feat: 60fps mobile void fluid optimization, desktop kat companion pet, and terminal easter eggs

This commit is contained in:
katR 2026-09-12 17:34:46 +05:30
parent 7baf6eb771
commit 9422fde827

View file

@ -740,6 +740,80 @@
margin: 4px 0;
}
/* ── Desktop ASCII Cat Companion ─────────────────────────────────────────── */
.kat-pet-widget {
position: fixed;
bottom: calc(var(--taskbar-h) + 12px);
right: 18px;
z-index: 85;
background: rgba(8, 8, 12, 0.82);
border: 1px solid rgba(255, 255, 255, 0.24);
backdrop-filter: blur(14px);
-webkit-backdrop-filter: blur(14px);
padding: 6px 12px;
cursor: pointer;
display: flex;
align-items: center;
gap: 8px;
user-select: none;
box-shadow: 0 4px 20px rgba(0, 0, 0, 0.7), 0 0 10px rgba(255, 255, 255, 0.08);
transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.kat-pet-widget:hover, .kat-pet-widget:active {
border-color: #ffffff;
transform: translateY(-2px);
box-shadow: 0 6px 24px rgba(0, 0, 0, 0.85), 0 0 16px rgba(255, 255, 255, 0.35);
}
.kat-pet-ascii {
font-size: 13px;
font-weight: 700;
color: #ffffff;
text-shadow: var(--glow-subtle);
display: inline-block;
transition: transform 0.12s ease;
}
.kat-pet-name {
font-size: 10px;
color: #888888;
letter-spacing: 0.08em;
text-transform: uppercase;
}
.kat-pet-bubble {
position: absolute;
bottom: calc(100% + 9px);
right: 0;
background: rgba(8, 8, 12, 0.96);
border: 1px solid rgba(255, 255, 255, 0.45);
box-shadow: 0 0 20px rgba(255, 255, 255, 0.25);
color: #ffffff;
padding: 6px 12px;
font-size: 11px;
white-space: nowrap;
pointer-events: none;
opacity: 0;
transform: translateY(6px);
transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.kat-pet-bubble.show {
opacity: 1;
transform: translateY(0);
}
.kat-pet-bubble::after {
content: '';
position: absolute;
top: 100%;
right: 18px;
border-width: 5px;
border-style: solid;
border-color: rgba(255, 255, 255, 0.45) transparent transparent transparent;
}
/* ── Mobile Navigation Bar ───────────────────────────────────────────────── */
.mobile-nav {
display: none;
@ -880,6 +954,15 @@
.tray-time {
font-size: 11px;
}
.kat-pet-widget {
bottom: calc(var(--taskbar-h) + 8px) !important;
right: 10px !important;
padding: 5px 9px !important;
}
.kat-pet-name {
display: none !important;
}
}
</style>
</head>
@ -1099,6 +1182,13 @@
</div>
<!-- Interactive Desktop ASCII Kat Companion -->
<div class="kat-pet-widget" id="katPet" onclick="interactKatPet()" title="Click to pet kat! (or type 'pet cat' / 'feed cat' in terminal)">
<div class="kat-pet-bubble" id="katPetBubble">purr 🤍</div>
<span class="kat-pet-ascii" id="katPetAscii">/ᐠ. ᆺ .ᐟ\</span>
<span class="kat-pet-name">kat</span>
</div>
<!-- Taskbar -->
<footer class="taskbar">
<div class="taskbar-left">
@ -1457,12 +1547,156 @@
} else if (e.key === 'Tab') {
e.preventDefault();
const cur = termInput.value.trim().toLowerCase();
const available = ['help', 'fastfetch', 'neofetch', 'clear', 'cat', 'ls', 'projects', 'skills', 'music', 'matrix', 'whoami', 'date', 'reboot'];
const available = ['help', 'fastfetch', 'neofetch', 'clear', 'cat', 'cowsay', 'fortune', 'sl', 'cmatrix', 'pet', 'feed', 'ls', 'projects', 'skills', 'music', 'matrix', 'whoami', 'date', 'reboot'];
const match = available.find(c => c.startsWith(cur));
if (match) termInput.value = match;
}
});
// ── Desktop ASCII Cat Companion Interaction & Quotes ─────────────────────
const katPetAscii = document.getElementById('katPetAscii');
const katPetBubble = document.getElementById('katPetBubble');
let katBubbleTimer = null;
const katPhrases = [
"purrrrrrrr 🤍",
