wonderflで音楽♪SandStorm+うろおぼえVicViper from:from:なんとかディウス
200行のソフトシンセ＋MMLシーケンサを実装して音楽つけてみました。あとグラフィック変更。
スペースキーで弾発射 -> すいません．．Shiftに変更させてもらいました．keim_at_Si
webpage; http://soundimpulse.sakura.ne.jp/wonderfl-music-sandstorm/
/**
* Copyright keim_at_Si ( http://wonderfl.net/user/keim_at_Si )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/MLTd
*/
// forked from gyuque's マルチポー forked from: ゲームっぽくしてみた
// forked from ton's ゲームっぽくしてみたforked from: なんとかディウスっぽい背景
// forked from gyuque's なんとかディウスっぽい背景
// ゲームっぽくしてみた
// 十字キーで移動
// スペースキーで弾発射
// -> すいません．．Shiftに変更させてもらいました．keim_at_Si
// だれか当たり判定つけて＞＜
package
{
import flash.display.*;
import flash.geom.*;
import flash.events.*;
import flash.ui.Keyboard;
import flash.media.Sound;
[SWF(width="320", height="240", backgroundColor="0x000000", frameRate="30")]
public class Nemesis extends Sprite
{
public static const W:int = 320;
public static const H:int = 240;
public static var KeyMapping:Object = {};
private var mScroll:int = 0;
private var mMyPos:Point;
private var mBGen:MountainGen = new MountainGen(160);
private var mTGen:MountainGen = new MountainGen(160, 1);
private var mBBGen:MountainGen = new MountainGen(180, 1, true);
private var mBBGScreen:BitmapData = new BitmapData(W, H, true, 0);
private var mBBGScreenBmp:Bitmap;
private var mBBGScreenBmp2:Bitmap;
private var mBGScreen:BitmapData = new BitmapData(W, H, true, 0);
private var mBGScreenBmp:Bitmap;
private var mBGScreenBmp2:Bitmap;
private var mStarbg:StarBG = new StarBG(W, H, 30);
private var ship:Ship = new Ship(0xffffff, true);
private var mKeyState:KeyState = new KeyState();
function Nemesis()
{
mapKey(Keyboard.UP, KeyState.K_UP);
mapKey(Keyboard.DOWN, KeyState.K_DOWN);
mapKey(Keyboard.LEFT,KeyState.K_LEFT);
mapKey(Keyboard.RIGHT, KeyState.K_RIGHT);
mapKey(Keyboard.SHIFT, KeyState.K_TRG1);
setupBG();
setupShip();
addEventListener(Event.ENTER_FRAME, tick);
stage.addEventListener(KeyboardEvent.KEY_DOWN, onKeyDownHandler);
stage.addEventListener(KeyboardEvent.KEY_UP, onKeyUpHandler);
_initializeSound();
}
private function setupShip():void {
ship.x = 40;
ship.y = H / 2;
var m1:Ship = new Multiple();
ship.appendMultiple(m1);
var m2:Ship = new Multiple();
ship.appendMultiple(m2);
ship.fillMoveBuffer();
addChild(m1);
addChild(m2);
addChild(ship);
}
private function setupBG():void {
addChild(mStarbg);
mBBGScreenBmp = new Bitmap(mBBGScreen);
addChild(mBBGScreenBmp);
mBBGScreenBmp2 = new Bitmap(mBBGScreen);
addChild(mBBGScreenBmp2);
mBGScreenBmp = new Bitmap(mBGScreen);
addChild(mBGScreenBmp);
mBGScreenBmp2 = new Bitmap(mBGScreen);
addChild(mBGScreenBmp2);
var i:int;
mBGen.step();
mTGen.step();
mBBGen.step();
for (i = 0;i < W;i++) {
mBGen.step();
mTGen.step();
mBGen.draw(mBGScreen, i, 80);
mTGen.draw(mBGScreen, i, 0, false);
