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444 lines
16 KiB
444 lines
16 KiB
//全局变量
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var renderer, scene, camera;
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//整个页面维护的数据
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//var data = { name: '默认方案', components: [] };
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//TODO 相机参数
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var data;
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//当前选择的部件
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var componentIndex = -1;
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$().ready(function () {
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initData();
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initUi();
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initThree();
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loadModel();
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initEvent();
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});
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//获取数据 初始化data
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function initData() {
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//ajax请求数据
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$.ajax({
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type: "POST",
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url: "/getScheme",
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async: false, //同步请求，不然data会出问题
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success: function (remotaData) {
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//给全局data赋值
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data = remotaData;
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},
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error: function () {
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//TODO 初始化数据异常
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}
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});
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}
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//获取全局data后
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//刷新主Ui，方案名，部件列表
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function initUi() {
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//刷新方案名
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$('#schemeName').val(data.name);
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//刷新组件列表
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freshComponentItem();
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}
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//ui初始化结束后
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//初始化Threejs
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//主要是场景、相机、渲染器
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function initThree() {
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initScene();
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initCamera();
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initRenderer();
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render();
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}
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function freshComponentItem() {
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//清空原有列表
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$('.componentItem').remove();
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for (var index in data.components) {
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//添加一个item并注册了click监听
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$('#componentList').prepend("<li class='componentItem' onclick='selectComponent(" + index + ")'><a>" + data.components[index].name + "</a></li>");
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}
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}
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//选择部件
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function selectComponent(index) {
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componentIndex = index;
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$('#componentTitle').text(data.components[componentIndex].name);
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$('#delComponent').show();
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$('#textureManagerment').show();
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$('#upload').removeClass("disabled");
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//加载模型列表
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freshModelList();
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//刷新贴图列表
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freshTextureList();
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}
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//刷新模型的选择列表
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function freshModelList() {
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$('.list-group-item').remove();
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if (data.components[componentIndex].models.length == 0) {
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$('#modelList').append('<a class="list-group-item">暂无模型</a>')
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} else {
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// if (data.components[componentIndex].modelIndex == -1)
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// data.components[componentIndex].modelIndex = 0;
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for (var index in data.components[componentIndex].models) {
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if (index == data.components[componentIndex].modelIndex) {
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data.components[componentIndex].models[index].modelObj.visible = true;
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var textureIndex = data.components[componentIndex].textureIndex;
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changeTexture(textureIndex);
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$('#modelList').append("<a class='list-group-item active' onclick='selectModel(" + index + ")'><span>" + data.components[componentIndex].models[index].name + "</span><button type='button' class='close' onclick='delModelItem(" + index + ")'><span aria-hidden='true'>×</span><span class='sr-only'>Close</span></button></a>");
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} else {
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data.components[componentIndex].models[index].modelObj.visible = false;
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$('#modelList').append("<a class='list-group-item' onclick='selectModel(" + index + ")'><span>" + data.components[componentIndex].models[index].name + "</span><button type='button' class='close' onclick='delModelItem(" + index + ")'><span aria-hidden='true'>×</span><span class='sr-only'>Close</span></button></a>");
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}
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}
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}
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}
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//选择模型
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function selectModel(index) {
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data.components[componentIndex].modelIndex = index;
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freshmodelList();
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}
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//删除模型
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function delModelItem(index) {
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scene.remove(data.components[componentIndex].models[index].modelObj);
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data.components[componentIndex].models.splice(index, 1);
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selectModel(0);
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}
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//刷新贴图列表
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function freshTextureList() {
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$('#textureList').empty();
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for (var index in data.components[componentIndex].textures) {
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var fileName = data.components[componentIndex].textures[index].name;
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var fileId = data.components[componentIndex].textures[index].fileId;
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$('#textureList').append("<img src='/files/thumbnail/" + fileId + "' width='40px' height='40px' class='img-thumbnail' alt = '" + fileName + "' onclick='changeTexture(" + index + ")'> ");
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}
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}
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function changeTexture(index) {
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if (index < 0)
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return;
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var modelIndex = data.components[componentIndex].modelIndex;
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data.components[componentIndex].textureIndex = index;
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replaceTexture(data.components[componentIndex].models[modelIndex].modelObj, data.components[componentIndex].textures[index].textureObj);
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}
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//初始化模型
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function loadModel() {
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var manager = new THREE.LoadingManager();
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manager.onStart = function (url, itemsLoaded, itemsTotal) {
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console.log('Started loading file: ' + url + '.\nLoaded ' + itemsLoaded + ' of ' + itemsTotal + ' files.');
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};
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manager.onLoad = function () {
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initUi();
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console.log('Loading complete!');
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};
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manager.onProgress = function (url, itemsLoaded, itemsTotal) {
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console.log('Loading file: ' + url + '.\nLoaded ' + itemsLoaded + ' of ' + itemsTotal + ' files.');
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};
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manager.onError = function (url) {