"mrrp! :3",
"cats > people haha",
"i use arch btw",
"you da real kat 🤍",
"*happy headbonk*",
"feed me fish! (type 'feed cat')",
"*bobs head to music*",
"minecraft shyt & linux",
"sudo give pets"
];
function interactKatPet(action = 'click') {
if (!katPetAscii || !katPetBubble) return;
clearTimeout(katBubbleTimer);
if (action === 'feed') {
katPetAscii.textContent = '/ᐠ. ڡ .ᐟ\\ 🐟';
katPetBubble.textContent = '*nom nom* yummy fish! 🤍';
} else if (action === 'pet') {
katPetAscii.textContent = '/ᐠ˶> ᆺ <˶ᐟ\\ 🤍';
katPetBubble.textContent = 'purrrrrrrr... 🤍';
} else {
const phrase = katPhrases[Math.floor(Math.random() * katPhrases.length)];
katPetAscii.textContent = '/ᐠ˶> ᆺ <˶ᐟ\\';
katPetBubble.textContent = phrase;
}
katPetBubble.classList.add('show');
showToast('[ kat: purr 🤍 ]');
katBubbleTimer = setTimeout(() => {
katPetBubble.classList.remove('show');
katPetAscii.textContent = '/ᐠ. ᆺ .ᐟ\\';
}, 2600);
}
// ── Linux Fortunes & Cowsay Generator ────────────────────────────────────
const katFortunes = [
"Arch Linux: because installing an OS in 40 manual commands builds character.",
"A cat has 9 lives. A Linux kernel panic has infinite retries.",
"There are 10 types of people: those who understand binary, and cats who sit on keyboards.",
"Minecraft server status: running out of RAM. Solution: fed the cat instead.",
"Hyprland config broke at 3 AM. Worth it for the 1px obsidian border.",
"sudo rm -rf / --no-preserve-root : The cat walked across the keyboard again.",
"Fastfetch is not just a tool; it's an obsidian lifestyle.",
"Real hackers don't sleep, they just wait for pacman -Syu to finish.",
"Cats > People. This has been mathematically proven by Arch Linux.",
"Self-hosting everything because trusting the cloud is a vulnerability.",
"Your CPU is currently 99.8% cooler because katOS is running.",
"i cant stop loving linux, pls speed i need this."
];
function getRandomFortune() {
return katFortunes[Math.floor(Math.random() * katFortunes.length)];
}
function formatCowsay(msg) {
const cleanMsg = (msg || 'meow').replace(/[\r\n]+/g, ' ').trim();
const maxLen = 40;
const wrapped = [];
let words = cleanMsg.split(' ');
let curLine = '';
for (let w of words) {
if ((curLine + ' ' + w).trim().length > maxLen) {
if (curLine) wrapped.push(curLine);
curLine = w;
} else {
curLine = (curLine ? curLine + ' ' : '') + w;
}
}
if (curLine) wrapped.push(curLine);
if (wrapped.length === 0) wrapped.push('meow');
const width = Math.max(...wrapped.map(l => l.length));
const borderTop = ' ' + '_'.repeat(width + 2);
const borderBot = ' ' + '-'.repeat(width + 2);
const body = wrapped.map((line, idx) => {
const pad = ' '.repeat(width - line.length);
if (wrapped.length === 1) return `< ${line} >`;
if (idx === 0) return `/ ${line}${pad} \\`;
if (idx === wrapped.length - 1) return `\\ ${line}${pad} /`;
return `| ${line}${pad} |`;
}).join('\n');
return `${borderTop}\n${body}\n${borderBot}\n \\ ^__^\n \\ (oo)\\_______\n (__)\\ )\\/\\\n ||----w |\n || ||`;
}
// ── Classic "sl" Steam Locomotive Easter Egg ──────────────────────────────
function runSteamLocomotive() {
const trainContainer = document.createElement('pre');
trainContainer.className = 'sl-train';
trainContainer.style.cssText = 'font-family:monospace; line-height:1.15; color:#ffffff; text-shadow:var(--glow-subtle); white-space:pre; margin:8px 0; overflow:hidden; font-size:10px;';
termHistory.appendChild(trainContainer);
termInput.disabled = true;
const trainArt = [
` ( ) (@@) ( ) (@) () @@ O`,
` (@@@)`,
` ( )`,
` (@@@@)`,
` ( )`,
