From db9d0090b78cd5462f99c28e1314dbd44533a9b9 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Tue, 21 Apr 2026 11:47:58 +0900
Subject: [PATCH] clean up

---
 packages/frontend/src/world/engine.ts      |   2 +-
 packages/frontend/src/world/room/engine.ts |   2 +-
 packages/frontend/src/world/utility.ts     | 113 ---------------------
 3 files changed, 2 insertions(+), 115 deletions(-)

diff --git a/packages/frontend/src/world/engine.ts b/packages/frontend/src/world/engine.ts
index ef98ea9b5a..663134e8cb 100644
--- a/packages/frontend/src/world/engine.ts
+++ b/packages/frontend/src/world/engine.ts
@@ -8,7 +8,7 @@ import { AxesViewer } from '@babylonjs/core/Debug/axesViewer';
 import { registerBuiltInLoaders } from '@babylonjs/loaders/dynamic';
 import { EventEmitter } from 'eventemitter3';
 import tinycolor from 'tinycolor2';
-import { HorizontalCameraKeyboardMoveInput, RecyvlingTextGrid, Timer, WORLD_SCALE, camelToKebab, cm, createPlaneUvMapper, normalizeUvToSquare, randomRange } from './utility.js';
+import { RecyvlingTextGrid, Timer, WORLD_SCALE, camelToKebab, cm, createPlaneUvMapper, normalizeUvToSquare, randomRange } from './utility.js';
 import { TIME_MAP } from './utility.js';
 import { genId } from '@/utility/id.js';
 import { deepClone } from '@/utility/clone.js';
diff --git a/packages/frontend/src/world/room/engine.ts b/packages/frontend/src/world/room/engine.ts
index 18391cfe27..d9f8ba0a04 100644
--- a/packages/frontend/src/world/room/engine.ts
+++ b/packages/frontend/src/world/room/engine.ts
@@ -14,7 +14,7 @@ import { registerBuiltInLoaders } from '@babylonjs/loaders/dynamic';
 import { BoundingBoxRenderer } from '@babylonjs/core/Rendering/boundingBoxRenderer';
 import { GridMaterial } from '@babylonjs/materials';
 import { EventEmitter } from 'eventemitter3';
-import { TIME_MAP, scaleMorph, HorizontalCameraKeyboardMoveInput, camelToKebab, cm, WORLD_SCALE, getMeshesBoundingBox, Timer } from '../utility.js';
+import { TIME_MAP, scaleMorph, camelToKebab, cm, WORLD_SCALE, getMeshesBoundingBox, Timer } from '../utility.js';
 import { getObjectDef } from './object-defs.js';
 import { findMaterial, ModelManager, SYSTEM_HEYA_MESH_NAMES, SYSTEM_MESH_NAMES } from './utility.js';
 import { SimpleHeyaManager } from './heya.js';
diff --git a/packages/frontend/src/world/utility.ts b/packages/frontend/src/world/utility.ts
index bef7de736a..49c5a2996d 100644
--- a/packages/frontend/src/world/utility.ts
+++ b/packages/frontend/src/world/utility.ts
@@ -38,119 +38,6 @@ export const TIME_MAP = {
 	23: 2,
 } as const;
 
-export class HorizontalCameraKeyboardMoveInput extends BABYLON.BaseCameraPointersInput {
-	public camera: BABYLON.FreeCamera;
-	private engine: BABYLON.AbstractEngine;
-	private scene: BABYLON.Scene;
-	preShift = false;
-	codes = [];
-	codesUp = ['KeyW'];
-	codesDown = ['KeyS'];
-	codesLeft = ['KeyA'];
-	codesRight = ['KeyD'];
-	onCanvasBlurObserver = null;
-	onKeyboardObserver = null;
-	public canMove = true;
-	private moveSpeed = 0.1;
-
-	constructor(camera: BABYLON.UniversalCamera, moveSpeed = 0.1) {
-		super();
-		this.camera = camera;
-		this.scene = this.camera.getScene();
-		this.engine = this.scene.getEngine();
-		this.moveSpeed = moveSpeed;
-	}
-
-	attachControl() {
-		if (this.onCanvasBlurObserver) {
-			return;
-		}
-
-		this.onCanvasBlurObserver = this.engine.onCanvasBlurObservable.add(() => {
-			this.codes = [];
-		});
-
-		this.onKeyboardObserver = this.scene.onKeyboardObservable.add(({ event, type }) => {
-			const { code, shiftKey } = event;
-			this.preShift = shiftKey;
-
-			if (type === BABYLON.KeyboardEventTypes.KEYDOWN) {
-				if (this.codesUp.indexOf(code) >= 0 ||
-					this.codesDown.indexOf(code) >= 0 ||
-					this.codesLeft.indexOf(code) >= 0 ||
-					this.codesRight.indexOf(code) >= 0) {
-					const index = this.codes.findIndex(v => v.code === code);
-					if (index < 0) { // 存在しなかったら追加する
-						this.codes.push({ code });
-					}
-				}
-			} else {
-				if (this.codesUp.indexOf(code) >= 0 ||
-					this.codesDown.indexOf(code) >= 0 ||
-					this.codesLeft.indexOf(code) >= 0 ||
-					this.codesRight.indexOf(code) >= 0) {
-					const index = this.codes.findIndex(v => v.code === code);
-					if (index >= 0) { // 存在したら削除する
-						this.codes.splice(index, 1);
-					}
-				}
-			}
-		});
-	}
-
-	detachControl() {
-		this.codes = [];
-
-		if (this.onKeyboardObserver) this.scene.onKeyboardObservable.remove(this.onKeyboardObserver);
-		if (this.onCanvasBlurObserver) this.engine.onCanvasBlurObservable.remove(this.onCanvasBlurObserver);
-		this.onKeyboardObserver = null;
-		this.onCanvasBlurObserver = null;
-	}
-
-	checkInputs() {
-		if (!this.onKeyboardObserver) {
-			return;
-		}
-		for (let index = 0; index < this.codes.length; index++) {
-			const { code } = this.codes[index];
-
-			const local = new BABYLON.Vector3();
-			if (this.codesLeft.indexOf(code) >= 0) {
-				local.x += -1;
-			} else if (this.codesUp.indexOf(code) >= 0) {
-				local.z += this.scene.useRightHandedSystem ? -1 : 1;
-			} else if (this.codesRight.indexOf(code) >= 0) {
-				local.x += 1;
-			} else if (this.codesDown.indexOf(code) >= 0) {
-				local.z += this.scene.useRightHandedSystem ? 1 : -1;
-			}
-
-			if (local.length() === 0) {
-				continue;
-			}
-
-			const dir = this.camera.getDirection(local.normalize());
-			dir.y = 0;
-			dir.normalize();
-			const dashFactor = this.preShift ? 3 : 1;
-			const moveSpeed = this.moveSpeed * this.scene.getAnimationRatio();
-			const move = dir.scale(moveSpeed * dashFactor);
-
-			if (this.canMove) {
-				this.camera.cameraDirection.addInPlace(move);
-			}
-		}
-	}
-
-	getClassName() {
-		return 'HorizontalCameraKeyboardMoveInput';
-	}
-
-	getSimpleName() {
-		return 'horizontalkeyboard';
-	}
-}
-
 const nanasegNumberMap = [
 	['a', 'b', 'c', 'd', 'e', 'f'], // 0
 	['b', 'c'], // 1