Babylon.js/Playground/index.js

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        var scripts;
        var zipCode;
        BABYLON.Engine.ShadersRepository = "/src/Shaders/";

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                            var li = document.createElement("li");
                            var a = document.createElement("a");

                            li.class = "scriptsListEntry";
                            a.href = "#";
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            jsEditor.setValue('// You have to create a function called createScene. This function must return a BABYLON.Scene object\r\n// You can reference the following variables: scene, canvas\r\n// You must at least define a camera\r\n// More info here: https://doc.babylonjs.com/generals/The_Playground_Tutorial\r\n\r\nvar createScene = function() {\r\n\tvar scene = new BABYLON.Scene(engine);\r\n\tvar camera = new BABYLON.ArcRotateCamera("Camera", 0, Math.PI / 2, 12, BABYLON.Vector3.Zero(), scene);\r\n\tcamera.attachControl(canvas, true);\r\n\r\n\r\n\r\n\treturn scene;\r\n};');
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        compileAndRun = function () {
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                if (!BABYLON.Engine.isSupported()) {
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                var canvas = document.getElementById("renderCanvas");
                engine = new BABYLON.Engine(canvas, true, {preserveDrawingBuffer: true, stencil: true});
                document.getElementById("errorZone").innerHTML = "";
                document.getElementById("statusBar").innerHTML = "Loading assets...Please wait";

                engine.runRenderLoop(function () {
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                    if (canvas.width !== canvas.clientWidth) {
                        engine.resize();
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                    var scene = engine.scenes[0];

                    if (scene.activeCamera || scene.activeCameras.length > 0) {
                        scene.render();
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                        showError("createScene function must return a scene.", null);
                        return;
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                    zipCode = code + "\r\n\r\nvar scene = createScene();";
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                        showError("CreateScene function must return a scene.", null);
                        return;
                    }

                    zipCode = code + "\r\n\r\nvar scene = CreateScene();";
                } else if (code.indexOf("createscene") !== -1) { // createscene
                    eval(code);
                    scene = createscene();
                    if (!scene) {
                        showError("createscene function must return a scene.", null);
                        return;
                    }

                    zipCode = code + "\r\n\r\nvar scene = createscene();";
                } else { // Direct code
                    scene = new BABYLON.Scene(engine);
                    eval("runScript = function(scene, canvas) {" + code + "}");
                    runScript(scene, canvas);

                    zipCode = "var scene = new BABYLON.Scene(engine);\r\n\r\n" + code;
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                    showError("You must at least create a scene.", null);
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                    showError("You must at least create a camera.", null);
                    return;
                }

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                    document.getElementById("statusBar").innerHTML = "";
                });

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                if (engine) {
                    engine.resize();
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        // Load scripts list
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            if (textures[index].isCube) {
                if (textures[index]._extensions) {
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                        textures.push({ name: textures[index].name + textures[index]._extensions[i] });
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                else {
                    textures.push({ name: textures[index].name });
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                addTexturesToZip(zip, index + 1, textures, folder, then);
                return;
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            if (folder == null) {
                folder = zip.folder("textures");
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            var url;

            if (textures[index].video) {
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            } else {
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            }

            var name = url.substr(url.lastIndexOf("/") + 1);


            addContentToZip(folder,
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                true,
                function () {
                    addTexturesToZip(zip, index + 1, textures, folder, then);
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                function () {
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            var zip = new JSZip();

            var scene = engine.scenes[0];

            var textures = scene.textures;

            var importedFiles = scene.importedMeshesFiles;

            document.getElementById("statusBar").innerHTML = "Creating archive...Please wait";

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                        textures,
                        null,
                        function () {
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                                0,
                                importedFiles,
                                null,
                                function () {
                                    var blob = zip.generate({ type: "blob" });
                                    saveAs(blob, "sample.zip");
                                    document.getElementById("statusBar").innerHTML = "";
                                });
                        });
                });
        }

        // Versions
        setVersion = function (version) {
            switch (version) {
                case "2.5":
                    location.href = "index2_5.html" + location.hash;
                    break;
                default:
                    location.href = "index.html" + location.hash;
                    break;
            }
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        // Fonts
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            document.querySelector(".monaco-editor").style.fontSize = size + "px";
            document.getElementById("currentFontSize").innerHTML = "Font: " + size;
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        // Fullscreen
        var goFullscreen = function () {
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                engine.switchFullscreen(true);
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            var scene = engine.scenes[0];

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                document.getElementById("canvasZone").style.flexBasis = "100%";
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                editorButton.innerHTML = "-Editor";
                document.getElementById("jsEditor").style.display = "block";
                document.getElementById("canvasZone").style.flexBasis = undefined;
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            engine.resize();

            if (scene.debugLayer.isVisible()) {
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                scene.debugLayer.show();
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        var toggleDebug = function () {
            var debugButton = document.getElementById("debugButton");
            var scene = engine.scenes[0];

            if (debugButton.innerHTML === "+Debug layer") {
                debugButton.innerHTML = "-Debug layer";
                scene.debugLayer.show();
            } else {
                debugButton.innerHTML = "+Debug layer";
                scene.debugLayer.hide();
            }
        }

