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Contoh migrasi dari versi 4.6 ke versi 4000: migrasi contoh SpatialMap_Sparse_Building

Artikel ini menjelaskan cara memigrasikan contoh SpatialMap_Sparse_Building dari EasyAR Sense Unity Plugin versi 4.6 ke versi 4000.

Mengganti paket plugin

Rujuk panduan migrasi umum untuk mengganti paket plugin.

Mengubah kode yang tidak kompatibel: versi yang paling cepat dapat dijalankan

Ganti SparseSpatialMapWorkerFrameFilter pada skrip asli MapBuilding_SparseSample dengan SparseSpatialMapBuilderFrameFilter:

Kode versi lama:

private SparseSpatialMapWorkerFrameFilter sparse;

Ubah menjadi:

private SparseSpatialMapBuilderFrameFilter sparse;

Perbarui kode untuk mendapatkan SparseSpatialMapBuilderFrameFilter di Awake:

Kode versi lama:

sparse = Session.GetComponentInChildren<SparseSpatialMapWorkerFrameFilter>();

Ubah menjadi:

Session.StateChanged += (state) =>
{
    if (state == ARSession.SessionState.Ready)
    {
        sparse = Session.Assembly.FrameFilters.Where(f => f is SparseSpatialMapBuilderFrameFilter).FirstOrDefault() as SparseSpatialMapBuilderFrameFilter;
    }
};

Hapus kode yang menampilkan Status di Update, lalu perbarui referensi sparse spatial map menjadi sparse.Target sesuai API versi baru:

Kode versi lama:

private void Update()
{
    Status.text = $"Device Model: {SystemInfo.deviceModel} {deviceModel}" + Environment.NewLine +
        "Frame Source: " + ((Session.Assembly != null && Session.Assembly.FrameSource) ? Session.Assembly.FrameSource.GetType().ToString().Replace》("easyar.", "").Replace("FrameSource", "") : "-") + Environment.NewLine +
        "Tracking Status: " + Session.TrackingStatus + Environment.NewLine +
        "Sparse Point Cloud Count: " + (sparse.LocalizedMap == null ? "-" : sparse.LocalizedMap.PointCloud.Count.ToString()) + Environment.NewLine +
        "Cube Location: " + (onSparse ? "On Sparse Spatial Map" : (Session.TrackingStatus.OnSome && Session.TrackingStatus != 》MotionTrackingStatus.NotTracking ? "Air" : "-")) + Environment.NewLine +
        Environment.NewLine +
        "Gesture Instruction" + Environment.NewLine +
        "	Move to Sparse Spatial Map Point: One Finger Move" + Environment.NewLine +
        "	Scale: Two Finger Pinch";

    if (Input.touchCount == 1 && !EventSystem.current.IsPointerOverGameObject(Input.GetTouch(0).fingerId))
    {
        var touch = Input.touches[0];
        if (touch.phase == TouchPhase.Moved)
        {
            var viewPoint = new Vector2(touch.position.x / Screen.width, touch.position.y / Screen.height);
            if (sparse && sparse.LocalizedMap)
            {
                var points = sparse.LocalizedMap.HitTest(viewPoint);
                foreach (var point in points)
                {
                    onSparse = true;
                    TouchControl.transform.position = sparse.LocalizedMap.transform.TransformPoint(point);
                    break;
                }
            }
        }
    }
}

Ubah menjadi:

private void Update()
{
    if (Input.touchCount == 1 && !EventSystem.current.IsPointerOverGameObject(Input.GetTouch(0).fingerId))
    {
        var touch = Input.touches[0];
        if (touch.phase == TouchPhase.Moved)
        {
            var viewPoint = new Vector2(touch.position.x / Screen.width, touch.position.y / Screen.height);
            if (sparse && sparse.Target)
            {
                var points = sparse.Target.HitTest(viewPoint);
                foreach (var point in points)
                {
                    TouchControl.transform.position = sparse.Target.transform.TransformPoint(point);
                    break;
                }
            }
        }
    }
}

Pada tahap ini, contoh sudah pada dasarnya dapat dijalankan.

Membangun ulang scene: menyiapkan penggunaan fitur baru

Hapus node Sparse SpatialMap di scene:

Hapus AR Session di scene:

Buat ulang AR Session:

Tetapkan ulang ARSession pada skrip contoh ke AR Session (EasyAR) yang baru dibuat:

Pada tahap ini, scene contoh dan skrip sudah diperbarui ke versi 4000.0 dan dapat dijalankan.

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