An axis object to visualize the 3 axes in a simple way.
The X axis is red. The Y axis is green. The Z axis is blue.
var axesHelper = new THREE.AxesHelper( 5 );
scene.add( axesHelper );
[page:Number size] -- (optional) size of the lines representing the axes. Default is *1*.
See the base [page:LineSegments] class for common properties.
See the base [page:LineSegments] class for common methods.
[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]