Builds a matrix with given Y and X axes. Y will remain fixed, X may be changed minimally to enforce orthogonality. Z will be computed. Inputs need not be normalized.
Target is Kismet Math Library
X0
Y 0
Z 0
X0
Y 0
Z 0
R 0
P 0
Y0

Return Value
Rotator

Builds a matrix with given Y and X axes. Y will remain fixed, X may be changed minimally to enforce orthogonality. Z will be computed. Inputs need not be normalized. 