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js.js
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/** Initializations **/
// Debug
_ = function(a){ console.log(a) }
// Names of places, capitols, us capitols, countries, us states, in one string (0: category separator, 1: difficulty separator)
g = "Cape canaveralChrist the redeemerThe great chinese wallThe great sphinxThe eiffel towerTower of pisaMount everestSagrada familiaBig benThe statue of libertyForbidden cityThe pyramids of gizaThe palace of versaillesAcropolisTrevi fountainKremlinLoch nessAtomiumLascaux cavesMont st. michelPiazza san marcoThe grand canyonMillau bridgeRock of gibraltarThe empire state buildingHollywood signTimes squareLouvre museumWhite houseFlorence cathedralLas vegasMadrid palaceCentral parkSistine chapelPiazza del campo1Machu picchuThe burj al arab hotelSt. peter's cathedralKilimanjaroCapitol hillLuxor templeGolden gate bridgeBurj khalifaAlcatrazEphesusManneken pisMount eden craterNorth capeSt. basil's cathedralVictoria fallsThe great buddhaLotus templeThe colosseumAbu simbelPetronas twin towersYellowstoneNiagara fallsThe taj mahalMount fujiMeccaAuschwitzStonehengeMount rushmorePentagonCape of good hopeOpera houseParc guellPompeiiDead sea1WaterlooEaster islandEvergladesCloud gateRialto bridgeWillis towerLittle mermaidTower bridgeThe blue mosqueNevado mismiTable mountainMinaret of jamAngkor watFaisal mosqueNeuschwanstein castleGolden temple of amritsarAl aqsa mosqueTemple of besakihChichen itzaBran castleHagia sophiaUluruBrandenburg gateBlue domed churchTaal lakeCheyenne mountainKiyomizu-deraPetraTombouctouKultury i nauki palace0AlgiersBuenos airesCanberraViennaBrusselsBrasiliaSofiaOttawaSantiagoBeijingZagrebHavanaPragueCopenhagenQuitoCairoTallinnHelsinkiParisBerlinAthensBudapestReykjavikNew delhiJakartaTehranBaghdadDublinJerusalemRomeKingstonTokyoBeirutVilniusLuxembourgSkopjeAntananarivoMexico cityMonacoRabatKathmanduAmsterdamWellingtonPyongyangOsloRamallahAsunciónLimaManilaWarsawLisbonBucharestDohaMoscowRiyadhSingaporeBratislavaLjubljanaPretoriaSeoulMadridStockholmBernTaipeiTunisAnkaraKyivMontevideoAbu dhabiLondonWashington d.c.CaracasVatican cityHanoiGeorgetownTripoli1KabulAndorra la vellaTiranaMinskSarajevoOuagadougouYaoundéBanguiBrazzavilleKinshasaYamoussoukroSan joseBogotáLa pazPraiaNicosiaPorto-novoPhnom penhRoseauSanto domingoMalaboGuatemala cityPort-au-princeTegucigalpaAmmanAstanaPristinaKuwait cityVientianeNairobiKuala lumpurBamakoVallettaChisinauIslamabadPanama citySan marinoDakarBelgradeVictoriaMogadishuSri jayawardenepura kotteKhartoumDodomaBangkokSana'aHarare1Saint john'sYerevanBakuLuandaNassauManamaDhakaBridgetownBelmopanThimphuGaboroneBandar seri begawanBujumburaN'djamenaMoroniDjiboutiSan salvadorAsmaraAddis