first commit

Assets/Plugins/ParadoxNotion/NodeCanvas/Tasks/Actions/Movement/Pathfinding/Flee.cs

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+using UnityEngine;
+using NodeCanvas.Framework;
+using ParadoxNotion.Design;
+using NavMeshAgent = UnityEngine.AI.NavMeshAgent;
+
+namespace NodeCanvas.Tasks.Actions
+{
+
+    [Category("Movement/Pathfinding")]
+    [Description("Flees away from the target")]
+    public class Flee : ActionTask<NavMeshAgent>
+    {
+
+        [RequiredField, Tooltip("The target to flee from.")]
+        public BBParameter<GameObject> target;
+        [Tooltip("The speed to flee.")]
+        public BBParameter<float> speed = 4f;
+        [Tooltip("The distance to flee at.")]
+        public BBParameter<float> fledDistance = 10f;
+        [Tooltip("A distance to look away from the target for valid flee destination.")]
+        public BBParameter<float> lookAhead = 2f;
+
+        protected override string info {
+            get { return string.Format("Flee from {0}", target); }
+        }
+
+        protected override void OnExecute() {
+            if ( target.value == null ) { EndAction(false); return; }
+            agent.speed = speed.value;
+            if ( ( agent.transform.position - target.value.transform.position ).magnitude >= fledDistance.value ) {
+                EndAction(true);
+                return;
+            }
+        }
+
+        protected override void OnUpdate() {
+            if ( target.value == null ) { EndAction(false); return; }
+            var targetPos = target.value.transform.position;
+            if ( ( agent.transform.position - targetPos ).magnitude >= fledDistance.value ) {
+                EndAction(true);
+                return;
+            }
+
+            var fleePos = targetPos + ( agent.transform.position - targetPos ).normalized * ( fledDistance.value + lookAhead.value + agent.stoppingDistance );
+            if ( !agent.SetDestination(fleePos) ) {
+                EndAction(false);
+            }
+        }
+
+
+        protected override void OnPause() { OnStop(); }
+        protected override void OnStop() {
+            if ( agent.gameObject.activeSelf ) {
+                agent.ResetPath();
+            }
+        }
+    }
+}