Function fileExists

src/webgl/loading.js:11–18

(url)

import { request } from '../io/files';

async function fileExists(url) {
  try {
    const response = await fetch(url, { method: 'HEAD' });
    return response.ok;
  } catch (error) {
    return false;
  }
}

function loading(p5, fn){
  /**