ababaSuvaLibrevilleBanjulTbilisiAccraSt. george'sConakryBissauSouth tarawaBishkekRigaMaseruMonroviaVaduzLilongweMaleMajuroNouakchottPort louisPalikirUlaanbaatarPodgoricaMaputoNaypyidawWindhoekYaren districtManaguaNiameyAbujaMuscatNgerulmudPort moresbyKigaliBasseterreCastriesKingstownApiaSão toméFreetownHoniaraJubaParamariboMbabaneDamascusDushanbeDiliLoméNuku'alofaPort of spainAshgabatFunafutiKampalaTashkentPort vilaLusakaZZZZ0HonoluluJuneauOlympiaCarson citySanta feAlbanyTallahasseeSpringfieldColumbusProvidenceColumbiaAustinSalt lake cityRichmondCharlestonHarrisburgBostonRaleighMontgomerySacramentoDenverAtlantaLansing1BismarckHelenaLincolnPhoenixLittle rockConcordTrentonHartfordDoverOklahoma cityBoiseSalemIndianapolisDes moinesTopekaPierreFrankfortNashvilleBaton rougeAugustaAnnapolisMontpelierSt. paulJacksonMadisonJefferson cityCheyenne0AlgeriaArgentinaAustraliaAustriaBelgiumBrazilBulgariaCanadaChileChinaCroatiaCubaCzech republicDenmarkEcuadorEgyptEstoniaFinlandFranceGermanyGreeceHungaryIcelandIndiaIndonesiaIranIraqIrelandIsraelItalyJamaicaJapanLebanonLithuaniaLuxembourgMacedoniaMadagascarMexicoMonacoMoroccoNepalNetherlandsNew zealandNorth koreaNorwayPalestineParaguayPeruPhilippinesPolandPortugalRomaniaQatarRussiaSaudi arabiaSingaporeSlovakiaSloveniaSouth africaSouth koreaSpainSwedenSwitzerlandTaiwanTunisiaTurkeyUkraineUruguayUnited arab emiratesUnited kingdomU.s.a.VenezuelaVatican cityVietnamGuyanaLibya1AfghanistanAndorraAlbaniaBelarusBosnia and herzegovina Burkina fasoCameroonCentral african republicRepublic of the congo Democratic republic of the congo Cote d'ivoireCosta ricaColombiaBoliviaCabo verdeCyprusBeninCambodiaDominicaDominican republicEquatorial guineaGuatemalaHaitiHondurasJordanKazakhstanKosovoKuwaitLaosKenyaMalaysiaMaliMaltaMoldovaPakistanPanamaSan marinoSenegalSerbiaSeychellesSomaliaSri lankaSudanTanzaniaThailandYemenZimbabwe1Antigua and barbudaArmeniaAzerbaijanAngolaBahamasBahrainBangladeshBarbadosBelizeBhutanBotswanaBruneiBurundiChadComorosDjiboutiEl salvadorEritreaEthiopiaFijiGabonGambiaGeorgiaGhanaGrenadaGuineaGuinea-bissauKiribatiKyrgyzstanLatviaLesothoLiberiaLiechtensteinMalawiMaldivesMarshall islandsMauritaniaMauritiusMicronesiaMongoliaMontenegroMozambiqueMyanmarNamibiaNauruNicaraguaNigerNigeriaOmanPalauPapua new guineaRwandaSaint kitts and nevisSaint luciaSaint vincent and the grenadinesSamoaSao tome and principeSierra leoneSolomon islandsSouth sudanSurinameSwazilandSyriaTajikistanTimor-lesteTogoTongaTrinidad and tobagoTurkmenistanTuvaluUgandaUzbekistanVanuatuZambia1ZZZZ0HawaiiAlaskaWashingtonNevadaNew mexicoNew yorkFloridaIllinoisOhioRhode islandSouth carolinaTexasUtahVirginiaWest virginiaPennsylvaniaMassachusettsNorth carolinaAlabamaCaliforniaColoradoGeorgiaMichigan1North dakotaMontanaNebraskaArizonaArkansasNew hampshireNew jerseyConnecticutDelawareOklahomaIdahoOregonIndianaIowaKansasSouth dakotaKentuckyTennesseeLouisianaMaineMarylandVermontMinnesotaMississippiWisconsinMissouriWyoming1ZZ".split(0);