mBBGen.step();
mBBGen.draw(mBBGScreen, i, 60);
}
}
private static function mapKey(raw:uint, _to:uint):void {
KeyMapping[raw] = _to;
}
private var _clrrc:Rectangle = new Rectangle(0, 0, 1, H);
private function tick(e:Event):void
{
var ox:int = mScroll % W;
var ox2:int = int(mScroll/2) % W;
_clrrc.x = ox;
mBGScreen.fillRect(_clrrc, 0);
mStarbg.tick();
mBGen.step();
mTGen.step();
mStarbg.draw();
mBGen.draw(mBGScreen, ox, 80);
mTGen.draw(mBGScreen, ox, 0, false);
if ((mScroll%2)==1) {
_clrrc.x = ox2;
mBBGScreen.fillRect(_clrrc, 0);
mBBGen.step();
mBBGen.draw(mBBGScreen, ox2, 60);
}
mBGScreenBmp.x = -ox;
mBGScreenBmp2.x = W-ox;
mBBGScreenBmp.x = -ox2;
mBBGScreenBmp2.x = W-ox2;
ship.moveByKeyState(mKeyState.state);
ship.tick();
ship.draw();
mScroll++;
}
private function onKeyDownHandler(e:KeyboardEvent):void {
if (KeyMapping.hasOwnProperty(e.keyCode))
mKeyState.setState(KeyMapping[e.keyCode]);
}
private function onKeyUpHandler(e:KeyboardEvent):void {
if (KeyMapping.hasOwnProperty(e.keyCode))
mKeyState.delState(KeyMapping[e.keyCode]);
}
// Sound
//------------------------------------------------------------
private function _initializeSound() : void {
var A:String = "$v12@0s32w24o4l1[[4cr|crrc]cgfe[crcrrc]|[crcrrc]]v6<gggeeeccc>ggg";
A+="v12[8crcrrccrcrcc] [v12[3crcrcccccrcc]|v6<gggeeeccc>ggg] crcrcccccrcc [4crcr3]";
A+="[v12[5crcrrc]|[crcrrc]v8<ggeecc>]v8c<g>c<g>c<ggc>g<gc>g<ggec>gc";
var B:String = "$v14@3s32o0k4l3[14rc]l1[12c]";
B+="l3[14rc]rl1r[8c] [l3[6rc]|l1[12c]]rcrcl1[3r3ccc][6c] [l3[4rc]|[3rc]l1[6c]]l1[6c][3rc][12c]";
var C1:String = "@3o0l1@o0v8s4 [d21v12s32cccv8s4d24]";
var C2:String = "p6l2[8ee1e1e1eeee1]";
var C3:String = "p4@o0@3o0k8v3s1[8c12]v6s6l6k0[4d] d48d24d24";
var C4:String = "p4@i0@3o0k0v6s1r96l6s32[4c] r96";
var Cm:String = "$"+C1+"@2v10s4o6k123@o1"+C2+C3;
var Cc:String = "$"+"r96@0v3s20o5@i5"+C2+C4;
var D:String = "$l1[8g2gggggggg<d>g]";
D+="[16g2gg<d>g] <[c2[8c]gc>b2[8b]<f+>b|a2[8a]<e>a<[7d]c>b<c>ba<]<d+2[8d+]a+d+f2[8f]<c>f";
D+="g2gg>g<gf2ff>f<fe2ee>e<edc>b<c>ba";
D+="[g2[5g]<d>ggb<d>f+2[5f+]<d>f+f+a<d>e2[5e]beegb<c2cc>g<cd>a<d>a<cd>]";
var Dl:String = "@0v6s64o7k80@o1"+D;
var Dm:String = "@2v7s8o3@i1@o1"+D;
var Dc:String = "@0v6s16o4@i3"+D;
var E:String = "l1g9gb<dg12>a9a<cfa12>b9b<dgb12c9cfa<c12>>"
E+="l2[g6<d12|dc>b<c6g18>]c>b<c>a20<cd"
E+="e8f+gd8c>ba8g4l1gab<cdef+gab<cd>l2e8f+gd8f+4g8aa+aa+<c6>a+1<c1d24>>"
E+="l1g9gag<d8c2>b2g9gag<g6f+2d2>a2g9gag<d8c2>b2g8<l2egf+ga8"
var Ea:String="p5$@1v8s4o6k0"+E, Eb:String="p4$@2v12s2o5k2"+E, Ed:String="p2r2$@1v2s2o5"+E;
var F:String = "$@1p2v4s2o4 l12[g<g>f<f>]"
F+="v3s1l2[g18gab|f9l1v4s24fffv3s1f8l2ef]<c12> @2s16v8l1fa<c>a<cfcfafa<c"
F+="@1v4o4l12s1c>ba<dc>b<d+f v8s4l6gfed v4o4l12s1[gf+ec6d6]";
var G:String = "$@1p6v4s2o4 l12[b<b>a<a>]"
