Arpeggiatorを使う
/**
* Copyright HaraMakoto ( http://wonderfl.net/user/HaraMakoto )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/ovlE
*/
package
{
import flash.display.Sprite;
import flash.events.Event;
import org.si.sion.SiONData;
import org.si.sion.SiONDriver;
import org.si.sion.events.SiONEvent;
import org.si.sion.utils.Scale;
import org.si.sion.utils.SiONPresetVoice;
import org.si.sound.Arpeggiator;
[SWF(width="465", height="465", backgroundColor="#000000", frameRate=60)]
public class UseArpeggiator extends Sprite
{
private var arpeggiator:Arpeggiator;
public var driver:SiONDriver = new SiONDriver();
private var rythmLoop:SiONData;
private var presetVoice:SiONPresetVoice = new SiONPresetVoice();
private var px:Number=0;
private var py:Number=0;
public function UseArpeggiator()
{
initSound();
soundStart();
}
private function initSound():void {
var mml:String = "t132;";
rythmLoop = driver.compile(mml);
rythmLoop.setVoice(0, presetVoice["valsound.percus1"]);
arpeggiator = new Arpeggiator(new Scale("o1Ajap"), 1, [0,1,2,5,4,3]);
arpeggiator.voice = presetVoice["valsound.piano8"];
arpeggiator.quantize = 4;
arpeggiator.volume = 0.3;
arpeggiator.noteQuantize = 8;
driver.addEventListener(SiONEvent.STREAM, onStreamHandler);
driver.play(rythmLoop);
//bug??
arpeggiator.noteOn();
arpeggiator.noteOff();
arpeggiator.pattern = [0,1,2,5,4,3];
}
private function onStreamHandler(e:SiONEvent):void {
// update arpeggiator pitch and length
setPxPy();
arpeggiator.scaleIndex = px * 32;
arpeggiator.noteLength = [0.5,1,1,2,4][int(py * 4 + 0.99)];
}
public function soundStart():void {
setPxPy();
arpeggiator.scaleIndex = px*32;
arpeggiator.noteLength = [0.5,1,1,2,4][int(py * 4 + 0.99)];
// start arpeggio
arpeggiator.play();
}
private function setPxPy():void {
px = mouseX / 465;
py = mouseY / 465;
if(px<0)px=0;
if(px>0.9)px=0.9;
if(py<0)py=0;
if(py>0.9)py=0.9;
}
}
}