381 lines
12 KiB
JavaScript
381 lines
12 KiB
JavaScript
import { handleLClick } from "./handleRLclick/handleLclick";
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import { handleRClick } from "./handleRLclick/handleRclick";
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import { handleDBLClick } from "./handleDBLclick";
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import { checkAnimation } from "./checkTag";
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import {
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handleEndChange,
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handleStartChange,
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} from "./handleOrbitControlsChange";
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import { saveState, resetState } from "./viewBack";
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import addFunction from "./addEvent";
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import addDev from "./addDev";
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import removeDev from "./removeDev";
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export default class Demo {
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// 摄像机看向位置
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origin = null;
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//附着点的模型
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points = [];
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//设备模型数组
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deviceModels = [];
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constructor(three, mountedElement) {
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// 外部引入匿名函数
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this._handleLClick = handleLClick;
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this._handleRClick = handleRClick;
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this._handleDBLClick = handleDBLClick;
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this._checkAnimation = checkAnimation;
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this._saveSate = saveState;
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this._resetState = resetState;
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// 增加设备模型
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this.addDev = addDev;
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// 删除设备模型
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this.removeDev = removeDev;
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// 外部可添加函数
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this.addFunction = addFunction;
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this.THREE = three;
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this.mountedElement = mountedElement;
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//初始化场景
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this.scene = new this.THREE.Scene();
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// 初始化摄像机
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this.camera = new this.THREE.PerspectiveCamera(
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75,
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window.innerWidth / window.innerHeight,
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1,
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1000
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);
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this.camera.position.z = -60;
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this.camera.position.y = 20;
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this.camera.position.x = -30;
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this.camera.lookAt(0, 0, 1000);
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// 初始化渲染器
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this.renderer = new this.THREE.WebGLRenderer({
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// 抗锯齿
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antialias: true,
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});
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this.renderer.setSize(window.innerWidth, window.innerHeight);
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this.renderer.domElement.style.position = "absolute";
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this.mountedElement.appendChild(this.renderer.domElement);
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// 创建渲染帧
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this.render = () => {
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this.__renderScope();
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requestAnimationFrame(this.render);
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};
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this.render();
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this.canvasResize();
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this.addXYZ();
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}
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//渲染函数作用域(这里主要写渲染帧内操作)
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__renderScope() {
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this.renderer.render(this.scene, this.camera);
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// 轨道控制器更新
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if (this.orbitControls) {
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this.orbitControls.update();
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// console.log(this.camera.position);
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}
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// 摄像头移动动画
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if (this.cameraPositionTween) {
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this.cameraPositionTween.update();
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}
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//html标签渲染
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if (this.CSS2Renderer) {
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this.CSS2Renderer.render(this.scene, this.camera);
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}
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// 选中标签动画渲染
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if (this.checkAnimationTween) {
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this.checkAnimationTween.update();
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}
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// 视角重置动画
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if (this.resetViewAngleAnimation) {
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this.resetViewAngleAnimation.update();
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}
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//视角回退动画
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if (this.viewSateResetAnimation) {
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this.viewSateResetAnimation.update();
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}
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// 视角跟随动画
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if (this.intoPointAnimation) {
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this.intoPointAnimation.update();
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}
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}
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// 添加世界坐标系
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addXYZ() {
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// const axesHelper = new this.THREE.AxesHelper(100);
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// this.scene.add(axesHelper);
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}
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// 屏幕自适应
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canvasResize() {
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window.addEventListener("resize", () => {
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this.camera.aspect = window.innerWidth / window.innerHeight;
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this.camera.updateProjectionMatrix();
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this.renderer.setSize(window.innerWidth, window.innerHeight);
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this.CSS2Renderer.setSize(window.innerWidth, window.innerHeight);
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});
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}
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// 模型加载
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/**
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* @param {Object} GLTFLoader 模型加载器
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* @param {String} path 模型资源路径
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*/
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loadModel(GLTFLoader, path) {
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return new Promise((resolve, reject) => {
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this.gltfloader = new GLTFLoader();