// Context2d
h = $.getContext("2d");
// Math
m = Math;
// Game state
n = 0;
// Frame counter
o = 0;
// Puzzle score
p = 50000;
// Current level score
q = 30000;
// Total score
r = 0;
// Stars position and size
s = []; for(i = 0; i < 300; i++) s[i] = [m.random() * 1200, m.random() * 650, m.random() + .5];
// Text
t = function(x, y, text, size, color, align){
size = size || 50;
color = color || "#fff";
align = align || "center";
h.textAlign = align;
h.fillStyle = color;
h.font = size + "px Impact, Charcoal";
h.strokeStyle = "#000";
h.strokeText(text, x, y);
h.fillText(text, x, y);
}
// Stars scroll offset
u = 0;
// Earth rotation offset
v = 0;
// Time out
z = 0;
// Current level / puzzle
A = 0;
B = 0;
// Capitols - country map
D = { };
// Click coords
X = 0;
Y = 0;
/** Gather & shuffle the data **/
// Load the game's data in AJAX, as an arrayBuffer, from the file called "1"
a = new XMLHttpRequest;
a.open("GET", 1);
a.responseType = 'arraybuffer';
a.send();
a.onload = function(){
b = new Uint8Array(a.response);
c = 0;
// Reconstitute all the data
// For each category
for(i in g){
g[i] = g[i].split(1);
// For each difficulty
for(j in g[i]){
g[i][j] = g[i][j].split(/(?=[A-Z])/);
// For each name
for(k in g[i][j]){
// Make an array with the name and the coordinates
// 2 coordinates for places, capitols, us capitols
if(i < 3){
g[i][j][k] = [g[i][j][k], [b[c], b[c+1]]];
c += 2;
}
// List of coordinates separated by 254 for countries and us states
else{
g[i][j][k] = [g[i][j][k], []];
while(b[c]!= 254 && c < b.length){
g[i][j][k][1].push(b[c]);
c++;
}
c++;
}
}
}
}
for(i in g[1]){
for(j in g[1][i]){
if(g[3][i][j]){
D[g[1][i][j][0]] = g[3][i][j][0];
}
}
}
for(i in g[2]){
for(j in g[2][i]){
if(g[4][i][j]){
D[g[2][i][j][0]] = g[4][i][j][0];
}
}
}
// Hack for Algeria
g[3][0][0][1] = [105,81,107,78,113,76,112,82,114,88,114,97,116,102,111,109,109,110,100,95,99,93,106,85,255,109,78];
// Hack for Tallahassee
g[2][0][6][1] = [207,218];
// Hack for Bangui
g[1][1][7][1] = [121,137];
// Hack for raleigh
g[2][0][17][1] = [226,182];
// Hack to remove the last capitols
delete g[1][2][74];
delete g[1][2][75];
delete g[1][2][76];
delete g[1][2][77];
// Launch game
w();
}
/** Game loop **/
w = function(){
// Reset canvas
$.width ^= 0;
// Welcome screen
if(n == 0){
// Background
h.fillRect(0,0,1200,650);
// Stars
u--;
u %= 1200;
for(i = 0; i < 300; i++){
h.fillStyle = "#fff";
h.beginPath();
h.arc(a = s[i][0] + u, b = s[i][1], c = s[i][2] + m.random() * .2, 0, 7);
h.arc(1200 + a, b, c, 0, 7);
h.fill();
}
// Earth
// Background
h.beginPath();
gradient = h.createLinearGradient(300,0,600,0);
