這一章說一下場景編輯器的主頁editor\index.html,包含了各個組件的初始化，以及設置組件之間的關聯。
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<head>
<title>three.js / editor</title>
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<!-- Origin Trial Token, feature = WebXR Device API (For Chrome M69+), origin = https://threejs.org, expires = 2019-03-06 -->
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<body ontouchstart="">
<link href="css/main.css" rel="stylesheet" />
<link id="theme" href="css/light.css" rel="stylesheet" />
<script src="../build/three.js"></script>
<script src="../examples/js/libs/system.min.js"></script>
<script src="../examples/js/controls/EditorControls.js"></script>
<script src="../examples/js/controls/TransformControls.js"></script> <!-- 轉換函數 -->
<script src="../examples/js/libs/jszip.min.js"></script> <!-- 壓縮函數 -->
<script src="../examples/js/libs/inflate.min.js"></script> <!-- FBX -->
<script src="../examples/js/loaders/AMFLoader.js"></script>
<script src="../examples/js/loaders/AWDLoader.js"></script>
<script src="../examples/js/loaders/BabylonLoader.js"></script> <!-- ？？ -->
<script src="../examples/js/loaders/ColladaLoader.js"></script>
<script src="../examples/js/loaders/DRACOLoader.js"></script>
<script src="../examples/js/loaders/FBXLoader.js"></script>
<script src="../examples/js/loaders/GLTFLoader.js"></script>
<script src="../examples/js/loaders/deprecated/LegacyGLTFLoader.js"></script>
<script src="../examples/js/loaders/KMZLoader.js"></script>
<script src="../examples/js/loaders/MD2Loader.js"></script>
<script src="../examples/js/loaders/OBJLoader.js"></script>
<script src="../examples/js/loaders/MTLLoader.js"></script>
<script src="../examples/js/loaders/PlayCanvasLoader.js"></script>
<script src="../examples/js/loaders/PLYLoader.js"></script>
<script src="../examples/js/loaders/STLLoader.js"></script>
<script src="../examples/js/loaders/SVGLoader.js"></script>
<script src="../examples/js/loaders/TGALoader.js"></script>
<script src="../examples/js/loaders/TDSLoader.js"></script>
<script src="../examples/js/loaders/VRMLLoader.js"></script>
<script src="../examples/js/loaders/VTKLoader.js"></script>
<script src="../examples/js/loaders/ctm/lzma.js"></script>
<script src="../examples/js/loaders/ctm/ctm.js"></script>
<script src="../examples/js/loaders/ctm/CTMLoader.js"></script>
<script src="../examples/js/exporters/ColladaExporter.js"></script>
<script src="../examples/js/exporters/GLTFExporter.js"></script>
<script src="../examples/js/exporters/OBJExporter.js"></script>
<script src="../examples/js/exporters/STLExporter.js"></script>
<script src="../examples/js/renderers/Projector.js"></script>
<script src="../examples/js/renderers/RaytracingRenderer.js"></script>
<script src="../examples/js/renderers/SoftwareRenderer.js"></script>
<script src="../examples/js/renderers/SVGRenderer.js"></script>
<link rel="stylesheet" href="js/libs/codemirror/codemirror.css">
<link rel="stylesheet" href="js/libs/codemirror/theme/monokai.css">
<script src="js/libs/codemirror/codemirror.js"></script>
<script src="js/libs/codemirror/mode/javascript.js"></script>
<script src="js/libs/codemirror/mode/glsl.js"></script>
<script src="js/libs/esprima.js"></script>
<script src="js/libs/jsonlint.js"></script>
<script src="js/libs/glslprep.min.js"></script>
<link rel="stylesheet" href="js/libs/codemirror/addon/dialog.css">
<link rel="stylesheet" href="js/libs/codemirror/addon/show-hint.css">
<link rel="stylesheet" href="js/libs/codemirror/addon/tern.css">
<script src="js/libs/codemirror/addon/dialog.js"></script>
<script src="js/libs/codemirror/addon/show-hint.js"></script>
<script src="js/libs/codemirror/addon/tern.js"></script>
<script src="js/libs/acorn/acorn.js"></script>
<script src="js/libs/acorn/acorn_loose.js"></script>
<script src="js/libs/acorn/walk.js"></script>
<script src="js/libs/ternjs/polyfill.js"></script>
<script src="js/libs/ternjs/signal.js"></script>
<script src="js/libs/ternjs/tern.js"></script>
<script src="js/libs/ternjs/def.js"></script>
<script src="js/libs/ternjs/comment.js"></script>
<script src="js/libs/ternjs/infer.js"></script>
<script src="js/libs/ternjs/doc_comment.js"></script>
<script src="js/libs/tern-threejs/threejs.js"></script>
<script src="js/libs/signals.min.js"></script>
<script src="js/libs/ui.js"></script>
<script src="js/libs/ui.three.js"></script>
<script src="js/libs/app.js"></script>
<script src="js/Player.js"></script>
<script src="js/Script.js"></script>
