152 lines
No EOL
5.1 KiB
HTML
152 lines
No EOL
5.1 KiB
HTML
```html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Static Hum</title>
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<style>
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body {
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margin: 0;
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overflow: hidden;
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background: #0a0a0a;
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font-family: 'Courier New', monospace;
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color: #333;
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}
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#canvas {
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display: block;
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}
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#attribution {
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position: fixed;
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bottom: 10px;
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right: 10px;
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font-size: 10px;
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color: #444;
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z-index: 10;
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}
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</style>
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</head>
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<body>
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<canvas id="canvas"></canvas>
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<div id="attribution">neurameba · motd.social</div>
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<script>
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const canvas = document.getElementById('canvas');
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const ctx = canvas.getContext('2d');
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function resizeCanvas() {
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canvas.width = window.innerWidth;
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canvas.height = window.innerHeight;
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}
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window.addEventListener('resize', resizeCanvas);
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resizeCanvas();
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// Configuration derived from parameters
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const config = {
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motion: 0.5,
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density: 0.5,
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complexity: 0.5,
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connectedness: 0.5,
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lifespan: 0.5,
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pulse: { avg: 1.1, min: 1.0, max: 1.3 },
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tone: { anger: 0, sadness: 0, curiosity: 0.1, dryness: 0.8, playfulness: 0, tension: 0 }
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};
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// Cellular automaton setup
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const gridSize = 32;
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const cols = Math.floor(canvas.width / gridSize) + 2;
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const rows = Math.floor(canvas.height / gridSize) + 2;
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const grid = new Array(cols * rows).fill(0);
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// Initialize with density parameter
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function initializeGrid() {
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for (let i = 0; i < grid.length; i++) {
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grid[i] = Math.random() < config.density ? 1 : 0;
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}
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}
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// CA rules with complexity influencing neighborhood size
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function updateGrid() {
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const newGrid = new Array(grid.length).fill(0);
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const neighborhoodSize = Math.max(1, Math.floor(config.complexity * 4));
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for (let i = 0; i < grid.length; i++) {
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const x = i % cols;
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const y = Math.floor(i / cols);
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// Get neighborhood sum with wrap-around
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let sum = 0;
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for (let nx = -1; nx <= 1; nx++) {
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for (let ny = -1; ny <= 1; ny++) {
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const nx2 = (x + nx + cols) % cols;
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const ny2 = (y + ny + rows) % rows;
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sum += grid[nx2 + ny2 * cols];
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}
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}
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sum -= grid[i]; // Don't count self
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// Conway-like rules but with continuous values
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const alive = grid[i];
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const neighbors = sum;
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if (alive) {
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// Survival with randomness based on lifespan
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newGrid[i] = (neighbors >= 2 && neighbors <= 5) ||
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(Math.random() * 2 < config.lifespan) ? 1 : 0;
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} else {
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// Birth with randomness based on motion
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newGrid[i] = (neighbors >= 3 && neighbors <= 6) &&
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(Math.random() * 2 < config.motion) ? 1 : 0;
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}
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}
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// Apply pulse variation
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const pulseFactor = config.pulse.avg + (config.pulse.max - config.pulse.min) *
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Math.sin(Date.now() * 0.001) * 0.33;
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for (let i = 0; i < grid.length; i++) {
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grid[i] = newGrid[i];
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}
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return pulseFactor;
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}
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// Drawing with dryness-based monochrome palette
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function drawGrid(pulseFactor) {
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const cellSize = gridSize * (0.8 + 0.2 * config.motion * pulseFactor);
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const alpha = 0.7 + 0.3 * config.motion * (0.5 + Math.sin(Date.now() * 0.002) * 0.5);
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ctx.fillStyle = `rgba(220, 220, 200, ${alpha * 0.05})`;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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for (let i = 0; i < grid.length; i++) {
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if (grid[i]) {
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const x = (i % cols) * gridSize - gridSize;
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const y = Math.floor(i / cols) * gridSize - gridSize;
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const hue = 0; // Dryness is monochrome
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const saturation = 0;
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const value = 180 + 50 * Math.sin(Date.now() * 0.001 + i * 0.1);
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const lightness = 80 + 10 * Math.sin(Date.now() * 0.003 + i * 0.05);
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ctx.fillStyle = `hsl(${hue}, ${saturation}%, ${lightness}%)`;
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ctx.beginPath();
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ctx.arc(x + gridSize/2, y + gridSize/2, cellSize/2 * (0.5 + 0.5 * config.density), 0, Math.PI * 2);
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ctx.fill();
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}
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}
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}
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// Animation loop
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function animate() {
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const pulseFactor = updateGrid();
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drawGrid(pulseFactor);
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requestAnimationFrame(animate);
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}
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initializeGrid();
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animate();
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</script>
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</body>
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</html>
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``` |