add unity behavior package & examples

add behavior tree implementation
2025-04-23 18:10:17 +02:00
parent 4602ff2416
commit a97b3be68a
34 changed files with 3675 additions and 92 deletions
@@ -0,0 +1,48 @@
+using System;
+using DefaultNamespace;
+using DefaultNamespace.FSM;
+using Unity.Behavior;
+using UnityEngine;
+using Action = Unity.Behavior.Action;
+using Unity.Properties;
+
+[Serializable, GeneratePropertyBag]
+[NodeDescription(name: "Find Player Controller By Raycast", story: "Find [Target] by Raycast from [Agent]", category: "Action/Find", id: "e2b3bc47cdb71b5678009c1d431fc68b")]
+public partial class FindPlayerControllerByRaycastAction : Action
+{
+    [SerializeReference] public BlackboardVariable<GameObject> Target;
+    [SerializeReference] public BlackboardVariable<GameObject> Agent;
+    [SerializeReference] public BlackboardVariable<float> MaxDistance = new(100);
+
+    protected override Status OnStart()
+    {
+        // setup node
+        // Target.Value = null;
+        
+        // check initial values
+        if (Agent.Value == null) return Status.Failure;
+        
+        return Status.Running;
+    }
+
+    protected override Status OnUpdate()
+    {
+        if (Physics.Raycast(Agent.Value.transform.position, Agent.Value.transform.forward, out RaycastHit hit,
+                MaxDistance))
+        {
+            if (hit.transform.GetComponent<PlayerController>() != null)
+            {
+                Target.Value = hit.transform.gameObject;
+                return Status.Success;
+            }
+        }
+        
+        Target.Value = null;
+        return Status.Failure;
+    }
+
+    protected override void OnEnd()
+    {
+    }
+}
+