public class GolemMovement : MonoBehaviour {
    public float moveForce = 1F;
    Vector3 v = new Vector3(0f, 0f, 0f);
    void Update () {
        float h = Input.GetAxis("Horizontal");
        if (transform.position.x >= 10 && h*moveForce<0)
        {
            v = new Vector3(0f, 0f, 0f);
        }else if(transform.position.x <= -10 && h * moveForce > 0)
        {
            v = new Vector3(0f, 0f, 0f);
        }else
        {
            v = new Vector3(h * moveForce, 0f, 0f);
        }
        transform.Translate(v);
    }
}