How can I implement a transition when changing the setClearColor property of the WebGL Renderer in three.js?

const glRenderer = new THREE.WebGLRenderer({antialiasing: true, alpha:true}); glRenderer.setClearColor(0x000000);

I am looking to implement a smooth transition or tween for changing the clear color from the current one to a new color

Answer №1

Sure, there is definitely a way to achieve this effect. Here's one approach you can take:

let scene = new THREE.Scene();
let camera = new THREE.PerspectiveCamera(60, window.innerWidth / window.innerHeight, 1, 1000);
camera.position.set(0, 0, 10);
let renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);

let color1 = new THREE.Color("red");  
let color2 = new THREE.Color("blue"); 

let tween = new TWEEN.Tween(color1).to(color2, 3000).onUpdate(function() {
  renderer.setClearColor(color1);
}).start();

render();

function render() {
  requestAnimationFrame(render);
  TWEEN.update(); 
  renderer.render(scene, camera);
}
body {
  overflow: hidden;
  margin: 0;
}
<script src="https://threejs.org/build/three.min.js"></script>
<script src="https://threejs.org/examples/js/libs/tween.min.js"></script>

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