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Assets/SteamVR/InteractionSystem/Longbow/Scripts/ArcheryTarget.cs

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+//======= Copyright (c) Valve Corporation, All rights reserved. ===============
+//
+// Purpose: Target that sends events when hit by an arrow
+//
+//=============================================================================
+
+using UnityEngine;
+using UnityEngine.Events;
+using System.Collections;
+
+namespace Valve.VR.InteractionSystem
+{
+	//-------------------------------------------------------------------------
+	public class ArcheryTarget : MonoBehaviour
+	{
+		public UnityEvent onTakeDamage;
+
+		public bool onceOnly = false;
+		public Transform targetCenter;
+
+		public Transform baseTransform;
+		public Transform fallenDownTransform;
+		public float fallTime = 0.5f;
+
+		const float targetRadius = 0.25f;
+
+		private bool targetEnabled = true;
+
+
+		//-------------------------------------------------
+		private void ApplyDamage()
+		{
+			OnDamageTaken();
+		}
+
+
+		//-------------------------------------------------
+		private void FireExposure()
+		{
+			OnDamageTaken();
+		}
+
+
+		//-------------------------------------------------
+		private void OnDamageTaken()
+		{
+			if ( targetEnabled )
+			{
+				onTakeDamage.Invoke();
+				StartCoroutine( this.FallDown() );
+
+				if ( onceOnly )
+				{
+					targetEnabled = false;
+				}
+			}
+		}
+
+
+		//-------------------------------------------------
+		private IEnumerator FallDown()
+		{
+			if ( baseTransform )
+			{
+				Quaternion startingRot = baseTransform.rotation;
+
+				float startTime = Time.time;
+				float rotLerp = 0f;
+
+				while ( rotLerp < 1 )
+				{
+					rotLerp = Util.RemapNumberClamped( Time.time, startTime, startTime + fallTime, 0f, 1f );
+					baseTransform.rotation = Quaternion.Lerp( startingRot, fallenDownTransform.rotation, rotLerp );
+					yield return null;
+				}
+			}
+
+			yield return null;
+		}
+	}
+}