Variable TRANSMISSION_NORMAL_LINE`Const`

TRANSMISSION_NORMAL_LINE: "vec3 n = transformNormalByInverseViewMatrix( normal, viewMatrix );" = 'vec3 n = transformNormalByInverseViewMatrix( normal, viewMatrix );'

The line of three's transmission_fragment after which the scale is applied: n, v and pos are the very values three hands getIBLVolumeRefraction next.