Function AnimationLoop

docs/tests/v2/es6/js/sanddance.js:29055–29120

()

   * @param {HTMLCanvasElement} canvas - if provided, width and height will be passed to context
   */
  function AnimationLoop() {
    var props = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    (0, _classCallCheck2.default)(this, AnimationLoop);
    var _props$onCreateContex = props.onCreateContext,
        onCreateContext = _props$onCreateContex === void 0 ? function (opts) {
      return (0, _webglContext.createGLContext)(opts);
    } : _props$onCreateContex,
        _props$onAddHTML = props.onAddHTML,
        onAddHTML = _props$onAddHTML === void 0 ? null : _props$onAddHTML,
        _props$onInitialize = props.onInitialize,
        onInitialize = _props$onInitialize === void 0 ? function () {} : _props$onInitialize,
        _props$onRender = props.onRender,
        onRender = _props$onRender === void 0 ? function () {} : _props$onRender,
        _props$onFinalize = props.onFinalize,
        onFinalize = _props$onFinalize === void 0 ? function () {} : _props$onFinalize,
        _props$gl = props.gl,
        gl = _props$gl === void 0 ? null : _props$gl,
        _props$glOptions = props.glOptions,
        glOptions = _props$glOptions === void 0 ? {} : _props$glOptions,
        _props$debug = props.debug,
        debug = _props$debug === void 0 ? false : _props$debug,
        _props$createFramebuf = props.createFramebuffer,
        createFramebuffer = _props$createFramebuf === void 0 ? false : _props$createFramebuf,
        _props$autoResizeView = props.autoResizeViewport,
        autoResizeViewport = _props$autoResizeView === void 0 ? true : _props$autoResizeView,
        _props$autoResizeDraw = props.autoResizeDrawingBuffer,
        autoResizeDrawingBuffer = _props$autoResizeDraw === void 0 ? true : _props$autoResizeDraw;
    var _props$useDevicePixel = props.useDevicePixels,
        useDevicePixels = _props$useDevicePixel === void 0 ? true : _props$useDevicePixel;

    if ('useDevicePixelRatio' in props) {
      _utils.log.deprecated('useDevicePixelRatio', 'useDevicePixels')();

      useDevicePixels = props.useDevicePixelRatio;
    }

    this.props = {
      onCreateContext: onCreateContext,
      onAddHTML: onAddHTML,
      onInitialize: onInitialize,
      onRender: onRender,
      onFinalize: onFinalize,
      gl: gl,
      glOptions: glOptions,
      debug: debug,
      createFramebuffer: createFramebuffer
    }; // state

    this.gl = gl;
    this.needsRedraw = null;
    this._initialized = false;
    this._running = false;
    this._animationFrameId = null;
    this._startPromise = null;
    this.setProps({
      autoResizeViewport: autoResizeViewport,
      autoResizeDrawingBuffer: autoResizeDrawingBuffer,
      useDevicePixels: useDevicePixels