treeclock/clock.html at main · Isaacamar/treeclock · GitHub

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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>Recursive Binary Tree Fractal Clock</title>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.7.0/p5.min.js"></script>
    <style>
        body {
            margin: 0;
            padding: 0;
            overflow: hidden;
            background: #0c0c0c;
        }
    </style>
</head>
<body>
<script>
// Configuration
const THREE_TREES = false;
const SHOW_CENTER_DIGITAL = true;
const SHOW_SCAFFOLD = true;
const ENABLE_PULSES = true;

// Tree Parameters
const THETA = 24;
const SCALEF = 0.70;
const DEPTH = 6;

// Colors
const COLOR_HOURS = [255, 150, 80];
const COLOR_MINUTES = [120, 255, 160];
const COLOR_SECONDS = [90, 200, 255];

// Animation
let pulses = { h: 0, m: 0, s: 0 };
let prev = { h: -1, m: -1, s: -1 };

// Store all leaf positions (there are 64 leaves at depth 6)
let leaves = [];

function setup() {
    createCanvas(windowWidth || 900, windowHeight || 600);
    angleMode(DEGREES);
    textAlign(CENTER, CENTER);
    frameRate(60);
}

function windowResized() {
    resizeCanvas(windowWidth, windowHeight);
}

function draw() {
    background(12);

    let h = hour();
    let m = minute();
    let s = second();

    // Update pulses
    if (ENABLE_PULSES) {
        if (h !== prev.h) { pulses.h = 1; prev.h = h; }
        if (m !== prev.m) { pulses.m = 1; prev.m = m; }
        if (s !== prev.s) { pulses.s = 1; prev.s = s; }

        pulses.h *= 0.95;
        pulses.m *= 0.93;
        pulses.s *= 0.91;
    }

    if (THREE_TREES) {
        drawThreeTrees(h, m, s);
    } else {
        drawSingleTree(h, m, s);
    }

    if (SHOW_CENTER_DIGITAL) {
        push();
        fill(255, 80);
        textSize(13);
        text(nf(h, 2) + ':' + nf(m, 2) + ':' + nf(s, 2), width / 2, height - 20);
        pop();
    }
}

function drawSingleTree(h, m, s) {
    push();
    translate(width / 2, height - 50);

    leaves = [];
    let baseLen = height * 0.18;

    // Draw complete tree and collect leaf positions
    drawFullTreeAndCollectLeaves(0, DEPTH, baseLen, 0);

    // Sort leaves by position index for consistent mapping
    leaves.sort((a, b) => a.index - b.index);

    // Map time to leaf positions
    // Hours: map 0-23 to positions 0-31 (using first 32 leaves)
    // Minutes: map 0-59 to all 64 leaves
    // Seconds: map 0-59 to all 64 leaves

    let hLeaf = Math.floor(map(h, 0, 24, 0, 32));
    let mLeaf = Math.floor(map(m, 0, 60, 0, 64));
    let sLeaf = Math.floor(map(s, 0, 60, 0, 64));

    // Draw paths to these leaves
    drawPathToLeaf(0, DEPTH, baseLen, hLeaf, COLOR_HOURS, 5, pulses.h);
    drawPathToLeaf(0, DEPTH, baseLen, mLeaf, COLOR_MINUTES, 6, pulses.m);
    drawPathToLeaf(0, DEPTH, baseLen, sLeaf, COLOR_SECONDS, 6, pulses.s);

    pop();

    // Draw badges
    if (leaves[hLeaf]) {
        drawBadge(leaves[hLeaf].x, leaves[hLeaf].y, h, COLOR_HOURS, 'H', (h + m/60) / 24);
    }
    if (leaves[mLeaf]) {
        drawBadge(leaves[mLeaf].x, leaves[mLeaf].y, m, COLOR_MINUTES, 'M', m / 60);
    }
    if (leaves[sLeaf]) {
        drawBadge(leaves[sLeaf].x, leaves[sLeaf].y, s, COLOR_SECONDS, 'S', s / 60);
    }
}

function drawThreeTrees(h, m, s) {
    let spacing = width / 3;
    let baseLen = height * 0.12;

    // Hours
    push();
    translate(spacing / 2, height - 50);
    leaves = [];
    drawFullTreeAndCollectLeaves(0, DEPTH, baseLen, 0);
    leaves.sort((a, b) => a.index - b.index);
    let hLeaf = Math.floor(map(h, 0, 24, 0, min(32, leaves.length)));
    drawPathToLeaf(0, DEPTH, baseLen, hLeaf, COLOR_HOURS, 5, pulses.h);
    pop();
    if (leaves[hLeaf]) {
        drawBadge(leaves[hLeaf].x, leaves[hLeaf].y, h, COLOR_HOURS, 'H', (h + minute()/60) / 24);
    }