G+="v3s1l2[b18b<cd>|a9l1v4s24aaas1v3a8l2ga]<f12 @2k2s16v8l1fa<c>a<cfcfafa<c"
G+="@1v4o4l12s1gf+eagf+a+<c v8s4l6dc>ba v4o5l12s1[dd>bg6a6]";
var H:String = "$@1p4v4s2o5 l12[d<d>c<c>] r96 s1edcdedd+f v8s8l6gfed v4o5l12s1[bage6f+6]"
var I:String = "$@1v2s32o7 l1[[4gd>bgb<d]|[4fc>afa<c]][fc>afa<c]fdecd>b<c>abgaf"
I+="o6s0[[4gbg<d>b<c>][4faf<c>ab]]";
I+="o7v4s32[[bgeceg][af+d>b<df+]|[gec>a<ce]>def+gab<cdef+ga][gd+>a+ga+<d+][afc>a<cf]";
I+="bgege>b<afcfc>a<ge>b<e>bg<f+d>a<d>af+"
I+="o6[[gb<d>ab<g>][a<df+>a<da>][b<eg>b<gb>]<cegcg<c>df+ada<d>>]";
_module = new TinySiOPM(2048, 1024, _onSoundFrame);
_sequencer = new Sequencer(5, [A,B,Cm,Cc,Dl,Dm,Dc,Ea,Eb,Ed,F,G,H,I]);
_sound = new Sound();
_sound.addEventListener("sampleData", _onStream);
_sound.play();
}
private function _onSoundFrame() : void {
if (_sequencer.onSoundFrame()) {
}
}
private function _onStream(e:SampleDataEvent) : void {
var moduleOut:Vector.<Number> = _module.render();
for (var i:int = 0; i<4096; i++) {
e.data.writeFloat(moduleOut[i]);
}
}
}
}
import flash.display.*;
import flash.events.Event;
import flash.geom.Point;
import flash.media.Sound;
var _sound:Sound;
var _module:TinySiOPM;
var _sequencer:Sequencer;
class KeyState
{
public static const K_UP:uint = 0x01;
public static const K_DOWN:uint = 0x02;
public static const K_LEFT:uint = 0x04;
public static const K_RIGHT:uint = 0x08;
public static const K_TRG1:uint = 0x10;
public static const K_TRG2:uint = 0x20;
private var mState:uint = 0;
public function setState(s:uint):void {
mState |= s;
}
public function delState(s:uint):void {
mState &= ~s;
}
public function get state():uint {
return mState;
}
}
class Ship extends Sprite
{
private var speed:int = 4;
protected var mCount:int = 0;
private var mMovBuf:PositionRingBuffer;
private var mMultiples:Array;
private var _shotCount:int;
public var color:uint;
function Ship(color:uint, enable_buf:Boolean = false)
{
this.color = color;
draw();
_shotCount = 0;
if (enable_buf)
mMovBuf = new PositionRingBuffer(100);
}
public function fillMoveBuffer():void {
for (var i:int = 0;i < 100;i++)
mMovBuf.push(x, y, false);
}
public function appendMultiple(m:Ship):void
{
if (!mMultiples) mMultiples = [];
mMultiples.push(m);
}
public function draw():void
{
var g:Graphics = graphics;
g.clear();
/*
g.lineStyle(0, color);
g.lineTo( -30, -10);
g.lineTo( -30, 10);
g.lineTo(0, 0);
g.endFill();
*/
g.beginFill(0xc0c0c0);
g.drawPath(Vector.<int>([1,2,2,2,2,2]),
Vector.<Number>([16,-2,-10,-4,-15,-3,-25,5,-20,5,-10,1]));
g.endFill();
g.beginFill(0x808080);
g.drawPath(Vector.<int>([1,2,2,2]),
Vector.<Number>([-15,-2,-15,2,-20,2,-20,-2]));
g.endFill();
g.beginFill(0x80a0f0);
g.drawPath(Vector.<int>([1,2,2,2]),
Vector.<Number>([-8,-4,-2,-3,5,0,-15,0]));
g.endFill();
g.beginFill(0xffffff);
g.drawPath(Vector.<int>([1,2,2,2]),