<script src="../examples/js/vr/WebVR.js"></script>
<script src="js/Storage.js"></script>
<script src="js/Editor.js"></script>
<script src="js/Config.js"></script>
<script src="js/History.js"></script>
<script src="js/Loader.js"></script>
<script src="js/Menubar.js"></script>
<script src="js/Menubar.File.js"></script>
<script src="js/Menubar.Edit.js"></script>
<script src="js/Menubar.Add.js"></script>
<script src="js/Menubar.Play.js"></script>
<!-- <script src="js/Menubar.View.js"></script> -->
<script src="js/Menubar.Examples.js"></script>
<script src="js/Menubar.Help.js"></script>
<script src="js/Menubar.Status.js"></script>
<script src="js/Sidebar.js"></script>
<script src="js/Sidebar.Scene.js"></script>
<script src="js/Sidebar.Project.js"></script>
<script src="js/Sidebar.Settings.js"></script>
<script src="js/Sidebar.Settings.Shortcuts.js"></script>
<script src="js/Sidebar.Settings.Viewport.js"></script>
<script src="js/Sidebar.Properties.js"></script>
<script src="js/Sidebar.Object.js"></script>
<script src="js/Sidebar.Geometry.js"></script>
<script src="js/Sidebar.Geometry.Geometry.js"></script>
<script src="js/Sidebar.Geometry.BufferGeometry.js"></script>
<script src="js/Sidebar.Geometry.Modifiers.js"></script>
<script src="js/Sidebar.Geometry.BoxGeometry.js"></script>
<script src="js/Sidebar.Geometry.CircleGeometry.js"></script>
<script src="js/Sidebar.Geometry.CylinderGeometry.js"></script>
<script src="js/Sidebar.Geometry.IcosahedronGeometry.js"></script>
<script src="js/Sidebar.Geometry.PlaneGeometry.js"></script>
<script src="js/Sidebar.Geometry.SphereGeometry.js"></script>
<script src="js/Sidebar.Geometry.TorusGeometry.js"></script>
<script src="js/Sidebar.Geometry.TorusKnotGeometry.js"></script>
<script src="js/Sidebar.Geometry.TubeGeometry.js"></script>
<script src="../examples/js/geometries/TeapotBufferGeometry.js"></script>
<script src="js/Sidebar.Geometry.TeapotBufferGeometry.js"></script>
<script src="js/Sidebar.Geometry.LatheGeometry.js"></script>
<script src="js/Sidebar.Material.js"></script>
<script src="js/Sidebar.Animation.js"></script>
<script src="js/Sidebar.Script.js"></script>
<script src="js/Sidebar.History.js"></script>
<script src="js/Strings.js"></script>
<script src="js/Toolbar.js"></script>
<script src="js/Viewport.js"></script>
<script src="js/Viewport.Info.js"></script>
<script src="js/Command.js"></script>
<script src="js/commands/AddObjectCommand.js"></script>
<script src="js/commands/RemoveObjectCommand.js"></script>
<script src="js/commands/MoveObjectCommand.js"></script>
<script src="js/commands/SetPositionCommand.js"></script>
<script src="js/commands/SetRotationCommand.js"></script>
<script src="js/commands/SetScaleCommand.js"></script>
<script src="js/commands/SetValueCommand.js"></script>
<script src="js/commands/SetUuidCommand.js"></script>
<script src="js/commands/SetColorCommand.js"></script>
<script src="js/commands/SetGeometryCommand.js"></script>
<script src="js/commands/SetGeometryValueCommand.js"></script>
<script src="js/commands/MultiCmdsCommand.js"></script>
<script src="js/commands/AddScriptCommand.js"></script>
<script src="js/commands/RemoveScriptCommand.js"></script>
<script src="js/commands/SetScriptValueCommand.js"></script>
<script src="js/commands/SetMaterialCommand.js"></script>
<script src="js/commands/SetMaterialValueCommand.js"></script>
<script src="js/commands/SetMaterialColorCommand.js"></script>
<script src="js/commands/SetMaterialMapCommand.js"></script>
<script src="js/commands/SetSceneCommand.js"></script>
<script src="js/libs/html2canvas.js"></script>
<script src="js/libs/three.html.js"></script>
<script>
//檢查瀏覽器的類型
window.URL = window.URL || window.webkitURL;
window.BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder;
Number.prototype.format = function (){
return this.toString().replace(/(\d)(?=(\d{3})+(?!\d))/g, "$1,");
};
//
//編輯器的上下文
var editor = new Editor();
//窗口
var viewport = new Viewport( editor );
document.body.appendChild( viewport.dom );
//工具條（平移、旋轉、縮放、本地世界空間）
var toolbar = new Toolbar( editor );
document.body.appendChild( toolbar.dom );
//腳本窗口
var script = new Script( editor );
document.body.appendChild( script.dom );
//播放菜單項
var player = new Player( editor );
document.body.appendChild( player.dom );
//菜單條
var menubar = new Menubar( editor );
document.body.appendChild( menubar.dom );
//側邊欄（工程、場景、設置等）
var sidebar = new Sidebar( editor );
document.body.appendChild( sidebar.dom );
//??