    // Minutes
    push();
    translate(width / 2, height - 50);
    leaves = [];
    drawFullTreeAndCollectLeaves(0, DEPTH, baseLen, 0);
    leaves.sort((a, b) => a.index - b.index);
    let mLeaf = Math.floor(map(m, 0, 60, 0, leaves.length));
    drawPathToLeaf(0, DEPTH, baseLen, mLeaf, COLOR_MINUTES, 6, pulses.m);
    pop();
    if (leaves[mLeaf]) {
        drawBadge(leaves[mLeaf].x, leaves[mLeaf].y, m, COLOR_MINUTES, 'M', m / 60);
    }

    // Seconds
    push();
    translate(width - spacing / 2, height - 50);
    leaves = [];
    drawFullTreeAndCollectLeaves(0, DEPTH, baseLen, 0);
    leaves.sort((a, b) => a.index - b.index);
    let sLeaf = Math.floor(map(s, 0, 60, 0, leaves.length));
    drawPathToLeaf(0, DEPTH, baseLen, sLeaf, COLOR_SECONDS, 6, pulses.s);
    pop();
    if (leaves[sLeaf]) {
        drawBadge(leaves[sLeaf].x, leaves[sLeaf].y, s, COLOR_SECONDS, 'S', s / 60);
    }
}

function drawFullTreeAndCollectLeaves(depth, maxDepth, len, index) {
    // Draw branch
    if (SHOW_SCAFFOLD) {
        strokeWeight(map(depth, 0, maxDepth, 6, 1));
        stroke(255, 26);
        line(0, 0, 0, -len);
    }

    // If at max depth, this is a leaf
    if (depth === maxDepth) {
        let m = drawingContext.getTransform();
        leaves.push({
            x: m.e,
            y: m.f - len,
            index: index
        });
        return index + 1;
    }

    // Recurse
    let newLen = len * SCALEF;
    let nextIndex = index;

    // Left subtree
    push();
    translate(0, -len);
    rotate(-THETA);
    nextIndex = drawFullTreeAndCollectLeaves(depth + 1, maxDepth, newLen, nextIndex);
    pop();

    // Right subtree
    push();
    translate(0, -len);
    rotate(THETA);
    nextIndex = drawFullTreeAndCollectLeaves(depth + 1, maxDepth, newLen, nextIndex);
    pop();

    return nextIndex;
}

function drawPathToLeaf(depth, maxDepth, len, targetLeafIndex, color, targetDepth, pulse) {
    if (depth > targetDepth || depth > maxDepth) return;

    // Calculate which way to go at each level to reach target leaf
    let pathBits = targetLeafIndex.toString(2).padStart(maxDepth, '0');

    push();
    for (let i = 0; i <= targetDepth && i <= maxDepth; i++) {
        // Draw segment
        let weight = map(i, 0, maxDepth, 7, 2);
        if (color === COLOR_MINUTES) weight *= 0.8;
        if (color === COLOR_SECONDS) weight *= 0.6;

        strokeWeight(weight * (1 + pulse * 0.3));
        stroke(color[0], color[1], color[2], 200 + pulse * 55);
        line(0, 0, 0, -len);

        // Move to next position
        if (i < maxDepth) {
            translate(0, -len);
            if (i < pathBits.length && pathBits[i] === '1') {
                rotate(THETA);
            } else {
                rotate(-THETA);
            }
            len *= SCALEF;
        }
    }
    pop();
}

function drawBadge(x, y, value, color, label, progress) {
    let r = label === 'H' ? 22 : label === 'M' ? 19 : 16;

    // Glow
    noStroke();
    fill(color[0], color[1], color[2], 18);
    ellipse(x, y, r * 3.5);

    // Progress arc
    push();
    translate(x, y);
    noFill();
    strokeWeight(1.5);
    stroke(color[0], color[1], color[2], 100);
    strokeCap(ROUND);
    arc(0, 0, r * 2 + 5, r * 2 + 5, -90, -90 + progress * 360);
    pop();

    // Badge
    fill(15);
    stroke(color[0], color[1], color[2]);
    strokeWeight(1.5);
    ellipse(x, y, r * 2);

    // Value
    fill(245);
    noStroke();
    textSize(r * 0.65);
    textStyle(BOLD);
    text(nf(value, 2), x, y);

    // Label
    fill(color[0], color[1], color[2]);
    textSize(8);
    text(label, x, y + r + 7);
}
</script>
</body>
</html>