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this.gltfloader.load(
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"/tunnelModel/chanel.gltf",
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(gltf) => {
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gltf.scene.traverse((child) => {
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this._forModels(child);
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});
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this.scene.add(gltf.scene);
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// 加载完后可执行函数
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this._afterLoaded(gltf.scene);
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resolve(gltf);
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},
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(xhr) => {
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console.log((xhr.loaded / xhr.total) * 100 + "% loaded");
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},
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(error) => {
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console.log(error);
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reject(error);
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}
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);
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});
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}
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// 模型加载完函数
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_afterLoaded() {
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// 可以进行选中
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this._hoverModel(this.points);
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// 可以进行点击
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this._ClickModel(this.points);
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}
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// 在此方法中对模型批量操作
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_forModels(child) {
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// 匹配附着点(这里不适合对单个模型进行保存，批量对模型进行操作)
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if (child.isMesh && /^point+/.test(child.name)) {
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this.points.push(child);
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// 改变为基础材质
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child.material = new this.THREE.MeshBasicMaterial();
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// 遍历一个属性是否存在设备
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child.hasDevice = false; //初始化
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}
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}
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// 添加轨道控制器
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/**
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* @param {Object} OrbitControls 轨道控制器
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*/
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addOrbitControls(OrbitControls) {
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this.orbitControls = new OrbitControls(
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this.camera,
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this.renderer.domElement
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);
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//限制轨道控制器的视角变化
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this.orbitControls.maxPolarAngle = Math.PI * (3 / 5);
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// 监听控制器变化
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this.orbitControls.addEventListener("end", handleEndChange.bind(this));
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this.orbitControls.addEventListener("start", handleStartChange.bind(this));
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}
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/**
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* @param {Class} Tween 添加补间动画
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*/
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addTween(Tween) {
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this.TWEEN = Tween;
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}
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/***
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* 鼠标移入可以高亮的模型
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*@param {Array} hoverModels 需要高亮的模型
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*/
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_hoverModel(hoverModels) {
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this.renderer.domElement.addEventListener("mousemove", (e) => {
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const mouse = new this.THREE.Vector2();
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mouse.x = (e.clientX / window.innerWidth) * 2 - 1;
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mouse.y = -(e.clientY / window.innerHeight) * 2 + 1;
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const raycaster = new this.THREE.Raycaster();
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raycaster.setFromCamera(mouse, this.camera);
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const intersects = raycaster.intersectObjects(hoverModels);
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if (intersects.length > 0) {
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if (!this.preHover) {
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this.preHover = intersects[0].object;
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} else {
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this.preHover.material.color.set("white");
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this.preHover = intersects[0].object;
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}
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intersects[0].object.material.color.set("red");
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const tagP = intersects[0].object.getWorldPosition(
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new this.THREE.Vector3()
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);
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this._checkAnimation(tagP);
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} else {
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if (!this.preHover) return;
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this.preHover.material.color.set("white");
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}
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});
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}
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/**
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* @param {Array} isClickModels 可以进行点击的模型吧
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*/
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_ClickModel(isClickModels) {
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// 点击两次处理事件
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this.renderer.domElement.addEventListener(
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"dblclick",
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this.__handleListenerDBLClickEvent.bind(this, isClickModels) //注意这里重新指向this，第一个是修改this指向，第二个是传入函数的参数
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);
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// 点击一次时处理时间
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this.renderer.domElement.addEventListener(
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"mousedown",
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this.__handleListenerClickRLEvent.bind(this, isClickModels) //注意这里重新指向this，第一个是修改this指向，第二个是传入函数的参数
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);
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}
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// 处理点击2次触发事件事件
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__handleListenerDBLClickEvent(isClickModels, e) {
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// 如果监听到双击则清空单次点击事件
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clearTimeout(this.EventTimer);
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//最后一个是监听器默认参数
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const mouse = new this.THREE.Vector2();
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mouse.x = (e.clientX / window.innerWidth) * 2 - 1;
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mouse.y = -(e.clientY / window.innerHeight) * 2 + 1;
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const raycaster = new this.THREE.Raycaster();
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raycaster.setFromCamera(mouse, this.camera);
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const intersects = raycaster.intersectObjects(isClickModels);
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// 取消定位的视角返回初始化
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if (intersects.length === 0) {
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this.clearTagsObj();
