Function Scenegraph

docs/app/js/sanddance-app.js:123158–123170

(scene)

    return scene;
}
function Scenegraph(scene) {
    if (arguments.length) this.root = sceneFromJSON(scene);
    else {
        this.root = createMark({
            marktype: "group",
            name: "root",
            role: "frame"
        });
        this.root.items = [
            new GroupItem(this.root)
        ];
    }
}
Scenegraph.prototype = {
    toJSON (indent) {
        return sceneToJSON(this.root, indent || 0);