Function: encodeUvTransform()
encodeUvTransform(
matrix3):number[]
Inverse of decodeUvTransform - reads the affine part (row 1: [a, b, c], row 2: [d, e, f]) out of a THREE.Matrix3's column-major
elements array ([n11, n21, n31, n12, n22, n32, n13, n23, n33], see
Matrix3's own doc comment on row-/column-major storage).
Parameters
matrix3
NTCMatrix3Like
Returns
number[]