gradient.addColorStop(0,"#75D1FF");
gradient.addColorStop(1,"#3591bF");
h.fillStyle = gradient;
h.arc(470, 260, 140, 0, 7);
h.fill();
// Rotation
v++;
v %= 220;
// Draw countries
h.strokeStyle = "#83864F";
h.fillStyle = "#95D866";
// Loop on difficulties
for(i = 4; i--;){
// Loop on countries
for(j = 0; j < g[3][i].length; j++){
// Current country (avoid the gap fillers)
if((i == 3 && j == 3)) a = [];
else a = g[3][i][j][1];
// Loop on coordinates
for(k = 0; k < a.length; k += 2){
// Start new island
if(a[k] == 255){
k++;
h.closePath();
h.fill();
h.stroke();
h.beginPath();
}
// Hack
if(a[k + 1] == 255){
k += 2;
h.closePath();
h.fill();
h.stroke();
h.beginPath();
}
// Current point
x = (a[k] - v + 100) / 110;
y = (a[k+1] - 120) / 150;
while(x > 1) x -= 2;
if(x > -1 && x < -.5) x = -0.5;
if(x > .5 && x < 1) x = 0.5;
// Fix canada & russia
if(!k && g[3][i][j][0] != "Russia" && g[3][i][j][0] != "Canada"){
if(x < 0) b = -.5;
else b = .5;
}
if(g[3][i][j][0] == "Russia"){
b = .5;
if(v > 50) b = -.5;
if(v > 160) b = .5;
}
if(g[3][i][j][0] == "Canada"){
b = .5;
if(v > 160) b = -.5;
if(v < 50) b = -.5;
}
if((x <= -.5 || x >= .5)) x = b;
x = m.sin(x * m.PI) * m.cos(y * m.PI / 2);
y = m.sin(y * m.PI / 2);
x = x * 140 + 470;
y = y * 140 + 260;
// Start country
if(k == 0){
h.beginPath();
h.moveTo(x, y);
}
// Continue country
h.lineTo(x, y);
}
h.closePath();
h.fill();
h.stroke();
}
}
// Text
t(180, 375, "GE", 300);
t(890, 375, "Quiz", 300);
t(990, 405, "JS13kGames 2015", 30);
t(600, 570, "START", 80);
}
// Level presentation screen
else if(n == 1){
// Background
h.fillRect(0, 0, 1200, 650);
// Text
t(600, 280, "Level " + (A + 1) + ":", 60);
t(600, 360, [
"Countries (easy)",
"Capitols (easy)",
"Famous places (easy)",
"Countries (medium)",
"Capitols (medium)",
"U.S. states (medium)",
"Famous places (medium)",
"U.S. capitols (medium)",
"World countries (hard)",
"U.S. states (hard)",
"Famous places (hard)",
"U.S. capitols (hard)",
"Capitols (hard)"
][A], 60);
t(600, 450, "START", 30);
}
// Puzzle screen
else if(n == 2 || n == 3){
// Puzzles list
C = [
g[3][0],
g[1][0],
g[0][0],
g[3][1],
g[1][1],
g[4][0],
g[0][1],
g[2][0],
g[3][2],
g[4][1],
g[0][2],
g[2][1],
g[1][2]
][A];
// Draw US map
if(A == 5 || A == 7 || A == 9 || A == 11){
f = 4
}
// Draw world map
else{
f = 3;
}
// Loop on difficulties
for(i = g[f].length; i--;){
// Loop on countries
for(j = 0; j < g[f][i].length; j++){
// Current country
a = g[f][i][j][1];
// Loop on coordinates
for(k = 0; k < a.length; k += 2){
// Start new island
if(a[k] == 255){
k++;
h.closePath();
h.fill();
h.stroke();
h.beginPath();
}
// hack
if(a[k + 1] == 255){
k += 2;
h.closePath();
h.fill();
h.stroke();
h.beginPath();
}
// Current point
x = a[k] * (f == 4 ? 4.8 : 4.9);
y = a[k + 1] * (f == 4 ? 2.46 : 2.35) + (f == 4 ? 38 : 65);
