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 v3d.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.
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