sketchfab viewer api sample: node list as associated array

allows accessing nodes by names

by sanjshah

HTML

<script src="https://static.sketchfab.com/api/sketchfab-viewer-1.5.0.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.7.3/dat.gui.min.js"></script>
<!-- Learn about this code on sketchfab: https://sketchfab.com/developers/viewer -->


<div class="container">
    <div class="iframe-container">
        <iframe src="" id="api-frame"></iframe>
     </div>
     <div class="controls" id="controls">
       <pre id="Info"></pre>
     </div>
</div>

CSS

html, body {
    padding: 0;
    margin: 0;
    width: 100vw;
    height: 100vh;

    -webkit-font-smoothing: antialiased;
    -moz-font-smoothing: grayscale;
    font-family: Open Sans, sans-serif;
}

* {
    box-sizing: border-box;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.iframe-container {
    position: relative;
    width: 100%;
    flex: 1;
    display: flex;
}

.iframe-container > iframe {
    border: 0;
    width: 100%;
    flex: 1;
}

.controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    flex-shrink: 0;

    min-height: 50px;
    padding: 15px 0 0 15px;

    background-color: #F2F2F2;
    border-top: 1px solid #e7e7e7;
}

.controls > * {
    margin-right: 15px;
    margin-bottom: 15px;
}

button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    position: relative;
    border: 2px solid transparent;
    border-radius: 4px;
    padding: 0 13px;
    font-family: "Titillium Web", sans-serif;
    font-weight: 600;
    text-align: center;
    text-shadow: none;
    text-transform: uppercase;
    line-height: 1.2;
    cursor: pointer;
    outline: none;
    transition: background .2s;
    color: white;
    background-color: #1caad9;
    height: 25px;
    font-size: 12px;
}

JavaScript

// Sketchfab Viewer API: Hover/click interactions
var version = '1.5.0';
var uid = 'dd958716be0b4786b8700125eec618e5';
var iframe = document.getElementById('api-frame');
var client = new window.Sketchfab(version, iframe);

var error = function() {
    console.error('Sketchfab API error');
};

var myNodesByNameFromGraph = {};
var myNodesByNameFromMap = {};
var idxNodes = 0;

var computeAssociativeArray = function(node){
		if (!node)  return;
    var name = node.name;
    if (!name) name = "noname_" + idxNodes++;       
                debugger;         		
    myNodesByNameFromGraph[name] = node;
    if (!node.children || !node.children.length) return;
  	for (var i = 0; i < node.children.length; i++){
  		computeAssociativeArray(node.children[i]);    
  	}
}


var success = function(api) {    
   
    api.start(function() {
        api.addEventListener('viewerready', function() {
        
            api.getSceneGraph(function(err, result) {
                if (err) {
                    console.log('Error getting nodes');
                    return;
                }

                //console.log(result);
                computeAssociativeArray(result);
                console.log("nodes indexed by names from scene node graph");
                console.log(myNodesByNameFromGraph);
                
            });
            
            api.getNodeMap(function(err, nodes) {
                if (err) {
                    console.log('Error getting nodes');
                    return;
                }
                debugger;
                for (var instanceID in nodes){
                    var node= nodes[instanceID];
                    var name = node.name;
                    if (!name) name = "noname_" + idxNodes++;                		
                    myNodesByNameFromMap[name] = node;
                }
                //console.log(nodes);
                console.log("nodes indexed by names from flattened array");
               ...