Pool expands itself in case.

Author: ertanturan

Assets/Scenes/Main.unity

@@ -149,7 +149,7 @@ Transform:
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 5
+  m_RootOrder: 4
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!114 &31903662
 MonoBehaviour:
@@ -167,15 +167,11 @@ MonoBehaviour:
   - Tag: 0
     Prefab: {fileID: 7656099617140954774, guid: 28715032db92b744a8e96b5161ec036c,
       type: 3}
-    Size: 200
+    Size: 10
   - Tag: 10
     Prefab: {fileID: 5893199740330628399, guid: 0e0865df4c258b44aae355574015c698,
       type: 3}
-    Size: 200
-  - Tag: 20
-    Prefab: {fileID: 7759290838618530551, guid: 17571cfc482d06d4484dac8e9d43514f,
-      type: 3}
-    Size: 5
+    Size: 10
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 GameObject:
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@@ -440,87 +436,8 @@ Transform:
   m_LocalScale: {x: 20, y: 20, z: 20}
   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 4
+  m_RootOrder: 3
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
---- !u!1001 &1722596145
-PrefabInstance:
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-  serializedVersion: 2
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-      value: SphereSpawner
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-    - target: {fileID: 2177757300998581469, guid: bd4d1f98f4d30434ba7078f3b5219708,
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-      value: 0
-      objectReference: {fileID: 0}
-    - target: {fileID: 2177757300998581469, guid: bd4d1f98f4d30434ba7078f3b5219708,
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-      value: 0
-      objectReference: {fileID: 0}
-    - target: {fileID: 2177757300998581466, guid: bd4d1f98f4d30434ba7078f3b5219708,
-        type: 3}
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-      value: 0.1
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@@ -536,7 +453,7 @@ PrefabInstance:
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         type: 3}
       propertyPath: m_LocalPosition.x
-      value: 10
+      value: 23.66
       objectReference: {fileID: 0}
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@@ -591,7 +508,7 @@ PrefabInstance:
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         type: 3}
       propertyPath: SpawnRate
-      value: 0.2
+      value: 0.5
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Assets/Scripts/ObjectPool/ObjectPooler.cs

@@ -4,40 +4,43 @@
 
 public class ObjectPooler : MonoBehaviour
 {
-  
 
-    public Dictionary<string, Queue<GameObject>> PoolDictionary;
+    public Dictionary<PooledObjectType, Queue<GameObject>> PoolDictionary;
     public List<PoolObjects> Pool;
 
-    #region Singleton
+    private Dictionary<PooledObjectType, int> _poolIndexes = new Dictionary<PooledObjectType, int>();
+    private Dictionary<PooledObjectType, Transform> _poolMasters = new Dictionary<PooledObjectType, Transform>();
+
     public static ObjectPooler Instance;
 
     private void Awake()
     {
         Instance = this;
     }
-    #endregion
 
-    // Start is called before the first frame update
-    void Start()
+    private void Start()
     {
-        PoolDictionary = new Dictionary<string, Queue<GameObject>>();
+        PoolDictionary = new Dictionary<PooledObjectType, Queue<GameObject>>();
 
         GameObject master = new GameObject("Pool");
 
-        foreach (PoolObjects pool in Pool)
+        for (int j = 0; j < Pool.Count; j++)
         {
-            GameObject poolSpecifiMaster = new GameObject(pool.Tag.ToString());
+            GameObject poolSpecifiMaster = new GameObject(Pool[j].Tag.ToString());
             poolSpecifiMaster.transform.parent = master.transform;
 
             Queue<GameObject> objectPool = new Queue<GameObject>();
+            _poolIndexes.Add(Pool[j].Tag, j);
+
+            _poolMasters.Add(Pool[j].Tag, poolSpecifiMaster.transform);
+
 
-            for (int i = 0; i < pool.Size; i++)
+            for (int i = 0; i < Pool[j].Size; i++)
             {
-                GameObject obj = Instantiate(pool.Prefab);
+                GameObject obj = Instantiate(Pool[j].Prefab);
                 obj.transform.parent = poolSpecifiMaster.transform;
 
-                if(obj.GetComponent<IPooledObject>()==null)
+                if (obj.GetComponent<IPooledObject>() == null)
                 {
                     obj.AddComponent<PooledObject>();
                 }
@@ -46,36 +49,84 @@ void Start()
                 objectPool.Enqueue(obj);
             }
 
-            PoolDictionary.Add(pool.Tag.ToString(), objectPool);
-
+            PoolDictionary.Add(Pool[j].Tag, objectPool);
         }
+
     }
 
     public GameObject SpawnFromPool(PooledObjectType tag, Vector3 pos, Quaternion rot)
     {
-        if (!PoolDictionary.ContainsKey(tag.ToString())) { Debug.LogWarning("PoolObjects with Tag " + tag + " doesn't exist .."); return null; }
 
