Three.js - Why is csg.js not working?

Question

I tried to use csg.js-functions to cut a sphere out of a box, but it is not working? I read the tutorial on http://learningthreejs.com/blog/2011/12/10/constructive-solid-geometr

Answer 1

The article is outdated, this is the new syntax:

var box = new THREE.Mesh( new THREE.BoxGeometry( 10, 1, 10 ) );
var box_bsp = new ThreeBSP( box );

var cutgeo = new THREE.SphereGeometry( 1, 16, 8 );
var sub = new THREE.Mesh( cutgeo );
var subtract_bsp  = new ThreeBSP( sub );
var result_bsp  = box_bsp.subtract( substract_bsp );

var result = result_bsp.toMesh();
scene.add( result );

Three.js r107: http://jsfiddle.net/r7suq1mv/2/