Remove enemy on many hits, multiple rocket hits

Also added an object pool limit but buffing the rockets seemed to be better

Assets/Prefabs/Enemy.prefab

@@ -146,3 +146,4 @@ MonoBehaviour:
   target: {fileID: 0}
   speed: 6.5
   flyForce: 30
+  finalHealth: 3

Assets/Scenes/SampleScene.unity

@@ -121,6 +121,87 @@ NavMeshSettings:
     debug:
       m_Flags: 0
   m_NavMeshData: {fileID: 0}
+--- !u!1 &416234157
+GameObject:
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+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
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+  - component: {fileID: 416234158}
+  m_Layer: 0
+  m_Name: cloudLayer1
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!212 &416234158
+SpriteRenderer:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 416234157}
+  m_Enabled: 1
+  m_CastShadows: 0
+  m_ReceiveShadows: 0
+  m_DynamicOccludee: 1
+  m_MotionVectors: 1
+  m_LightProbeUsage: 1
+  m_ReflectionProbeUsage: 1
+  m_RayTracingMode: 0
+  m_RenderingLayerMask: 1
+  m_RendererPriority: 0
+  m_Materials:
+  - {fileID: 10754, guid: 0000000000000000f000000000000000, type: 0}
+  m_StaticBatchInfo:
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+    subMeshCount: 0
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+  m_ProbeAnchor: {fileID: 0}
+  m_LightProbeVolumeOverride: {fileID: 0}
+  m_ScaleInLightmap: 1
+  m_ReceiveGI: 1
+  m_PreserveUVs: 0
+  m_IgnoreNormalsForChartDetection: 0
+  m_ImportantGI: 0
+  m_StitchLightmapSeams: 1
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+  m_MinimumChartSize: 4
+  m_AutoUVMaxDistance: 0.5
+  m_AutoUVMaxAngle: 89
+  m_LightmapParameters: {fileID: 0}
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+  m_SortingLayer: -3
+  m_SortingOrder: 0
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+  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_FlipX: 0
+  m_FlipY: 0
+  m_DrawMode: 0
+  m_Size: {x: 10.24, y: 4}
+  m_AdaptiveModeThreshold: 0.5
+  m_SpriteTileMode: 0
+  m_WasSpriteAssigned: 1
+  m_MaskInteraction: 0
+  m_SpriteSortPoint: 0
+--- !u!4 &416234159
+Transform:
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+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 416234157}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: -5.46, y: 3.54, 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!1 &996257474
 GameObject:
   m_ObjectHideFlags: 0
@@ -419,9 +500,9 @@ SpriteRenderer:
   m_LightmapParameters: {fileID: 0}
   m_SortingLayerID: 1324642093
   m_SortingLayer: -3
-  m_SortingOrder: 0
+  m_SortingOrder: 1
   m_Sprite: {fileID: 21300000, guid: 945baed7357a5d9c69e6f65181575af1, type: 3}
-  m_Color: {r: 0, g: 0.5, b: 0.06972909, a: 1}
+  m_Color: {r: 0.5707547, g: 1, b: 0.63111734, a: 1}
   m_FlipX: 0
   m_FlipY: 0
   m_DrawMode: 0
@@ -820,7 +901,7 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   spawnPos: {fileID: 1692511764}
   timeBetweenSpawns: 2
-  maxEnemyCount: 3
+  maxEnemyCount: 6
   enemyPrefab: {fileID: 7250562544566202694, guid: ef6e23d6fe1e28e8c809679081854c6a,
     type: 3}
   target: {fileID: 2053847422}

Assets/Scripts/EnemyController.cs

@@ -1,13 +1,18 @@
-using System.Collections;
+using System;
+using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
+using Random = System.Random;
 
 public class EnemyController : MonoBehaviour
 {
     public Transform target;
     public float speed;
     public float flyForce;
+    public short finalHealth = 3;
     private Rigidbody2D _rb;
+    private short _hitsToRemove;
+    private Random _random = new Random();
     
