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Assets/Plugins/ParadoxNotion/NodeCanvas/Tasks/Conditions/GameObject/CheckLOS2D.cs

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+using System.Linq;
+using NodeCanvas.Framework;
+using ParadoxNotion.Design;
+using UnityEngine;
+
+namespace NodeCanvas.Tasks.Conditions
+{
+
+    [Name("Target In Line Of Sight 2D")]
+    [Category("GameObject")]
+    [Description("Check of agent is in line of sight with target by doing a linecast and optionaly save the distance")]
+    public class CheckLOS2D : ConditionTask<Transform>
+    {
+
+        [RequiredField]
+        public BBParameter<GameObject> LOSTarget;
+        public BBParameter<LayerMask> layerMask = (LayerMask)( -1 );
+        [BlackboardOnly]
+        public BBParameter<float> saveDistanceAs;
+
+        [GetFromAgent]
+        protected Collider2D agentCollider;
+
+        protected override string info => "LOS with " + LOSTarget.ToString();
+
+        protected override bool OnCheck() {
+            var hits = Physics2D.LinecastAll(agent.position, LOSTarget.value.transform.position, layerMask.value);
+            foreach ( var collider in hits.Select(h => h.collider) ) {
+                if ( collider != agentCollider && collider != LOSTarget.value.GetComponent<Collider2D>() ) {
+                    return false;
+                }
+            }
+            saveDistanceAs.value = Vector2.Distance(LOSTarget.value.transform.position, agent.position);
+            return true;
+        }
+
+        public override void OnDrawGizmosSelected() {
+            if ( agent && LOSTarget.value ) {
+                Gizmos.DrawLine((Vector2)agent.position, (Vector2)LOSTarget.value.transform.position);
+            }
+        }
+    }
+}