commit 95b5e2dd4a8184688c6cbd7717cb7394768f3e54 · nel.pet/www.nelind.dk

index.html

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           <link rel="stylesheet" href="/style.css">

     

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           <link rel="stylesheet" href="/index.css">

     

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           <script defer data-domain="nelind.dk" src="https://plausible.nelind.dk/js/script.js"></script>

     

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           <script defer src="oneko.js"></script>

     

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       </head>

     

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       <body>

     

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           <div id="oneko"></div>

     

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           <header class="page-header">

     

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               <nav>

oneko.gif

This is a binary file and will not be displayed.

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oneko.js

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       // oneko.js: https://github.com/adryd325/oneko.js

     

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       // petable version from https://github.com/tylxr59/oneko.js

     

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       (function oneko() {

     

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         const isReducedMotion =

     

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           window.matchMedia(`(prefers-reduced-motion: reduce)`) === true ||

     

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           window.matchMedia(`(prefers-reduced-motion: reduce)`).matches === true;

     

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         if (isReducedMotion) return;

     

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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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         // up neko speed from default 10

     

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         const nekoSpeed = 15;

     

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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 init() {

     

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           nekoEl.id = "oneko";

     

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           nekoEl.ariaHidden = true;

     

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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 = "auto";

     

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           nekoEl.style.imageRendering = "pixelated";

     

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           nekoEl.style.left = `${nekoPosX - 16}px`;

     

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           nekoEl.style.top = `${nekoPosY - 16}px`;

     

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           nekoEl.style.zIndex = Number.MAX_VALUE;

     

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           let nekoFile = "./oneko.gif"

     

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           const curScript = document.currentScript

     

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           if (curScript && curScript.dataset.cat) {

     

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             nekoFile = curScript.dataset.cat

     

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           }

     

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           nekoEl.style.backgroundImage = `url(${nekoFile})`;

     

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           document.body.appendChild(nekoEl);

     

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           document.addEventListener("mousemove", function (event) {

     

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             mousePosX = event.clientX;

     

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             mousePosY = event.clientY;

     

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           });

     

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           window.requestAnimationFrame(onAnimationFrame);

     

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         }

     

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         let lastFrameTimestamp;

     

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         function onAnimationFrame(timestamp) {

     

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           // Stops execution if the neko element is removed from DOM

     

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           if (!nekoEl.isConnected) {

     

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             return;

     

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           }

     

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           if (!lastFrameTimestamp) {

     

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             lastFrameTimestamp = timestamp;

     

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           }

     

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           if (timestamp - lastFrameTimestamp > 100) {

     

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             lastFrameTimestamp = timestamp

     

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             frame()

     

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           }

     

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           window.requestAnimationFrame(onAnimationFrame);

     

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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 (

     

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             idleTime > 10 &&

     

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             Math.floor(Math.random() * 200) == 0 &&

     

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             idleAnimation == null

     

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           ) {

     

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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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           }

     

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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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               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 explodeHearts() {

     

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           const parent = nekoEl.parentElement;

     

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           const rect = nekoEl.getBoundingClientRect();

     

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           const scrollLeft = window.scrollX || document.documentElement.scrollLeft;

     

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           const scrollTop = window.scrollY || document.documentElement.scrollTop;

     

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           const centerX = rect.left + rect.width / 2 + scrollLeft;

     

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           const centerY = rect.top + rect.height / 2 + scrollTop;

     

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           for (let i = 0; i < 10; i++) {

     

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             const heart = document.createElement('div');

     

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             heart.className = 'heart';

     

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             heart.textContent = '❤';

     

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             const offsetX = (Math.random() - 0.5) * 50;

     

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             const offsetY = (Math.random() - 0.5) * 50;

     

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             heart.style.left = `${centerX + offsetX - 16}px`;

     

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             heart.style.top = `${centerY + offsetY - 16}px`;

     

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             heart.style.transform = `translate(-50%, -50%) rotate(${Math.random() * 360}deg)`;

     

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             parent.appendChild(heart);

     

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             setTimeout(() => {

     

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               parent.removeChild(heart);

     

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             }, 1000);

     

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           }

     

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         }

     

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         const style = document.createElement('style');

     

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         style.innerHTML = `

     

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       		  @keyframes heartBurst {

     

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       			  0% { transform: scale(0); opacity: 1; }

     

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       			  100% { transform: scale(1); opacity: 0; }

     

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       		  }

     

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       		  .heart {

     

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       			  position: absolute;

     

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       			  font-size: 2em;

     

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       			  animation: heartBurst 1s ease-out;

     

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       			  animation-fill-mode: forwards;

     

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       			  color: #ab9df2;

     

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       		  }

     

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       	  `;

     

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         document.head.appendChild(style);

     

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         nekoEl.addEventListener('click', explodeHearts);

     

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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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           let direction;

     

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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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       +
       

     

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           nekoPosX -= (diffX / distance) * nekoSpeed;

     

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           nekoPosY -= (diffY / distance) * nekoSpeed;

     

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       +
       

     

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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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       +
       

     

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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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         init();

     

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       })();