using System; using UnityEngine; using UnityEngine.XR.ARFoundation; #if UNITY_IOS using UnityEngine.XR.ARKit; #endif /// /// This example shows how to activate the [ARCoachingOverlayView](https://developer.apple.com/documentation/arkit/arcoachingoverlayview) /// [RequireComponent(typeof(ARSession))] public class ARKitCoachingOverlay : MonoBehaviour { // Duplicate the ARCoachingGoal enum so that we can use it on a serialized field enum CoachingGoal { Tracking, HorizontalPlane, VerticalPlane, AnyPlane } [SerializeField] [Tooltip("The coaching goal associated with the coaching overlay.")] #if !UNITY_IOS #pragma warning disable CS0414 #endif CoachingGoal m_Goal = CoachingGoal.Tracking; #if !UNITY_IOS #pragma warning restore CS0414 #endif #if UNITY_IOS /// /// The [ARCoachingGoal](https://developer.apple.com/documentation/arkit/arcoachinggoal) associated with the coaching overlay /// public ARCoachingGoal goal { get { if (GetComponent().subsystem is ARKitSessionSubsystem sessionSubsystem) { return sessionSubsystem.requestedCoachingGoal; } else { return (ARCoachingGoal)m_Goal; } } set { m_Goal = (CoachingGoal)value; if (supported && GetComponent().subsystem is ARKitSessionSubsystem sessionSubsystem) { sessionSubsystem.requestedCoachingGoal = value; } } } #endif [SerializeField] [Tooltip("Whether the coaching overlay activates automatically.")] bool m_ActivatesAutomatically = true; /// /// Whether the coaching overlay activates automatically /// public bool activatesAutomatically { get { #if UNITY_IOS if (supported && GetComponent().subsystem is ARKitSessionSubsystem sessionSubsystem) { return sessionSubsystem.coachingActivatesAutomatically; } #endif return m_ActivatesAutomatically; } set { m_ActivatesAutomatically = value; #if UNITY_IOS if (supported && GetComponent().subsystem is ARKitSessionSubsystem sessionSubsystem) { sessionSubsystem.coachingActivatesAutomatically = value; } #endif } } /// /// Whether the [ARCoachingGoal](https://developer.apple.com/documentation/arkit/arcoachinggoal) is supported. /// public bool supported { get { #if UNITY_IOS return ARKitSessionSubsystem.coachingOverlaySupported; #else return false; #endif } } void OnEnable() { #if UNITY_IOS if (supported && GetComponent().subsystem is ARKitSessionSubsystem sessionSubsystem) { sessionSubsystem.requestedCoachingGoal = (ARCoachingGoal)m_Goal; sessionSubsystem.coachingActivatesAutomatically = m_ActivatesAutomatically; } else #endif { Debug.LogError("ARCoachingOverlayView is not supported by this device."); } } /// /// Activates the [ARCoachingGoal](https://developer.apple.com/documentation/arkit/arcoachinggoal) /// /// If true, the coaching overlay is animated, e.g. fades in. If false, the coaching overlay appears instantly, without any transition. public void ActivateCoaching(bool animated) { #if UNITY_IOS if (supported && GetComponent().subsystem is ARKitSessionSubsystem sessionSubsystem) { sessionSubsystem.SetCoachingActive(true, animated ? ARCoachingOverlayTransition.Animated : ARCoachingOverlayTransition.Instant); } else #endif { throw new NotSupportedException("ARCoachingOverlay is not supported"); } } }