// forked from ABA's forked from: 音楽を付けざるを得ない from:from:Ground // forked from keim_at_Si's 音楽を付けざるを得ない from:from:Ground // Ground.as // Display a 3d ground surface and pillars. // Control: Arrow keys or [WASD] keys. package { import flash.display.Sprite; import flash.display.BitmapData; import flash.display.Bitmap; import flash.geom.Rectangle; import flash.events.Event; import flash.events.KeyboardEvent; import flash.events.SampleDataEvent; import flash.media.Sound; [SWF(width="465", height="465", backgroundColor="0x000000", frameRate="30")] public class Ground extends Sprite { private const SCREEN_WIDTH:int = 465; private const SCREEN_HEIGHT:int = 465; private const COUNT:int = 512; private const NEAR_PLANE_DIST:Number = 0.6; private const PROJECTION_RATIO:Number = 250; private const LOD_RATIO:Number = 1.05; private const LOD_START_COUNT:Number = 16; private const PILLARS_COUNT:int = 32; private const WIRE_WIDTH:int = 2; private const HAR_SPEED:Number = 11; private const BACK_R:int = 210, BACK_G:int = 190, BACK_B:int = 240; private var buffer:BitmapData; private var left:Boolean, up:Boolean, right:Boolean, down:Boolean; private var rect:Rectangle; private var degs:Array; private var index:int; private var offset:Number; private var gys:Array, gzs:Array, gcs:Array, gas:Array, gIndices:Array; private var gCount:int; private var sightX:Number, sightY:Number; private var pillars:Array; private var pillarRect:Rectangle; private var harX:Number, harY:Number; private var wireRect:Rectangle; private var _sound:Sound; private var _sequencer:Sequencer; private var _module:TinySiOPM; public function Ground() { buffer = new BitmapData(SCREEN_WIDTH, SCREEN_HEIGHT, false, 0); var screen:Bitmap = new Bitmap(buffer); addChild(screen); rect = new Rectangle; pillarRect = new Rectangle; gys = new Array; gzs = new Array; gcs = new Array; gas = new Array; gIndices = new Array; var di:Number = 0; var did:Number = 1.0; gCount = 0; while (di < COUNT) { gys.push(0.0); gzs.push(0.0); gcs.push(int(0)); gas.push(int(0)); gIndices.push(int(0)); if (di > LOD_START_COUNT) did *= LOD_RATIO; di += did; gCount++; } var i:int; degs = new Array; for (i = 0; i < COUNT; i++) { var d:Number; if (i < COUNT / 4) d = -0.001; else if (i < COUNT / 2) d = 0.002; else if (i < COUNT / 4 * 3) d = -0.003; else d = 0.004; degs.push(d); } pillars = new Array; for (i = 0; i < PILLARS_COUNT; i++) { var p:Pillar = new Pillar; p.x = (Math.random() * 2.0 - 1.0) * 200; p.z = Math.random() * COUNT; p.width = 2; p.height = 10 + Math.random() * 15; pillars.push(p); } index = 0; offset = 0; sightX = sightY = 0; harX = harY = 0; wireRect = new Rectangle; initializeSound(); _sound.play(); stage.addEventListener(KeyboardEvent.KEY_DOWN, onKeyDown); stage.addEventListener(KeyboardEvent.KEY_UP, onKeyUp); addEventListener(Event.ENTER_FRAME, onEnterFrame); } private function onEnterFrame(evt:Event):void { buffer.fillRect(buffer.rect, BACK_R * 0x10000 + BACK_G * 0x100 + BACK_B); goForward(3.3); drawGroundAndPillars(); updateHar(); } private function drawGroundAndPillars():void { var idx:int = index; var d:Number = degs[idx]; var dv:Number = -offset * d; var y:Number = 5 - offset * d; var z:Number = 1.0 - offset; var di:Number = 0; var did:Number = 1.0; var i:int; var gi:int = 0; var r:Number; for (i = 0; i < COUNT; i++) { var py:Number = y; var pz:Number = z; dv += degs[idx] + sightY * 0.00002; y += dv; z += 1.0; if (i > di) { r = Number(i) - di; gys[gi] = py * r + y * (1 - r); gzs[gi] = pz * r + z * (1 - r); var a:int = 255 - int(i * 255 / COUNT); gas[gi] = a; if (idx % 16 < 