Keep the cat in the navbar !

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

public/scripts/oneko.js

@@ -1,284 +1,141 @@
-// oneko.js: https://github.com/adryd325/oneko.js
+// oneko.js — navbar wanderer (based on https://github.com/adryd325/oneko.js)
 
 (function oneko() {
-  const isReducedMotion =
+  if (window.matchMedia("(prefers-reduced-motion: reduce)").matches) return;
-    window.matchMedia(`(prefers-reduced-motion: reduce)`) === true ||
-    window.matchMedia(`(prefers-reduced-motion: reduce)`).matches === true;
 
-  if (isReducedMotion) return;
+  const SIZE  = 32;
+  const SPEED = 10;
 
-  const nekoEl = document.createElement("div");
-  let persistPosition = true;
-
-  let nekoPosX = 32;
-  let nekoPosY = 32;
-
-  let mousePosX = 0;
-  let mousePosY = 0;
-
-  let frameCount = 0;
-  let idleTime = 0;
-  let idleAnimation = null;
-  let idleAnimationFrame = 0;
-
-  const nekoSpeed = 10;
   const spriteSets = {
-    idle: [[-3, -3]],
+    idle:        [[-3, -3]],
-    alert: [[-7, -3]],
+    alert:       [[-7, -3]],
-    scratchSelf: [
+    scratchSelf: [[-5, 0], [-6, 0], [-7, 0]],
-      [-5, 0],
+    scratchWallE:[[-2, -2], [-2, -3]],
-      [-6, 0],
+    scratchWallW:[[-4, 0],  [-4, -1]],
-      [-7, 0],
+    tired:       [[-3, -2]],
-    ],
+    sleeping:    [[-2, 0],  [-2, -1]],
-    scratchWallN: [
+    E:           [[-3, 0],  [-3, -1]],
-      [0, 0],
+    W:           [[-4, -2], [-4, -3]],
-      [0, -1],
-    ],
-    scratchWallS: [
-      [-7, -1],
-      [-6, -2],
-    ],
-    scratchWallE: [
-      [-2, -2],
-      [-2, -3],
-    ],
-    scratchWallW: [
-      [-4, 0],
-      [-4, -1],
-    ],
-    tired: [[-3, -2]],
-    sleeping: [
-      [-2, 0],
-      [-2, -1],
-    ],
-    N: [
-      [-1, -2],
-      [-1, -3],
-    ],
-    NE: [
-      [0, -2],
-      [0, -3],
-    ],
-    E: [
-      [-3, 0],
-      [-3, -1],
-    ],
-    SE: [
-      [-5, -1],
-      [-5, -2],
-    ],
-    S: [
-      [-6, -3],
-      [-7, -2],
-    ],
-    SW: [
-      [-5, -3],
-      [-6, -1],
-    ],
-    W: [
-      [-4, -2],
-      [-4, -3],
-    ],
-    NW: [
-      [-1, 0],
-      [-1, -1],
-    ],
   };
 
-  function init() {
+  const track = document.getElementById("oneko-track");
-    let nekoFile = "/oneko.gif";
+  if (!track) return;
-    const curScript = document.currentScript;
-    if (curScript && curScript.dataset.cat) {
-      nekoFile = curScript.dataset.cat;
-    }
-    if (curScript && curScript.dataset.persistPosition) {
-      if (curScript.dataset.persistPosition === "") {
-        persistPosition = true;
-      } else {
-        persistPosition = JSON.parse(
-          curScript.dataset.persistPosition.toLowerCase(),
-        );
-      }
-    }
 
-    if (persistPosition) {
+  const el = document.createElement("div");
-      let storedNeko = JSON.parse(window.localStorage.getItem("oneko"));
+  el.id                   = "oneko";
-      if (storedNeko !== null) {
+  el.ariaHidden           = "true";
-        nekoPosX = storedNeko.nekoPosX;
+  el.style.width          = `${SIZE}px`;
-        nekoPosY = storedNeko.nekoPosY;
+  el.style.height         = `${SIZE}px`;
-        mousePosX = storedNeko.mousePosX;
+  el.style.position       = "absolute";
-        mousePosY = storedNeko.mousePosY;
+  el.style.bottom         = "0";
-        frameCount = storedNeko.frameCount;
+  el.style.pointerEvents  = "none";
-        idleTime = storedNeko.idleTime;
+  el.style.imageRendering = "pixelated";
-        idleAnimation = storedNeko.idleAnimation;
+  el.style.zIndex         = "2147483647";
-        idleAnimationFrame = storedNeko.idleAnimationFrame;
+  el.style.backgroundImage= "url(/oneko.gif)";
-        nekoEl.style.backgroundPosition = storedNeko.bgPos;
+  track.appendChild(el);
-      }
-    }
 
