dirLight.color.setHSL( 0.1, 1, 0.95 );
	dirLight.position.set( - 300, 220, 245 );
	scene.add( dirLight );
	dirLight.castShadow = true;
	dirLight.shadow.mapSize.width = 2048;
	dirLight.shadow.mapSize.height = 2048;
	const d = 350;
	dirLight.shadow.camera.left = - d;
	dirLight.shadow.camera.right = d;
	dirLight.shadow.camera.top = d;
	dirLight.shadow.camera.bottom = - d;
	dirLight.shadow.camera.near = 100;
	dirLight.shadow.camera.far = 950;
	dirLight.shadow.bias = - 0.005;

	if ( showHelpers ) {

		const dirL