8) gcs[gi] = createColor(0x77, 0xbb, 0x77, a); else gcs[gi] = createColor(0x99, 0x99, 0x99, a); gIndices[gi] = idx; gi++; if (di > LOD_START_COUNT) did *= LOD_RATIO; di += did; } idx++; if (idx >= COUNT) idx = 0; } rect.x = 0; rect.width = SCREEN_WIDTH; var sx:Number; var sy:Number; var psy:Number = 99999; for (i = gCount - 1; i >= 0; i--) { y = gys[i]; z = gzs[i]; sy = y * NEAR_PLANE_DIST / z * PROJECTION_RATIO + SCREEN_HEIGHT / 2; if (sy > psy) { rect.y = psy; rect.height = sy - psy; buffer.fillRect(rect, gcs[i]); } if (i < gCount - 1) { for (var j:int = 0; j < PILLARS_COUNT; j++) { var p:Pillar = pillars[j]; if (gIndices[i] > gIndices[i + 1]) { drawPillar(p, gIndices[i], gIndices[i + 1] + COUNT, i); drawPillar(p, gIndices[i] - COUNT, gIndices[i + 1], i); } else { drawPillar(p, gIndices[i], gIndices[i + 1], i); } } } psy = sy; } } private function drawPillar(p:Pillar, si:int, ei:int, i:int):void { if (p.z >= si && p.z < ei) { var r:Number = Number(ei - p.z) / (ei - si); var y:Number = gys[i] * r + gys[i + 1] * (1 - r); var z:Number = gzs[i] * r + gzs[i + 1] * (1 - r); var sx:Number = (p.x - sightX) * NEAR_PLANE_DIST / z * PROJECTION_RATIO + SCREEN_WIDTH / 2; var sy:Number = y * NEAR_PLANE_DIST / z * PROJECTION_RATIO + SCREEN_HEIGHT / 2; var sh:Number = NEAR_PLANE_DIST / z * PROJECTION_RATIO; for (var j:int = 0; j < 5; j++) { pillarRect.x = sx - sh * p.width * 2 / 5 * j; pillarRect.y = sy - sh * p.height; pillarRect.width = sh * p.width * 2 / 5; pillarRect.height = sh * p.height * 2; buffer.fillRect(pillarRect, createColor(0x77 + 0x11 * j, 0x77 + 0x11 * j, 0xcc, gas[i])); } } } private function createColor(r:int, g:int, b:int, a:int):int { return int((r * a + BACK_R * (256 - a)) / 256) * 0x10000 + int((g * a + 230 * (256 - a)) / 256) * 0x100 + int((b * a + BACK_B * (256 - a)) / 256); } private function goForward(v:Number):void { offset += v; while (offset >= 1.0) { offset -= 1.0; index++; if (index >= COUNT) index -= COUNT; } } private function updateHar():void { if (right && harX < SCREEN_WIDTH / 2 - 20) harX += HAR_SPEED; if (left && harX > -SCREEN_WIDTH / 2 + 20) harX -= HAR_SPEED; if (up && harY < SCREEN_HEIGHT / 2 - 40) harY += HAR_SPEED; if (down && harY > -SCREEN_HEIGHT / 2 + 40) harY -= HAR_SPEED; sightX = harX * 0.4; sightY = harY * 0.6; var hx:int = harX + SCREEN_WIDTH / 2; var hy:int = harY + SCREEN_HEIGHT / 2; rect.x = hx - 12; rect.y = hy - 30; rect.width = 20; rect.height = 40; drawWireBox(rect, 0xdd7777); rect.x++; drawWireBox(rect, 0xaa4444); rect.x = hx - 14; rect.y = hy - 45; rect.width = 16; rect.height = 20; drawWireBox(rect, 0xdddd77); rect.x++; drawWireBox(rect, 0xaaaa44); rect.x = hx - 20; rect.y = hy + 5; rect.width = 12; rect.height = 40; drawWireBox(rect, 0x77dddd); rect.x++; drawWireBox(rect, 0x44aaaa); rect.x = hx - 1; rect.y = hy + 10; rect.width = 15; rect.height = 25; drawWireBox(rect, 0x77dddd); rect.x++; drawWireBox(rect, 0x44aaaa); rect.x = hx - 1; rect.y = hy - 12; rect.width = 16; rect.height = 16; drawWireBox(rect, 0xee4444); rect.x++; drawWireBox(rect, 0xbb2222); } private function drawWireBox(rect:Rectangle, color:int):void { wireRect.x = rect.x; wireRect.y = rect.y; wireRect.width = rect.width; wireRect.height = WIRE_WIDTH; buffer.fillRect(wireRect, color); wireRect.y = rect.y + rect.height - WIRE_WIDTH; buffer.fillRect(wireRect, color); wireRect.y = rect.y; wireRect.width = WIRE_WIDTH; wireRect.height = rect.height; buffer.fillRect(wireRect, color); wireRect.x = rect.x + rect.width - WIRE_WIDTH; buffer.fillRect(wireRect, color); } private function onKeyUp(evt:KeyboardEvent):void { switch (evt.keyCode) { case 0x25: case 0x41: left = false; break; case 0x26: case 0x57: up = false; break; case 0x27: case 0x44: right = false; break; case 0x28: case 0x53: down = false; break; } } private function onKeyDown(evt:KeyboardEvent):void { switch (evt.keyCode) { case 0x25: case 0x41: left = true; break; case 0x26: case 0x57: up = true; break; case 0x27: case 0x44: right = true; break; case 0x28: case 0x53: down = true; break; } } private function initializeSound():void { var A:String,B:String,C:String,D:String,E:String,F:String,G:String,H:String; var M1:String="[f6ee16>g4a4<f6ee16>a+<crrf6ee16d4e4f16g+6g6f4]"; var M2:String="[e20>l4eg<d|c+12>a+a10gf2ef2d6el3fef2gfg2a12g+4<f8d8]"; var M3:String="c+16l2rec+>a+agfed12e4l3fef2gfg2a12g2<g10l1gab<cdefgl2o7"; A ="@11s8o6l2[[c12cc18|c10crc18]|c10<crc18]dddrrdrcr16> [s6"+M1+M2+M3+"]"; B ="@7l2[4e12ef18|f10fre18]fffrrfrer16 [l2s6v6[[c6>brr<d6crr>|b<crrc6>a+rr<d6crr>a+<crr]b4<c4c10dedd6c6d4]"; B+="s2l4[e28dc+16>a+8ag<d16c8d8|c16d8f8]c14g18]"; C ="@7l2[4c12cc18|c10crc18]dddrrdrcr16 >[l2s6v6[[g6grrg6grrggrr]8a6arra6al4raaf10l6ag+g+f4l2]"; C+="s2[l32gef|l16fg+]f14g18]"; D ="@7l2[4g12ga18|g+10g+rg18]g+g+g+rrg+rgr16 [v6o6k2"+M1+M2+M3+"]"; E ="@1s14l2o3[56c<c>]<cccrrcrc>r16 [[[8c<c>]>[8a+<a+>][7a<a>]g<g>[8f<f>]|<]"; E+="[[8e<e>][8a<a>][8d<d>]|[8f<f>]][4f<f>]g<g>a<a>a+<a+>b<b]"; F ="v10@3s32o0k4r116cr[4c1][12r4c4]l2cccl1ccc2l2crcrr[12c1] [[32r4c4] [30r4c4]c4c4c2c2l1cccc]"; G ="v4@3s64o0l1[224d]r32 [1024d]"; H ="v16w32s48o4[56c]l2cccl1<gec2>l2crcrrl1<[4g][4e][4c]> l8[128c]"; _sound = new Sound(); _sound.addEventListener("sampleData", _onSoundStream); _module = new TinySiOPM(8192, _onSoundFrame); _sequencer = new Sequencer(4, [A,B,C,D,E,F,G,H]); } private function _onSoundFrame():void { _sequencer.onSequence(); } private function _onSoundStream(e:SampleDataEvent):void { var out:Vector.<Number> = _module.render(); for (var i:int=0; i<8192; i++) { e.data.writeFloat(out[i]); e.data.writeFloat(out[i]); } } } } class Pillar { public var x:Number; public var z:Number; public var width:Number; public var height:Number; } class Sequencer { private var tracks:Array, count:int=Track.speed+1; function Sequencer(speed:int, mmls:Array) { Track.speed=speed; mml=mmls; } public function onSequence() : void { if (++count == Track.speed) { for each (var tr:Track in tracks) tr.execute(); count = 0; } } 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, note:Note; private var _rex:RegExp=/([a-gklorsvw<>[|\]$@])([#+])?(\d+)?/g; function Track(seq:String) { note = new Note(false); reset(seq); } public function reset(seq_:String) : void { seq=seq_; oct=5; len=4; tl=256; dt=0; cnt=0; sgn=0; _rex.lastIndex=0; stac=[]; } public function execute() : void { if (--cnt <= 0) { while (true) { var res:* = _rex.exec(seq); if (!res) { if (sgn) { _rex.lastIndex = sgn; continue; } else { cnt = int.MAX_VALUE; break; } } var cmd:int = res[1].charCodeAt(); if (cmd>=codeA && cmd<=codeA+6) { cnt = (res[3])?int(res[3]):len; if (note.isPlaying()) note.stop(); note.len = cnt*speed; note.tl = tl; note.play(((nt[cmd-codeA]+oct*12+((res[2])?1:0))<<4)+dt); break; } else if (res[1] == 'r') { cnt = (res[3])?int(res[3]):len; if (note.isPlaying()) note.stop(); break; } else { switch(res[1]){ case 'k': dt = int(res[3]); break; case 'l': len = int(res[3]); break; case 'o': oct = int(res[3]); break; case 'v': tl = TinySiOPM.log(int(res[3])*0.0625); break; case '<': oct++; break; case '>': oct--; break; case '@': note.ws = int(res[3]); break; case 's': note.dr = int(res[3])<<2; break; case 'w': note.sw = -int(res[3]); break; case '$': sgn = _rex.lastIndex; break; case '[': stac.unshift({p:_rex.lastIndex,c:((res[3])?int(res[3]):2),j:0}); break; case ']': stac[0].j = _rex.lastIndex; if (--stac[0].c == 0) stac.shift(); else _rex.lastIndex = stac[0].p; break; case '|': if (stac[0].c == 1) { _rex.lastIndex = stac[0].j; stac.shift(); } break; } } } } } } class TinySiOPM { private var _output:Vector.