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12a102a3ca3616b9ee5802187e9adb38680517d7
serversite/wave.html
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johnruina 12a102a3ca mobile support
2026-06-16 09:45:49 -04:00

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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>awesome johnruina site</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@600;800;900&display=swap" rel="stylesheet">
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
min-height: 100vh;
background: #0f0f0f;
font-family: 'Inter', sans-serif;
display: flex;
align-items: center;
justify-content: center;
overflow: hidden;
}
.layout {
display: flex;
align-items: center;
justify-content: center;
height: 100vh;
width: 100vw;
gap: 1.5rem;
padding: 1.5rem;
}
.canvas-wrap {
display: flex;
align-items: center;
justify-content: center;
flex: 1;
min-width: 0;
align-self: stretch;
}
.canvas-wrap canvas {
max-width: 100%;
max-height: 100%;
aspect-ratio: 1;
border-radius: 12px;
box-shadow: 0 0 60px rgba(74,74,138,0.15);
cursor: crosshair;
}
.top-bar {
position: fixed;
top: 0; left: 0; right: 0;
display: flex;
justify-content: space-between;
align-items: center;
padding: 1rem 1.5rem;
z-index: 10;
pointer-events: none;
}
.top-bar > * { pointer-events: auto; }
.back-btn {
text-decoration: none;
color: #888;
font-family: 'Inter', sans-serif;
font-size: 0.75rem;
font-weight: 700;
letter-spacing: 0.5px;
text-transform: uppercase;
transition: color 0.2s;
background: rgba(15,15,15,0.7);
padding: 0.4rem 0.8rem;
border-radius: 6px;
border: 1px solid #333;
}
.back-btn:hover { color: #fff; border-color: #555; }
.settings {
width: 200px;
display: flex;
flex-direction: column;
gap: 0.85rem;
padding: 1.2rem;
background: rgba(20,20,35,0.85);
border: 1px solid #2a2a4a;
border-radius: 12px;
max-height: 90vh;
overflow-y: auto;
flex-shrink: 0;
}
.settings::-webkit-scrollbar { width: 4px; }
.settings::-webkit-scrollbar-thumb { background: #333; border-radius: 2px; }
.settings-title {
color: #aaa;
font-weight: 800;
font-size: 0.65rem;
letter-spacing: 1.5px;
text-transform: uppercase;
border-bottom: 1px solid #2a2a4a;
padding-bottom: 0.6rem;
}
.s-group {
display: flex;
flex-direction: column;
gap: 0.25rem;
}
.s-group label {
display: flex;
justify-content: space-between;
color: #888;
font-size: 0.6rem;
font-weight: 600;
letter-spacing: 0.5px;
text-transform: uppercase;
}
.s-group label span { color: #bbb; font-weight: 800; }
.s-group input[type="range"] {
-webkit-appearance: none;
appearance: none;
width: 100%;
height: 3px;
background: #2a2a4a;
border-radius: 2px;
outline: none;
cursor: pointer;
}
.s-group input[type="range"]::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 12px;
height: 12px;
background: #4a4a8a;
border-radius: 50%;
cursor: pointer;
transition: background 0.2s;
}
.s-group input[type="range"]::-webkit-slider-thumb:hover { background: #6a6aaa; }
.s-group input[type="range"]::-moz-range-thumb {
width: 12px; height: 12px;
background: #4a4a8a;
border-radius: 50%;
border: none;
cursor: pointer;
}
.subtitle {
color: #888;
font-size: 0.6rem;
font-weight: 600;
letter-spacing: 0.5px;
text-transform: uppercase;
}
.palette-row {
display: flex;
gap: 4px;
flex-wrap: wrap;
}
.palette-swatch {
width: 28px; height: 20px;
border-radius: 4px;
border: 2px solid transparent;
cursor: pointer;
transition: all 0.2s;
}
.palette-swatch:hover { border-color: #666; transform: scale(1.1); }
.palette-swatch.active { border-color: #4a4a8a; box-shadow: 0 0 8px rgba(74,74,138,0.4); }
.s-btn {
padding: 0.5rem 0;
background: transparent;
color: #666;
border: 1px solid #333;
border-radius: 6px;
font-family: 'Inter', sans-serif;
font-weight: 700;
font-size: 0.6rem;
