Entity when target is dead, start roaming

Assets/Prefabs/Gladiator.prefab

@@ -96,14 +96,15 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: c537e1bd61b8d5c42b1ec03f90e14855, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  <Health>k__BackingField: 0
+  <Health>k__BackingField: 100
-  fov: 0
+  <movementSpeed>k__BackingField: 5
-  attackRange: 1.5
+  <rotSpeed>k__BackingField: 3
-  attackDmg: 10
+  fov: 30
+  <attackRange>k__BackingField: 1.5
+  <attackDmg>k__BackingField: 10
   attackCooldown: 1
   target: {fileID: 0}
   stats: {fileID: 11400000, guid: 9d8a9a664d932d0498d5eca7607eeb53, type: 2}
-  ennemyName: Monster
 --- !u!58 &3988163462708087662
 CircleCollider2D:
   m_ObjectHideFlags: 0

Assets/Prefabs/Monster.prefab

@@ -96,12 +96,12 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 7e480b0ef5998894283e8091830941cb, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  <Health>k__BackingField: 0
+  <Health>k__BackingField: 100
-  movementSpeed: 2
+  <movementSpeed>k__BackingField: 2
-  rotSpeed: 3
+  <rotSpeed>k__BackingField: 3
-  fov: 0
+  fov: 30
-  attackRange: 1.5
+  <attackRange>k__BackingField: 1.5
-  attackDmg: 10
+  <attackDmg>k__BackingField: 5
   attackCooldown: 1
   target: {fileID: 0}
   stats: {fileID: 11400000, guid: 9d8a9a664d932d0498d5eca7607eeb53, type: 2}

Assets/Scenes/SoulahaScene.unity

@@ -248,26 +248,6 @@ PrefabInstance:
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       value: 0
       objectReference: {fileID: 0}
-    - target: {fileID: 197677485360569566, guid: b25a487d193f24049b6a791adf592b2e, type: 3}
-      propertyPath: fov
-      value: 30
-      objectReference: {fileID: 0}
-    - target: {fileID: 197677485360569566, guid: b25a487d193f24049b6a791adf592b2e, type: 3}
-      propertyPath: <Health>k__BackingField
-      value: 100
-      objectReference: {fileID: 0}
-    - target: {fileID: 197677485360569566, guid: b25a487d193f24049b6a791adf592b2e, type: 3}
-      propertyPath: <rotSpeed>k__BackingField
-      value: 3
-      objectReference: {fileID: 0}
-    - target: {fileID: 197677485360569566, guid: b25a487d193f24049b6a791adf592b2e, type: 3}
-      propertyPath: <attackDmg>k__BackingField
-      value: 10
-      objectReference: {fileID: 0}
-    - target: {fileID: 197677485360569566, guid: b25a487d193f24049b6a791adf592b2e, type: 3}
-      propertyPath: <movementSpeed>k__BackingField
-      value: 5
-      objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: b25a487d193f24049b6a791adf592b2e, type: 3}
 --- !u!1001 &1359990804
@@ -513,32 +493,42 @@ PrefabInstance:
       propertyPath: m_LocalEulerAnglesHint.z
       value: 0
       objectReference: {fileID: 0}
-    - target: {fileID: 2399377275812995974, guid: 5f633c05dee3f4b4784f5702b2365f02, type: 3}
-      propertyPath: fov
-      value: 30
-      objectReference: {fileID: 0}
-    - target: {fileID: 2399377275812995974, guid: 5f633c05dee3f4b4784f5702b2365f02, type: 3}
-      propertyPath: <Health>k__BackingField
-      value: 100
-      objectReference: {fileID: 0}
-    - target: {fileID: 2399377275812995974, guid: 5f633c05dee3f4b4784f5702b2365f02, type: 3}
-      propertyPath: <rotSpeed>k__BackingField
-      value: 3
-      objectReference: {fileID: 0}
-    - target: {fileID: 2399377275812995974, guid: 5f633c05dee3f4b4784f5702b2365f02, type: 3}
-      propertyPath: <attackDmg>k__BackingField
-      value: 10
-      objectReference: {fileID: 0}
-    - target: {fileID: 2399377275812995974, guid: 5f633c05dee3f4b4784f5702b2365f02, type: 3}
-      propertyPath: <movementSpeed>k__BackingField
-      value: 2
-      objectReference: {fileID: 0}
     - target: {fileID: 2399377275812995980, guid: 5f633c05dee3f4b4784f5702b2365f02, type: 3}
       propertyPath: m_Name
       value: Monster
       objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 5f633c05dee3f4b4784f5702b2365f02, type: 3}
+--- !u!1 &1836818727
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 1836818728}
+  m_Layer: 0
+  m_Name: GameObject
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!4 &1836818728
+Transform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1836818727}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 14.96, y: -6.01, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_Children: []
+  m_Father: {fileID: 0}
+  m_RootOrder: 6
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!1001 &1942557562
 PrefabInstance:
   m_ObjectHideFlags: 0

Assets/Scripts/AI Stats.asset

@@ -13,3 +13,16 @@ MonoBehaviour:
   m_Name: AI Stats
   m_EditorClassIdentifier: 
   closeEnough: 2
+  roamPositions:
+  - {x: -14, y: 6, z: 0}
+  - {x: -14, y: 0, z: 0}
+  - {x: -14, y: -6, z: 0}
+  - {x: -5, y: 6, z: 0}
+  - {x: -5, y: 0, z: 0}
+  - {x: -5, y: -6, z: 0}
+  - {x: 5, y: 6, z: 0}
+  - {x: 5, y: 0, z: 0}
+  - {x: 5, y: -6, z: 0}
+  - {x: 14, y: 0, z: 0}
+  - {x: 14, y: 0, z: 0}
+  - {x: 14, y: 0, z: 0}