-    nekoEl.id = "oneko";
+  function maxX()         { return track.offsetWidth - SIZE; }
-    nekoEl.ariaHidden = true;
+  function clamp(v,lo,hi) { return Math.max(lo, Math.min(hi, v)); }
-    nekoEl.style.width = "32px";
+  function randomTarget() { return Math.random() * maxX(); }
-    nekoEl.style.height = "32px";
-    nekoEl.style.position = "fixed";
-    nekoEl.style.pointerEvents = "none";
-    nekoEl.style.imageRendering = "pixelated";
-    nekoEl.style.left = `${nekoPosX - 16}px`;
-    nekoEl.style.top = `${nekoPosY - 16}px`;
-    nekoEl.style.zIndex = 2147483647;
-
-    nekoEl.style.backgroundImage = `url(${nekoFile})`;
-
-    document.body.appendChild(nekoEl);
-
-    document.addEventListener("mousemove", function (event) {
-      mousePosX = event.clientX;
-      mousePosY = event.clientY;
-    });
-
-    if (persistPosition) {
-      window.addEventListener("beforeunload", function (_event) {
-        window.localStorage.setItem(
-          "oneko",
-          JSON.stringify({
-            nekoPosX: nekoPosX,
-            nekoPosY: nekoPosY,
-            mousePosX: mousePosX,
-            mousePosY: mousePosY,
-            frameCount: frameCount,
-            idleTime: idleTime,
-            idleAnimation: idleAnimation,
-            idleAnimationFrame: idleAnimationFrame,
-            bgPos: nekoEl.style.backgroundPosition,
-          }),
-        );
-      });
-    }
-
-    window.requestAnimationFrame(onAnimationFrame);
-  }
-
-  let lastFrameTimestamp;
-
-  function onAnimationFrame(timestamp) {
-    // Stops execution if the neko element is removed from DOM
-    if (!nekoEl.isConnected) {
-      return;
-    }
-    if (!lastFrameTimestamp) {
-      lastFrameTimestamp = timestamp;
-    }
-    if (timestamp - lastFrameTimestamp > 100) {
-      lastFrameTimestamp = timestamp;
-      frame();
-    }
-    window.requestAnimationFrame(onAnimationFrame);
-  }
 
   function setSprite(name, frame) {
-    const sprite = spriteSets[name][frame % spriteSets[name].length];
+    const s = spriteSets[name][frame % spriteSets[name].length];
-    nekoEl.style.backgroundPosition = `${sprite[0] * 32}px ${sprite[1] * 32}px`;
+    el.style.backgroundPosition = `${s[0] * SIZE}px ${s[1] * SIZE}px`;
   }
 
-  function resetIdleAnimation() {
+  let posX          = randomTarget();
-    idleAnimation = null;
+  let targetX       = posX;
-    idleAnimationFrame = 0;
+  el.style.left     = `${posX}px`;
-  }
+
+  let frameCount    = 0;
+  let idleTime      = 0;
+  let idleAnim      = null;
+  let idleAnimFrame = 0;
+  let lastTs        = null;
+
+  function resetIdle() { idleAnim = null; idleAnimFrame = 0; }
 
   function idle() {
-    idleTime += 1;
+    idleTime++;
 
-    // every ~ 20 seconds
+    if (idleTime > 40 && Math.floor(Math.random() * 120) === 0) {
-    if (
+      targetX = randomTarget();
-      idleTime > 10 &&
+      idleTime = 0;
-      Math.floor(Math.random() * 200) == 0 &&
+      resetIdle();
-      idleAnimation == null
+      return;
-    ) {
-      let avalibleIdleAnimations = ["sleeping", "scratchSelf"];
-      if (nekoPosX < 32) {
-        avalibleIdleAnimations.push("scratchWallW");
-      }
-      if (nekoPosY < 32) {
-        avalibleIdleAnimations.push("scratchWallN");
-      }
-      if (nekoPosX > window.innerWidth - 32) {
-        avalibleIdleAnimations.push("scratchWallE");
-      }
-      if (nekoPosY > window.innerHeight - 32) {
-        avalibleIdleAnimations.push("scratchWallS");
-      }
-      idleAnimation =
-        avalibleIdleAnimations[
-          Math.floor(Math.random() * avalibleIdleAnimations.length)
-        ];
     }
 