Vector.<Number>([-8,-1,-18,-7,-22,-7,-15,0]));
g.endFill();
g.beginFill(0xe0e0e0);
g.drawPath(Vector.<int>([1,2,2,2,2,2]),
Vector.<Number>([16,1,-10,-1,-15,0,-25,8,-20,8,-10,4]));
g.endFill();
if (mMultiples) {
for each(var m:Ship in mMultiples)
m.draw();
}
}
public function moveByKeyState(s:uint):void
{
if (s&KeyState.K_UP) y -= speed;
else if (s&KeyState.K_DOWN) y += speed;
if (s&KeyState.K_LEFT) x -= speed;
else if (s&KeyState.K_RIGHT) x += speed;
if (s&KeyState.K_TRG1)
fireShot();
if (x - width< 0) x = width;
else if (x > Nemesis.W) x = Nemesis.W;
if (y - height/2 < 0) y = height/2;
else if (y + height/2 > Nemesis.H) y = Nemesis.H - height/2;
mMovBuf.push(x, y);
}
public function tick():void {
if (mMultiples) {
var len:int = mMultiples.length;
for (var i:int = 0;i < len;i++) {
mMultiples[i].x = mMovBuf.getX((i+1)*8) - 10;
mMultiples[i].y = mMovBuf.getY((i+1)*8);
}
for each(var m:Ship in mMultiples)
m.tick();
}
mCount++;
}
public function fireShot():void {
if (!(mCount%5) && _shotCount<2) {
var bullet:Bullet = new Bullet(this);
bullet.x = x;
bullet.y = y;
parent.addChild(bullet);
_shotCount++;
if (mMultiples) // = if player...('A`)
_module.noteOn(1440,0,0.5,11,64,-256);
}
if (mMultiples) {
for each(var m:Ship in mMultiples)
m.fireShot();
}
}
public function onShotRemoved() : void {
_shotCount--;
}
}
class Multiple extends Ship
{
import flash.geom.Matrix;
public static const GRAD_COLORS:Array = [0xffba33, 0xaa0000];
public static const GRAD_ALPHAS:Array = [1, 1];
public static const GRAD_RATIOS:Array = [100, 255];
private var mGradTrans:Matrix = new Matrix();
function Multiple()
{
super(0);
}
public override function draw():void
{
var g:Graphics = graphics;
var r:Number = Math.sin(mCount*0.9)*0.7 + 9;
mGradTrans.createGradientBox(r*2, r*1.8,0 , -r*1.1, -r*0.9);
g.clear();
g.beginGradientFill(GradientType.RADIAL, GRAD_COLORS, GRAD_ALPHAS, GRAD_RATIOS, mGradTrans);
g.drawEllipse(-r, -r*0.8, r*2, r*1.6);
g.endFill();
}
}
class PositionRingBuffer
{
private var xs:Array;
private var ys:Array;
private var length:uint;
private var pos:int = 0;
function PositionRingBuffer(len:uint)
{
length = len;
xs = new Array(len);
ys = new Array(len);
}
public function push(x:int, y:int, chk:Boolean = true):void {
var i:int = (pos + length - 1) % length;
if (chk) {
if (xs[i] == x && ys[i] == y) return;
}
xs[pos] = x;
ys[pos] = y;
pos = ++pos % length;
}
public function getX(i:int):int {
i = (pos - i + length) % length;
return xs[i];
}
public function getY(i:int):int {
i = (pos - i + length) % length;
return ys[i];
}
}
class Bullet extends Sprite
{
public var color:uint;
public var size:uint;
public var speed:uint;
private var _ship:Ship;
function Bullet(ship:Ship, color:uint = 0xeeddaa, size:uint = 3, speed:uint = 20)
