function start(e: Event = null): void
        {
            params = new Vector.<Number>(16);
            sound = new Sound();
            sound.addEventListener(SampleDataEvent.SAMPLE_DATA, generate);
            channel = sound.play();
        }
        public function stop(e: Event = null): void
        {
            if(channel != null){
                channel.stop();
                channel = null;
            }
        }
        
        //replace this with your own sound!!!
        //output is 44100 hz, stereo. values between -1 and 1
        private function generate(e: SampleDataEvent): void
        {
            var data: ByteArray = e.data;
            var i: Number;
            var output: Number;
            for(i = 0; i < 2048; ++i){
                params[0] += Math.random()%0.1;
                params[1] += Math.random()*(params[0]%0.1);
                params[2] += Math.random()*(params[1]%0.1) + params[0]*0.01;
                params[3] += (1+Math.random()*0.01)*Math.sin(params[2]) * (1+params[0]*0.1)*0.001;
                output = Math.sin(params[3]);
                data.writeFloat(output);//left
                data.writeFloat(output);//right
            }
        }
    }
}