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console.log('There was an error loading ' + url);
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};
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var loader = new THREE.FBXLoader(manager);
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for (var comIndex in data.components) {
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for (var molIndex in data.components[comIndex].models) {
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//异步加载问题
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(function (comIndex, molIndex) {
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var url = '/files/' + data.components[comIndex].models[molIndex].fileId;
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loader.load(url, function (object) {
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// object.traverse(function (child) {
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// if (child instanceof THREE.Mesh) {
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// child.material.castShadow = true;
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// child.material.receiveShadow = true;
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// child.material.needsUpdate = true;
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// }
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// });
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object.visible = (data.components[comIndex].modelIndex == molIndex);
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data.components[comIndex].models[molIndex].modelObj = object;
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scene.add(object);
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}
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);
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})(comIndex, molIndex);
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}
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}
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var loader = new THREE.TextureLoader(manager);
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for (var comIndex in data.components) {
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for (var textureIndex in data.components[comIndex].textures) {
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//异步加载问题
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(function (comIndex, textureIndex) {
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var url = '/files/' + data.components[comIndex].textures[textureIndex].fileId;
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loader.load(url, function (object) {
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// object.traverse(function (child) {
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// if (child instanceof THREE.Mesh) {
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// child.material.castShadow = true;
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// child.material.receiveShadow = true;
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// child.material.needsUpdate = true;
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// }
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// });
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data.components[comIndex].textures[molIndex].textureObj = object;
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}
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);
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})(comIndex, textureIndex);
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}
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var modelIndex = data.components[comIndex].modelIndex;
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var textureIndex = data.components[comIndex].textureIndex;
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replaceTexture(data.components[componentIndex].models[modelIndex].modelObj, data.components[componentIndex].textures[textureIndex].textureObj);
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}
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}
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function initScene() {
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//场景设置
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scene = new THREE.Scene();
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//设置天空盒
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scene.background = new THREE.CubeTextureLoader()
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.setPath('/img/skybox/')
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.load(['px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg']);
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//场景灯光
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//环境光
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var light = new THREE.HemisphereLight(0xffffff, 0x444444);
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light.position.set(0, 2, 0);
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scene.add(light);
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//直射光
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light = new THREE.DirectionalLight(0xffffff);
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light.position.set(0, 2, 1);
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light.castShadow = true;
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light.shadow.camera.top = 180;
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light.shadow.camera.bottom = - 100;
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light.shadow.camera.left = - 120;
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light.shadow.camera.right = 120;
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scene.add(light);
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//grid
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var grid = new THREE.GridHelper(20, 20, 0x0000ff, 0xff0000);
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grid.material.opacity = 0.2;
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grid.material.transparent = true;
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scene.add(grid);
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}
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function initCamera() {
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//相机设置
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camera = new THREE.PerspectiveCamera(45, $('#viewField').innerWidth() / $('#viewField').innerHeight());
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camera.position.set(0, 5, 10);
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//让相机对着场景中央
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camera.lookAt(scene.position);
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//相机控制,控制的相机和监听的dom
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controls = new THREE.OrbitControls(camera, $('#viewField')[0]);
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controls.target.set(0, 0, 0);
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controls.update();
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}
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function initRenderer() {
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//初始化渲染器
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renderer = new THREE.WebGLRenderer({ antialias: true });
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//设置像素值
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renderer.setPixelRatio(window.devicePixelRatio);
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//设置渲染范围为屏幕的大小
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renderer.setSize($('#viewField').innerWidth(), $('#viewField').innerHeight());
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//将渲染结果放到页面中
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$('#viewField').append(renderer.domElement);
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}
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function render() {
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requestAnimationFrame(render);
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renderer.render(scene, camera);
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}
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//初始化所有事件
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function initEvent() {
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$('#saveScheme').click(function () {
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console.info(data);
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$.ajax({
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type: "POST",
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url: "/saveScheme",
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contentType: "application/json; charset=utf-8",
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data: JSON.stringify(data)
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});
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});
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//方案名变动监听
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$('#schemeName').change(function () {
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data.name = $('#schemeName').val();
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});
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//将fileinput事件注册到uploadbtn上
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$("#upload").click(function () {
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$("#file").click();
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});
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$("#textureUpload").click(function () {
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$("#textureFile").click();
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});
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//只要file发生改变就上传文件
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$("#file").change(function () {
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if ($(this).val().length > 0) {
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var formData = new FormData($('#uploadForm')[0]);
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$.ajax({
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type: 'post',
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url: "/upload",
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data: formData,
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cache: false,
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processData: false,
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contentType: false,
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success: function (fileData) {
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//上传成功后加载模型
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//加载是异步的
