tvOS は iOS の基盤の上に構築されています。tvOS の入力に対応したコンテンツや、より大きなスクリーンでの表示など、新たな課題も生まれています。
tvOS の入力は大きく分けて 2 つあります。
The Apple TV Remote (Siri Remote) is a multi-purpose input device that works as a traditional menu navigation controller, app controller, gyroscope, acceleration sensor, and as a touch gesture device. Unity routes Apple TV Remote input to corresponding Unity APIs, but performs no other processing on that input.Your application might need some adjustments to its input scheme to leverage the Apple TV Remote’s specific input features. For instance, your application can treat it as a traditional application controller, with one analog axis and an extra action button, or your application can use the accelerometer for interactions such as steering. You can experiment with various schemes when porting an app to tvOS.
Unity offers Made For iOS (MFi), which is standardized controller support for iOS and tvOS. MFi controllers offer out of the box input mappings, and you can set up custom action mappings in the Unity Editor (menu: Edit >** Project Settings > Input Manager**). For more information, see iOS Game Controller support, and Game Controllers.
Apple TV デバイスには、さらに 2 つのワイヤレス MFi コントローラーを接続することで、実質的にコンソールにすることができます。アプリケーションは iOS の MFi コントローラーと同じようにコントローラーを使うことができますが、Apple TV Remote だけで使い勝手を確保する必要があります。tvOSシステムでは、追加コントローラーの数は 2 つに制限されています。
ここでは、特定の TV Remote の機能にアクセスするための技術的な詳細を説明します。
Apple TV Remote button or function | ノート |
---|---|
タッチエリア | Input.touches (Touch.type は Indirect に設定され、Unity GUI から無視されます) と Joystick Input API ( 例えば、Input.GetAxis(“Horizontal”)) の両方にマップされます。 |
タッチエリアクリック | Maps to button A, which then maps to joystick button 14 |
ジャイロスコープ | Input.gyro にマップされます。Input.gyro.attitude は重力ベクトルから派生しているため、重力ベクトルに平行な軸を中心に回転しません。同じことが Input.gyro.rotationRate にも当てはまります。 |
加速 | Input.acceleration にマップされます。ノート: Input.acceleration はジャイロスコープ API から派生しており、不安定な部分があるかもしれません。tvOS SDK には、専用の加速度センサー API はありません。 |
一時停止/再生ボタン | Maps to button X, which then maps to joystick button 15 |
Menu ボタン | A long press calls the tvOS task switcher. You can’t override this behavior. Your app can process short taps one of two ways: a) Return to the tvOS system home screen, if UnityEngine.tvOS.Remote.allowExitToHome is true. b) Let your app respond to taps (which maps to the Pause button/joystick button 0 when UnityEngine.tvOS.Remote.allowExitToHome is false. This is the default behavior. Your app should switch between a) and b) based on its current state: - If the user is currently interacting with the top menu, enable behavior a). - If they’re interacting with the app in real time, enable behavior b) and call the in-app pause menu when they press this button. |
リモコンの端までスワイプ | Generates directional pad (D-pad) up/down/left/right button presses. For a list of mappings, see iOS Game Controller support. |
Apple TV remote の操作モードは、以下の専用の API から制御できます。 * UnityEngine.tvOS.Remote.allowExitToHome * UnityEngine.tvOS.Remote.allowRemoteRotation * UnityEngine.tvOS.Remote.reportAbsoluteDpadValues * UnityEngine.tvOS.Remote.touchesEnabled
Note: When UnityEngine.tvOS.Remote.allowExitToHome is false, the Menu button maps to joystick button 0. This causes a conflict with the default Input window, because it also uses joystick button 0 to map the Submit virtual button. This results in the Menu button triggering actions on UI elements. To fix this issue, remove or modify the Submit virtual button bindings in the Input window (menu: Edit > Project Settings, then select the Input category).
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