JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdn.rawgit.com/mrdoob/three.js/master/build/three.min.js"></script>
<script src="//cdn.rawgit.com/mrdoob/three.js/master/examples/js/controls/OrbitControls.js"></script>

JavaScript

/* DEFAULT INITS */
let scene;

(function init() {
	let camera = new THREE.PerspectiveCamera(70, window.innerWidth / window.innerHeight, 0.01, 1000);
	camera.position.z = 10;
	camera.position.x = 10;
	camera.position.y = 10;
	scene = new THREE.Scene();
	let renderer = new THREE.WebGLRenderer({ antialias: true });
	renderer.setSize(window.innerWidth, window.innerHeight);
	let controls = new THREE.OrbitControls(camera, renderer.domElement);
	document.body.appendChild(renderer.domElement);
	var axes = new THREE.AxesHelper(1);
	scene.add(axes);

function animate() {
	requestAnimationFrame(animate);
	renderer.render(scene, camera);
}
animate();
})();






/* ==== OWN CODE HERE ==== */

// Returns the center point of the 3D mesh object
function getCenterPointOfMesh(mesh) {
	var box = new THREE.Box3().setFromObject(mesh);
	var center = new THREE.Vector3();
	box.getCenter(center);
	return center;
}

let fromObject; // the 3D Mesh object, from which the rays are going to be casted, always the plane-kind

// Example of 3DMesh, some similar are in use, but as groups/inside the group loaded from json file
(function create_fromObject() {
	let fromObject_geometry = new THREE.Geometry();
	fromObject_geometry.vertices.push(new THREE.Vector3(0, 0, 0));
	fromObject_geometry.vertices.push(new THREE.Vector3(0, 1, 0));
	fromObject_geometry.vertices.push(new THREE.Vector3(0, 1, 1));
	fromObject_geometry.vertices.push(new THREE.Vector3(0, 1, 1));
	fromObject_geometry.vertices.push(new THREE.Vector3(0, 0, 1));
	fromObject_geometry.vertices.push(new THREE.Vector3(0, 0, 0));
	fromObject_geometry.faces.push(new THREE.Face3(0, 1, 2));
	fromObject_geometry.faces.push(new THREE.Face3(3, 4, 5));
	fromObject_geometry.computeFaceNormals();
	fromObject = new THREE.Mesh(fromObject_geometry, new THREE.MeshNormalMaterial({ side: THREE.DoubleSide }));
	scene.add(fromObject);
	fromObject.position.x = 2;
	fromObject.position.z = 2;
	fromObject.position.y = 2;
})();

let sphere;// Creates Visual...