added: new task script for allowing units to circle a target. Added to agent.

Assets/Enemies/TestEnemy/Graphs/TestEnemyCombatFSM.asset

@@ -12,10 +12,13 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: f945e777233a59f4aba40aeca29093a6, type: 3}
   m_Name: TestEnemyCombatFSM
   m_EditorClassIdentifier: NodeCanvas::NodeCanvas.StateMachines.FSM
-  _serializedGraph: '{"type":"NodeCanvas.StateMachines.FSM","nodes":[{"_actionList":{"executionMode":1,"actions":[]},"_color":{"r":1.0,"g":0.42,"b":0.32,"a":1.0},"_name":"Circling
+  _serializedGraph: '{"type":"NodeCanvas.StateMachines.FSM","nodes":[{"_actionList":{"executionMode":1,"actions":[{"pauseIntervalRange":{"_value":{"x":1.0,"y":3.0}},"unpauseIntervalRange":{"_value":{"x":1.0,"y":3.0}},"speedRange":{"_value":{"x":1.0,"y":3.0}},"speedChangeIntervalRange":{"_value":{"x":1.0,"y":3.0}},"speedSmoothing":{},"strafeDirectionChangeInterval":{"_value":{"x":1.0,"y":3.0}},"directionSmoothing":{},"$type":"Reset.Units.CircleTarget"}]},"_color":{"r":1.0,"g":0.42,"b":0.32,"a":1.0},"_name":"Circling
     Movement","_position":{"x":589.0,"y":145.0},"$type":"NodeCanvas.StateMachines.ActionState","$id":"0"},{"_name":"Try
-    to Attack","_position":{"x":991.0,"y":421.0},"$type":"NodeCanvas.StateMachines.EmptyState","$id":"1"},{"_nestedBT":{"_value":1},"executionMode":0,"_variablesMap":[{"_targetSubGraphVariableID":"c96d2e2b-e09d-4abc-a287-3e6821b42c4b","_canWrite":true,"_type":"UnityEngine.Animator","_name":"bodyAnimator","_targetVariableID":"00b78a8a-fb9e-44d0-b9a8-81c6992abd41"}],"_position":{"x":1213.0,"y":503.0},"$type":"NodeCanvas.StateMachines.NestedBTState","$id":"2"},{"_onEnterList":{"executionMode":1,"actions":[]},"_onUpdateList":{"executionMode":1,"actions":[]},"_onExitList":{"executionMode":1,"actions":[]},"_color":{"r":1.0,"g":0.42,"b":0.32,"a":1.0},"_name":"Walk
+    to Attack","_position":{"x":991.0,"y":421.0},"$type":"NodeCanvas.StateMachines.EmptyState","$id":"1"},{"_nestedBT":{"_value":1},"executionMode":0,"_variablesMap":[{"_targetSubGraphVariableID":"c96d2e2b-e09d-4abc-a287-3e6821b42c4b","_canWrite":true,"_type":"UnityEngine.Animator","_name":"bodyAnimator","_targetVariableID":"00b78a8a-fb9e-44d0-b9a8-81c6992abd41"}],"_position":{"x":1213.0,"y":503.0},"$type":"NodeCanvas.StateMachines.NestedBTState","$id":"2"},{"_onEnterList":{"executionMode":1,"actions":[]},"_onUpdateList":{"executionMode":1,"actions":[]},"_onExitList":{"executionMode":1,"actions":[]},"foldEnter":true,"_color":{"r":1.0,"g":0.42,"b":0.32,"a":1.0},"_name":"Walk
-    To Target","_position":{"x":256.0,"y":-182.0},"$type":"NodeCanvas.StateMachines.SuperActionState","$id":"3"}],"connections":[{"_condition":{"timeout":{"_value":1.0},"$type":"NodeCanvas.Tasks.Conditions.Timeout"},"_sourceNode":{"$ref":"0"},"_targetNode":{"$ref":"1"},"$type":"NodeCanvas.StateMachines.FSMConnection"},{"_condition":{"target":{"_name":"target","_targetVariableID":"4a2889be-2a8a-4a68-ab49-fa456e2c9a19"},"maxDistance":{"_value":15.0},"layerMask":{"_value":{"value":255}},"awarnessDistance":{},"viewAngle":{"_value":90.0},"_invert":true,"$type":"NodeCanvas.Tasks.Conditions.CanSeeTarget"},"_sourceNode":{"$ref":"0"},"_targetNode":{"$ref":"3"},"$type":"NodeCanvas.StateMachines.FSMConnection"},{"_condition":{"probability":{"