ShootCube4ARCore.cs

public void Update ()
{
    _QuitOnConnectionErrors();

    // The tracking state must be FrameTrackingState.Tracking in order to access the Frame.
    if (Frame.TrackingState != FrameTrackingState.Tracking)
    {
        const int LOST_TRACKING_SLEEP_TIMEOUT = 15;
        Screen.sleepTimeout = LOST_TRACKING_SLEEP_TIMEOUT;
        return;
    }

    Screen.sleepTimeout = SleepTimeout.NeverSleep;
    Frame.GetNewPlanes(ref m_newPlanes);

    // Iterate over planes found in this frame and instantiate corresponding GameObjects to visualize them.
    for (int i = 0; i < m_newPlanes.Count; i++)
    {
        // Instantiate a plane visualization prefab and set it to track the new plane. The transform is set to
        // the origin with an identity rotation since the mesh for our prefab is updated in Unity World
        // coordinates.
        GameObject planeObject = Instantiate(m_trackedPlanePrefab, Vector3.zero, Quaternion.identity,
            transform);
        planeObject.GetComponent<TrackedPlaneVisualizer>().SetTrackedPlane(m_newPlanes[i]);

        // Apply a random color and grid rotation.
        planeObject.GetComponent<Renderer>().material.SetColor("_GridColor", m_planeColors[Random.Range(0,
            m_planeColors.Length - 1)]);
        planeObject.GetComponent<Renderer>().material.SetFloat("_UvRotation", Random.Range(0.0f, 360.0f));
    }

    //  m_searchingForPlaneUI.SetActive(showSearchingUI);

    Touch touch;
    if (Input.touchCount < 1 || (touch = Input.GetTouch(0)).phase != TouchPhase.Began)
    {
        return;
    }
    
    //下記コードによりタップする度にCubeを生成して前え飛ばす。サイズとか勢いは適当
    GameObject cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
    cube.transform.position = m_firstPersonCamera.transform.TransformPoint(0, 0, 0.5f);
    cube.transform.localScale = new Vector3(0.2f, 0.2f, 0.2f);
    cube.AddComponent<Rigidbody>();
    cube.GetComponent<Rigidbody>().AddForce(m_firstPersonCamera.transform.TransformDirection(0, 1f, 2f),ForceMode.Impulse);       
}