should make y rotation matrix0ms ‣
const angle = 1.23;
const c = Math.cos(angle);
const s = Math.sin(angle);
const expected = [
c, 0, -s, 0,
0, 1, 0, 0,
s, 0, c, 0,
0, 0, 0, 1,
];
testMat4WithAndWithoutDest((newDst) => {
return mat4.rotationY(angle, newDst);
}, expected);