将场景相关的参数重置，防止页面多次打开，导致的越来越卡顿的问题

beforeDestroy() {this.resetScene();
},
deactivated() {this.resetScene();
},

//销毁场景等信息
resetScene() {this.isShowWebgl = false; //销毁divtry {cancelAnimationFrame(animateId);clearInterval(this.interval3D);renderer.domElement.addEventListener("click", null, false); //remove listener to renderwindow.addEventListener("resize", null, false);document.addEventListener("visibilitychange", null, false);// 清理动画混合器if (personMixer) {personMixer.uncacheClip(personMixer._actions[0]._clip);personMixer = null;}if (mixer) {mixer.uncacheClip(mixer._actions[0]._clip);mixer = null;}// 从父对象中移除模型资源pathToShow && pathToShow.removeFromParent();person && person.removeFromParent();//tween停止tween && tween.stop();changeAreaTween && changeAreaTween.stop();tweenHandlers.forEach((item) => item.stop());tweenHandlers = [];renderer.dispose();renderer.forceContextLoss();renderer.content = null;let gl = renderer.domElement.getContext("webgl");if (gl && gl.getExtension("WEBGL_lose_context")) {gl.getExtension("WEBGL_lose_context").loseContext();}renderer = null;camera = null;scene.traverse((child) => {if (child.material) {// 可能存在材质为数组的情况if (child.material instanceof Array) {child.material.forEach((item) => item.dispose());} else {child.material.dispose();if (child.material.map) {child.material.map.dispose();}}}if (child.geometry) {child.geometry.dispose();child.geometry.attributes = null; // 这些属性包括position, normal, uv等等}child = null;});scene = new THREE.Scene();} catch (e) {console.error("Failed to destroy threejs", e);}controls = null; //控制器effectComposer = null; //场景渲染器unrealBloomPass = null; // 辉光效果glowComposer = null; //辉光效果器pathCurve = null; // 路径曲线// pathToShow = null; //路径网格模型pathPoints = null; // 路径上的点//漫游路径参数renderFunc = {}; // 漫游的方法animateId = null;//线体信息label参数labelRender = null;isAnimating = false; // 是否开始巡航this.isPaused = false; // 是否开始暂停// person = null; // 保存人物模型的引用currentTween = null; // 当前播放的动画tweenHandlers = []; // 保存 TWEEN 动画的句柄savedCameraPosition = null;savedCameraTarget = null;
},