fix: #60 update transform controls axes visual feedback to match threejs #64
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Why
Fixing issue 60#
What
As per the code of the original three js the visual feedback on the axes is managed simply by creating a couple of temporary variable for the colour and opacity. See here :
https://github.com/mrdoob/three.js/blob/d39d82999f0ac5cdd1b4eb9f4aba3f9626f32ab6/examples/jsm/controls/TransformControls.js#L1528-L1532
The
_opacity
and_color
are simply temp variable that suffered from a refactoring error in this commitChecklist