cursor: pointer;
transition: all 0.25s;
text-transform: uppercase;
letter-spacing: 0.5px;
text-align: center;
}
.s-btn:hover { color: #ccc; border-color: #555; background: rgba(255,255,255,0.03); }
@media (max-width: 800px) {
.layout { flex-direction: column; padding: 0.75rem; padding-top: 3rem; gap: 0.75rem; }
.settings { width: 100%; max-height: 170px; flex-direction: row; flex-wrap: wrap; align-items: flex-start; gap: 0.4rem; padding: 0.6rem; }
.settings .settings-title { width: 100%; font-size: 0.55rem; }
.settings .s-group { flex: 1; min-width: 80px; }
.settings .s-group label { font-size: 0.5rem; }
.settings .palette-row { width: 100%; }
.palette-swatch { width: 24px; height: 16px; }
.subtitle { font-size: 0.5rem; }
.s-btn { font-size: 0.5rem; padding: 0.35rem 0; }
}
@media (max-width: 480px) {
.layout { padding: 0.5rem; padding-top: 2.6rem; gap: 0.5rem; }
.settings { max-height: 130px; padding: 0.4rem; gap: 0.3rem; }
.settings .s-group { min-width: 60px; }
.s-group input[type="range"]::-webkit-slider-thumb { width: 16px; height: 16px; }
.s-group input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; }
}
</style>
</head>
<body>
<div class="top-bar">
<a class="back-btn" href="index.html">← Back</a>
</div>
<div class="layout">
<div class="canvas-wrap">
<canvas id="waveCanvas"></canvas>
</div>
<div class="settings">
<div class="settings-title">Wave Simulation</div>
<div class="s-group">
<label>Wave Speed <span id="speedVal">0.5</span></label>
<input type="range" id="speedSlider" min="0.05" max="1.5" step="0.05" value="0.5">
</div>
<div class="s-group">
<label>Damping <span id="dampVal">0.5%</span></label>
<input type="range" id="dampSlider" min="0" max="5" step="0.1" value="0.5">
</div>
<div class="s-group">
<label>Drop Force <span id="forceVal">10</span></label>
<input type="range" id="forceSlider" min="1" max="40" step="1" value="10">
</div>
<div class="s-group">
<label>Drop Radius <span id="radiusVal">5</span></label>
<input type="range" id="radiusSlider" min="1" max="20" step="1" value="5">
</div>
<div class="s-group">
<label>Speed <span id="timeVal">1.0</span></label>
<input type="range" id="timeSlider" min="0.1" max="3" step="0.1" value="1">
</div>
<div>
<div class="subtitle">Palette</div>
<div class="palette-row" id="paletteRow"></div>
</div>
<button class="s-btn" id="resetBtn">Reset</button>
</div>
</div>
<script>
// ─── palette ───
const palettes = [
{ name: 'ocean', stops: [
[0,0,10], [5,20,60], [10,60,120], [40,120,180],
[80,180,200], [160,220,220], [200,240,240]
]},
{ name: 'neon', stops: [
[0,0,0], [10,10,50], [20,40,120], [60,120,200],
[100,200,220], [200,220,80], [240,140,40], [200,40,80], [100,10,60]
]},
{ name: 'fire', stops: [
[0,0,0], [40,10,0], [100,20,0], [180,60,0],
[240,140,20], [255,220,80], [255,255,200]
]},
{ name: 'psych', stops: [
[0,0,0], [80,0,80], [200,0,100], [255,100,0],
[255,255,0], [0,200,100], [0,100,200], [80,0,120]
]},
];
let currentPalette = 0;
function buildPalette(name) {
const p = palettes.find(x => x.name === name) || palettes[0];
const arr = [];
const segs = p.stops.length - 1;
for (let i = 0; i < 256; i++) {
const t = i / 255;
const seg = Math.min(segs - 1, Math.floor(t * segs));
const f = (t * segs) - seg;
const a = p.stops[seg];
const b = p.stops[seg + 1];
arr.push([
Math.round(a[0] + (b[0] - a[0]) * f),
Math.round(a[1] + (b[1] - a[1]) * f),
Math.round(a[2] + (b[2] - a[2]) * f),
]);
}
return arr;
}
let palette = buildPalette('ocean');
function getPaletteColor(t) {
const i = Math.max(0, Math.min(255, Math.floor(t * 255)));
return palette[i];
}
function setPalette(name) {
const idx = palettes.findIndex(x => x.name === name);
if (idx >= 0) currentPalette = idx;
palette = buildPalette(name);
