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packages/frontend/src/utility/room/objects/wallClock.ts

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+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import * as BABYLON from '@babylonjs/core';
+import { defineObject } from '../engine.js';
+
+export const wallClock = defineObject({
+	id: 'wallClock',
+	defaultOptions: {},
+	placement: 'side',
+	createInstance: ({ room, o, root }) => {
+		return {
+			onInited: () => {
+				const hourHand = root.getChildMeshes().find(m => m.name === 'HandH') as BABYLON.Mesh;
+				const minuteHand = root.getChildMeshes().find(m => m.name === 'HandM') as BABYLON.Mesh;
+				room.intervalIds.push(window.setInterval(() => {
+					const now = new Date();
+					const hours = now.getHours() % 12;
+					const minutes = now.getMinutes();
+					const hAngle = -(hours / 12) * Math.PI * 2 - (minutes / 60) * (Math.PI * 2 / 12);
+					const mAngle = -(minutes / 60) * Math.PI * 2;
+					hourHand.rotation = new BABYLON.Vector3(0, 0, hAngle);
+					minuteHand.rotation = new BABYLON.Vector3(0, 0, mAngle);
+				}, 1000));
+			},
+			interactions: {},
+		};
+	},
+});