     // Start is called before the first frame update
     void Start()
@@ -15,6 +20,11 @@ public class EnemyController : MonoBehaviour
         _rb = GetComponent<Rigidbody2D>();
     }
 
+    private void OnEnable()
+    {
+        _hitsToRemove = finalHealth;
+    }
+
     // Update is called once per frame
     void FixedUpdate()
     {
@@ -33,7 +43,8 @@ public class EnemyController : MonoBehaviour
         }
 
         diff.Normalize();
-        _rb.AddForce(diff * (speed * _rb.mass * _rb.gravityScale));
+        float sp = ((float) _random.NextDouble() / 2f + 1f) * speed; //1 és 1.5 közötti szorzó
+        _rb.AddForce(diff * (sp * _rb.mass * _rb.gravityScale));
         if (diff.x * transform.localScale.x < 0) //Ha másfelé néz, mint amerre megy
         {
             var scale = tr.localScale;
@@ -42,7 +53,7 @@ public class EnemyController : MonoBehaviour
         }
     }
 
-    public void Die()
+    private void Die()
     {
         _rb.mass = 0.00001f;
         _rb.gravityScale = 0.01f;
@@ -50,4 +61,22 @@ public class EnemyController : MonoBehaviour
     }
 
     public bool IsAlive() => _rb.mass > 0.001f;
+
+    private void HitWhileFlying()
+    {
+        _hitsToRemove--;
+        if (_hitsToRemove == 0)
+        {
+            _rb.velocity = Vector2.zero;
+            gameObject.SetActive(false);
+        }
+    }
+
+    public void Hit()
+    {
+        if (IsAlive())
+            Die();
+        else
+            HitWhileFlying();
+    }
 }

Assets/Scripts/EnemySpawner.cs

@@ -29,6 +29,7 @@ public class EnemySpawner : MonoBehaviour
             {
                 var pos = transform.position + _diff;
                 var enemy = _pool.GetObject();
+                if (enemy is null) break;
                 enemy.transform.position = new Vector3(pos.x, spawnPos.position.y, pos.z);
                 var rb = enemy.GetComponent<Rigidbody2D>();
                 rb.mass = 1f;

Assets/Scripts/ObjectPool.cs

@@ -18,9 +18,10 @@ public class ObjectPool
     /// Visszaad egy új objektumot. Aktiválandó, használat után pedig deaktiválandó.
     /// </summary>
     /// <returns>Egy objektum a poolból.</returns>
-    public GameObject GetObject()
+    public GameObject GetObject(short maxCount = 0)
     {
         GameObject theRocket = null;
+        int c = 0;
         foreach (var rocket in _objects)
         {
             if (!rocket.activeSelf)
@@ -28,6 +29,10 @@ public class ObjectPool
                 theRocket = rocket;
                 break;
             }
+
+            c++;
+            if (c == maxCount)
+                return null;
         }
 
         if (theRocket is null)

Assets/Scripts/RocketScript.cs

@@ -8,6 +8,9 @@ public class RocketScript : MonoBehaviour
     private float _fired;
     private Rigidbody2D _rb;
     private bool _goingRight;
+    private byte _hitCount;
+
+    public byte maxHits = 3;
     
     // Start is called before the first frame update
     void Start()
@@ -19,6 +22,7 @@ public class RocketScript : MonoBehaviour
     {
         _fired = Time.fixedTime;
         _goingRight = transform.localScale.x > 0;
+        _hitCount = 0;
     }
 
     // Update is called once per frame
@@ -38,11 +42,11 @@ public class RocketScript : MonoBehaviour
     {
         if (!other.gameObject.CompareTag("Enemy"))
             return;
+        if (_hitCount >= maxHits)
             gameObject.SetActive(false);
         _rb.velocity = Vector2.zero;
-        //other.gameObject.SetActive(false);
         var ec = other.gameObject.GetComponent<EnemyController>();
-        if (ec.IsAlive())
-            ec.Die();
+        ec.Hit();
+        _hitCount++;
     }
 }