-        GameObject objToSpawn = PoolDictionary[tag.ToString()].Dequeue();
-        objToSpawn.SetActive(true);
-        objToSpawn.transform.position = pos;
-        objToSpawn.transform.rotation = rot;
+        if (!PoolDictionary.ContainsKey(tag))
+        {
+            Debug.LogWarning("PoolObjects with Tag " + tag + " doesn't exist ..");
+            return null;
+        }
+
+        GameObject objToSpawn;
+
+
+        if(PoolDictionary[tag].Count!=0)
+        {
+            objToSpawn = PoolDictionary[tag].Peek();
+            objToSpawn.SetActive(true);
+            objToSpawn.transform.position = pos;
+            objToSpawn.transform.rotation = rot;
+
+            IPooledObject iPooledObj = objToSpawn.GetComponent<IPooledObject>();
+            iPooledObj.Init();
+            iPooledObj.OnObjectSpawn();
+
+            PoolDictionary[tag].Dequeue();
+        }
+        else
+        {
+            objToSpawn = ExpandPool(tag, pos, rot);
+        }
+
 
-        IPooledObject iPooledObj = objToSpawn.GetComponent<IPooledObject>();
-        iPooledObj.Init();
-        iPooledObj.OnObjectSpawn();
 
-        PoolDictionary[tag.ToString()].Enqueue(objToSpawn);
+
+
+
+        Debug.Log(PoolDictionary[tag].Count);
+
         return objToSpawn;
     }
 
-    public void Despawn(PooledObjectType tag)
+    public void Despawn(PooledObjectType tag,GameObject obj)
+    {
+
+        PoolDictionary[tag].Enqueue(obj);
+
+        IPooledObject iPooledObj = obj.GetComponent<IPooledObject>();
+        if (iPooledObj != null) iPooledObj.OnObjectDespawn();
+        obj.SetActive(false);
+
+    }
+
+    private GameObject ExpandPool(PooledObjectType tag, Vector3 pos, Quaternion rot)
     {
-        GameObject objToDespawn = PoolDictionary[tag.ToString()].Dequeue();
-        objToDespawn.SetActive(false);
-        objToDespawn.transform.position = Vector3.zero;
-        IPooledObject iPooledObj = objToDespawn.GetComponent<IPooledObject>();
-        if (iPooledObj!=null) iPooledObj.OnObjectDespawn();
-    
+        int index = _poolIndexes[tag];
+        GameObject temp = Instantiate(Pool[index].Prefab);
+        temp.SetActive(true);
+        temp.transform.SetParent(_poolMasters[tag]);
+
+        temp.transform.position = pos;
+        temp.transform.rotation = rot;
+
+        IPooledObject iPooledObj = temp.GetComponent<IPooledObject>();
+        iPooledObj.Init();
+        iPooledObj.OnObjectSpawn();
+
+
+        PoolDictionary[tag].Enqueue(temp);
+
+        Pool[index].Size++;
+
+        return temp;
+        //Pool.Add();
+
     }
 
 }

Assets/Scripts/ObjectPool/PooledObject.cs

@@ -1,11 +1,19 @@
-using System.Collections;
+using System;
+using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
+using Random = UnityEngine.Random;
 
 public class PooledObject : MonoBehaviour, IPooledObject
 {
+
     private Rigidbody _rb;
 
+    public PooledObjectType Type;
+
+    private float _timer = 3f;
+
+
     public virtual void OnObjectSpawn()
     {
         _rb.velocity = Vector3.zero;
@@ -20,6 +28,7 @@ public virtual void Init()
     {
         _rb = GetComponent<Rigidbody>();
         AddRandomForce();
+        _timer = 3f;
     }
 
     public virtual void AddRandomForce()
@@ -33,4 +42,16 @@ public virtual void AddRandomForce()
         _rb.AddForce(random);
     }
 
- }
+    private void Update()
+    {
+        if (_timer > 0)
+        {
+            _timer -= Time.deltaTime;
+        }
+        else
+        {
+            ObjectPooler.Instance.Despawn(Type,gameObject);
+        }
+    }
+
+}

Assets/Scripts/ObjectPool/PooledObjects.cs

@@ -1,7 +1,7 @@
 using UnityEngine;
 
 [System.Serializable]
-public struct PoolObjects
+public class PoolObjects
 {
     public PooledObjectType Tag;
     public GameObject Prefab;

Assets/Scripts/PooledObjects/Sphere.cs

@@ -4,7 +4,6 @@
 
 public class Sphere : PooledObject
 {
-    public PooledObjectType Type;
 
     public override void Init()
     {

Assets/Scripts/Spawner.cs

@@ -22,10 +22,15 @@ void Update()
         }
         else
         {
+
+
             GameObject obj = ObjectPooler.Instance.SpawnFromPool(Type, transform.position, Random.rotation);
+
             obj.GetComponent<IPooledObject>().Init();
             obj.GetComponent<IPooledObject>().OnObjectSpawn();
+
             _timer = SpawnRate;
+
         }
     }
 }