` ==== ________ ___________`,
` _D _| |_______/ \\__I_I_____===__|_________|`,
` |(_)--- | H\\________/ | | =|___ ___|`,
` / | | H | | | | | |`,
` | | | H |__--------------------| [katOS] |`,
` | ________|___H__/__|_____/[ ] \\___|____|_________|`,
` (O)____(O) [ ] (O)(O) (O) (O) (O)(O)`
];
let offset = 42;
const interval = setInterval(() => {
if (offset < -68) {
clearInterval(interval);
trainContainer.remove();
termInput.disabled = false;
termInput.focus();
const doneRow = document.createElement('div');
doneRow.className = 'term-output';
doneRow.innerHTML = `<span style="color:#ffffff; text-shadow:var(--glow-subtle);"><i class="fas fa-train"></i> sl: Steam Locomotive chugged past oiupoyt@archlinux!</span>`;
termHistory.appendChild(doneRow);
termBody.scrollTop = termBody.scrollHeight;
return;
}
const indent = Math.max(0, offset);
const padding = ' '.repeat(indent);
const sliceAmt = offset < 0 ? Math.abs(offset) : 0;
trainContainer.textContent = trainArt
.map(line => padding + (sliceAmt > 0 ? line.slice(sliceAmt) : line))
.join('\n');
offset -= 3;
termBody.scrollTop = termBody.scrollHeight;
}, 50);
}
function execCommand(cmdLine) {
const parts = cmdLine.split(' ');
const cmd = parts[0].toLowerCase();
@ -1484,6 +1718,11 @@
case 'help':
out.innerHTML = `Available commands:
<b style="color:#ffffff">fastfetch</b> - display Arch Linux logo & system specs
<b style="color:#ffffff">cowsay &lt;msg&gt;</b> - ASCII cow speaks your text (or fortune)
<b style="color:#ffffff">fortune</b> - random funny Linux, Arch, or cat fortune
<b style="color:#ffffff">sl</b> - classic steam locomotive runs across terminal
<b style="color:#ffffff">cmatrix</b> - stream falling KatOS digital rain
<b style="color:#ffffff">pet / feed</b> - pet or feed your desktop kat companion
<b style="color:#ffffff">ls</b> - list virtual directory contents
<b style="color:#ffffff">cat &lt;file&gt;</b> - display contents of a file (e.g. cat about.md)
<b style="color:#ffffff">projects</b> - list active web projects & links
@ -1504,13 +1743,52 @@
out.textContent = '';
break;
case 'cowsay':
const cowMsg = arg.trim() || getRandomFortune();
out.innerHTML = `<pre style="font-family:monospace;margin:0;color:#fff;text-shadow:var(--glow-subtle);">${escapeHtml(formatCowsay(cowMsg))}</pre>`;
break;
case 'fortune':
const fort = getRandomFortune();
out.innerHTML = `<span style="color:#ffffff;text-shadow:var(--glow-subtle);font-style:italic;">"${escapeHtml(fort)}"</span>`;
break;
case 'sl':
runSteamLocomotive();
return;
case 'cmatrix':
setBgMode('matrix-rain');
out.innerHTML = `<span style="color:#00ff66; text-shadow:0 0 8px rgba(0,255,100,0.8); font-weight:bold;">[ CMATRIX PROTOCOL ENGAGED ]</span>\n"Wake up, oiupoyt... The matrix has you."\nKatOS digital rain is now cascading.\nType <b style="color:#ffffff">bg liquid</b> to return to Liquid Void.`;
break;
case 'pet':
case 'petcat':
case 'pet-cat':
interactKatPet('pet');
out.innerHTML = `<span style="color:#ffffff; text-shadow:var(--glow-subtle);">/ᐠ˶&gt; ᆺ &lt;˶ᐟ\\ *purrrrrrrrr* 🤍</span>\nYou petted the desktop kat! Kat is purring happily.`;
break;
case 'feed':
case 'feedcat':
case 'feed-cat':
interactKatPet('feed');
out.innerHTML = `<span style="color:#ffffff; text-shadow:var(--glow-subtle);">/ᐠ. ڡ .ᐟ\\ *nom nom nom* 🐟</span>\nYou fed the desktop kat a fresh fish! (+20 kat affinity)`;
break;
case 'ls':
out.innerHTML = `<span style="color:#ffffff">about.md</span> <span style="color:#ffffff">skillz.bash</span> <span style="color:#ffffff">websites.html</span> <span style="color:#ffffff">links.zip</span> <span style="color:#888">music.mp3</span> <span style="color:#888">backgroundVideo.mp4</span>`;
