The aim of the project is to create an easy to use, lightweight, cross-browser, general purpose 3D library. The current builds only include a WebGL renderer but WebGPU (experimental), SVG and CSS3D renderers are also available in the examples.
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This code creates a scene, a camera, and a geometric cube, and it adds the cube to the scene. It then creates a WebGL 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.
import*asTHREEfrom'./js/three.module.js';letcamera,scene,renderer;letgeometry,material,mesh;init();functioninit(){camera=newTHREE.PerspectiveCamera(70,window.innerWidth/window.innerHeight,0.01,10);camera.position.z=1;scene=newTHREE.Scene();geometry=newTHREE.BoxGeometry(0.2,0.2,0.2);material=newTHREE.MeshNormalMaterial();mesh=newTHREE.Mesh(geometry,material);scene.add(mesh);renderer=newTHREE.WebGLRenderer({antialias: true});renderer.setSize(window.innerWidth,window.innerHeight);renderer.setAnimationLoop(animation);document.body.appendChild(renderer.domElement);}functionanimation(time){mesh.rotation.x=time/2000;mesh.rotation.y=time/1000;renderer.render(scene,camera);}If everything went well, you should see this.
Cloning the repo with all its history results in a ~2 GB download. If you don't need the whole history you can use the depth parameter to significantly reduce download size.
git clone --depth=1 https://github.com/mrdoob/three.js.git