{
this._ship = ship;
this.color = color;
this.size = size;
this.speed = speed;
this.graphics.beginFill(color);
this.graphics.drawEllipse(-size, -size/2, size*1.8, size);
this.graphics.drawCircle(-size*1.3, 0, size/2);
this.graphics.drawCircle(-size*1.8, 0, size/3);
this.graphics.endFill();
addEventListener(Event.ENTER_FRAME, updateHandler);
}
private function updateHandler(e:Event):void
{
this.x += speed;
if (this.x + size / 2 > Nemesis.W) {
this.parent.removeChild(this);
removeEventListener(Event.ENTER_FRAME, updateHandler);
_ship.onShotRemoved();
}
}
}
class MountainGen
{
private var mPrevBuffer:Array;
private var mHeight:int;
private var mCount:int = 0;
private var tmpBuffer:Array;
private var mGenFunc:Function;
private var mDark:Boolean;
function MountainGen(h:int, generator:int = 0, dark:Boolean = false)
{
mDark = dark;
mHeight = h;
mGenFunc = generator ? genWav2 : genWav;
mPrevBuffer = new Array(h);
tmpBuffer = new Array(h);
}
public function draw(b:BitmapData, x:int, y:int, rev:Boolean = true):void
{
var i:int;
for (i = 0;i < mHeight;i++) {
if (tmpBuffer[i]) {
var c:int = tmpBuffer[i];
b.setPixel32(x, rev ? (y+mHeight-i) : (y+i), makeColor(c));
}
}
}
private function makeColor(c:int):uint
{
if (mDark)
return 0xff000000 | (c/7+5) | ((c/7 + 80)<<16) | ((c/6+50) << 8);
return 0xff000000 | (c/3+11) | ((c/5 + 170)<<16) | ((c/2+60) << 8);
}
public function step():void
{
var t:Number = Number(mCount) * 0.02;
var h:int = mGenFunc(t) * mHeight;
var i:int, k:int, m:int;
for (i = 0;i < mHeight;i++) {
mPrevBuffer[i] = tmpBuffer[i];
}
for (i = 0;i < mHeight;i++) {
tmpBuffer[i] = (i < h) ? (Math.random()*80 + 80) : 0;
if (tmpBuffer[i]) {
if (mPrevBuffer[i])
tmpBuffer[i] = (tmpBuffer[i] + mPrevBuffer[i]*7)/8;
if (mPrevBuffer[i] == 0 || i == (h-1)) {
m = 50;
for (k = i;k >= 0 && m > 0;k--, m-=4) {
if (m > 33) m--;
tmpBuffer[k] += m;
m += Math.random()*7;
}
}
if (mPrevBuffer[i+1] && i == (h-1)) {
m = -48;
for (k = i;k >= 0 && m < 0;k--, m++) {
tmpBuffer[k] += m;
if (tmpBuffer[k]<1) tmpBuffer[k] = 1;
}
}
}
}
for (i = 0;i < mHeight;i++)
tmpBuffer[i] = (tmpBuffer[i] < 0) ? 0 : (tmpBuffer[i] > 255) ? 255 : tmpBuffer[i];
mCount++;
}
private static function genWav(t:Number, nest:int = 0):Number
{
var v:Number = Math.sin(t);
v += Math.sin(t*3) * 0.1;
v += Math.cos(0.1 + t*10) * 0.02;
v *= Math.sin(t*0.1);
if (nest < 5)
v += genWav2(t*2.0, 1+nest)*0.5;
v = v*0.2 + 0.22;
return (v<0) ? 0 : (v>1) ? 1 : v;
}
private static function genWav2(t:Number, nest:int = 0):Number
{
var v:Number = Math.sin(t);
v += Math.cos(t*3) * 0.1;
v += Math.cos(0.1 + t*9) * 0.02;
v *= Math.cos(0.2 + t*0.15);
if (nest < 5)
v += genWav2(t*2.0, 1+nest)*0.5;
v = v*0.2 + 0.23;
return (v<0) ? 0 : (v>1) ? 1 : v;
}
}
class StarBG extends Sprite
{
private var mWidth:int;
