 canvas } );
	const scene = new THREE.Scene();

	const aspect = 2; // the canvas default
	const fov = 35;
	const near = 0.1;
	const far = 5000;
	const camera = new THREE.PerspectiveCamera( fov, aspect, near, far );
	camera.position.set( - 580, 55, 390 );

	const maxFovX = 40;
	const numBirds = 40;
	const minMax = 700;
	const birdSpeed = 100;
	const useFog = true;
	const useOrbitCamera = true;
	const showHelpers = false;

	if ( useOrbitCamera ) {

		const controls = new OrbitControls( camera, canvas );
		con