Three.js

Question

When I run my javascript code. I get the following error "Uncaught ReferenceError: THREE is not defined". The line mentioned is:

var renderer = new THREE.WebGLRenderer();

// I have attached the three.js library in the script tag. I don't know what seems to be problem.

var scene = new THREE.Scene();

var camera = new THREE.PerspectiveCamera(45, window.innerWidth/window.innerHeight, 0.1, 1000);
camera.position.set = (0, 0, 10);
camera.lookAt(camera.position);
scene.add(camera);

var geometry = new THREE.Geometry();
geometry.vertices.push(new THREE.Vector3(0.0, 1.0, 0.0));
geometry.vertices.push(new THREE.Vector3(-1.0, -1.0, 0.0));
geometry.vertices.push(new THREE.Vector3(1.0, -1.0, 0.0));
geometry.faces.push(new THREE.Face3(0, 1, 2));

var material = new THREE.BasicMeshMaterial({
    color: 0xFFFFFF,
    side: THREE.DoubleSide
});

var mesh = new THREE.Mesh(geometry, material);
mesh.position.set(-1.5, 0.0, 4.0);
scene.add(mesh);

function render() {
    renderer.render(scene, camera);
}

render();

Joe Amphlett · Accepted Answer

For anyone checking on this, I had the same problem. Realised I messed up by putting <script src="./libs/three.js"></script> after the script that actually uses three in my html file.

kigiri · Answer

You need to include three.js before

<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r79/three.min.js"></script>

Charden Daxicen · Answer

I had similar problem, specifying character encoding in the header worked for me

<head>
	<title>Cube by Charden</title>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
	.
  .
  .
  .
  
</head>

Siim Kasepõld · Answer

my mistake was including three.js file from /src/Three.js folder. make sure to use ./build/three.js

Three.js - Uncaught ReferenceError: THREE is not defined

Tags:

javascript

user5955461

4 Answers

Joe Amphlett

kigiri

Charden Daxicen

Siim Kasepõld

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