three-math

JavaScript 3D Math library

npm install three-math
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three.js

JavaScript 3D library

The aim of the project is to create a lightweight 3D library with a very low level of complexity — in other words, for dummies. The library provides <canvas>, <svg>, CSS3D and WebGL renderers.

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Usage

Download the minified library and include it in your html. Alternatively see how to build the library yourself.

<script src="js/three.min.js"></script>

This code creates a scene, a camera, and a geometric cube, and it adds the cube to the scene. It then creates a <canvas> renderer for the scene and camera, and it adds that viewport to the document.body element. Finally it animates the cube within the scene for the camera.

<script>

    var scene, camera, renderer;
    var geometry, material, mesh;

    init();
    animate();

    function init() {

        scene = new THREE.Scene();

        camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 10000 );
        camera.position.z = 1000;

        geometry = new THREE.BoxGeometry( 200, 200, 200 );
        material = new THREE.MeshBasicMaterial( { color: 0xff0000, wireframe: true } );
        mesh = new THREE.Mesh( geometry, material );

        scene.add( mesh );

        renderer = new THREE.CanvasRenderer();
        renderer.setSize( window.innerWidth, window.innerHeight );

        document.body.appendChild( renderer.domElement );

    }

    function animate() {

        // note: three.js includes requestAnimationFrame shim
        requestAnimationFrame( animate );

        mesh.rotation.x += 0.01;
        mesh.rotation.y += 0.02;

        renderer.render( scene, camera );

    }

</script>

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