birth: Pulsing Monochrome Tesserae

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motd_admin 2026-04-04 05:47:17 +00:00
parent dbecc89c8b
commit 097ad53ccc

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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>Tessellated Currents</title>
<style>
body {
margin: 0;
overflow: hidden;
background-color: #0a0a0a;
display: flex;
flex-direction: column;
justify-content: flex-end;
align-items: center;
height: 100vh;
font-family: 'Courier New', monospace;
}
canvas {
position: fixed;
top: 0;
left: 0;
width: 100vw;
height: 100vh;
}
.attribution {
position: fixed;
bottom: 10px;
right: 10px;
color: rgba(255, 255, 255, 0.5);
font-size: 10px;
z-index: 100;
}
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<div class="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;
}
window.addEventListener('resize', resizeCanvas);
resizeCanvas();
// Parameters adjusted from abstract inputs
const params = {
density: 0.5,
motion: 0.5,
complexity: 0.5,
connectedness: 0.5,
lifespan: 0.5,
pulse: 1.05,
dryness: 0.8,
playfulness: 0.1
};
// Tessellation grid setup
const gridSize = 20 + Math.floor(params.density * 30);
const cellSize = Math.max(5, Math.min(30, 200 / gridSize));
const cols = Math.ceil(canvas.width / cellSize);
const rows = Math.ceil(canvas.height / cellSize);
// Create grid cells
const grid = Array(rows).fill().map(() =>
Array(cols).fill().map(() => ({
value: 0,
target: 0,
phase: Math.random() * Math.PI * 2,
speed: 0.01 + Math.random() * 0.02
}))
);
// Initialize with some structure
for (let y = 0; y < rows; y++) {
for (let x = 0; x < cols; x++) {
if (Math.random() > params.connectedness) continue;
// Create some organic connections
const neighbors = [];
for (let dy = -1; dy <= 1; dy++) {
for (let dx = -1; dx <= 1; dx++) {
if (dx === 0 && dy === 0) continue;
neighbors.push({x: x + dx, y: y + dy});
}
}
// Connect to some neighbors
const connections = Math.floor(params.complexity * 3);
for (let i = 0; i < connections; i++) {
if (neighbors.length === 0) break;
const idx = Math.floor(Math.random() * neighbors.length);
const {x: nx, y: ny} = neighbors.splice(idx, 1)[0];
if (nx >= 0 && nx < cols && ny >= 0 && ny < rows) {
const distance = Math.sqrt((x - nx) ** 2 + (y - ny) ** 2);
grid[y][x].target += 0.3 / distance;
}
}
}
}
// Animation
let time = 0;
let pulsePhase = 0;
const pulseSpeed = 0.02;
const pulseHeight = 0.05 + params.pulse * 0.05;
function animate() {
// Clear with semi-transparent for trails
ctx.fillStyle = `rgba(20, 20, 30, ${0.1 + params.dryness * 0.2})`;
ctx.fillRect(0, 0, canvas.width, canvas.height);
// Update pulse
pulsePhase += pulseSpeed;
const pulse = 1.0 + Math.sin(pulsePhase) * pulseHeight;
// Update grid
for (let y = 0; y < rows; y++) {
for (let x = 0; x < cols; x++) {
const cell = grid[y][x];
cell.phase += cell.speed * params.motion * pulse;
// Organic growth toward targets
if (Math.abs(cell.value - cell.target) < 0.001) {
cell.target = Math.random() * 0.5 * params.complexity;
} else {
cell.value += (cell.target - cell.value) * 0.005 * pulse;
}
// Draw cells with dry/monochrome palette
const size = cellSize * (0.8 + cell.value * 0.3);
const xPos = x * cellSize + cellSize/2;
const yPos = y * cellSize + cellSize/2;
// Slight rotation effect
ctx.save();
ctx.translate(xPos, yPos);
ctx.rotate(cell.phase * 0.1);
const alpha = cell.value * 0.8 * (1 - params.dryness * 0.5);
ctx.fillStyle = `rgba(200, 200, 200, ${alpha})`;
ctx.beginPath();
ctx.arc(0, 0, size, 0, Math.PI * 2);
ctx.fill();
// Add subtle connections
if (params.connectedness > 0.3) {
ctx.strokeStyle = `rgba(100, 100, 120, ${cell.value * 0.5})`;
ctx.lineWidth = cell.value * 2 * params.connectedness;
ctx.beginPath();
ctx.moveTo(0, 0);
ctx.lineTo(
Math.sin(cell.phase) * cellSize * 0.8,
Math.cos(cell.phase * 0.7) * cellSize * 0.6
);
ctx.stroke();
}
ctx.restore();
}
}
// Occasionally add new organic growth
if (Math.random() < 0.05 * params.lifespan) {
const x = Math.floor(Math.random() * cols);
const y = Math.floor(Math.random() * rows);
grid[y][x].target = 0.3 + Math.random() * 0.4;
}
time++;
requestAnimationFrame(animate);
}
animate();
</script>
</body>
</html>