Returns a new 3x3 matrix created by concatenating a matrix with a scaling transform.
Original signature is 'GLKMatrix3 GLKMatrix3Scale ( GLKMatrix3 matrix, float sx, float sy, float sz );'
Available in OS X x0.8 and later.
public static GLKMatrix3 Scale (GLKMatrix3 matrix, float sx, float sy, float sz) { GLKMatrix3 m = Identity; m [0] = sx; m [4] = sy; m [8] = sz; return m; }