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this._resetState();
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return;
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}
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// 处理连续双击击事件
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this._handleDBLClick(intersects[0].object);
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}
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// 处理点击左右键触发的事件
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__handleListenerClickRLEvent(isClickModels, e) {
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clearTimeout(this.EventTimer);
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this.EventTimer = setTimeout(() => {
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const mouse = new this.THREE.Vector2();
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mouse.x = (e.clientX / window.innerWidth) * 2 - 1;
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mouse.y = -(e.clientY / window.innerHeight) * 2 + 1;
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const raycaster = new this.THREE.Raycaster();
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raycaster.setFromCamera(mouse, this.camera);
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const intersects = raycaster.intersectObjects(isClickModels);
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if (intersects.length === 0) return;
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//附着点设置方框
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this.setBoxHelper(intersects[0].object);
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// 处理点击左右键事件
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if (e.button === 0) {
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this._handleLClick(intersects[0].object);
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} else if (e.button === 2) {
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this._handleRClick(intersects[0].object);
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}
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}, 400);
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}
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// 添加css3Renderer
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addCSS3Renderer(CSS2Renderer, CSS2DObject, [infoDom, editDom]) {
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this.CSS2Renderer = new CSS2Renderer();
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this.CSS2Renderer.setSize(window.innerWidth, window.innerHeight);
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this.CSS2Renderer.render(this.scene, this.camera);
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this.mountedElement.appendChild(this.CSS2Renderer.domElement);
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// 初始化html标签
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this.tagHtml = infoDom;
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this.tag2Html = infoDom;
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this.tag3Html = editDom;
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this.CSS2DObject = CSS2DObject;
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// 创建html标签模型
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this.tagCSS2DObj = new CSS2DObject(this.tagHtml);
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this.tag2CSS2DObj = new CSS2DObject(this.tag2Html);
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this.tag3CSS2DObj = new CSS2DObject(this.tag3Html);
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// 设置该标签初始化透明
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this.tagCSS2DObj.element.style.opacity = "1";
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this.tag2CSS2DObj.element.style.opacity = "1";
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this.tag3CSS2DObj.element.style.opacity = "1";
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this.tagCSS2DObj.element.style.display = "none";
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this.tag2CSS2DObj.element.style.display = "none";
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this.tag3CSS2DObj.element.style.display = "none";
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this.tagCSS2DObj.scale.set(0.1, 0.1, 0.1);
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this.tag2CSS2DObj.scale.set(0.1, 0.1, 0.1);
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this.tag3CSS2DObj.scale.set(0.1, 0.1, 0.1);
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this.tagCSS2DObj.scale.set(3, 3, 3);
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}
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clearTagsObj() {
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if (this.preDBLModel) {
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this.preDBLModel.remove(this.tagCSS2DObj);
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}
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// 所有标签看不见
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this.scene.remove(this.tag2CSS2DObj);
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this.scene.remove(this.tag3CSS2DObj);
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// 删除标记动画
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this.scene.remove(this.group);
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}
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// 附着点选中线宽包围
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setBoxHelper(obj) {
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// 判断场景是否纯在该3d对象
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if (this.scene.getObjectByName("boxHelper")) {
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const preModel = this.scene.getObjectByName("boxHelper");
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this.scene.remove(preModel);
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}
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const boxHelper = new this.THREE.BoxHelper(obj, 0xffff00);
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boxHelper.name = "boxHelper";
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this.scene.add(boxHelper);
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}
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/**
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*@param {Class} DRACOLoader 解压器
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* @param {String} dracoPath 解压器路径
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*/
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addDARCOLoder(DRACOLoader, dracoPath) {
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this.DRAC = new DRACOLoader();
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this.DRAC.setDecoderPath(dracoPath);
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//给模型加载器添解压器
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this.gltfloader.setDRACOLoader(this.DRAC);
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}
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/**
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* @param {Meshes} meshes gltf加载过后的模型数组
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*/
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initDevicesModel(meshes) {
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this.deviceList = [];
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meshes.forEach((mesh) => {
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this.deviceList.push(mesh);
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});
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console.log(this.deviceList);
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}
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/**
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* @param {String} devId 删除的设备ID
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*/
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removeDevice(devId) {
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removeDev.bind(this, devId);
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}
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/**
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*
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* @param {Number} distance 设置锚点之间的间隔距离
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*/
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setDistance(distance = 10) {
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this.distance = distance;
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}
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loadBackground(backColorSet) {
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this.scene.background = new this.THREE.TextureLoader().load("/images/background/background.png", function (texture) {
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texture.encoding = backColorSet;
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});
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}
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}
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