if(B == 4 || B == 9){
x = 1200 - x;
y = 715 - y;
}
// Start country
if(k == 0){
h.beginPath();
h.strokeStyle = B < 5 ? "#83864F" : "#000";
h.fillStyle = B < 5 ? "#95D866" : "#000";
"#95D866";
h.moveTo(x, y);
}
// Continue country
h.lineTo(x, y);
}
h.closePath();
h.fill();
h.stroke();
}
}
// Time out
if(n == 2){
if(o == 0){
n = 3;
o = 60;
z = 1;
}
}
// Puzzle feedback
if(n == 3){
// Draw target
a = C[B][1];
//_(C[B]);
// Country / State
if(A == 0 || A == 3 || A == 5 || A == 8 || A == 9){
// Draw country/state in yellow
h.fillStyle = "yellow";
h.beginPath();
// Loop on coordinates
for(k = 0; k < a.length; k += 2){
// Start new island
if(a[k] == 255){
k++;
h.closePath();
h.fill();
h.stroke();
if(o == 60){
if(h.isPointInPath(X, Y)){
p = 0;
c = [X, Y];
}
}
h.beginPath();
}
// hack
if(a[k + 1] == 255){
k += 2;
h.closePath();
h.fill();
h.stroke();
if(o == 60){
if(h.isPointInPath(X, Y)){
p = 0;
c = [X, Y];
}
}
h.beginPath();
}
// Current point
x = a[k] * (f == 4 ? 4.8 : 4.9);
y = a[k + 1] * (f == 4 ? 2.46 : 2.35) + (f == 4 ? 38 : 65);
if(B == 4 || B == 9){
x = 1200 - x;
y = 715 - y;
}
// Test if it's the closest point to where we clicked
if(o == 60){
b = m.sqrt(m.pow(x - X, 2) + m.pow(y - Y, 2));
if(b < p){
p = b;
c = [x, y];
}
}
// Start country
if(k == 0){
h.beginPath();
h.moveTo(x, y);
}
// Continue country
h.lineTo(x, y);
}
h.closePath();
h.fill();
h.stroke();
if(o == 60){
if(h.isPointInPath(X, Y)){
p = 0;
c = [X, Y];
}
}
}
// Place / capitol
else {
x = a[0] * (f == 4 ? 4.8 : 4.9);
y = a[1] * (f == 4 ? 2.46 : 2.35) + (f == 4 ? 38 : 65);
if(B == 4 || B == 9){
x = 1200 - x;
y = 715 - y;
}
h.fillStyle = "yellow";
h.beginPath();
h.arc(x, y, 10, 0, 7);
h.fill();
if(o == 60){
b = m.sqrt(m.pow(x - X, 2) + m.pow(y - Y, 2));
p = b;
c = [x, y];
}
}
if(o < 60){
// Tell the country of the current capitol
if(A == 1 || A == 4 || A == 7 || A == 11 || A == 12){
t(600, 630, C[B][0].toUpperCase() + " IS THE CAPITOL OF " + D[C[B][0]].toUpperCase(), 40, "#fff", "center");
}
}
// If not timeout
if(!z){
// Drop flags, trace red line
if(p > 5){
h.fillStyle = "green";
h.strokeStyle = "green";
h.beginPath();
h.moveTo(c[0], c[1]);
h.lineTo(c[0]-1, c[1]);
h.lineTo(c[0]-1, c[1]-40);
h.lineTo(c[0], c[1]-40);
h.lineTo(c[0]+20, c[1]-30);
h.lineTo(c[0], c[1]-20);
h.stroke();
h.fill();
h.strokeStyle = "red";
h.lineWidth = "2";
h.setLineDash([5, 5]);
h.beginPath();
h.moveTo(X, Y);
h.lineTo(c[0], c[1]);
h.stroke();
}
h.setLineDash([0,0]);
h.fillStyle = "blue";
h.strokeStyle = "blue";
h.beginPath();
h.moveTo(X,Y);
h.lineTo(X-1, Y);
h.lineTo(X-1, Y-40);
h.lineTo(X, Y-40);
h.lineTo(X+20, Y-30);
h.lineTo(X, Y-20);
h.stroke();
h.fill();
}
// Update score
if(o == 45){
if(A == 5 || A == 7 || A == 9 || A == 11){
e = (p < 100 ? (~~(p/10)) * 100 : (~~(p/100)) * 1000);
q -= z ? 5000 : e;