private var mHeight:int;
private var mStars:Array;
private var mStarVs:Array;
private var mN:int;
function StarBG(w:int, h:int, n:int)
{
mWidth = w;
mHeight = h;
mN = n;
mStars = new Array(n);
mStarVs = new Array(n);
for (var i:int = 0;i < n;i++) {
mStars[i] = new Point(int( Math.random()*w ), int( Math.random()*h ));
mStarVs[i] = Math.random() + 0.2;
}
}
public function tick():void
{
var n:int = mN;
for (var i:int = 0;i < n;i++) {
mStars[i].x -= Number(mStarVs[i]);
if (mStars[i].x < 0) {
mStars[i].x += mWidth;
mStars[i].y = int( Math.random()*mHeight );
}
}
}
public function draw():void
{
var g:Graphics = graphics;
var n:int = mN;
g.clear();
for (var i:int = 0;i < n;i++) {
g.beginFill(0xffffff);
g.drawCircle( mStars[i].x, mStars[i].y , 0.4);
}
}
}
// MML Sequencer
// http://wonderfl.kayac.com/user/keim_at_Si
//--------------------------------------------------
class Sequencer {
private var _tracks:Array, _count:int=Track.speed+1;
function Sequencer(speed:int, mmls:Array) { Track.speed=speed; mml=mmls; }
public function onSoundFrame() : Boolean {
if (++_count == Track.speed) {
for each (var tr:Track in _tracks) tr.execute();
_count = 0;
return true;
}
return false;
}
public function set mml(list:Array) : void {
_tracks = [];
for each (var seq:String in list) _tracks.push(new Track(seq));
_count = 0;
}
}
class Track {
static public var codeA:int="a".charCodeAt(), nt:Array=[9,11,0,2,4,5,7], speed:int=3;
public var oct:int, len:int, tl:int, dt:int, cnt:int, seq:String, sgn:int, stac:Array, osc:Osc;
private var _rex:RegExp=/(@i|@o|[a-gkloprsvw<>[|\]$@])([#+])?(\d+)?/g;
function Track(seq:String) {
osc = (new Osc()).reset().activate(false);
reset(seq);
}
public function reset(seq_:String) : void {
seq=seq_; oct=5; len=4; tl=256; dt=0; cnt=0; sgn=0; _rex.lastIndex=0; stac=[];
}
public function execute() : void {
if (--cnt <= 0) {
for (var i:int=0; i<100; i++) {
var res:* = _rex.exec(seq);
if (!res) {
if (sgn) { _rex.lastIndex = sgn; continue; }
else { cnt = int.MAX_VALUE; break; }
}
var cmd:int = res[1].charCodeAt();
if (cmd>=codeA && cmd<=codeA+6) {
cnt = (res[3]) ? int(res[3]) : len;
osc.len = cnt * speed;
osc.pt = ((nt[cmd-codeA]+oct*12+((res[2])?1:0))<<4) + dt;
osc.tl = tl;
break;
} else if (res[1] == 'r') {
cnt = (res[3]) ? int(res[3]) : len;
break;
} else {
switch(res[1]){
case 'k': dt = int(res[3]); break;
case 'l': len = int(res[3]); break;
case 'o': oct = int(res[3]); break;
case 'v': tl = TinySiOPM.log(int(res[3])*0.0625); break;
case '<': oct++; break;
case '>': oct--; break;
case '@': osc.ws = int(res[3]); break;
case 's': osc.dr = int(res[3])<<2; break;
case 'w': osc.sw = -int(res[3]); break;
case 'p': osc.pan = (int(res[3])<<4)-64; break;
case '@i': osc.mod = int(res[3]); break;