document.querySelectorAll('#paletteRow .palette-swatch').forEach(s => {
s.classList.toggle('active', s.dataset.name === name);
});
}
// ─── key state ───
const keyState = {};
document.addEventListener('keydown', (e) => { keyState[e.key.toLowerCase()] = true; });
document.addEventListener('keyup', (e) => { keyState[e.key.toLowerCase()] = false; });
// ─── wave sim ───
const canvas = document.getElementById('waveCanvas');
const ctx = canvas.getContext('2d');
const offscreen = document.createElement('canvas');
const offCtx = offscreen.getContext('2d');
const N = 200;
const S = N + 2;
const IX = (i, j) => i + j * S;
let h = new Float32Array(S * S);
let hPrev = new Float32Array(S * S);
let hTmp = new Float32Array(S * S);
let waveSpeed = 0.5;
let damping = 0.005;
let dropForce = 10;
let dropRadius = 5;
let timeScale = 1;
let mouseX = -1, mouseY = -1;
let prevMouseX = -1, prevMouseY = -1;
let isDown = false;
let running = true;
let animId = null;
let startTime = 0;
// ─── slider refs ───
const speedSlider = document.getElementById('speedSlider');
const dampSlider = document.getElementById('dampSlider');
const forceSlider = document.getElementById('forceSlider');
const radiusSlider = document.getElementById('radiusSlider');
const timeSlider = document.getElementById('timeSlider');
const speedVal = document.getElementById('speedVal');
const dampVal = document.getElementById('dampVal');
const forceVal = document.getElementById('forceVal');
const radiusVal = document.getElementById('radiusVal');
const timeVal = document.getElementById('timeVal');
function updateSliders() {
waveSpeed = parseFloat(speedSlider.value);
damping = parseFloat(dampSlider.value) * 0.01;
dropForce = parseFloat(forceSlider.value);
dropRadius = parseFloat(radiusSlider.value);
timeScale = parseFloat(timeSlider.value);
speedVal.textContent = waveSpeed.toFixed(2);
dampVal.textContent = (damping * 100).toFixed(1) + '%';
forceVal.textContent = dropForce.toFixed(0);
radiusVal.textContent = dropRadius.toFixed(0);
timeVal.textContent = timeScale.toFixed(1);
}
speedSlider.addEventListener('input', updateSliders);
dampSlider.addEventListener('input', updateSliders);
forceSlider.addEventListener('input', updateSliders);
radiusSlider.addEventListener('input', updateSliders);
timeSlider.addEventListener('input', updateSliders);
// ─── palette swatches ───
(function buildPaletteSwatches() {
const row = document.getElementById('paletteRow');
palettes.forEach((p) => {
const swatch = document.createElement('div');
swatch.className = 'palette-swatch' + (p.name === 'ocean' ? ' active' : '');
const col = buildPalette(p.name);
const avg = col[Math.floor(col.length * 0.6)];
swatch.style.background = `rgb(${avg[0]},${avg[1]},${avg[2]})`;
swatch.title = p.name;
swatch.dataset.name = p.name;
swatch.addEventListener('click', () => setPalette(p.name));
row.appendChild(swatch);
});
})();
// ─── core wave sim ───
function addDrop(cx, cy, force, radius) {
const px = Math.floor(cx * N);
const py = Math.floor(cy * N);
const r = Math.floor(radius);
for (let j = Math.max(1, py - r); j <= Math.min(N, py + r); j++) {
for (let i = Math.max(1, px - r); i <= Math.min(N, px + r); i++) {
const dist = Math.sqrt((i - px) ** 2 + (j - py) ** 2);
if (dist <= r) {
h[IX(i, j)] -= force * (1 - dist / r);
}
}
}
}
function step() {
const c2 = waveSpeed * waveSpeed;
for (let j = 1; j <= N; j++) {
for (let i = 1; i <= N; i++) {
const laplacian =
h[IX(i + 1, j)] + h[IX(i - 1, j)] +
h[IX(i, j + 1)] + h[IX(i, j - 1)] -
4 * h[IX(i, j)];
hTmp[IX(i, j)] = 2 * h[IX(i, j)] - hPrev[IX(i, j)] + c2 * laplacian;
hTmp[IX(i, j)] *= (1 - damping);
}
}
const tmp = hPrev;
hPrev = h;
h = hTmp;
hTmp = tmp;
hPrev.set(h);
}
function render() {
const w = canvas.width;