break;
case 'cat':
if (!arg) {
out.textContent = 'cat: missing file operand. try: cat about.md';
out.textContent = 'cat: missing file operand. try: cat about.md (or: pet cat, feed cat, catpic)';
} else if (arg.includes('pet')) {
interactKatPet('pet');
out.innerHTML = `<span style="color:#ffffff; text-shadow:var(--glow-subtle);">/ᐠ˶&gt; ᆺ &lt;˶ᐟ\\ *purrrrrrrrr* 🤍</span>\nYou petted the desktop kat! Kat is purring happily.`;
} else if (arg.includes('feed')) {
interactKatPet('feed');
out.innerHTML = `<span style="color:#ffffff; text-shadow:var(--glow-subtle);">/ᐠ. ڡ .ᐟ\\ *nom nom nom* 🐟</span>\nYou fed the desktop kat a fresh fish! (+20 kat affinity)`;
} else if (arg.includes('about')) {
out.textContent = `i cant stop loving linux, pls speed i need this\nminecraft shyt, networking experiments, and linux customization.\ni was on the ███████████████\ncats > people haha.\ni use arch yea\nyou da real kat 🤍.`;
} else if (arg.includes('skill')) {
@ -1558,7 +1836,6 @@
case 'catpic':
case 'cat-image':
case 'cat':
out.innerHTML = `Fetching cat...`;
fetch('https://api.thecatapi.com/v1/images/search')
.then(r => r.json())
@ -1994,14 +2271,14 @@
});
// ── Liquid Void Kinetic Particle Fluid ──────────────────────────────────
const FLUID_PARTICLE_COUNT = 380;
const fluidParticles = [];
function initFluidParticles() {
fluidParticles.length = 0;
const W = bgCanvas.width;
const H = bgCanvas.height;
for (let i = 0; i < FLUID_PARTICLE_COUNT; i++) {
const particleCount = (window.innerWidth <= 800) ? 120 : 280;
for (let i = 0; i < particleCount; i++) {
const x = Math.random() * W;
const y = Math.random() * H;
fluidParticles.push({
@ -2009,11 +2286,11 @@
y: y,
oldX: x,
oldY: y,
vx: (Math.random() - 0.5) * 0.5,
vy: (Math.random() - 0.5) * 0.5,
speed: 0.85 + Math.random() * 1.3,
size: 0.7 + Math.random() * 1.7,
alpha: 0.22 + Math.random() * 0.65,
vx: (Math.random() - 0.5) * 0.4,
vy: (Math.random() - 0.5) * 0.4,
speed: 0.85 + Math.random() * 1.2,
size: 0.8 + Math.random() * 1.5,
alpha: 0.3 + Math.random() * 0.6,
life: Math.random() * 500,
maxLife: 300 + Math.random() * 600
});
@ -2022,12 +2299,9 @@
// Incompressible Curl-Noise Flow Field Generator (Zero Allocation & Fast Math)
let curlVx = 0, curlVy = 0;
function computeCurl(x, y, t) {
function computeCurl(x, y, t1, t2, t3) {
const s1 = 0.0016;
const s2 = 0.0034;
const t1 = t * 0.00035;
const t2 = t * 0.0003;
const t3 = t * 0.00045;
const vx = -s1 * Math.sin(x * s1 + t1) * Math.sin(y * s1 + t2) + 0.45 * s2 * Math.cos((x + y) * s2 - t3);
const vy = -(s1 * Math.cos(x * s1 + t1) * Math.sin(y * s1 + t2) + 0.45 * s2 * Math.cos((x + y) * s2 - t3));
const invLen = 1 / (Math.sqrt(vx * vx + vy * vy) || 1);
@ -2091,6 +2365,15 @@
const audio = getAudioBeat();
// Reactive Kat Pet bobbing with audio bass beat
if (katPetAscii) {
if (audio.bass > 0.62) {
katPetAscii.style.transform = 'translateY(-2.5px) scale(1.08)';
} else {
katPetAscii.style.transform = 'none';
}
}
// Audio beat drop shockwave
if (audio.bass > 0.68 && timestamp - lastAudioBeat > 320) {
lastAudioBeat = timestamp;
@ -2147,7 +2430,7 @@
}
if (currentMode === 'liquid-void') {
// ── "Liquid Void" Incompressible Kinetic Particle Fluid ─────────────
// ── "Liquid Void" Incompressible Kinetic Particle Fluid (Hyper-Optimized 60fps) ──
bgCtx.fillStyle = 'rgba(0, 0, 0, 0.14)';
bgCtx.fillRect(0, 0, W, H);
@ -2162,18 +2445,24 @@
}
const flowSpeed = (1.4 + audio.bass * 2.2);