-    switch (idleAnimation) {
+    if (idleTime > 15 && idleAnim == null && Math.floor(Math.random() * 180) === 0) {
+      const opts = ["sleeping", "scratchSelf"];
+      if (posX <= SIZE)         opts.push("scratchWallW");
+      if (posX >= maxX() - SIZE) opts.push("scratchWallE");
+      idleAnim = opts[Math.floor(Math.random() * opts.length)];
+    }
+
+    switch (idleAnim) {
       case "sleeping":
-        if (idleAnimationFrame < 8) {
+        if (idleAnimFrame < 8) { setSprite("tired", 0); break; }
-          setSprite("tired", 0);
+        setSprite("sleeping", Math.floor(idleAnimFrame / 4));
-          break;
+        if (idleAnimFrame > 192) resetIdle();
-        }
-        setSprite("sleeping", Math.floor(idleAnimationFrame / 4));
-        if (idleAnimationFrame > 192) {
-          resetIdleAnimation();
-        }
         break;
-      case "scratchWallN":
-      case "scratchWallS":
       case "scratchWallE":
       case "scratchWallW":
       case "scratchSelf":
-        setSprite(idleAnimation, idleAnimationFrame);
+        setSprite(idleAnim, idleAnimFrame);
-        if (idleAnimationFrame > 9) {
+        if (idleAnimFrame > 9) resetIdle();
-          resetIdleAnimation();
-        }
         break;
       default:
         setSprite("idle", 0);
         return;
     }
-    idleAnimationFrame += 1;
+    idleAnimFrame++;
   }
 
   function frame() {
-    frameCount += 1;
+    frameCount++;
-    const diffX = nekoPosX - mousePosX;
+    const diff = targetX - posX;
-    const diffY = nekoPosY - mousePosY;
+    const dist = Math.abs(diff);
-    const distance = Math.sqrt(diffX ** 2 + diffY ** 2);
 
-    if (distance < nekoSpeed || distance < 48) {
+    if (dist < SPEED) {
+      posX = targetX;
       idle();
       return;
     }
 
-    idleAnimation = null;
+    resetIdle();
-    idleAnimationFrame = 0;
 
-    if (idleTime > 1) {
+    if (idleTime > 5) {
       setSprite("alert", 0);
-      // count down after being alerted before moving
+      idleTime = Math.min(idleTime, 7) - 1;
-      idleTime = Math.min(idleTime, 7);
-      idleTime -= 1;
       return;
     }
+    idleTime = 0;
 
-    let direction;
+    setSprite(diff > 0 ? "E" : "W", frameCount);
-    direction = diffY / distance > 0.5 ? "N" : "";
+    posX = clamp(posX + (diff > 0 ? SPEED : -SPEED), 0, maxX());
-    direction += diffY / distance < -0.5 ? "S" : "";
+    el.style.left = `${posX}px`;
-    direction += diffX / distance > 0.5 ? "W" : "";
-    direction += diffX / distance < -0.5 ? "E" : "";
-    setSprite(direction, frameCount);
-
-    nekoPosX -= (diffX / distance) * nekoSpeed;
-    nekoPosY -= (diffY / distance) * nekoSpeed;
-
-    nekoPosX = Math.min(Math.max(16, nekoPosX), window.innerWidth - 16);
-    nekoPosY = Math.min(Math.max(16, nekoPosY), window.innerHeight - 16);
-
-    nekoEl.style.left = `${nekoPosX - 16}px`;
-    nekoEl.style.top = `${nekoPosY - 16}px`;
   }
 
-  init();
+  function loop(ts) {
+    if (!el.isConnected) return;
+    if (!lastTs) lastTs = ts;
+    if (ts - lastTs > 100) { lastTs = ts; frame(); }
+    window.requestAnimationFrame(loop);
+  }
+
+  let lastTrackWidth = track.offsetWidth;
+  window.addEventListener("resize", () => {
+    const newWidth = track.offsetWidth;
+    if (lastTrackWidth > 0) {
+      const ratio = newWidth / lastTrackWidth;
+      posX    = clamp(posX    * ratio, 0, maxX());
+      targetX = clamp(targetX * ratio, 0, maxX());
+      el.style.left = `${posX}px`;
+    }
+    lastTrackWidth = newWidth;
+  });
+
+  setTimeout(() => { targetX = randomTarget(); }, 800 + Math.random() * 1500);
+
+  window.requestAnimationFrame(loop);
 })();

src/components/Navbar.astro

@@ -26,6 +26,8 @@ function isActive(href: string) {
       ~/hadi
     </a>
 
+    <div id="oneko-track" class="flex-1 relative h-12 pointer-events-none"></div>
+
     <nav class="hidden md:flex items-center">
       {
         links.map((link) => (