|  |  | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     getFullWidth = () => { | 
 |  |  |         return this.dom.offsetWidth; | 
 |  |  |         return this.dom?.offsetWidth; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     getFullHeight = () => { | 
 |  |  |         return this.dom.offsetHeight; | 
 |  |  |         return this.dom?.offsetHeight; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     addObject = (object) => { | 
 |  |  | 
 |  |  |         renderer.toneMapping = THREE.ACESFilmicToneMapping; | 
 |  |  |         renderer.setPixelRatio(window.devicePixelRatio); | 
 |  |  |         renderer.setSize(this.getFullWidth(), this.getFullHeight()); | 
 |  |  |         this.dom.appendChild(renderer.domElement); | 
 |  |  |         this.dom?.appendChild(renderer.domElement); | 
 |  |  |         return renderer; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  | 
 |  |  |  | 
 |  |  |     initStats = () => { | 
 |  |  |         const stats = new Stats(); | 
 |  |  |         this.dom.appendChild(stats.dom); | 
 |  |  |         this.dom?.appendChild(stats.dom); | 
 |  |  |         if (!help) { | 
 |  |  |             stats.domElement.style.display = 'none'; | 
 |  |  |         } | 
 |  |  | 
 |  |  |                 this.handleClick(objName, x, y); | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |         this.dom.addEventListener("click", this.handleClickEvent, false); | 
 |  |  |         this.dom?.addEventListener("click", this.handleClickEvent, false); | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     generateMesh = (fn) => { | 
 |  |  | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     rePerspective = (maxHeight) => { | 
 |  |  |         this.camera.position.set(-maxHeight * 0.8, maxHeight * 0.8, maxHeight * 0.8); | 
 |  |  |         this.controls.target = new THREE.Vector3(0, maxHeight * 0.55, 0); | 
 |  |  |         const cameraPosScale = 0.7; | 
 |  |  |         this.camera.position.set(-maxHeight * cameraPosScale, maxHeight * cameraPosScale, maxHeight * cameraPosScale); | 
 |  |  |         this.controls.target = new THREE.Vector3(0, maxHeight * 0.53, 0); | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     destroy = () => { | 
 |  |  | 
 |  |  |             this.controls.dispose(); | 
 |  |  |             this.controls = null; | 
 |  |  |         } | 
 |  |  |         this.dom.removeEventListener("click", this.handleClickEvent); | 
 |  |  |         this.dom?.removeEventListener("click", this.handleClickEvent); | 
 |  |  |         this.camera = null; | 
 |  |  |         this.objects = []; | 
 |  |  |         while (this.dom?.firstChild) { |