Camera.ts

import { Mesh,ArcRotateCamera,PointerEventTypes, KeyboardEventTypes} from "@babylonjs/core";

import { fromScene } from "../tools";

import { onPointerEvent, onKeyboardEvent } from "../tools";

export default class MyScript extends ArcRotateCamera {

    @fromScene("Armature")
    private _armature: Mesh;

    protected constructor() { }


    public onStart(): void {
        this.parent = this._armature;
    }


     /**
     * Request pointer lock.
     */
    @onPointerEvent(PointerEventTypes.POINTERDOWN, false)
    private _onPointerEvent(): void {
        const engine = this.getEngine();
        if (!engine.isPointerLock) {
            engine.enterPointerlock();
        }
    }

    /**
     * Exit pointer lock.
     */
    @onKeyboardEvent(27, KeyboardEventTypes.KEYUP)
    private _onKeyboardEvent(): void {
        const engine = this.getEngine();
        if (engine.isPointerLock) {
            engine.exitPointerlock();
        }
    }
}