}
else{
e = (p < 100 ? (~~(p/4)) * 100 : (~~(p/40)) * 1000);
q -= z ? 10000 : e;
}
}
// Text
if(o < 45){
if(z){
t(600, 350, "TIME OUT", 100, B < 5 ? "#000" : "#fff");
if(A == 5 || A == 7 || A == 9 || A == 11){
t(600, 400, "5,000km penalty", 50, B < 5 ? "#000" : "#fff");
}
else {
t(600, 400, "10,000km penalty", 50, B < 5 ? "#000" : "#fff");
}
}
else{
t(600, 350, p > 5 ? e + "km away" : "PERFECT", 100, B < 5 ? "#000" : "#fff")
}
}
d = 0;
// Game over
if(q <= 0){
q = 0;
d = 1;
}
// Go to black screen before next puzzle
if(o == 0) {
n = 4;
o = 15;
}
}
// UI
h.beginPath();
h.fillStyle = "#000";
h.rect(0, 0, 1200, 66);
h.fill();
h.closePath();
h.beginPath();
h.fillStyle = "#fff";
if(n == 2){
h.rect(0, 60, o * 4, 5);
h.fill();
}
h.closePath();
t(10, 45,
[
"Country",
"Capitol",
"Place",
"Country",
"Capitol",
"U.S. state",
"Place",
"U.S. capitol",
"Country",
"U.S. state",
"Place",
"U.S. capitol",
"Capitol"
][A]
+ ": " +
C[B][0].toUpperCase(), 40, 0, "left");
t(1190, 45, q + "km remaining", 40, 0, "right");
}
// Black screen between puzzles
if(n == 4){
// Game over
if(d){
n = 5;
}
// Prepare next screen
h.fillRect(0,0,1200,650);
if(o == 0){
// Reset click
X = 0;
Y = 0;
// Next puzzle
B++;
n = 2;
p = 50000;
o = 300;
z = 0;
// Or next level
if(B > 9){
B = 0;
A++;
n = 1;
r += q;
q = 30000;
if(A == 5 || A == 7 || A == 9 || A == 11){
q = 15000;
}
// Or you won
if(A > 12){
n = 5;
}
// Faster music when we change levels
M.t *= 1.075;
}
// Revert music on puzzles 4 and 9 (and revert it back to normal after)
if(B == 4 || B == 9){
M.r = true;
}
else {
M.r = false;
}
// Black music on puzzles 5 to 9 (and revert it back to normal after)
if(B >= 4 && B <= 9){
M.s = 0.0;
M.h = [60,10];
M.b = 1.5;
M.c = 0.6;
}
else {
M.s = 0.1;
M.h = [22,8,9,3,2,1];
M.b = 1.5;
M.c = 0.1;
}
}
}
// Game over
if(n == 5){
h.fillRect(0,0,1200,650);
// Text
t(600, 280, A == 13 ? "YOU WON!" : "GAME OVER!");
t(600, 360, "Level " + (A + 1) + " ~ total score: " + r + "km", 40);
t(600, 450, "REPLAY?", 30);
Z.style.display = "block";
}
// Update frame counter
if(o) o--;
setTimeout(w, 33);
}
/** Handle Clicks **/
$.onclick = function(a){
// Home screen => Level presentation screen
if(n == 0){
n = 1;
// Shuffle data now
b = function(){return .5 - m.random()}
g[0][0].sort(b); // Places easy
g[0][1].sort(b); // Places medium
g[0][2].sort(b); // Places hard
g[1][0].sort(b); // Capitols easy
g[1][1].sort(b); // Capitols medium
g[1][2].sort(b); // Capitols hard
g[2][0].sort(b); // US capitols easy
g[2][1].sort(b); // US capitols hard
g[3][0].sort(b); // Countries easy
g[3][1].sort(b); // Countries medium
g[3][2].sort(b); // Countries hard
g[4][0].sort(b); // US states easy
g[4][1].sort(b); // US states hard
//_(g);
}
// Level presentation screen => Puzzle screen
else if(n == 1){
n = 2;