_value":1.0},"maxValue":{"_value":4.0},"$type":"NodeCanvas.Tasks.Conditions.Probability"},"_sourceNode":{"$ref":"1"},"_targetNode":{"$ref":"2"},"$type":"NodeCanvas.StateMachines.FSMConnection"},{"_sourceNode":{"$ref":"1"},"_targetNode":{"$ref":"0"},"$type":"NodeCanvas.StateMachines.FSMConnection"},{"_condition":{"target":{"_name":"target","_targetVariableID":"4a2889be-2a8a-4a68-ab49-fa456e2c9a19"},"maxDistance":{"_value":15.0},"layerMask":{"_value":{"value":255}},"awarnessDistance":{},"viewAngle":{"_value":90.0},"$type":"NodeCanvas.Tasks.Conditions.CanSeeTarget"},"_sourceNode":{"$ref":"3"},"_targetNode":{"$ref":"0"},"$type":"NodeCanvas.StateMachines.FSMConnection"}],"canvasGroups":[],"localBlackboard":{"_variables":{"testModelAnimator":{"_name":"testModelAnimator","_id":"7222df40-dd9e-41ce-a85a-a5221009180e","_isPublic":true,"$type":"NodeCanvas.Framework.Variable`1[[UnityEngine.Animator,
+    To Target","_position":{"x":256.0,"y":-182.0},"$type":"NodeCanvas.StateMachines.SuperActionState","$id":"3"},{"_actionList":{"executionMode":1,"actions":[]},"_color":{"r":1.0,"g":0.42,"b":0.32,"a":1.0},"_name":"Target
+    Too Close","_position":{"x":279.0,"y":375.0},"$type":"NodeCanvas.StateMachines.ActionState","$id":"4"},{"_conditionList":{"conditions":[]},"_actionList":{"executionMode":1,"actions":[{"facingDirection":{"label":"Facing
+    Direction","value":{"_value":{"$content":0,"$type":"Reset.Units.UnitFacingDirection"}},"changeValue":{"_value":1}},"rotationSpeed":{"label":"Rotation
+    Speed","changeValue":{},"value":{},"_changeSmoothing":{},"_smoothing":{},"_changeEasing":{},"_easing":{}},"$type":"Reset.Units.ChangeRotationSettings"}]},"_position":{"x":713.0,"y":-3.0},"$type":"NodeCanvas.StateMachines.OnFSMEnter"}],"connections":[{"_condition":{"timeout":{"_value":1.0},"$type":"NodeCanvas.Tasks.Conditions.Timeout"},"_sourceNode":{"$ref":"0"},"_targetNode":{"$ref":"1"},"$type":"NodeCanvas.StateMachines.FSMConnection"},{"_condition":{"conditions":[{"target":{"_name":"target","_targetVariableID":"4a2889be-2a8a-4a68-ab49-fa456e2c9a19"},"maxDistance":{"_value":15.0},"layerMask":{"_value":{"value":255}},"awarnessDistance":{},"viewAngle":{"_value":90.0},"_invert":true,"$type":"NodeCanvas.Tasks.Conditions.CanSeeTarget"},{"checkTarget":{"_name":"target","_targetVariableID":"4a2889be-2a8a-4a68-ab49-fa456e2c9a19"},"checkType":1,"distance":{"_value":10.0},"$type":"NodeCanvas.Tasks.Conditions.CheckDistanceToGameObject"}],"$type":"NodeCanvas.Framework.ConditionList"},"_sourceNode":{"$ref":"0"},"_targetNode":{"$ref":"3"},"$type":"NodeCanvas.StateMachines.FSMConnection"},{"_condition":{"checkTarget":{"_name":"target","_targetVariableID":"4a2889be-2a8a-4a68-ab49-fa456e2c9a19"},"distance":{"_value":2.0},"$type":"NodeCanvas.Tasks.Conditions.CheckDistanceToGameObject"},"_sourceNode":{"$ref":"0"},"_targetNode":{"$ref":"4"},"_isDisabled":true,"$type":"NodeCanvas.StateMachines.FSMConnection"},{"_condition":{"probability":{"_value":1.0},"maxValue":{"_value":4.0},"$type":"NodeCanvas.Tasks.Conditions.Probability"},"_sourceNode":{"$ref":"1"},"_targetNode":{"$ref":"2"},"$type":"NodeCanvas.StateMachines.FSMConnection"},{"_sourceNode":{"$ref":"1"},"_targetNode":{"$ref":"0"},"$type":"NodeCanvas.StateMachines.FSMConnection"},{"_condition":{"target