JSFiddle - React, Tailwind, and code Playground

by Guillaume Lafarge

HTML

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

CSS

body {
	  margin: 0;
}

JavaScript

let camera, scene, renderer;

init();
animate();

function init() {

    camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.01, 10 );
    camera.position.set( 0, 5, 2 );

    scene = new THREE.Scene();

    const geometry = new THREE.BoxGeometry( 0.5, 0.5, 0.5 );
    const material = new THREE.MeshNormalMaterial();
    
    // generate some boxes in a column

    for ( let i = 0; i <= 10; i ++ ) {
    
    	const mesh = new THREE.Mesh( geometry, material );
      mesh.position.y = i;
    	scene.add( mesh );
    	
    }

    renderer = new THREE.WebGLRenderer( { antialias: true } );
    renderer.setPixelRatio( window.devicePixelRatio );
    renderer.setSize( window.innerWidth, window.innerHeight );
    document.body.appendChild( renderer.domElement );
    
    window.addEventListener( 'wheel', onMouseWheel, false );
   	window.addEventListener( 'resize', onWindowResize, false );

}

function animate() {

    requestAnimationFrame( animate );
    renderer.render( scene, camera );

}

function onMouseWheel( event ) {

	event.preventDefault();

	camera.position.y -= event.deltaY * 0.00005;
  
  // prevent scrolling beyond a min/max value
  
  camera.position.clampScalar( 0, 10 );

}

function onWindowResize() {

	camera.aspect = window.innerWidth / window.innerHeight;
	camera.updateProjectionMatrix();
	renderer.setSize( window.innerWidth, window.innerHeight );

}