o = 300;
}
// Puzzle screen => Puzzle feedback
else if(n == 2){
X = a.pageX;
Y = a.pageY;
n = 3;
o = 60;
}
// Game over => replay
else if(n == 5){
window.location = window.location;
}
// Other game states don't require clicking
}
// Music by Anders Kaare
// http://veralin.dk/2k.html
M=new (function(){
if (!window.AudioContext) return;
var M=this;
var ctx=new AudioContext;
var node=ctx.createScriptProcessor(4096,0,1);
// "constants"
var RATE=ctx.sampleRate/48e3;
var FLOOR=Math.floor;
var POW=Math.pow;
var SIN=Math.sin;
var RND=Math.random;
var NSIN=function(x){return SIN(x)+RND()*0.6};
var P2=Math.PI*2;
var PRB=function(x){return RND()<x;};
var OSC=function(fn){
var x=0;
return function(note) {
x+=POW(2,note/12)*RATE;
if(x>P2)x-=P2;
return fn(x);
};
};
var SEQ = [
[0,1,4,5,7,10,12],
[-2,0,1,4,5,8,1],
[5,3,0,9,0],
[0,4,7,1,-2],
[1,3,5,7,8,10,12],
[5,3,12,0,13]
];
var SPRB = [
/* 0 */ 0.9,
/* 1 */ 0.4,
/* 2 */ 0.7,
/* 3 */ 0.3,
/* 4 */ 0.2,
/* 5 */ 0.9,
/* 6 */ 0.3
];
var BASS = [-84,-86,-79,-84,-83,-79];
// oscillators
var snare=OSC(NSIN);
var kick=OSC(SIN);
var pling=OSC(function(x) {
var out = 0;
for (var i = 0; i < M.h.length; i++) out+=SIN(x*(i+1))*M.h[i];
return out;
});
var bass=OSC(function (x) {
return (x/P2-0.5)+POW(SIN(x),5)*3;
});
var pos=1;
var step=-1;
var bigstep=0;
var rstep=-1+(1<<24);
var plinggate = true;
var vibrato=0;
node.onaudioprocess = function(e) {
var data = e.outputBuffer.getChannelData(0);
for (var i=0;i<data.length;i++) {
pos+=M.t/RATE;
vibrato+=0.001/RATE;
if(pos>=1){
pos-=1;
step++;
plinggate = PRB(SPRB[step%SPRB.length]);
if (plinggate) {
if (PRB(0.1)) rstep-=2;
if (PRB(0.2)) rstep+=4;
if (PRB(0.6)) rstep+=M.r?-1:1;
}
}
bigstep=FLOOR(step/32);
var ipos=1-pos;
var pos2=(pos+(step&1))/2;
var ipos2=1-pos2;
var o=0;
if (plinggate) {
var seq=SEQ[bigstep%SEQ.length];
o += pling(M.x-60+seq[rstep%seq.length]+SIN(vibrato*1.3)*M.v)*(M.r?pos2:ipos)*((step&1)?0.04:0.1)*M.p;
}
var bassi = step&3;
var n = BASS[bigstep%BASS.length];
if (bassi!=2) o += bass(M.x+n+(bassi==3?12:0)+SIN(vibrato)*M.c)*ipos*M.b*((step&1)?0.03:0.12);
var drumx = M.r ? pos2 : ipos2;
o += kick(-95+POW(drumx,5)*40)*M.k*POW(drumx,5);
if (step&2) o += snare(-80+POW(drumx,15)*60)*M.s*POW(drumx,5);
o += RND()*POW(ipos,10) * ((step&1)?0.03:0.1) * M.a;
data[i]=o;
}
};
node.connect(ctx.destination);
// hi xem, this is the interface:
M.stop = function() { node.disconnect(); } // XXX you can remove this to conserve space
M.r = false; // set true for "reverse mode"
M.k = 0.12; // kick volume
M.a = 0.9; // hihat volume
M.s = 0.1; // snare volume
M.p = 0.06; // pling volume
M.b = 1.5; // bass volume
M.t=0.93e-4; // tempo
M.h=[22,8,9,3,2,1]; // pling harmonies
M.v=0.2; // pling vibrato intensity
M.c=0.1; // bass vibrato intensity
M.x=1; // master transpose
})