case '@o': osc.out = int(res[3]); break;
case '$': sgn = _rex.lastIndex; break;
case '[': stac.unshift({p:_rex.lastIndex,c:((res[3])?int(res[3]):2),j:0}); break;
case '|': if (stac[0].c == 1) { _rex.lastIndex = stac[0].j; stac.shift(); } break;
case ']':
stac[0].j = _rex.lastIndex;
if (--stac[0].c == 0) stac.shift();
else _rex.lastIndex = stac[0].p;
break;
}
}
}
}
}
}
class TinySiOPM {
private var _output:Vector.<Number>, _zero:Vector.<int>, _pipe:Vector.<int>;
private var _pitchTable:Vector.<int> = new Vector.<int>(2048, true);
private var _logTable:Vector.<int> = new Vector.<int>(6144, true);
private var _panTable:Vector.<Number> = new Vector.<Number>(129, true);
private var _bufferSize:int, _callbackFrams:int, _onSoundFrame:Function;
// Pass the buffer size and the function calls in each frame.
function TinySiOPM(bufferSize:int=2048, callbackFrams:int=1024, onSoundFrame:Function=null) {
var i:int, j:int, p:Number, v:Number, t:Vector.<int>, ft:Array=[0,1,2,3,4,5,6,7,7,6,5,4,3,2,1,0];
for (i=0, p=0; i<192; i++, p+=0.00520833333) // create pitchTable[128*16]
for(v=Math.pow(2, p)*12441.464342886, j=i; j<2048; v*=2, j+=192) _pitchTable[j] = int(v);
for (i=0; i<32; i++) _pitchTable[i] = (i+1)<<6; // [0:31] for white noize
for (i=0, p=0.0078125; i<256; i+=2, p+=0.0078125) // create logTable[12*256*2]
for(v=Math.pow(2, 13-p), j=i; j<3328; v*=0.5, j+=256) _logTable[j+1] = -(_logTable[j]=int(v));
for (i=3328; i<6144; i++) _logTable[i] = 0; // [3328:6144] is 0-fill area
for (i=0, p=0; i<129; i++, p+=0.01217671571) _panTable[i]=Math.sin(p)*0.5; // pan table;
for (t=Osc.createTable(10), i=0, p=0; i<1024; i++, p+=0.00613592315) t[i] = log(Math.sin(p)); // sin=0
for (t=Osc.createTable(10), i=0, p=0.75; i<1024; i++, p-=0.00146484375) t[i] = log(p); // saw=1
for (t=Osc.createTable(5), i=0; i<16; i++) t[i+16] = (t[i] = log(ft[i]*0.0625)) + 1; // famtri=2
for (t=Osc.createTable(15), i=0; i<32768; i++) t[i] = log(Math.random()-0.5); // wnoize=3
for (i=0; i<8; i++) for (t=Osc.createTable(4), j=0; j<16; j++) t[j] = (j<=i) ? 192 : 193; // pulse=4-11
_zero = new Vector.<int>(bufferSize, true); // allocate zero buffer
_pipe = new Vector.<int>(bufferSize, true); // allocate fm pipe buffer
_output = new Vector.<Number>(bufferSize*2, true); // allocate stereo out
_bufferSize = bufferSize;
_callbackFrams = callbackFrams;
_onSoundFrame = onSoundFrame; // set parameters
for (i=0; i<bufferSize; i++) { _pipe[i]=_zero[i]=0; } // clear buffers
}
// calculate index of logTable
static public function log(n:Number) : int {
return (n<0) ? ((n<-0.00390625) ? (((int(Math.log(-n) * -184.66496523 + 0.5) + 1) << 1) + 1) : 2047)
: ((n> 0.00390625) ? (( int(Math.log( n) * -184.66496523 + 0.5) + 1) << 1) : 2046);
}
// Returns stereo output as Vector.<Number>(bufferSize*2).