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var addModelItem = function (modelObj) {
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data.components[componentIndex].models.push({
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name: fileData.originalname,
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fileId: fileData.filename,
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modelObj: modelObj
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});
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selectModel(data.components[componentIndex].models.length - 1);
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}
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addModel('/files/' + fileData.filename, addModelItem);
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},
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error: function () {
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alert("上传失败")
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}
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});
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}
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});
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//贴图文件上传
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$("#textureFile").change(function () {
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if ($(this).val().length > 0) {
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var formData = new FormData($('#uploadTextureForm')[0]);
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$.ajax({
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type: 'post',
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url: "/upload",
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data: formData,
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cache: false,
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processData: false,
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contentType: false,
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success: function (fileData) {
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//上传成功后加载模型
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//加载是异步的
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var addTextureItem = function (textureObj) {
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data.components[componentIndex].textures.push({
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name: fileData.originalname,
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fileId: fileData.filename,
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textureObj: textureObj
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});
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//selectModel(data.components[componentIndex].models.length - 1);
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freshTextureList();
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}
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addTexture('/files/' + fileData.filename, addTextureItem);
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},
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error: function () {
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alert("上传失败")
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}
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});
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}
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});
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//当浏览器大小变化时
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$(window).resize(function () {
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camera.aspect = $('#viewField').innerWidth() / $('#viewField').innerHeight();
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camera.updateProjectionMatrix();
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renderer.setSize($('#viewField').innerWidth(), $('#viewField').innerHeight());
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});
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//当模态框消失的时候清空text
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$('#addComponentModal').on('hidden.zui.modal', function () {
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$("#componentName").val("")
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});
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//添加一个部件
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$('#addComponent').click(function () {
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var componentName = $("#componentName").val().trim();
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if (componentName.length > 0) {
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var component = {
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name: componentName,
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models: [],
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modelIndex: -1,
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textures: [],
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textureIndex: -1
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}
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data.components.push(component);
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freshComponentItem();
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$('#addComponentModal').modal('hide');
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}
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});
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//删除部件
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$('#delComponent').click(function () {
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new $.zui.Messager('你确定要删除该部件吗，该部件的所有模型将会被清空！', {
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type: 'danger',
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close: false,
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actions: [{
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icon: 'ok-sign',
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text: '确定',
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action: function () { // 点击该操作按钮的回调函数
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if (componentIndex >= 0) {
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for (var index in data.components[componentIndex].models)
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scene.remove(data.components[componentIndex].models[index].modelObj);
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data.components.splice(componentIndex, 1);
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freshComponentItem();
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componentIndex = -1;
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$('#componentTitle').text('请先选择部件');
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$('#textureManagerment').hide();
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$('#delComponent').hide();
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$('#upload').addClass("disabled");
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$('.list-group-item').remove();
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//todo 还需要发送ajax清空模型文件
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}
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}
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}, {
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icon: 'times',
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text: '取消',
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}]
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}).show();
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});
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$('#textureManagerment').click(function () {
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$('#textureManagermentModal').modal('show');
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});
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}
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// 选择上传完成后加载模型
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function addModel(url, callBack) {
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//加载fbx模型
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var loader = new THREE.FBXLoader();
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loader.load(url, function (object) {
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object.traverse(function (child) {
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// if (child instanceof THREE.Mesh) {
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// child.material.map = map;
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// child.material.castShadow = true;
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// child.material.receiveShadow = true;
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// child.material.needsUpdate = true;
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// }
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});
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scene.add(object);
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callBack(object);
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}, function (xhr) {
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//console.log((xhr.loaded / xhr.total * 100) + '% loaded');
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}, function (err) {
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console.error('An error happened');
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}
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);
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}
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//加载贴图
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function addTexture(url, callBack) {
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var textureLoader = new THREE.TextureLoader();
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textureLoader.load(url, function (object) {
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callBack(object);
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});
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}
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function replaceTexture(modelObj, textureObj) {
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modelObj.traverse(function (child) {
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if (child instanceof THREE.Mesh) {
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child.material.map = textureObj;
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child.material.castShadow = true;
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child.material.receiveShadow = true;
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child.material.needsUpdate = true;
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}
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});
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} |