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packages/frontend/src/utility/room/objects/blind.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, WORLD_SCALE } from '../engine.js';
+
+export const blind = defineObject({
+	id: 'blind',
+	defaultOptions: {
+		blades: 24,
+		angle: 0,
+		open: 1,
+	},
+	placement: 'bottom',
+	createInstance: ({ room, o, loaderResult, meshUpdated }) => {
+		const blade = loaderResult.meshes[0].getChildMeshes().find(m => m.name === 'Blade') as BABYLON.Mesh;
+		blade.rotation = new BABYLON.Vector3(o.options.angle, 0, 0);
+
+		let blades = [] as BABYLON.Mesh[];
+
+		const applyOpeningState = () => {
+			for (const b of blades) {
+				b.dispose();
+			}
+			blades = [];
+
+			for (let i = 0; i < o.options.blades; i++) {
+				if (i / o.options.blades > o.options.open) continue;
+
+				const b = blade.clone();
+				b.position.y -= (i * 4/*cm*/) / WORLD_SCALE;
+				blades.push(b);
+			}
+
+			meshUpdated();
+		};
+
+		const applyAngle = () => {
+			for (const b of [blade, ...blades]) {
+				b.rotation.x = o.options.angle;
+			}
+		};
+
+		applyOpeningState();
+		applyAngle();
+
+		return {
+			onInited: () => {
+
+			},
+			interactions: {
+				adjustBladeRotation: {
+					label: 'Adjust blade rotation',
+					fn: () => {
+						o.options.angle += Math.PI / 24;
+						if (o.options.angle > Math.PI / 2) o.options.angle = 0;
+						applyAngle();
+					},
+				},
+				openClose: {
+					label: 'Open/close',
+					fn: () => {
+						o.options.open -= 0.25;
+						if (o.options.open < 0) o.options.open = 1;
+						applyOpeningState();
+					},
+				},
+			},
+			primaryInteraction: 'openClose',
+		};
+	},
+});