[page:LoadingManager manager] — The [page:LoadingManager loadingManager] for the loader to use. Default is [page:LoadingManager THREE.DefaultLoadingManager].
[page:String url] — A string containing the path/URL of the <em>.prwm</em> file. Any <em>*</em> character in the URL will be automatically replaced by <em>le</em> or <em>be</em> depending on the platform endianness.<br/>
[page:Function onLoad] — (optional) A function to be called after the loading is successfully completed. The function receives the loaded [page:BufferGeometry] as an argument.<br/>
[page:Function onProgress] — (optional) A function to be called while the loading is in progress. The function receives a XMLHttpRequest instance, which contains [page:Integer total] and [page:Integer loaded] bytes.<br/>
[page:Function onError] — (optional) A function to be called if an error occurs during loading. The function receives error as an argument.<br/>
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Begin loading from url and call onLoad with the parsed response content.