Conv Matrix To pos n rot

            // lets say we have a view matrix
            Matrix4x4 matCameraToWorldMatrix = new Matrix4x4();

            // get inverse col for rotation calculation
            var inverse = -matCameraToWorldMatrix.GetColumn(2);

            // calculate pos and rot from view matrix
            Vector3 position = matCameraToWorldMatrix.GetColumn(3);
            Quaternion rotation = Quaternion.LookRotation(inverse, matCameraToWorldMatrix.GetColumn(1));