birth: Branching pathways in hushed code

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motd_admin 2026-04-07 13:47:19 +00:00
parent 1a2cf542bd
commit e77d2ca2e2

170
index.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Neurameba · Motd.social</title>
<style>
body {
margin: 0;
overflow: hidden;
background-color: #0a0a0a;
font-family: 'Courier New', monospace;
}
#attribution {
position: fixed;
bottom: 10px;
right: 10px;
color: #555;
font-size: 10px;
z-index: 100;
}
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<div id="attribution">neurameba · motd.social</div>
<script>
const canvas = document.getElementById('canvas');
const ctx = canvas.getContext('2d');
function resizeCanvas() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
}
resizeCanvas();
window.addEventListener('resize', resizeCanvas);
// Parameters from prompt
const params = {
motion: 0.5,
density: 0.5,
complexity: 0.5,
connectedness: 0.5,
lifespan: 0.5,
pulse: { avg: 1.07, min: 1.0, max: 1.1 },
tone: {
anger: 0.0,
sadness: 0.0,
curiosity: 0.2,
dryness: 0.8,
playfulness: 0.0,
tension: 0.0
}
};
// L-system basics
let axiom = "A";
const rules = {
A: "F+F--F+F",
F: "F+F--F+F"
};
let iterations = 5;
let angle = 25 * params.complexity;
let length = 20 * (1 - params.density);
let maxDepth = 10;
let generation = 0;
let positions = [];
let currentPath = [];
let fadeAmount = 0.97;
let maxPaths = 20;
let paths = [];
// Color based on tone
function getColor() {
const dryness = params.tone.dryness;
const curiosity = params.tone.curiosity;
const mix = dryness * 0.8 + curiosity * 0.2;
const hue = mix * 60; // teal range
const sat = mix * 0.6 + 0.3; // moderate saturation
const light = 0.1 + mix * 0.2; // dark base
return `hsl(${hue}, ${sat * 100}%, ${light * 100}%)`;
}
function draw() {
ctx.fillStyle = 'rgba(0, 0, 0, ' + fadeAmount + ')';
ctx.fillRect(0, 0, canvas.width, canvas.height);
const color = getColor();
ctx.strokeStyle = color;
ctx.lineWidth = 1;
// Add new path occasionally
if (paths.length < maxPaths && Math.random() < params.motion * 0.02) {
paths.push({
points: [],
age: 0,
maxAge: 100 + Math.random() * 100
});
}
// Update and draw paths
for (let i = paths.length - 1; i >= 0; i--) {
const path = paths[i];
// Update with L-system growth
if (path.age < path.maxAge) {
if (path.points.length === 0) {
// Start new path
path.points.push({x: canvas.width/2, y: canvas.height/2});
} else {
const last = path.points[path.points.length - 1];
const angleVariation = (Math.random() - 0.5) * 20 * params.motion;
const newAngle = angle * (1 + angleVariation/100);
const newX = last.x + Math.cos(newAngle * Math.PI/180) * length * params.density;
const newY = last.y + Math.sin(newAngle * Math.PI/180) * length * params.density;
// Apply small pulse variation
const pulse = params.pulse.avg + (Math.random() - 0.5) * (params.pulse.max - params.pulse.min);
length = 20 * (1 - params.density) * pulse;
path.points.push({x: newX, y: newY});
}
path.age++;
} else {
paths.splice(i, 1);
}
// Draw path
if (path.points.length > 1) {
ctx.beginPath();
ctx.moveTo(path.points[0].x, path.points[0].y);
for (let j = 1; j < path.points.length; j++) {
ctx.lineTo(path.points[j].x, path.points[j].y);
}
ctx.stroke();
}
}
// Occasionally mutate the L-system rules
if (Math.random() < 0.01) {
const ruleKeys = Object.keys(rules);
if (ruleKeys.length > 0) {
const key = ruleKeys[Math.floor(Math.random() * ruleKeys.length)];
const symbols = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
const newSymbol = symbols[Math.floor(Math.random() * symbols.length)];
rules[key] = rules[key].replace(/[A-Z]/g, newSymbol);
}
}
// Occasionally change axiom
if (Math.random() < 0.005) {
axiom = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"[Math.floor(Math.random() * 26)];
}
// Occasionally change angle
if (Math.random() < 0.005) {
angle = 10 + Math.random() * 50;
}
}
function animate() {
draw();
requestAnimationFrame(animate);
}
animate();
</script>
</body>
</html>