forked from nyancrimew/maia.crimew.gay
oneko: honor prefers reduced motion
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584aa15038
commit
454b6eaaf7
1 changed files with 197 additions and 192 deletions
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@ -1,199 +1,204 @@
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// based on oneko.js from https://github.com/adryd325/oneko.js, licensed under MIT, with art from https://twitter.com/_Anunnery
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(function oneko() {
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const nekoEl = document.createElement("div");
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let nekoPosX = 32;
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let nekoPosY = 32;
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let mousePosX = 0;
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let mousePosY = 0;
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let frameCount = 0;
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let idleTime = 0;
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let idleAnimation = null;
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let idleAnimationFrame = 0;
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const nekoSpeed = 10;
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const spriteSets = {
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idle: [[-3, -3]],
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alert: [[-7, -3]],
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scratchSelf: [
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[-5, 0],
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[-6, 0],
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[-7, 0],
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],
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scratchWallN: [
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[0, 0],
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[0, -1],
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],
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scratchWallS: [
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[-7, -1],
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[-6, -2],
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],
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scratchWallE: [
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[-2, -2],
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[-2, -3],
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],
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scratchWallW: [
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[-4, 0],
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[-4, -1],
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],
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tired: [[-3, -2]],
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sleeping: [
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[-2, 0],
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[-2, -1],
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],
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N: [
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[-1, -2],
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[-1, -3],
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],
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NE: [
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[0, -2],
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[0, -3],
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],
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E: [
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[-3, 0],
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[-3, -1],
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],
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SE: [
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[-5, -1],
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[-5, -2],
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],
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S: [
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[-6, -3],
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[-7, -2],
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],
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SW: [
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[-5, -3],
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[-6, -1],
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],
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W: [
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[-4, -2],
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[-4, -3],
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],
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NW: [
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[-1, 0],
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[-1, -1],
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],
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function oneko() {
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const nekoEl = document.createElement("div");
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let nekoPosX = 32;
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let nekoPosY = 32;
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let mousePosX = 0;
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let mousePosY = 0;
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let frameCount = 0;
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let idleTime = 0;
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let idleAnimation = null;
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let idleAnimationFrame = 0;
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const nekoSpeed = 10;
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const spriteSets = {
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idle: [[-3, -3]],
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alert: [[-7, -3]],
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scratchSelf: [
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[-5, 0],
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[-6, 0],
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[-7, 0],
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],
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scratchWallN: [
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[0, 0],
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[0, -1],
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],
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scratchWallS: [
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[-7, -1],
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[-6, -2],
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],
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scratchWallE: [
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[-2, -2],
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[-2, -3],
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],
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scratchWallW: [
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[-4, 0],
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[-4, -1],
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],
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tired: [[-3, -2]],
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sleeping: [
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[-2, 0],
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[-2, -1],
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],
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N: [
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[-1, -2],
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[-1, -3],
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],
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NE: [
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[0, -2],
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[0, -3],
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],
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E: [
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[-3, 0],
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[-3, -1],
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],
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SE: [
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[-5, -1],
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[-5, -2],
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],
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S: [
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[-6, -3],
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[-7, -2],
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],
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SW: [
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[-5, -3],
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[-6, -1],
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],
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W: [
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[-4, -2],
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[-4, -3],
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],
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NW: [
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[-1, 0],
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[-1, -1],
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],
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};
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function create() {
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nekoEl.id = "oneko";
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nekoEl.style.width = "32px";
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nekoEl.style.height = "32px";
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nekoEl.style.position = "fixed";
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nekoEl.style.pointerEvents = "none";
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nekoEl.style.backgroundImage = "url('/img/maia_oneko.gif')";
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nekoEl.style.imageRendering = "pixelated";
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nekoEl.style.left = "16px";
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nekoEl.style.top = "16px";
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document.body.appendChild(nekoEl);
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document.onmousemove = (event) => {
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mousePosX = event.clientX;
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mousePosY = event.clientY;
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};
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function create() {
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nekoEl.id = "oneko";
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nekoEl.style.width = "32px";
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nekoEl.style.height = "32px";
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nekoEl.style.position = "fixed";
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nekoEl.style.pointerEvents = "none";
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nekoEl.style.backgroundImage = "url('/img/maia_oneko.gif')";
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nekoEl.style.imageRendering = "pixelated";
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nekoEl.style.left = "16px";
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nekoEl.style.top = "16px";
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document.body.appendChild(nekoEl);
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document.onmousemove = (event) => {
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mousePosX = event.clientX;
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mousePosY = event.clientY;
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};
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window.onekoInterval = setInterval(frame, 100);
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}
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function setSprite(name, frame) {
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const sprite = spriteSets[name][frame % spriteSets[name].length];
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nekoEl.style.backgroundPosition = `${sprite[0] * 32}px ${sprite[1] * 32}px`;
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}
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function resetIdleAnimation() {
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idleAnimation = null;
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idleAnimationFrame = 0;
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}
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function idle() {
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idleTime += 1;
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// every ~ 20 seconds
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if (idleTime > 10 && true && idleAnimation == null) {
