Stacks added, the nodes can rotate

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Assets/Scripts/General Purpose/DestroyableObject.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class DestroyableObject : MonoBehaviour
+{
+    [SerializeField] public int health;
+
+    // Decrement health and returns true if health turned to zero
+    public bool TakeDamage(int damage)
+    {
+        health -= damage;
+        if(health <= 0)
+        {
+            Destroy(gameObject);
+            return true;
+        }
+        return false;
+    }
+
+    public void Kill()
+    {
+        Destroy(gameObject);
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+  defaultReferences: []
+  executionOrder: 0
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Assets/Scripts/Object Related.meta

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+guid: d97e8a7231bff17409538512aa911e93
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
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Assets/Scripts/CannonControls.cs → Assets/Scripts/Object Related/CannonControls.cs

@@ -4,9 +4,9 @@ using UnityEngine;
 
 public class CannonControls : MonoBehaviour
 {
-    [SerializeField] private GameObject projectile;
-    [SerializeField] private float shootingDelay;
-    [SerializeField] private Collider[] cannonColliders;
+    [SerializeField] private GameObject projectile = null;
+    [SerializeField] private float shootingDelay = 0.2f;
+    [SerializeField] private Collider[] cannonColliders = null;
     private float delay;
     private float framesLeftToShoot = 0f; // the number of frames passed since last shot
 

Assets/Scripts/Object Related/NodeHolder.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class NodeHolder : MonoBehaviour
+{
+    public LinkedList<DestroyableObject> nodes { get; private set; }
+
+    [SerializeField] private DestroyableObject stackNodeObject = null;
+
+    void Awake()
+    {
+        nodes = new LinkedList<DestroyableObject>();
+    }
+
+    public void MakeNodes(int numberOfNodes)
+    {
+        for(int i = 0; i < nodes.Count; i++)
+        {
+            nodes.First.Value.Kill();
+            nodes.RemoveFirst();
+        }
+        // The linked list is now empty
+        for(int i = 0; i < numberOfNodes; i++)
+        {
+            DestroyableObject node = Instantiate(stackNodeObject);
+            node.transform.parent = gameObject.transform;
+            node.transform.localPosition = new Vector3(0f, i * 0.5f, 0f);
+            nodes.AddLast(node);
+        }
+    }
+
+    public void RemoveBottomNode()
+    {
+        if (nodes.Count != 0)
+        {
+            DestroyableObject node = nodes.First.Value;
+            nodes.RemoveFirst();
+            Destroy(node.gameObject);
+        }
+    }
+
+    public DestroyableObject GetBottomNode()
+    {
+        return nodes.First.Value;
+    }
+}

Assets/Scripts/Object Related/NodeHolder.cs.meta

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+guid: 13374e0c672524b4bb588748d040d0df
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Assets/Scripts/Stack.cs → Assets/Scripts/Object Related/Stack.cs

@@ -4,12 +4,15 @@ using UnityEngine;
 
 public class Stack : MonoBehaviour
 {
-    private int numberOfNodes;
-    private LinkedList<StackNode> nodes = new LinkedList<StackNode>();
+    public int numberOfNodes;
+    [HideInInspector] public int nodesLeft;
+    
+    private NodeHolder nodeHolder = null;
 
-    public Stack()
+    void Awake()
     {
-
+        nodeHolder = gameObject.transform.GetChild(0).GetComponent<NodeHolder>();
+        nodeHolder.MakeNodes(numberOfNodes);
     }
 
     private void OnCollisionEnter(Collision collision)
@@ -17,7 +20,9 @@ public class Stack : MonoBehaviour
         if (collision.gameObject.tag == "Cannonball")
         {
             // Destroy the last stack node
-            
+            Destroy(collision.gameObject);
+            nodeHolder.RemoveBottomNode();
+            nodesLeft--;
         }
     }
 }

Assets/Scripts/StackNode.cs → Assets/Scripts/Object Related/StackNode.cs

@@ -4,10 +4,10 @@ using UnityEngine;
 
 public class StackNode : MonoBehaviour
 {
+    [SerializeField] private float rotationSpeed = 10f;
 
-    // Destroy node on cannonball hit
-    public void DestroyNode()
+    void FixedUpdate()
     {
-        Destroy(gameObject);
+        transform.localEulerAngles += new Vector3(0f, rotationSpeed * Time.fixedDeltaTime, 0f);
     }
 }

ProjectSettings/DynamicsManager.asset

@@ -17,7 +17,7 @@ PhysicsManager:
   m_ClothInterCollisionDistance: 0
   m_ClothInterCollisionStiffness: 0
   m_ContactsGeneration: 1
-  m_LayerCollisionMatrix: fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8fffffffefffffffaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+  m_LayerCollisionMatrix: fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8fffffff6fffffff2fffffff9ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
   m_AutoSimulation: 1
   m_AutoSyncTransforms: 0
   m_ReuseCollisionCallbacks: 1

ProjectSettings/TagManager.asset

@@ -17,7 +17,7 @@ TagManager:
   - Cannonball
   - Stack Node
   - Ground
-  - 
+  - Stack
   - 
   - 
   -