":{"_name":"target","_targetVariableID":"4a2889be-2a8a-4a68-ab49-fa456e2c9a19"},"maxDistance":{"_value":15.0},"layerMask":{"_value":{"value":255}},"awarnessDistance":{},"viewAngle":{"_value":90.0},"$type":"NodeCanvas.Tasks.Conditions.CanSeeTarget"},"_sourceNode":{"$ref":"3"},"_targetNode":{"$ref":"0"},"$type":"NodeCanvas.StateMachines.FSMConnection"}],"canvasGroups":[],"localBlackboard":{"_variables":{"testModelAnimator":{"_name":"testModelAnimator","_id":"7222df40-dd9e-41ce-a85a-a5221009180e","_isPublic":true,"$type":"NodeCanvas.Framework.Variable`1[[UnityEngine.Animator,
     UnityEngine.AnimationModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null]]"},"bodyAnimator":{"_name":"bodyAnimator","_id":"00b78a8a-fb9e-44d0-b9a8-81c6992abd41","_isPublic":true,"$type":"NodeCanvas.Framework.Variable`1[[UnityEngine.Animator,
     UnityEngine.AnimationModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null]]"}}}}'
   _objectReferences:
@@ -25,7 +28,7 @@ MonoBehaviour:
     _version: 3.31
     _category: 
     _comments: 
-    _translation: {x: 132, y: 296}
+    _translation: {x: 295, y: 409}
     _zoomFactor: 1
   _haltSerialization: 0
   _externalSerializationFile: {fileID: 0}

Assets/Scripts/Units/Graph Tasks/CircleTarget.cs

@@ -0,0 +1,164 @@
+using System;
+using NodeCanvas.Framework;
+using ParadoxNotion.Design;
+using Sirenix.Utilities;
+using UnityEngine;
+using Random = UnityEngine.Random;
+
+
+namespace Reset.Units {
+
+	[Category("Reset/Units")]
+	[Description("Gives the unit a new direction that causes them to circle the target.")]
+	public class CircleTarget : ActionTask<UnitMovementHandler>{
+		enum StrafeDirection{
+			Forward = 0, Backwards, Left, Right	
+		}
+		
+		// References
+		private IUnitTargetProvider targetProvider;
+		
+		// Pause settings
+		[Description("How long will this unit wait to stop moving and pause")]
+		public BBParameter<Vector2> pauseIntervalRange;
+		[Description("How long this unit will within paused movement")]
+		public BBParameter<Vector2> unpauseIntervalRange;
+		
+		// Speed settings
+		public BBParameter<Vector2> speedRange;
+		[Description("How long this unit will wait before switching movement speed")]
+		public BBParameter<Vector2> speedChangeIntervalRange;
+		[SliderField(0, 1)]
+		public BBParameter<float> speedSmoothing;
+		
+		// Strafe direction settings
+		[Description("How long this unit will wait before switching strafe direction")]
+		public BBParameter<Vector2> strafeDirectionChangeInterval; 
+		[SliderField(0, 1)]
+		public BBParameter<float> directionSmoothing;
+
+		// Pause state management
+		private bool isPaused;
+		private float lastPauseEnterTime;
+		private float lastPauseExitTime;
+		private float pauseChangeTimeElapsed;
+		private float nextPauseChangeTime;
+		
+		// Direct state management
+		private float lastDirectionChangeTime;
+		private float directionChangeTimeElapsed;
+		private StrafeDirection currentStrafeDirection;
+		private float nextDirectionChangeTime;
+		
+		// Speed state management
+		private float lastSpeedChangeTime;
+		private float speedChangeTimeElapsed;
+		private float currentSpeed;
+		private float nextSpeedChangeTime;
+		
+		//Use for initialization. This is called only once in the lifetime of the task.