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let avalibleIdleAnimations = ["sleeping", "scratchSelf"];
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if (nekoPosX < 32) {
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avalibleIdleAnimations.push("scratchWallW");
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}
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if (nekoPosY < 32) {
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avalibleIdleAnimations.push("scratchWallN");
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}
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if (nekoPosX > window.innerWidth - 32) {
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avalibleIdleAnimations.push("scratchWallE");
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}
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if (nekoPosY > window.innerHeight - 32) {
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avalibleIdleAnimations.push("scratchWallS");
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}
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idleAnimation =
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avalibleIdleAnimations[
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Math.floor(Math.random() * avalibleIdleAnimations.length)
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];
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window.onekoInterval = setInterval(frame, 100);
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}
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function setSprite(name, frame) {
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const sprite = spriteSets[name][frame % spriteSets[name].length];
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nekoEl.style.backgroundPosition = `${sprite[0] * 32}px ${sprite[1] * 32}px`;
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}
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function resetIdleAnimation() {
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idleAnimation = null;
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idleAnimationFrame = 0;
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}
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function idle() {
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idleTime += 1;
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// every ~ 20 seconds
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if (idleTime > 10 && true && idleAnimation == null) {
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let avalibleIdleAnimations = ["sleeping", "scratchSelf"];
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if (nekoPosX < 32) {
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avalibleIdleAnimations.push("scratchWallW");
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}
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switch (idleAnimation) {
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case "sleeping":
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if (idleAnimationFrame < 8) {
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setSprite("tired", 0);
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break;
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}
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setSprite("sleeping", Math.floor(idleAnimationFrame / 4));
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if (idleAnimationFrame > 192) {
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resetIdleAnimation();
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}
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if (nekoPosY < 32) {
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avalibleIdleAnimations.push("scratchWallN");
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}
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if (nekoPosX > window.innerWidth - 32) {
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avalibleIdleAnimations.push("scratchWallE");
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}
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if (nekoPosY > window.innerHeight - 32) {
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avalibleIdleAnimations.push("scratchWallS");
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}
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idleAnimation =
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avalibleIdleAnimations[
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Math.floor(Math.random() * avalibleIdleAnimations.length)
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];
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}
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switch (idleAnimation) {
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case "sleeping":
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if (idleAnimationFrame < 8) {
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setSprite("tired", 0);
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break;
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case "scratchWallN":
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case "scratchWallS":
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case "scratchWallE":
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case "scratchWallW":
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case "scratchSelf":
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setSprite(idleAnimation, idleAnimationFrame);
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if (idleAnimationFrame > 9) {
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resetIdleAnimation();
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}
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break;
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default:
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setSprite("idle", 0);
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return;
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}
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idleAnimationFrame += 1;
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}
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function frame() {
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frameCount += 1;
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const diffX = nekoPosX - mousePosX;
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const diffY = nekoPosY - mousePosY;
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const distance = Math.sqrt(diffX ** 2 + diffY ** 2);
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if (distance < nekoSpeed || distance < 48) {
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idle();
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}
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setSprite("sleeping", Math.floor(idleAnimationFrame / 4));
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if (idleAnimationFrame > 192) {
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resetIdleAnimation();
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}
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break;
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case "scratchWallN":
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case "scratchWallS":
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case "scratchWallE":
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case "scratchWallW":
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case "scratchSelf":
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setSprite(idleAnimation, idleAnimationFrame);
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if (idleAnimationFrame > 9) {
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resetIdleAnimation();
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}
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break;
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default:
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setSprite("idle", 0);
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return;
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}
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idleAnimation = null;
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idleAnimationFrame = 0;
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if (idleTime > 1) {
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setSprite("alert", 0);
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// count down after being alerted before moving
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idleTime = Math.min(idleTime, 7);
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idleTime -= 1;
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return;
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}
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direction = diffY / distance > 0.5 ? "N" : "";
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direction += diffY / distance < -0.5 ? "S" : "";
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direction += diffX / distance > 0.5 ? "W" : "";
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direction += diffX / distance < -0.5 ? "E" : "";
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setSprite(direction, frameCount);
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nekoPosX -= (diffX / distance) * nekoSpeed;
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nekoPosY -= (diffY / distance) * nekoSpeed;
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nekoPosX = Math.min(Math.max(16, nekoPosX), window.innerWidth - 16);
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nekoPosY = Math.min(Math.max(16, nekoPosY), window.innerHeight - 16);
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nekoEl.style.left = `${nekoPosX - 16}px`;
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nekoEl.style.top = `${nekoPosY - 16}px`;
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}
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create();
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})();
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idleAnimationFrame += 1;
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}
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function frame() {
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frameCount += 1;
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const diffX = nekoPosX - mousePosX;
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const diffY = nekoPosY - mousePosY;
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const distance = Math.sqrt(diffX ** 2 + diffY ** 2);
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if (distance < nekoSpeed || distance < 48) {
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idle();
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return;
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}
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idleAnimation = null;
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idleAnimationFrame = 0;
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if (idleTime > 1) {
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setSprite("alert", 0);
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// count down after being alerted before moving
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idleTime = Math.min(idleTime, 7);
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idleTime -= 1;
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return;
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}
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direction = diffY / distance > 0.5 ? "N" : "";
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direction += diffY / distance < -0.5 ? "S" : "";
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direction += diffX / distance > 0.5 ? "W" : "";
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direction += diffX / distance < -0.5 ? "E" : "";
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setSprite(direction, frameCount);
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nekoPosX -= (diffX / distance) * nekoSpeed;
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nekoPosY -= (diffY / distance) * nekoSpeed;
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nekoPosX = Math.min(Math.max(16, nekoPosX), window.innerWidth - 16);
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nekoPosY = Math.min(Math.max(16, nekoPosY), window.innerHeight - 16);
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nekoEl.style.left = `${nekoPosX - 16}px`;
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nekoEl.style.top = `${nekoPosY - 16}px`;
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}
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create();
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};
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const isReduced = window.matchMedia(`(prefers-reduced-motion: reduce)`) === true || window.matchMedia(`(prefers-reduced-motion: reduce)`).matches === true;
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if (!isReduced) {
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oneko();
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}
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