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xenakis.html
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xenakis.html
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<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.4.1/p5.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.4.1/addons/p5.sound.min.js"></script>
<style>html, body{margin: 0;padding: 0;} canvas{display: block;}</style>
<meta charset="utf-8" />
</head>
<body>
<script>
function genTokenData(projectNum) {
let data = {};
let hash = "0x";
for (var i = 0; i < 64; i++) {
hash += Math.floor(Math.random() * 16).toString(16);
}
data.hash = hash;
data.tokenId = (projectNum * 1000000 + Math.floor(Math.random() * 1000)).toString();
return data;
}
let tokenData = genTokenData(123);
////////////////// Audio
var osc, envelope, delay, reverb;
var playing = false;
var xenakis = [];
var xenakis_touch = [];
var canstart = true;
// Keep track of our socket connection
var socket;
// global var
var globalX;
var globalY;
var speed = 1.;
var value = 0.0;
var MAX = 255;
var fade = 255;
////////////////// Begin Setup
function setup() {
createCanvas(windowWidth, windowHeight);
envelope = new p5.Env(0.01, 0.4, 1, 0.3);
osc = new p5.Oscillator();
osc.setType('sine');
//osc.disconnect();
reverb = new p5.Reverb();
delay = new p5.Delay();
reverb.process(osc, 5, 0.90);
osc.freq(parseFloat(440));
// socket = io.connect('http://localhost:3001');
// socket.on('message', function(msg) {
// //console.log(msg);
// value = msg.value
// divnum = msg.something
// //document.getElementById("message"+divnum).innerHTML = value;
// if(msg.something == 1){
// globalY = msg.value;
// } else if(msg.something == 0) {
// globalX = msg.value;
// }
// var timer = random(5)*1000;
// setTimeout(object,timer);
// });
}
////////////////// Begin Draw
function draw() {
background(230, 10);
for (var i=0; i<xenakis.length; i++) {
xenakis[i].display();
}
for (var i=0; i<xenakis_touch.length; i++) {
xenakis_touch[i].display();
}
noStroke();
fill(fade, fade, fade, fade);
//console.log(fade);
text("touch to start", width/2.5, 200);
}
function touchStarted() {
//if(fade > 1){
for(fade = 255; fade > 0; fade = ((sin(radians(value))+1)/2)*MAX){
// text fade
value+=speed;
}
//}
}
function mouseDragged(){
if(canstart) {
osc.start();
canstart = false;
}
xenakis_touch.push(new Abstract_touch()),4000
var ender = setTimeout(endshape_touch,8000);
osc.freq(mouseX);
envelope.play(osc);
delay.process(osc, .99, .95, 200);
delay.setType('pingPong');
}
function mousePressed(){
if(canstart) {
osc.start();
canstart = false;
}
xenakis_touch.push(new Abstract_touch());
var ender = setTimeout(endshape_touch,8000);
osc.freq(mouseX);
envelope.play(osc);
delay.process(osc, .99, .95, 200);
delay.setType('pingPong');
for(fade = 255; fade > 0; fade = ((sin(radians(value))+1)/2)*MAX){
// text fade
value+=speed;
}
}
function object(){
xenakis.push(new Abstract());
var ender = setTimeout(endshape,3000);
osc.freq(parseFloat(globalX));
envelope.play(osc);
delay.process(osc, .99, .95, 200);
delay.setType('pingPong');
}
////////////////// End Shapes after time limit
function endshape() {
xenakis.shift();
//console.log('ended');
}
function endshape_touch() {
xenakis_touch.shift();
console.log('ended');
}
////////////////// Abstract Shape Class
function Abstract() {
console.log(globalX);
console.log(globalY);
this.x = globalX/1;
this.y = globalY/1;
this.x1 = random(5);
this.y1 = random(5);
this.x2 = random(5);
this.y2 = random(5);
this.x3 = random(5);
this.y3 = random(5);
this.on = true;
this.diameter = random(10, 30);
this.speed = 1;
if(canstart) {
osc.start();
canstart = false;
}
this.display = function() {
if (this.on === true) {
fill(0+this.diameter,205);
strokeWeight(4);
stroke(240);
this.diameter += 0.05;
quad(
this.x+(-this.diameter),this.y+(-this.diameter),
this.x+this.diameter*this.x1,this.y+(-this.diameter)*this.y1,
this.x+(-this.diameter)*this.x2,this.y+this.diameter*this.y2,
this.x+this.diameter*this.x3,this.y+this.diameter*this.y3
);
}
};
}
function Abstract_touch() {
this.x = mouseX;
this.y = mouseY;
this.x1 = random(5);
this.y1 = random(5);
this.x2 = random(5);
this.y2 = random(5);
this.x3 = random(5);
this.y3 = random(5);
this.on = true;
this.diameter = random(10, 30);
this.speed = 1;
if(canstart) {
osc.start();
canstart = false;
}
this.display = function() {
if (this.on === true) {
fill(0+this.diameter,220,120,205);
strokeWeight(4);
stroke(240);
this.diameter += 0.5;
quad(
this.x+(-this.diameter),this.y+(-this.diameter),
this.x+this.diameter*this.x1,this.y+(-this.diameter)*this.y1,
this.x+(-this.diameter)*this.x2,this.y+this.diameter*this.y2,
this.x+this.diameter*this.x3,this.y+this.diameter*this.y3
);
}
};
}
class Random {
constructor() {
this.useA = false;
let sfc32 = function (uint128Hex) {
let a = parseInt(uint128Hex.substr(0, 8), 16);
let b = parseInt(uint128Hex.substr(8, 8), 16);
let c = parseInt(uint128Hex.substr(16, 8), 16);
let d = parseInt(uint128Hex.substr(24, 8), 16);
return function () {
a |= 0; b |= 0; c |= 0; d |= 0;
let t = (((a + b) | 0) + d) | 0;
d = (d + 1) | 0;
a = b ^ (b >>> 9);
b = (c + (c << 3)) | 0;
c = (c << 21) | (c >>> 11);
c = (c + t) | 0;
return (t >>> 0) / 4294967296;
};
};
this.prngA = new sfc32(tokenData.hash.substr(2, 32));
this.prngB = new sfc32(tokenData.hash.substr(34, 32));
for (let i = 0; i < 1e6; i += 2) {
this.prngA();
this.prngB();
}
}
random_dec() {
this.useA = !this.useA;
return this.useA ? this.prngA() : this.prngB();
}
random_num(a, b) {
return a + (b - a) * this.random_dec();
}
random_int(a, b) {
return Math.floor(this.random_num(a, b + 1));
}
random_bool(p) {
return this.random_dec() < p;
}
random_choice(list) {
return list[this.random_int(0, list.length - 1)];
}
}
</script>
</body>
</html>