        // UI
        document.getElementById("runButton").addEventListener("click", compileAndRun);
        document.getElementById("zipButton").addEventListener("click", getZip);
        document.getElementById("fullscreenButton").addEventListener("click", goFullscreen);
        document.getElementById("newButton").addEventListener("click", createNewScript);
        document.getElementById("clearButton").addEventListener("click", clear);
        document.getElementById("editorButton").addEventListener("click", toggleEditor);
        document.getElementById("debugButton").addEventListener("click", toggleDebug);

        //Navigation Overwrites
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                var message =
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                }
                return message;
            }
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                currentSnippetDescription = document.getElementById("saveFormDescription").value;
                currentSnippetTags = document.getElementById("saveFormTags").value;
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                        var baseUrl = location.href.replace(location.hash, "").replace(location.search, "");
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                        var newUrl = baseUrl + "#" + snippet.id;
                        currentSnippetToken = snippet.id;
                        if (snippet.version && snippet.version !== "0") {
                            newUrl += "#" + snippet.version;
                        }
                        location.href = newUrl;
                        // Hide the complete title & co message
                        document.getElementById("saveMessage").style.display = "none";
                        compileAndRun();
                    } else {
                        showError("Unable to save your code. It may be too long.", null);
                    }
                }
            }

            xmlHttp.open("POST", snippetUrl + (currentSnippetToken ? "/" + currentSnippetToken : ""), true);
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                name: currentSnippetTitle,
                description: currentSnippetDescription,
                tags: currentSnippetTags
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        document.getElementById("saveButton").addEventListener("click", function() {
            if(currentSnippetTitle == null
                && currentSnippetDescription == null
                && currentSnippetTags == null) {

                document.getElementById("saveLayer").style.display = "block";
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            else {
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        document.getElementById("saveFormButtonOk").addEventListener("click", function () {
            document.getElementById("saveLayer").style.display = "none";
            save();
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        document.getElementById("saveFormButtonCancel").addEventListener("click", function () {
            document.getElementById("saveLayer").style.display = "none";
        });
        document.getElementById("saveMessage").addEventListener("click", function() {
            document.getElementById("saveMessage").style.display = "none";
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        document.getElementById("mainTitle").innerHTML = "Babylon.js v" + BABYLON.Engine.Version + " Playground";

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            if (splits.length > 2) {
                splits.splice(2, splits.length - 2);
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            location.hash = splits.join("#");
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        var checkHash = function (firstTime) {
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                    cleanHash();

                    previousHash = location.hash;

                    try {
                        var xmlHttp = new XMLHttpRequest();
                        xmlHttp.onreadystatechange = function () {
                            if (xmlHttp.readyState === 4) {
                                if (xmlHttp.status === 200) {
                                    var snippet = JSON.parse(xmlHttp.responseText)[0];

                                    blockEditorChange = true;
                                    jsEditor.setValue(JSON.parse(snippet.jsonPayload).code.toString());

                                    // Check if title / descr / tags are already set
                                    if((snippet.name != null && snippet.name != "")
                                        || (snippet.description != null && snippet.description != "")
                                        || (snippet.tags != null && snippet.tags != ""))
                                    {
                                        currentSnippetTitle = snippet.name;
                                        currentSnippetDescription = snippet.description;
                                        currentSnippetTags = snippet.tags;

                                        if(document.getElementById("saveLayer")) {
                                            var elem = document.getElementById("saveLayer");
                                            elem.outerHTML = "";
                                            delete elem;
                                        }
                                    }
                                    else {
                                        document.getElementById("saveMessage").style.display = "block";
                                    }

                                    jsEditor.setPosition({ lineNumber: 0, column: 0 });
                                    blockEditorChange = false;
                                    compileAndRun();

                                    document.getElementById("currentScript").innerHTML = "Custom";
                                } else if (firstTime) {
                                    location.href = location.href.replace(location.hash, "");
                                    if (scripts) {
                                        loadScriptFromIndex(0);
                                    }
                                }
                            }
                        }

                        var hash = location.hash.substr(1);
                        currentSnippetToken = hash.split("#")[0];

                        xmlHttp.open("GET", snippetUrl + "/" + hash.replace("#", "/"));
                        xmlHttp.send();
                    } catch (e) {

                    }
                }
            }
            setTimeout(checkHash, 200);
        }

        checkHash(true);
    }

    // Monaco

    var xhr = new XMLHttpRequest();

    xhr.open('GET', "babylon.d.txt", true);

    xhr.onreadystatechange = function () {
        if (xhr.readyState === 4) {
            if (xhr.status === 200) {
                require.config({ paths: { 'vs': 'node_modules/monaco-editor/min/vs' } });
                require(['vs/editor/editor.main'], function () {
                    monaco.languages.typescript.javascriptDefaults.addExtraLib(xhr.responseText, 'babylon.d.ts');

                    jsEditor = monaco.editor.create(document.getElementById('jsEditor'), {
                        value: "",
                        language: "javascript",
                        lineNumbers: true,
                        tabSize: "auto",
                        insertSpaces: "auto",
                        roundedSelection: true,
                        scrollBeyondLastLine: false,
                        automaticLayout: true,
                        readOnly: false,
                        theme: "vs",
                        contextmenu: false
                    });

                    run();
                });
           }
        }
    };
    xhr.send(null);
})();