<Number>, _bufferSize:int, _frameCallBack:Function; private var _pitchTable:Vector.<int> = new Vector.<int>(2048, true); private var _logTable:Vector.<Number> = new Vector.<Number>(6144, true); // Pass the buffer size and the function calls in each frame. function TinySiOPM(bufferSize:int=2048, frameCallBack: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)*0.0001220703125, j=i; j<3328; v*=0.5, j+=256) _logTable[j+1] = -(_logTable[j] = v); for (i=3328; i<6144; i++) _logTable[i] = 0; // [3328:6144] is 0-fill area for (t=Note.table(10), i=0, p=0; i<1024; i++, p+=0.00613592315) t[i] = log(Math.sin(p)); // sin=0 for (t=Note.table(10), i=0, p=0.75; i<1024; i++, p-=0.00146484375) t[i] = log(p); // saw=1 for (t=Note.table(5), i=0; i<16; i++) t[i+16] = (t[i] = log(ft[i]*0.0625)) + 1; // famtri=2 for (t=Note.table(15), i=0; i<32768; i++) t[i] = log(Math.random()-0.5); // wnoize=3 for (i=0; i<8; i++) for (t=Note.table(4), j=0; j<16; j++) t[j] = (j<=i) ? 192 : 193; // pulse=4-11 _output = new Vector.<Number>(bufferSize, true); // allocate monoral buffer _bufferSize = bufferSize; _frameCallBack = frameCallBack; // set parameters } // 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 monoral output as Vector.<Number>(bufferSize). public function render() : Vector.<Number> { var note:Note, rep:int, i:int, imax:int, ph:int, dph:int, lout:int, v:int; for (i=0; i<_bufferSize; i++) _output[i] = 0; for (imax=1024; imax<=_bufferSize; imax+=1024) { if (_frameCallBack!=null) _frameCallBack(); var terminal:Note = Note._tm; for (note=terminal.n; note!=terminal; note=note.step()) { dph = _pitchTable[note.pt]; for (i = imax-1024; i < imax; i++) { ph = note.ph>>note.sh; lout = note.wv[ph] + note.tl; _output[i] += _logTable[lout]; note.ph = (note.ph+dph)&0x3ffffff; } } } return _output; } // note on public function noteOn(pitch:int, length:int, vol:Number=0.5, wave:int=0, decay:int=6, sweep:int=0) : Note { var note:Note = Note.alloc(); note.len = length; note.tl = log(vol); note.ws = wave; note.dr = decay<<2; note.sw = sweep; return note.play(pitch); } } class Note { static public var _w:Array=[], _s:Array=[], _fl:Note=new Note(), _tm:Note=new Note(); static public function alloc():Note {if(_fl.p==_fl)return new Note();var r:Note=_fl.p;_fl.p=r.p;r.p.n=_fl;return r.reset();} static public function table(b:int):Vector.<int>{_w.push(new Vector.<int>(1<<b,true));_s.push(26-b);return _w[_w.length-1];} public function into(x:Note):Note{ p=x.p;n=x;p.n=this;n.p=this;return this; } public function step():Note { tl+=dr; pt+=sw; pt&=2047; return (--len==0||tl>3328) ? (stop().n) : n; } public var p:Note, n:Note, pt:int, tl:int, sw:int, dr:int, wv:Vector.<int>, sh:int, len:int, ph:int, fl:Note; function Note(useFreeList:Boolean=true) { p=n=this; fl=(useFreeList)?_fl:null; reset(); } public function set ws(t:int) : void { wv=_w[t]; sh=_s[t]; } public function play(pitch:int) : Note { into(_tm); pt=pitch; return this; } public function stop() : Note { var r:Note=p; p.n=n; n.p=p; if(fl)into(fl); pt=-1; return r; } public function reset() : Note { ph=0; pt=-1; len=0; tl=256; sw=0; dr=24; ws=0; return this; } public function isPlaying() : Boolean { return (pt>=0); } }