var modal = new UI.Modal();
document.body.appendChild( modal.dom );
//
//主題
editor.setTheme( editor.config.getKey( 'theme' ) );
//序列化、反序列化
editor.storage.init( function () {
//存儲中設置獲取函數
editor.storage.get( function ( state ) {
//如果是來自文件就返回
if ( isLoadingFromHash ) return;
//
if ( state !== undefined ) {
//
editor.fromJSON( state );
}
//是否保存選擇狀態
var selected = editor.config.getKey( 'selected' );
//保存選擇狀態
if ( selected !== undefined ) {
//設置選擇對象的uuid
editor.selectByUuid( selected );
}
} );
//
var timeout;
//保存
function saveState( scene ) {
//如果是不是自動保存，就返回
if ( editor.config.getKey( 'autosave' ) === false ) {
return;
}
//清除超時
clearTimeout( timeout );
//重新設定超時
timeout = setTimeout( function () {
//派發消息後，等上100s進行保存
editor.signals.savingStarted.dispatch();
timeout = setTimeout( function () {
//保存處理
editor.storage.set( editor.toJSON() );
//保存完成，後派發消息
editor.signals.savingFinished.dispatch();
}, 100 ); //
}, 1000 );
};
//編輯器的信號
var signals = editor.signals;
//幾何信息改變處理方法
signals.geometryChanged.add( saveState );
//對象添加處理方法
signals.objectAdded.add( saveState );
//對象改變處理方法
signals.objectChanged.add( saveState );
//對象移除處理方法
signals.objectRemoved.add( saveState );
//材質改變處理方法
signals.materialChanged.add( saveState );
//場景背景改變的處理方法
signals.sceneBackgroundChanged.add( saveState );
//場景霧改變的處理方法
signals.sceneFogChanged.add( saveState );
//場景圖改變的處理方法
signals.sceneGraphChanged.add( saveState );
//腳本改變的處理方法
signals.scriptChanged.add( saveState );
//歷史改變的處理方法
signals.historyChanged.add( saveState );
//顯示模型的處理方法？？
signals.showModal.add( function ( content ) {
modal.show( content );
} );
} );
//
//按住拖拽
document.addEventListener( 'dragover', function ( event ) {
event.preventDefault();
event.dataTransfer.dropEffect = 'copy';
}, false );
//拖拽擡起
document.addEventListener( 'drop', function ( event ) {
event.preventDefault();
editor.loader.loadFiles( event.dataTransfer.files );
}, false );
//窗口大小變化
function onWindowResize( event ) {
editor.signals.windowResize.dispatch();
}
//註冊窗口放大消息
window.addEventListener( 'resize', onWindowResize, false );
//首先調用一次重置大小
onWindowResize();
//來自文件
var isLoadingFromHash = false;
var hash = window.location.hash;
//如果是從文件加載
if ( hash.substr( 1, 5 ) === 'file=' ) {
//獲取文件的目錄
var file = hash.substr( 6 );
//提示，沒有保存的文件將會丟失
if ( confirm( 'Any unsaved data will be lost. Are you sure?' ) ) {
//文件加載器
var loader = new THREE.FileLoader();
//不跨域
loader.crossOrigin = '';
//加載文件
loader.load( file, function ( text ) {
//清除編輯器中的所有的東西？
editor.clear();
//展示場景文件
editor.fromJSON( JSON.parse( text ) );
} );
//從已有的文件加載
isLoadingFromHash = true;
}
}
/*
window.addEventListener( 'message', function ( event ) {
editor.clear();
editor.fromJSON( event.data );
}, false );
*/
</script>
</body>
</html>