const h2 = canvas.height;
if (w === 0 || h2 === 0) return;
const imgData = offCtx.createImageData(N, N);
const data = imgData.data;
const paletteShift = (performance.now() - startTime) * 0.00005;
let maxH = 0.001;
for (let j = 1; j <= N; j++) {
for (let i = 1; i <= N; i++) {
const val = Math.abs(h[IX(i, j)]);
if (val > maxH) maxH = val;
}
}
for (let j = 0; j < N; j++) {
for (let i = 0; i < N; i++) {
const val = h[IX(i + 1, j + 1)];
const t = ((val / maxH) * 0.5 + 0.5 + paletteShift) % 1.0;
const c = getPaletteColor(t);
const idx = (j * N + i) * 4;
data[idx] = c[0];
data[idx + 1] = c[1];
data[idx + 2] = c[2];
data[idx + 3] = 255;
}
}
offCtx.putImageData(imgData, 0, 0);
ctx.clearRect(0, 0, w, h2);
ctx.fillStyle = '#05050a';
ctx.fillRect(0, 0, w, h2);
ctx.imageSmoothingEnabled = true;
ctx.drawImage(offscreen, 0, 0, w, h2);
}
function resizeSim() {
const wrap = document.querySelector('.canvas-wrap');
const rect = wrap.getBoundingClientRect();
let size = Math.floor(Math.min(rect.width, rect.height, 800));
if (size < 50) size = 400;
canvas.width = size;
canvas.height = size;
offscreen.width = N;
offscreen.height = N;
}
function loop() {
if (!running) return;
if (isDown && prevMouseX >= 0) {
const rect = canvas.getBoundingClientRect();
const mx = (mouseX / rect.width);
const my = (mouseY / rect.height);
const pmx = (prevMouseX / rect.width);
const pmy = (prevMouseY / rect.height);
const dist = Math.sqrt((mx - pmx) ** 2 + (my - pmy) ** 2);
if (dist > 0.005) {
addDrop(mx, my, dropForce * timeScale, dropRadius);
}
}
const steps = Math.ceil(timeScale);
for (let s = 0; s < steps; s++) step();
render();
animId = requestAnimationFrame(loop);
prevMouseX = mouseX;
prevMouseY = mouseY;
}
function reset() {
h.fill(0);
hPrev.fill(0);
hTmp.fill(0);
}
// ─── events ───
function canvasCoords(e) {
const rect = canvas.getBoundingClientRect();
return {
x: (e.clientX - rect.left) * (canvas.width / rect.width),
y: (e.clientY - rect.top) * (canvas.height / rect.height),
};
}
function startDrop(e) {
const p = canvasCoords(e);
const rect = canvas.getBoundingClientRect();
mouseX = e.clientX - rect.left;
mouseY = e.clientY - rect.top;
prevMouseX = mouseX;
prevMouseY = mouseY;
isDown = true;
addDrop(mouseX / rect.width, mouseY / rect.height, dropForce * timeScale, dropRadius);
}
function moveDrop(e) {
const rect = canvas.getBoundingClientRect();
mouseX = e.clientX - rect.left;
mouseY = e.clientY - rect.top;
}
canvas.addEventListener('mousedown', startDrop);
window.addEventListener('mouseup', () => { isDown = false; prevMouseX = -1; prevMouseY = -1; });
canvas.addEventListener('mousemove', moveDrop);
canvas.addEventListener('touchstart', (e) => {
e.preventDefault();
const t = e.touches[0];
const rect = canvas.getBoundingClientRect();
mouseX = t.clientX - rect.left;
mouseY = t.clientY - rect.top;
prevMouseX = mouseX; prevMouseY = mouseY;
isDown = true;
addDrop(mouseX / rect.width, mouseY / rect.height, dropForce * timeScale, dropRadius);
}, { passive: false });
canvas.addEventListener('touchmove', (e) => {
e.preventDefault();
const t = e.touches[0];
const rect = canvas.getBoundingClientRect();
mouseX = t.clientX - rect.left;
mouseY = t.clientY - rect.top;
}, { passive: false });
canvas.addEventListener('touchend', (e) => {
e.preventDefault();
isDown = false; prevMouseX = -1; prevMouseY = -1;
}, { passive: false });
document.getElementById('resetBtn').addEventListener('click', reset);
document.addEventListener('keydown', (e) => {
if (e.key === 'Escape') window.location.href = 'index.html';
});
window.addEventListener('resize', resizeSim);
// ─── start ───
updateSliders();
resizeSim();
startTime = performance.now();
loop();
</script>
</body>
</html>
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