Function fromMat4

fromMat4(
    out: quat.Quat,
    m: readonly [
        number,
        number,
        number,
        number,
        number,
        number,
        number,
        number,
        number,
        number,
        number,
        number,
        number,
        number,
        number,
        number,
    ],
): quat.Quat
Calculates a quaternion from a 4x4 rotation matrix Extracts the 3x3 rotation part and calls fromMat3
Parameters
- out: quat.Quat
  the receiving quaternion
- m: readonly [
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
  ]
  rotation matrix
Returns quat.Quat
out
- Defined in core/quat.ts:473