Unity+VuforiaでAR開発-マーカーに追従しないでその場に留まるオブジェクト

public GameObject imageTarget_Osaka;

void Update()
{
 float imageTarget_Osaka_bornPos_x = 0.0f;
 float imageTarget_Osaka_now_pos_x = imageTarget_Osaka.transform.position.x;
 float new_pos_x = (imageTarget_Osaka_now_pos_x - imageTarget_Osaka_bornPos_x);
 Vector3 new_pos = new Vector3(-new_pos_x, 0.0f, 0.0f);
 this.GetComponent<Transform>().localPosition = new_pos;
}

public GameObject imageTarget_Osaka;

void Update()
{
 float imageTarget_Osaka_bornPos_x = 0.0f;
 float imageTarget_Osaka_now_pos_x = imageTarget_Osaka.transform.position.x;
 float new_pos_x = (imageTarget_Osaka_now_pos_x - imageTarget_Osaka_bornPos_x) * 20;
 Vector3 new_pos = new Vector3(-new_pos_x, 0.0f, 0.0f);
 this.GetComponent<Transform>().localPosition = new_pos;
}

public GameObject imageTarget_Osaka;
public float imageTarget_Osaka_bornPos_x;
public float imageTarget_Osaka_bornPos_z;
bool ar_testball_visible = true;

 void Update()
 {
        MeshRenderer ar_testball = this.GetComponent<MeshRenderer>();
        
        if (ar_testball_visible == ar_testball.isVisible)
        {
            imageTarget_Osaka_bornPos_x = imageTarget_Osaka.transform.position.x;
            imageTarget_Osaka_bornPos_z = imageTarget_Osaka.transform.position.z;
            Vector3 tf_bornpos = new Vector3(0.0f, 0.0f, 0.0f);
            this.GetComponent<Transform>().localPosition = tf_bornpos;
            ar_testball_visible = false;
        }
        float imageTarget_Osaka_now_pos_x = imageTarget_Osaka.transform.position.x;
        float imageTarget_Osaka_now_pos_z = imageTarget_Osaka.transform.position.z;
        float new_pos_x = (imageTarget_Osaka_now_pos_x - imageTarget_Osaka_bornPos_x) * 20;
        float new_pos_z = (imageTarget_Osaka_now_pos_z - imageTarget_Osaka_bornPos_z) * 20;
        Vector3 new_pos = new Vector3(-new_pos_x, 0.0f, -new_pos_z);
        this.GetComponent<Transform>().localPosition = new_pos;
        Vector3 tf_Rotate = new Vector3(0.0f, 3.0f, 0.0f);
        this.GetComponent<Transform>().Rotate(tf_Rotate);
}