public function render() : Vector.<Number> {
var i:int, j:int, ph:int, dph:int, mod:int, sh:int, tl:int, lout:int, v:int, imax:int,
osc:Osc, tm:Osc, l:Number, r:Number, wv:Vector.<int>, fm:Vector.<int>, base:Vector.<int>,
out:Vector.<int>=_pipe, lt:Vector.<int>=_logTable, stereoOut:Vector.<Number> = _output;
imax = _bufferSize<<1;
for (i=0; i<imax; i++) stereoOut[i] = 0;
for (imax=_callbackFrams; imax<=_bufferSize; imax+=_callbackFrams) {
if (_onSoundFrame!=null) _onSoundFrame();
tm = Osc._tm;
for (osc=tm.n; osc!=tm; osc=osc.update()) {
dph=_pitchTable[osc.pt]; ph=osc.ph; mod=osc.mod+10; sh=osc.sh; tl=osc.tl; wv=osc.wv;
fm=(osc.mod==0)?_zero:_pipe; base=(osc.out!=2)?_zero:_pipe;
for (i = imax-_callbackFrams; i < imax; i++) {
v = ((ph + (fm[i] << mod))& 0x3ffffff) >> sh;
lout = wv[v] + tl;
out[i] = lt[lout] + base[i];
ph = (ph + dph) & 0x3ffffff;
}
osc.ph = ph;
if (osc.out==0) {
l = _panTable[64-osc.pan] * 0.0001220703125;
r = _panTable[64+osc.pan] * 0.0001220703125;
for (i=imax-_callbackFrams, j=i*2; i<imax; i++) {
stereoOut[j] += out[i]*l; j++;
stereoOut[j] += out[i]*r; j++;
}
}
}
}
return stereoOut;
}
// note on
public function noteOn(pitch:int, length:int=0, vol:Number=0.5, wave:int=0, decay:int=6, sweep:int=0, pan:int=0) : Osc {
var osc:Osc = Osc.alloc().reset();
osc.pt = pitch;
osc.len = length;
osc.tl = log(vol);
osc.ws = wave;
osc.dr = decay<<2;
osc.sw = sweep;
osc.pan = pan;
return osc.activate(true);
}
}
class Osc {
// create new wave table and you can refer the table by '@' command.
static public function createTable(b:int) : Vector.<int> {
_w.push(new Vector.<int>(1<<b,true)); _s.push(26-b);
return _w[_w.length-1];
}
static public var _w:Array=[], _s:Array=[], _fl:Osc=new Osc(), _tm:Osc=new Osc();
static public function alloc():Osc{ if(_fl.p==_fl)return new Osc();var r:Osc=_fl.p;_fl.p=r.p;r.p.n=_fl;return r; }
public function into(x:Osc):Osc{ p=x.p;n=x;p.n=this;n.p=this;return this; }
public var p:Osc, n:Osc, fl:Osc, pt:int, len:int, ph:int;
public var tl:int, sw:int, dr:int, wv:Vector.<int>, sh:int, mod:int, out:int, pan:int;
public function set ws(t:int) : void { wv=_w[t]; sh=_s[t]; }
public function Osc() { p = n = this; }
public function update() : Osc { tl+=dr; pt+=sw; pt&=2047; return (--len==0||tl>3328) ? (inactivate().n) : n; }
public function reset() : Osc { ph=0; pt=0; len=0; tl=3328; sw=0; dr=24; pan=0; ws=0; mod=0; out=0; return this; }
public function activate(autoFree:Boolean=false) : Osc { into(_tm); fl=(autoFree)?_fl:null; return this; }
public function inactivate() : Osc { tl=3328; if(!fl)return this; var r:Osc=p; p.n=n; n.p=p; into(fl); return r; }
public function isActive() : Boolean { return (tl<3328); }
}