added character spawner script, spawn and destroy characters

Assets/Scripts/Character.cs

@@ -1,4 +1,5 @@
 using System.Linq;
+using System;
 using UnityEngine;
 
 public abstract class Character : MonoBehaviour
@@ -11,13 +12,11 @@ public abstract class Character : MonoBehaviour
     protected GameObject _bonesSide;
     [SerializeField]
     protected GameObject _bonesBack;
-    [SerializeField]
-    protected GameObject _spawnPoint;
+ 
 
     [SerializeField]
     private LayerMask _mapLayer;
    
-
     protected SpriteRenderer _spriteRenderer;
 
 
@@ -36,20 +35,16 @@ public abstract class Character : MonoBehaviour
     protected bool isAllowLeft = true;
     private Vector2 _cellSize;
 
+    public event EventHandler OnCharacterDeath;
+
     private void Start()
     {
         _body = GetComponent<Rigidbody2D>();
         _capsuleCollider = GetComponent<CapsuleCollider2D>();
         _spriteRenderer = GetComponentInChildren<SpriteRenderer>();
-        _cellSize = new Vector2(0.6f, 1f);
-        Spawn();
+        _cellSize = new Vector2(0.6f, 1f);        
     }
-
-    protected void Spawn()
-    {
-        transform.position = _spawnPoint.transform.position;
-    }
-
+    
     protected void MoveTo(float inputHorizontal, float inputVertical)
     {
         var block = GetMapElement();
@@ -132,9 +127,9 @@ public abstract class Character : MonoBehaviour
 
     }
 
-    private void Death()
+    protected void Death()
     {
-        OnDeath();
+        OnCharacterDeath?.Invoke(this,EventArgs.Empty);
     }
 
     private bool CanClimbUp()
@@ -174,7 +169,6 @@ public abstract class Character : MonoBehaviour
         return mapElement;
     }
 
-    protected abstract void OnDeath();
     protected abstract void SetWalkingAnimation(bool isWalking);
     protected abstract void SetClimbingAnimation(bool isClimbing);
 

Assets/Scripts/CharacterSpawner.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class CharacterSpawner : MonoBehaviour
+{
+    [SerializeField]
+    private GameObject _prefab;
+
+    [SerializeField]
+    private int _maxCharacters=1;
+
+    [SerializeField]
+    private Transform _spawnPoint;
+
+    private int _respawnTimeout = 4;
+    private float _respawnElementTimer;
+
+    private List<Character> _characters;
+
+    // Start is called before the first frame update
+    private void Start()
+    {
+        if(_spawnPoint==null)
+        {
+            _spawnPoint=gameObject.transform;
+        }
+        _characters=new List<Character>();
+    }
+
+    // Update is called once per frame
+    private void Update()
+    {
+         if(_characters.Count<_maxCharacters)
+        {
+            _respawnElementTimer -= Time.deltaTime;
+            if (_respawnElementTimer <= 0)
+            {
+                _respawnElementTimer = _respawnTimeout;
+                var prefab= Instantiate(_prefab, _spawnPoint.position, _spawnPoint.rotation);
+                var character=prefab.GetComponent<Character>();
+                character.OnCharacterDeath+=OnCharacterDeath;
+                
+                _characters.Add(character);
+            }
+            return;
+        }
+    }
+
+    private void OnCharacterDeath(object sender, EventArgs e)
+    {
+        var character=(sender as Character);
+        character.OnCharacterDeath-=OnCharacterDeath;
+        _characters.Remove(character);
+        Destroy(character.gameObject);
+    }
+}

Assets/Scripts/CharacterSpawner.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 4eeeff2f5d376d04793a6175a82f037c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/EnemyAI.cs

@@ -2,16 +2,6 @@
 
 public class EnemyAI : Character
 {
-    private bool _needRespawn = false;
-    private int _respawnTimeout = 4;
-    private float _respawnElementTimer;
-
-    protected override void OnDeath()
-    {
-       _needRespawn = true;
-       _spriteRenderer.enabled =false;
-    }
-
     protected override void SetClimbingAnimation(bool isClimbing)
     {
     }
@@ -22,19 +12,6 @@ public class EnemyAI : Character
 
     private void Update()
     {
-        if(_needRespawn)
-        {
-            _respawnElementTimer -= Time.deltaTime;
-            if (_respawnElementTimer <= 0)
-            {
-                _respawnElementTimer = _respawnTimeout;
-                _needRespawn = false;
-                _spriteRenderer.enabled =true;
-                Spawn();
-            }
-            return;
-        }
-
         float horizontal = 0;
         float vertical = 0;
 
@@ -56,7 +33,6 @@ public class EnemyAI : Character
         {
             if (Mathf.Abs(Player.Instance.transform.position.x - transform.position.x) < 0.1f)
             {
-                print($"horizontal block");
                 horizontal = 0;
             }
             else if (directionToPlayer.x < 0)
@@ -65,7 +41,6 @@ public class EnemyAI : Character
             { horizontal = 1; }
 
         }
-        print($"horizontal {horizontal}");
 
         if (Input.GetKey(KeyCode.T))
         { vertical = 1; }

Assets/Scripts/Player.cs

@@ -118,17 +118,14 @@ public class Player : Character
         _animator.SetBool("Climb", isClimbing);
     }
 
-    protected override void OnDeath()
+    protected void OnDeath()
     {
         Lives--;
-        Spawn(); 
         
         if (Lives==0)
         {
             print("game over");
         }
-        
-        
     }
 }