1 files changed, 74 insertions, 0 deletions
diff --git a/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Utilities/AnimationLinkTraverser.cs b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Utilities/AnimationLinkTraverser.cs
new file mode 100644
index 0000000..455bc3e
--- /dev/null
+++ b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Utilities/AnimationLinkTraverser.cs
@@ -0,0 +1,74 @@
+using System.Collections;
+using UnityEngine;
+
+namespace Pathfinding.Examples {
+	using Pathfinding;
+
+	/// <summary>
+	/// Example of how to handle off-mesh link traversal.
+	/// This is used in the "Example4_Recast_Navmesh2" example scene.
+	///
+	/// See: <see cref="Pathfinding.RichAI"/>
+	/// See: <see cref="Pathfinding.RichAI.onTraverseOffMeshLink"/>
+	/// See: <see cref="Pathfinding.AnimationLink"/>
+	/// </summary>
+	[HelpURL("https://arongranberg.com/astar/documentation/stable/animationlinktraverser.html")]
+	public class AnimationLinkTraverser : VersionedMonoBehaviour {
+		public Animation anim;
+
+		RichAI ai;
+
+		void OnEnable () {
+			ai = GetComponent<RichAI>();
+			if (ai != null) ai.onTraverseOffMeshLink += TraverseOffMeshLink;
+		}
+
+		void OnDisable () {
+			if (ai != null) ai.onTraverseOffMeshLink -= TraverseOffMeshLink;
+		}
+
+		protected virtual IEnumerator TraverseOffMeshLink (RichSpecial rs) {
+			var link = rs.nodeLink.gameObject.GetComponent<AnimationLink>();
+
+			if (link == null) {
+				Debug.LogError("Unhandled RichSpecial");
+				yield break;
+			}
+
+			// Rotate character to face the correct direction
+			while (true) {
+				var origRotation = ai.rotation;
+				var finalRotation = ai.SimulateRotationTowards(rs.first.rotation * Vector3.forward, ai.rotationSpeed * Time.deltaTime);
+				// Rotate until the rotation does not change anymore
+				if (origRotation == finalRotation) break;
+				ai.FinalizeMovement(ai.position, finalRotation);
+				yield return null;
+			}
+
+			// Reposition
+			transform.parent.position = transform.position;
+
+			transform.parent.rotation = transform.rotation;
+			transform.localPosition = Vector3.zero;
+			transform.localRotation = Quaternion.identity;
+
+			// Set up animation speeds
+			if (rs.reverse && link.reverseAnim) {
+				anim[link.clip].speed = -link.animSpeed;
+				anim[link.clip].normalizedTime = 1;
+				anim.Play(link.clip);
+				anim.Sample();
+			} else {
+				anim[link.clip].speed = link.animSpeed;
+				anim.Rewind(link.clip);
+				anim.Play(link.clip);
+			}
+
+			// Fix required for animations in reverse direction
+			transform.parent.position -= transform.position-transform.parent.position;
+
+			// Wait for the animation to finish
+			yield return new WaitForSeconds(Mathf.Abs(anim[link.clip].length/link.animSpeed));
+		}
+	}
+}