mouselook script unity
public float lookSpeed = 3;
private Vector2 rotation = Vector2.zero;
public void Look() // Look rotation (UP down is Camera) (Left right is Transform rotation)
{
rotation.y += Input.GetAxis("Mouse X");
rotation.x += -Input.GetAxis("Mouse Y");
rotation.x = Mathf.Clamp(rotation.x, -15f, 15f);
transform.eulerAngles = new Vector2(0,rotation.y) * lookSpeed;
Camera.main.transform.localRotation = Quaternion.Euler(rotation.x * lookSpeed, 0, 0);
}