r' );
	manager.onProgress = ( url, itemsLoaded, itemsTotal ) => {

		progressbarElem.style.width = `${itemsLoaded / itemsTotal * 100 | 0}%`;

	};

	const models = {
		pig: { url: 'resources/models/animals/Pig.gltf' },
		cow: { url: 'resources/models/animals/Cow.gltf' },
		llama: { url: 'resources/models/animals/Llama.gltf' },
		pug: { url: 'resources/models/animals/Pug.gltf' },
		sheep: { url: 'resources/models/animals/Sheep.gltf' },
		zebra: { url: 'resources/models/animals/Zebra.gltf' },
		horse: { url: '