+		//Return null if init was successfull. Return an error string otherwise
+		protected override string OnInit() {
+			if (pauseIntervalRange.value == Vector2.zero){ Debug.LogError($"Please set a setting for pause intervals on {agent.name}", agent.gameObject);}
+			if (unpauseIntervalRange.value == Vector2.zero){ Debug.LogError($"Please set a setting for unpause intervals on {agent.name}", agent.gameObject);}
+			if (speedRange.value == Vector2.zero){ Debug.LogError($"Please set a setting for speed range on {agent.name}", agent.gameObject);}
+			if (speedChangeIntervalRange.value == Vector2.zero){ Debug.LogError($"Please set a setting for speed change intervals on {agent.name}", agent.gameObject);}
+			if (strafeDirectionChangeInterval.value == Vector2.zero){ Debug.LogError($"Please set a setting for strafe direction change intervals on {agent.name}", agent.gameObject);}
+			
+			// Get reference to target provider
+			targetProvider = agent.gameObject.GetComponent<IUnitTargetProvider>();
+			
+			return null;
+		}
+
+		//This is called once each time the task is enabled.
+		//Call EndAction() to mark the action as finished, either in success or failure.
+		//EndAction can be called from anywhere.
+		protected override void OnExecute(){
+			// Reset timers
+			lastPauseEnterTime = 0f;
+			lastPauseExitTime = 0f;
+			pauseChangeTimeElapsed = 0f;
+			lastDirectionChangeTime = 0f;
+			directionChangeTimeElapsed = 0f;
+			
+			// Initialize with direction
+			currentStrafeDirection = (StrafeDirection)Random.Range(0, 3);
+		}
+
+		//Called once per frame while the action is active.
+		protected override void OnUpdate() {
+			// Set a new direction
+			agent.SetNewDirection(GetVector3Direction().ToVector2(), directionSmoothing.value, true);
+			
+			// Set paused or set new speed if unpaused
+			if (isPaused) {
+				agent.SetNewSpeed(0f, speedSmoothing.value, true);
+			} else {
+				agent.SetNewSpeed(currentSpeed, speedSmoothing.value, true);
+			}
+			
+			// Check the timers
+			CheckForChange();
+		}
+
+		// Method to quickly transform a strafe direction into a Vector3
+		Vector3 GetVector3Direction(){
+			switch (currentStrafeDirection) {
+				case StrafeDirection.Forward:
+					return agent.transform.position.DirectionTo(targetProvider.UnitTarget.transform.position);
+				case StrafeDirection.Backwards:
+					return -agent.transform.position.DirectionTo(targetProvider.UnitTarget.transform.position);
+				case StrafeDirection.Left:
+					return Quaternion.AngleAxis(-90f, Vector3.up) * agent.transform.position.DirectionTo(targetProvider.UnitTarget.transform.position);
+				case StrafeDirection.Right:
+					return Quaternion.AngleAxis(90f, Vector3.up) * agent.transform.position.DirectionTo(targetProvider.UnitTarget.transform.position);
+				default:
+					return Vector3.zero;
+			}
+		}
+
+		void SetNewPauseChangeTime(){
+			if (isPaused) {
+				nextPauseChangeTime = elapsedTime + Random.Range(unpauseIntervalRange.value.x, unpauseIntervalRange.value.y);
+			} else {
+				nextPauseChangeTime = elapsedTime + Random.Range(pauseIntervalRange.value.x, pauseIntervalRange.value.y);
+			}
+		}
+
+		void SetNewSpeedChangeTime(){
+			nextSpeedChangeTime = elapsedTime + Random.Range(speedChangeIntervalRange.value.x, speedChangeIntervalRange.value.y);
+		}
+
+		void SetNewDirectionChangeTime(){
+			nextDirectionChangeTime = elapsedTime + Random.Range(strafeDirectionChangeInterval.value.x, strafeDirectionChangeInterval.value.y);
+		}
+
+		void CheckForChange(){
+			if (nextPauseChangeTime > elapsedTime) {
+				isPaused = !isPaused;
+				SetNewPauseChangeTime();
+			}
+
+			if (nextSpeedChangeTime > elapsedTime) {
+				currentSpeed = Random.Range(speedRange.value.x, speedRange.value.y);
+				SetNewSpeedChangeTime();
+			}
+
+			if (nextDirectionChangeTime > elapsedTime) {
+				currentStrafeDirection = (StrafeDirection)Random.Range(0, 3);
+				SetNewDirectionChangeTime();
+			}
+		}
+
+		//Called when the task is disabled.
+		protected override void OnStop() {
+			
+		}
+
+		//Called when the task is paused.
+		protected override void OnPause() {
+			
+		}
+	}
+}

Assets/Scripts/Units/Graph Tasks/CircleTarget.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 9f9afac70b34c5e44b747e86f7491aa3