Using the clearColor property for gradients in Three.js

I have successfully achieved a solid clearColor in my threejs project, but I'm now wondering if it's possible to create a gradient clearColor for a more dynamic sky effect. Alternatively, is there a way to add depth to the sky using lights?

Below is the code that I am currently using:

renderer = new THREE.WebGLRenderer({ antialias: true });
renderer.setClearColor( 0x3dc800 );

var light = new THREE.HemisphereLight( 0xffffff, 0xeeeeee, 0.75 );
  light.position.set( 0.5, 1, 0.75 );
  scene.add( light );

scene.fog = new THREE.Fog( 0x4ff904, 0, 750 );

javascriptthree.js

Answer №1

Stumbled upon this interesting code snippet:

http://codepen.io/billimarie/pen/mJLeBY

All credit goes to the original creator, but it provides a perfect solution to the query.

The key portions are:

renderer = new THREE.CanvasRenderer( { alpha: true }); // gradient

along with this CSS:

body {
            background-color: #1A8FCF;
            margin: 0px;
            overflow: hidden;
            background-image: -webkit-gradient(#1A8FCF,#D1236A,#1A8FCF);
            /* Safari 5.1, iOS 5.0-6.1, Chrome 10-25, Android 4.0-4.3 */
            background-image: -webkit-linear-gradient(#1A8FCF,#D1236A,#1A8FCF);
            /* Firefox 3.6 - 15 */
            background-image: -moz-linear-gradient(#1A8FCF,#D1236A,#1A8FCF);
            /* Opera 11.1 - 12 */
            background-image: -o-linear-gradient(#1A8FCF,#D1236A,#1A8FCF);
            /* Opera 15+, Chrome 25+, IE 10+, Firefox 16+, Safari 6.1+, iOS 7+, Android 4.4+ */
            background-image: linear-gradient(#1A8FCF,#D1236A,#1A8FCF);
        }

**Please note, I adjusted the colors to my preference...

Answer №2

Check out this link for information on creating a transparent background with three.js: Transparent background with three.js. You can then incorporate CSS gradients from http://www.w3schools.com/Css/css3_gradients.asp, but keep in mind that they may not move along with your scene without some clever techniques.

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