convert a toxiclibs.js trianglemesh into a three.js BufferGeometry, needs testing

toxiBufferGeometry.js

define(function( require ){
	var THREE = require('three'); 
	/**
	 * take a toxiclibs.js mesh and turn it into a THREE.BufferGeometry
	 * @param {toxi.geom.mesh.TriangleMesh} mesh
	 * @type {THREE.BufferGeometry}
	 */
	return function( mesh ){
		var geometry = new THREE.BufferGeometry();
		//3 points per face, 3 axis per point
		var totalFloats = mesh.faces.length * 3 * 3;
		var vertices = new Float32Array( totalFloats );
		var normals = new Float32Array( totalFloats );
		//start at 0, stride with 3
		mesh.getMeshAsVertexArray( vertices, 0, 3 );
		mesh.getFaceNormalsAsArray( normals, 0, 3 );

		geometry.attributes = {
			position: {
				itemSize: 3,
				array: vertices,
				numItems: totalFloats
			},
			normal: {
				itemSize: 3,
				array: normals,
				numItems: totalFloats
			}
		};

		return geometry;
	};
});