Revert "Finish unopened page."

This reverts commit 8990a3d4ac.

src/index.js

@@ -1,3 +1,5 @@
+import {startClosedAnimation} from "./closed";
+
 window.addEventListener('load', function () {
     if (document.body.classList.contains('open')) {
         // TODO: leave it in HTML/CSS for now.
@@ -5,75 +7,3 @@ window.addEventListener('load', function () {
         startClosedAnimation();
     }
 });
-
-
-function startClosedAnimation() {
-    const state = {
-        popups: [],
-        popup_index: 0,
-    };
-
-    const MAX_POPUPS = 200;
-
-    function minDist(x, y) {
-        let min = 0;
-        let element;
-        for (element of state.popups) {
-            if (element == null) {
-                continue;
-            }
-
-            const dx = x - element.x;
-            const dy = y - element.y;
-            const dist = Math.sqrt(dx * dx + dy * dy);
-            min = Math.min(dist, min);
-        }
-
-        return min;
-    }
-
-    function animationTick() {
-        const index = state.popup_index;
-        if (state.popups.length >= MAX_POPUPS) {
-            document.body.removeChild(state.popups[index].element);
-            state.popups[index] = null;
-        }
-
-        const width = window.innerWidth;
-        const height = window.innerHeight;
-
-        // Generate new candidates
-        const candidates = [];
-        for (let i = 0; i < MAX_POPUPS; ++i) {
-            candidates.push({x: Math.random() * width, y: Math.random() * height});
-        }
-
-        let best = candidates[0];
-        let max = minDist(candidates[0].x, candidates[0].y);
-        let candidate;
-        for (candidate of candidates) {
-            const dist = minDist(candidate.x, candidate.y);
-            if (dist > max) {
-                best = candidate;
-                max = dist;
-            }
-        }
-
-        let element = document.createElement('div');
-        element.innerText = 'Nee';
-        element.classList.add('closed_notice');
-        element.style.left = best.x + 'px';
-        element.style.top = best.y + 'px';
-        element.style.transform = 'rotate(' + (Math.random() * 360) + 'deg)';
-
-        document.body.appendChild(element);
-        best.element = element;
-
-        state.popups[index] = best;
-        state.popup_index = (index + 1) % MAX_POPUPS;
-    }
-
-    window.setInterval(animationTick, 100);
-}
-
-