Assets/Scripts/AIEntity.cs

@@ -7,7 +7,7 @@ public class AIEntity : Entity
 {
     [SerializeField] AIStats stats = null!;
     BaseState currentState = null!;
-    public string ennemyName {get; protected set; }
+    public string enemyName {get; protected set; }
     override protected void Awake(){
         base.Awake();
 		currentState = new FindTargetState(this);
@@ -49,6 +49,9 @@ public class AIEntity : Entity
         }
 
         public override BaseState? UpdateState(){
+            if(!entity.IsAlive()){
+                return new DeadState(entity);
+            }
             Entity targetEntity = entity.GetTarget().GetComponent<Entity>();
             if(targetEntity != null){
                 if(targetEntity.IsAlive()){//target is alive, keep chasing it 
@@ -74,15 +77,19 @@ public class AIEntity : Entity
 
     class FindTargetState : BaseStateAI{
         float closeEnough;
+        Vector3 roamPosition;
         public FindTargetState(AIEntity entity) : base(entity){
         }
 
         public override BaseState? UpdateState(){
+            if(!entity.IsAlive()){
+                return new DeadState(entity);
+            }
             Entity[] entities = FindObjectsOfType<Entity>();
             float lastDist = float.MaxValue;
             Entity chosenEntity = null!;
             foreach (Entity other in entities){// Find the closest entity
-                if(other.name == entity.ennemyName && other.IsAlive()){
+                if(other.name == entity.enemyName && other.IsAlive()){
                     float distance = Vector2.Distance(other.transform.position, entity.transform.position);
                     if(distance < lastDist){
                         lastDist = distance;
@@ -93,10 +100,24 @@ public class AIEntity : Entity
             }
             if(chosenEntity != null){
                 entity.SetTarget(chosenEntity.transform);
-            }else{
-                return new RoamState(entity);
-            }
                 return new SeekState(entity);
+            }else{
+                if(roamPosition == new Vector3()) roamPosition = entity.stats.getRandomRoamPositon();
+                return null;
+            }
+        }
+
+        public override BaseState? FixedUpdateState(){
+            if(roamPosition == new Vector3()){
+                return null;
+            }
+            entity.direction = Vector3.RotateTowards(entity.direction, (roamPosition - entity.transform.position), entity.rotSpeed*Time.fixedDeltaTime, 0.0f);
+            if(Vector2.Distance(entity.transform.position, roamPosition) >= entity.attackRange){
+                entity.rb.MovePosition(entity.transform.position + entity.direction * entity.movementSpeed * Time.fixedDeltaTime);
+            }else{
+                roamPosition = entity.stats.getRandomRoamPositon();
+            }
+            return null;
         }
 
     }
@@ -106,6 +127,9 @@ public class AIEntity : Entity
         }
 
         public override BaseState? UpdateState(){
+            if(!entity.IsAlive()){
+                return new DeadState(entity);
+            }
             if(entity.IsInAttackRange()){
                 if(entity.attackTimer >= entity.attackCooldown){
                     entity.attackTimer = 0;
@@ -133,9 +157,15 @@ public class AIEntity : Entity
         }
     }
 
-    class RoamState : BaseStateAI{
+    class DeadState : BaseStateAI{
-        public RoamState(AIEntity entity) : base(entity){
+        public DeadState(AIEntity entity) : base(entity){
-            Debug.Log("Roaming!");
+            Debug.Log("Dead!");
+        }
+
+        public override BaseState? UpdateState(){
+            
+
+            return null;
         }
     }
 }

Assets/Scripts/AIStats.cs

@@ -3,4 +3,10 @@ using UnityEngine;
 [CreateAssetMenu]
 public class AIStats : ScriptableObject {
 	public float closeEnough = 1f;
+    public Vector3[] roamPositions = null!;
+
+    public Vector3 getRandomRoamPositon(){
+        int randInd = Random.Range(0,roamPositions.Length-1);
+        return roamPositions[randInd];
+    }
 }

Assets/Scripts/Entity.cs

@@ -10,7 +10,7 @@ public class Entity : MonoBehaviour
     [field: SerializeField]public float movementSpeed{get; private set; }
     [field: SerializeField]public float rotSpeed {get; private set; }
     [field: SerializeField]private float fov;
-    [field: SerializeField]private float attackRange;
+    [field: SerializeField]protected float attackRange {get; private set; }
     [field: SerializeField]protected float attackDmg {get; private set; }
     [field: SerializeField]protected float attackCooldown;
     protected float attackTimer;
@@ -61,7 +61,8 @@ public class Entity : MonoBehaviour
     }
 
     protected bool IsInAttackRange(){
-        return Vector2.Distance(transform.position, target.position) <= attackRange;
+        float distance = Vector2.Distance(transform.position, target.position);
+        return  distance <= attackRange;
     }
 
     protected bool IsLookingAtTarget(){

Assets/Scripts/Gladiator.cs

@@ -9,7 +9,7 @@ public class Gladiator : AIEntity
     {
         base.Start();
         base.entityName = "Gladiator";
-        base.ennemyName = "Monster";
+        base.enemyName = "Monster";
     }
 
 }

Assets/Scripts/Monster.cs

@@ -9,7 +9,7 @@ public class Monster : AIEntity
     {
         base.Start();
         base.entityName = "Monster";
-        base.ennemyName = "Gladiator";
+        base.enemyName = "Gladiator";
     }
 
 }