add oneko to rdrama

files/assets/js/vendor/oneko.js

@@ -0,0 +1,199 @@
+// based on oneko.js from https://github.com/adryd325/oneko.js, licensed under MIT, with art from https://twitter.com/_Anunnery
+
+(function oneko() {
+    const nekoEl = document.createElement("div");
+    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]],
+      alert: [[-7, -3]],
+      scratchSelf: [
+        [-5, 0],
+        [-6, 0],
+        [-7, 0],
+      ],
+      scratchWallN: [
+        [0, 0],
+        [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 create() {
+      nekoEl.id = "oneko";
+      nekoEl.style.width = "32px";
+      nekoEl.style.height = "32px";
+      nekoEl.style.position = "fixed";
+      nekoEl.style.pointerEvents = "none";
+      nekoEl.style.backgroundImage = "url('/i/oneko.gif')";
+      nekoEl.style.imageRendering = "pixelated";
+      nekoEl.style.left = "16px";
+      nekoEl.style.top = "16px";
+  
+      document.body.appendChild(nekoEl);
+  
+      document.onmousemove = (event) => {
+        mousePosX = event.clientX;
+        mousePosY = event.clientY;
+      };
+  
+      window.onekoInterval = setInterval(frame, 100);
+    }
+  
+    function setSprite(name, frame) {
+      const sprite = spriteSets[name][frame % spriteSets[name].length];
+      nekoEl.style.backgroundPosition = `${sprite[0] * 32}px ${sprite[1] * 32}px`;
+    }
+  
+    function resetIdleAnimation() {
+      idleAnimation = null;
+      idleAnimationFrame = 0;
+    }
+  
+    function idle() {
+      idleTime += 1;
+  
+      // every ~ 20 seconds
+      if (idleTime > 10 && true && idleAnimation == null) {
+        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) {
+        case "sleeping":
+          if (idleAnimationFrame < 8) {
+            setSprite("tired", 0);
+            break;
+          }
+          setSprite("sleeping", Math.floor(idleAnimationFrame / 4));
+          if (idleAnimationFrame > 192) {
+            resetIdleAnimation();
+          }
+          break;
+        case "scratchWallN":
+        case "scratchWallS":
+        case "scratchWallE":
+        case "scratchWallW":
+        case "scratchSelf":
+          setSprite(idleAnimation, idleAnimationFrame);
+          if (idleAnimationFrame > 9) {
+            resetIdleAnimation();
+          }
+          break;
+        default:
+          setSprite("idle", 0);
+          return;
+      }
+      idleAnimationFrame += 1;
+    }
+  
+    function frame() {
+      frameCount += 1;
+      const diffX = nekoPosX - mousePosX;
+      const diffY = nekoPosY - mousePosY;
+      const distance = Math.sqrt(diffX ** 2 + diffY ** 2);
+  
+      if (distance < nekoSpeed || distance < 48) {
+        idle();
+        return;
+      }
+  
+      idleAnimation = null;
+      idleAnimationFrame = 0;
+  
+      if (idleTime > 1) {
+        setSprite("alert", 0);
+        // count down after being alerted before moving
+        idleTime = Math.min(idleTime, 7);
+        idleTime -= 1;
+        return;
+      }
+  
+      direction = diffY / distance > 0.5 ? "N" : "";
+      direction += diffY / distance < -0.5 ? "S" : "";
+      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`;
+    }
+  
+    create();
+  })();

files/templates/default.html

@@ -98,6 +98,10 @@
 	<script defer src="{{'js/spider.js' | asset}}"></script>
 {% endif %}
 
+{% if SITE_NAME == 'rDrama' %}
+	<script defer src="{{'js/vendor/oneko.js' | asset}}"></script>
+{% endif %}
+
 {% if IS_DKD() %}
 	{% include "events/DKD/music.html" %}
 {% elif IS_FISTMAS() %}