Files
noise-fields/frontend/js/sketch.js
T
2026-03-18 05:49:16 +01:00

106 lines
2.5 KiB
JavaScript

import p5 from "p5";
import io from "socket.io-client";
const socket = io("http://localhost:3000");
const params = {
fps: 60,
zoom: 0.01,
backgroundTicks: 60,
textSpread: 0,
maxSpawns: 1,
textAlpha: 0.0,
textTicks: 1,
};
socket.on("paramUpdate", ({ key, value }) => {
params[key] = value;
console.log(`Updated param ${key} to ${value}`);
});
let bg;
let cw = 1;
let ch = 1;
const poem =
"everybody is pretty ugly \
lover \
you are my mirror \
I can't judge this \
predicament \
autism alienation and sitting beach \
this depression's a symptom but it's disease too \
spaces \
interiors in berlin city reach peach intention lover drag sleepless depth fear dirt lone";
const realText = poem.split(" ").filter((t) => t.length > 0);
const sketch = (p) => {
p.setup = async () => {
bg = await p.loadImage("assets/scans/1200dpi 16bit grayscale.png");
console.log(bg);
p.createCanvas(p.windowWidth, p.windowHeight);
console.log("canvas created");
// const stream = c.elt.captureStream(60);
};
let bgTick = 0;
let textTick = 0;
let sx, sy;
let word, bounds;
p.draw = () => {
p.background(220);
// update scale
p.setFrameRate(params.fps);
if (++bgTick >= params.backgroundTicks) {
cw = Math.floor(bg.width * params.zoom);
ch = Math.floor(bg.height * params.zoom);
sx = Math.random(0) * (bg.width - cw);
sy = Math.random(0) * (bg.height - ch);
bgTick = 0;
}
if (++textTick >= params.textTicks) {
word, bounds = nextText();
textTick = 0;
}
p.image(bg, 0, 0, p.windowWidth, p.windowHeight, sx, sy, cw, ch);
drawText();
};
function nextText() {
for (let i = 0; i < Math.random() * params.maxSpawns; i++) {
const word = realText[Math.floor(Math.random() * realText.length)];
const wx =
p.windowWidth / 2 -
p.textWidth(word) / 2 +
p.random(-params.textSpread, params.textSpread);
const wy =
p.windowHeight / 2 -
p.textAscent() / 2 +
p.random(-params.textSpread, params.textSpread);
const bounds = p.textBounds(word, wx, wy);
return { word, bounds };
}
}
function drawText() {
const whitespace = 2;
p.stroke(0, 0, 0, params.textAlpha);
p.fill(255, 255, 255, params.textAlpha);
p.rect(
bounds.x - whitespace,
bounds.y - whitespace,
bounds.w + 2 * whitespace,
bounds.h + 2 * whitespace,
);
p.noStroke();
p.fill(0, 0, 0, params.textAlpha);
p.text(word, wx, wy);
}
};
new p5(sketch);