Function identity

scripts/test-animation-times.mjs:43–45

()

}

function identity() {
    return new Float32Array([1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]);
}

function slerpQuaternion(q1, q2, t) {
    let dot = q1[0] * q2[0] + q1[1] * q2[1] + q1[2] * q2[2] + q1[3] * q2[3];