setSize(width = 1, height = 1) {
    this.camera.native.aspect = width / height;
    this.camera.native.updateProjectionMatrix();

    if (this.rendering) this.rendering.setSize(width, height);
  }
@function setSize
@instance
@description This function sets the provided width & height to the renderer object.
@param {Number} [width=1] - The promise that should be added to a queue.
@param {Number} [height=1] - that is resolved when all promises completed.
@memberof module:modules/app.ResizeModule