* remove repeated calculation from renderer

* remove now redundant getter

* #9663: Fix radius bug in CylinderBufferGeometry

* CylinderBufferGeometry: simplify normal generation

* CylinderBufferGeometry: Cleanup

* CylinderBufferGeometry: Rename tanTheta variable

* Fix distortion on stereo camera when zoom is not equal to one.

* Add parenthesis to make the code changes clearer.

* Add a local zoom variable to StereoCamera to keep track of changes.

* add offset to fromArray for consistency with all other fromArray functions in the ThreeJS math library.

* Added matrix3/fixed whitespace

* copy colors in Geometry.copy();

* merge colors

* correct  declaration

Fixes #9056.