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HTML

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HTML preprocessors can make writing HTML more powerful or convenient. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug.

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About the <head>

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Insecure Resource

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CSS

About CSS Preprocessors

CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

It's a common practice to apply CSS to a page that styles elements such that they are consistent across all browsers. We offer two of the most popular choices: normalize.css and a reset. Or, choose Neither and nothing will be applied.

Vendor Prefixing

About Vendor Prefixing

To get the best cross-browser support, it is a common practice to apply vendor prefixes to CSS properties and values that require them to work. For instance -webkit- or -moz-.

We offer two popular choices: Autoprefixer (which processes your CSS server-side) and -prefix-free (which applies prefixes via a script, client-side).

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JavaScript

About JavaScript Preprocessors

JavaScript preprocessors can help make authoring JavaScript easier and more convenient. For instance, CoffeeScript can help prevent easy-to-make mistakes and offer a cleaner syntax and Babel can bring ECMAScript 6 features to browsers that only support ECMAScript 5.

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Babel is required to process package imports. If you need a different preprocessor remove all packages first.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

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About External Resources

You can apply a script from anywhere on the web to your Pen. Just put a URL to it here and we'll add it, in the order you have them, before the JavaScript in the Pen itself.

If the script you link to has the file extension of a preprocessor, we'll attempt to process it before applying.

You can also link to another Pen here, and we'll pull the JavaScript from that Pen and include it. If it's using a matching preprocessor, we'll combine the code before preprocessing, so you can use the linked Pen as a true dependency.

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HTML
!

CSS 

              
                body{
  overflow:hidden;
  display:flex;
  justify-content:center;
  align-items:center;
}
!

JS 

              
                window.addEventListener("resize", onWindowResize, false);

const scene = new THREE.Scene();
scene.background = new THREE.Color(0xF9A825);
const camera = new THREE.PerspectiveCamera(
  75,
  window.innerWidth / window.innerHeight,
  0.1,
  1000
);

let mixer, animationClip;
const clock = new THREE.Clock();

const renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);

//re-establish camera view on window resize
function onWindowResize() {
  camera.aspect = window.innerWidth / window.innerHeight;
  camera.updateProjectionMatrix();
  renderer.setSize(window.innerWidth, window.innerHeight);
}

//lighting
const light = new THREE.PointLight(0xffffff, 1, 200);
light.position.set(50, 50, 50);
scene.add(light);

const light2 = new THREE.AmbientLight(0x404040);
scene.add(light2);

//camera position
camera.position.set(3.5,-0.2,1);
camera.lookAt(0,0.5,0);

const gltfStore = {};

const loader = new THREE.GLTFLoader();
// Load a glTF resource
loader.load(
  "https://s3-us-west-2.amazonaws.com/s.cdpn.io/96252/hand-rigged.glb",
  function(gltf) {
    scene.add(gltf.scene);

    gltf.animations; // Array<THREE.AnimationClip>
    gltf.scene; // THREE.Scene
    gltf.scenes; // Array<THREE.Scene>
    gltf.cameras; // Array<THREE.Camera>
     // gltf.scene.children[0].children[0].material = material;
    gltfStore.animations = gltf.animations;
    
    gltfStore.mixer = new THREE.AnimationMixer(gltf.scene.children[0]);
    //speed up animation * 2
    gltfStore.mixer.timeScale = 2;
    gltfStore.mixer.clipAction(gltfStore.animations[0]).play();
  },
  // called when loading is in progresses
  function(xhr) {
    console.log(xhr.loaded / xhr.total * 100 + "% loaded");
  },
  // on load error
  function(error) {
    console.log("An error happened");
  }
);

function animate() {
  requestAnimationFrame(animate);
  if (gltfStore.mixer && gltfStore.animations) {
    gltfStore.mixer.update(clock.getDelta());
    renderer.render(scene, camera);
  }
}

animate();
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999px

Console