playcanvas/build/playcanvas.dbg/src/framework/handlers/scene-utils.js

Open-source WebGL/WebGPU 3D engine for the web

import { http } from "../../platform/net/http.js";
class SceneUtils {
  /**
   * Loads the scene JSON file from a URL.
   *
   * @param {string} url - URL to scene JSON.
   * @param {number} maxRetries - Number of http load retry attempts.
   * @param {Function} callback - The callback to the JSON file is loaded.
   */
  static load(url, maxRetries, callback) {
    if (typeof url === "string") {
      url = {
        load: url,
        original: url
      };
    }
    http.get(url.load, {
      retry: maxRetries > 0,
      maxRetries
    }, (err, response) => {
      if (!err) {
        callback(err, response);
      } else {
        let errMsg = `Error while loading scene JSON ${url.original}`;
        if (err.message) {
          errMsg += `: ${err.message}`;
          if (err.stack) {
            errMsg += `
${err.stack}`;
          }
        } else {
          errMsg += `: ${err}`;
        }
        callback(errMsg);
      }
    });
  }
}
export {
  SceneUtils
};