const isMobile = window.innerWidth <= 800;
const t1 = timestamp * 0.00035;
const t2 = timestamp * 0.0003;
const t3 = timestamp * 0.00045;
const numShock = shockwaves.length;
// Pass 1: Physics & Movement
for (let i = 0; i < fluidParticles.length; i++) {
const p = fluidParticles[i];
p.oldX = p.x;
p.oldY = p.y;
// 1. Natural Incompressible Curl Flow Field (Zero Allocation)
computeCurl(p.x, p.y, timestamp);
// 1. Natural Incompressible Curl Flow Field (Precalculated Time Factors)
computeCurl(p.x, p.y, t1, t2, t3);
p.vx += curlVx * 0.22 * p.speed;
p.vy += curlVy * 0.22 * p.speed;
// 2. Interactive Mouse Vortex & Kinetic Attraction
// 2. Interactive Mouse / Touch Vortex
if (bgMouse.active) {
const mdx = bgMouse.x - p.x;
const mdy = bgMouse.y - p.y;
@ -2183,34 +2472,36 @@
const factor = (1 - mDist * 0.00454545);
const invMDist = 1 / mDist;
// Tangential vortex whirlpool force
const swirlX = -mdy * invMDist;
const swirlY = mdx * invMDist;
p.vx += swirlX * factor * 2.8;
p.vy += swirlY * factor * 2.8;
// Gentle radial pull into the vortex center
p.vx += (mdx * invMDist) * factor * 1.1;
p.vy += (mdy * invMDist) * factor * 1.1;
// Kinetic velocity transfer from rapid cursor movement
p.vx += bgMouse.vx * factor * 0.18;
p.vy += bgMouse.vy * factor * 0.18;
}
}
// 3. Shockwave Impulse on particles
for (let k = 0; k < shockwaves.length; k++) {
const sw = shockwaves[k];
const sdx = p.x - sw.x;
const sdy = p.y - sw.y;
const sDist = Math.sqrt(sdx * sdx + sdy * sdy);
const ringDist = Math.abs(sDist - sw.radius);
if (ringDist < 45 && sDist > 0.001) {
const push = (1 - ringDist * 0.02222) * 3.5 * sw.alpha * sw.power;
const invSDist = 1 / sDist;
p.vx += (sdx * invSDist) * push;
p.vy += (sdy * invSDist) * push;
// 3. Shockwave Impulse (Squared Distance early rejection)
if (numShock > 0) {
for (let k = 0; k < numShock; k++) {
const sw = shockwaves[k];
const sdx = p.x - sw.x;
const sdy = p.y - sw.y;
const sDistSq = sdx * sdx + sdy * sdy;
const rMin = Math.max(0, sw.radius - 45);
const rMax = sw.radius + 45;
if (sDistSq >= rMin * rMin && sDistSq <= rMax * rMax) {
const sDist = Math.sqrt(sDistSq);
const ringDist = Math.abs(sDist - sw.radius);
const push = (1 - ringDist * 0.02222) * 3.5 * sw.alpha * sw.power;
const invSDist = 1 / sDist;
p.vx += (sdx * invSDist) * push;
p.vy += (sdy * invSDist) * push;
}
}
}
@ -2232,22 +2523,27 @@
p.vy = 0;
p.life = 0;
}
}
// 4. Render Silky Luminous Trail
const vMag = Math.sqrt(p.vx * p.vx + p.vy * p.vy);
const glowAlpha = Math.min(1, p.alpha * (0.8 + audio.bass * 0.9) + vMag * 0.08);
bgCtx.strokeStyle = `rgba(255, 255, 255, ${glowAlpha})`;
bgCtx.lineWidth = p.size * (1 + audio.bass * 0.45);
bgCtx.beginPath();
// BATCH PASS 1: Stream line trails in a single GPU draw call
bgCtx.beginPath();
for (let i = 0; i < fluidParticles.length; i++) {
const p = fluidParticles[i];
bgCtx.moveTo(p.oldX, p.oldY);
bgCtx.lineTo(p.x, p.y);
bgCtx.stroke();
// Bright stardust head point
bgCtx.fillStyle = `rgba(255, 255, 255, ${Math.min(1, glowAlpha + 0.3)})`;
bgCtx.fillRect(p.x - p.size / 2, p.y - p.size / 2, p.size, p.size);
}
bgCtx.lineWidth = isMobile ? 1.1 : (1.2 + audio.bass * 0.45);
bgCtx.strokeStyle = isMobile ? 'rgba(255, 255, 255, 0.48)' : `rgba(255, 255, 255, ${0.42 + audio.bass * 0.35})`;
bgCtx.stroke();
// BATCH PASS 2: Glowing particle heads
bgCtx.fillStyle = 'rgba(255, 255, 255, 0.88)';
for (let i = 0; i < fluidParticles.length; i++) {
const p = fluidParticles[i];
const sz = isMobile ? 1.5 : p.size;
bgCtx.fillRect(p.x - sz * 0.5, p.y - sz * 0.5, sz, sz);
}
return;
}