The direction of the cannonballs is fixed

Assets/Prefabs/Cannonball.prefab

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+  m_CullingMask:
+    serializedVersion: 2
+    m_Bits: 4294967295
+  m_RenderingPath: -1
+  m_TargetTexture: {fileID: 0}
+  m_TargetDisplay: 0
+  m_TargetEye: 3
+  m_HDR: 1
+  m_AllowMSAA: 1
+  m_AllowDynamicResolution: 0
+  m_ForceIntoRT: 0
+  m_OcclusionCulling: 1
+  m_StereoConvergence: 10
+  m_StereoSeparation: 0.022
+--- !u!4 &1889553404
+Transform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1889553401}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0, y: 1, z: -10}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_Children: []
+  m_Father: {fileID: 0}
+  m_RootOrder: 0
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}

Assets/Scenes/TestScene.unity.meta

+fileFormatVersion: 2
+guid: 128561e13f43bd346a528566cbe5223d
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/General Purpose/Movable.cs

@@ -4,10 +4,27 @@ using UnityEngine;
 
 public class Movable : MonoBehaviour
 {
+    // Destination-based movement fields
     private Vector3 startPosition;
     public Vector3 targetPosition { get; private set; }
     private float time;
     private float timeToReachTarget;
+    //=====================================================
+
+    // Direction-based movement fields
+    private Vector3 direction;
+    private float speed;
+    private bool isOnWorldSpace;
+    //=====================================================
+
+    enum Mode
+    {
+        Destination,
+        Direction,
+        Neutral
+    }
+
+    private Mode mode = Mode.Neutral;
 
     void Start()
     {
@@ -16,8 +33,15 @@ public class Movable : MonoBehaviour
 
     void Update()
     {
-        time += Time.deltaTime / timeToReachTarget;
-        transform.position = Vector3.Lerp(startPosition, targetPosition, time);
+        if (mode == Mode.Destination)
+        {
+            time += Time.deltaTime / timeToReachTarget;
+            transform.position = Vector3.Lerp(startPosition, targetPosition, time);
+        }
+        else if(mode == Mode.Direction)
+        {
+            transform.Translate(Vector3.Normalize(direction) * speed * Time.deltaTime, (isOnWorldSpace ? Space.World : Space.Self));
+        }
     }
 
     public void SetDestination(Vector3 destination, float time)
@@ -26,5 +50,14 @@ public class Movable : MonoBehaviour
         startPosition = transform.position;
         timeToReachTarget = time;
         targetPosition = destination;
+        mode = Mode.Destination;
+    }
+
+    public void SetDirection(Vector3 direction, float speed, bool isOnWorldSpace)
+    {
+        this.direction = direction;
+        this.speed = speed;
+        this.isOnWorldSpace = isOnWorldSpace;
+        mode = Mode.Direction;
     }
 }

Assets/Scripts/Object Related/CannonControls.cs

@@ -8,7 +8,7 @@ public class CannonControls : MonoBehaviour
     [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
+    private float timeLeftToShoot = 0f; // the amount of time passed since last shot
 
     void Start()
     {
@@ -19,28 +19,28 @@ public class CannonControls : MonoBehaviour
     {
         if(Input.GetKey(KeyCode.Space))
         {
-            if (framesLeftToShoot <= 0f)
+            if (timeLeftToShoot <= 0f)
             {
                 // start shooting cannonballs
                 GameObject childObject = Instantiate(projectile) as GameObject;
                 foreach (Collider collider in cannonColliders)
-                    Physics.IgnoreCollision(childObject.GetComponent<SphereCollider>(), collider, true);
+                    Physics.IgnoreCollision(childObject.GetComponent<Collider>(), collider, true);
                 childObject.transform.parent = gameObject.transform;
                 childObject.transform.localPosition = new Vector3(0, 0, 0);
-                
+                childObject.transform.LookAt(GameObject.Find("Shooting Target").transform);
                 if(delay > (shootingDelay * 1f) / 2f)
                     delay *= 0.95f;
-                framesLeftToShoot = delay;
+                timeLeftToShoot = delay;
             }
             else
             {
-                framesLeftToShoot -= Time.deltaTime;
+                timeLeftToShoot -= Time.deltaTime;
             }
         }
         if (Input.GetKeyUp(KeyCode.Space))
         {
             delay = shootingDelay;
-            framesLeftToShoot = 0f;
+            timeLeftToShoot = 0f;
         }
     }
 }

Assets/Scripts/Object Related/Cannonball.cs

@@ -4,13 +4,11 @@ using UnityEngine;
 
 public class Cannonball : MonoBehaviour
 {
-    public int speed = 10;
-    private new Rigidbody rigidbody;
+    public float speed = 10f;
 
     void Awake()
     {
-        rigidbody = GetComponent<Rigidbody>();
-        rigidbody.velocity = new Vector3(0, 0, speed);
+        GetComponent<Movable>().SetDirection(Vector3.forward, speed, false);
         Destroy(this.gameObject, 1f);
     }
 

Assets/Scripts/Object Related/NodeHolder.cs

@@ -8,24 +8,23 @@ public class NodeHolder : MonoBehaviour
 
     [SerializeField] private DestroyableObject stackNodeObject = null;
 
-    void Awake()
-    {
-        nodes = new LinkedList<DestroyableObject>();
-    }
-
     public void MakeNodes(int numberOfNodes)
     {
-        for(int i = 0; i < nodes.Count; i++)
+        if(nodes == null)
+            nodes = new LinkedList<DestroyableObject>();
+        for (int i = 0; i < nodes.Count; i++)
         {
             nodes.First.Value.Kill();
             nodes.RemoveFirst();
         }
         // The linked list is now empty
+        float nodeHeight = stackNodeObject.gameObject.GetComponent<StackNode>().GetNodeHeight();
         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);
+            //if(nodeHeight == 0f) nodeHeight = node.gameObject.GetComponent<StackNode>()
+            node.transform.localPosition = new Vector3(0f, i * nodeHeight, 0f);
             nodes.AddLast(node);
         }
     }

Assets/Scripts/Object Related/StackNode.cs

@@ -6,8 +6,8 @@ public class StackNode : MonoBehaviour
 {
     [SerializeField] private float rotationSpeed = 10f;
     [SerializeField] private float descendTime = 0.2f;
+    [SerializeField] private float nodeHeight = 1f;
 
-    private float descendDistance = 0.5f;
     private Movable movable;
 
     private void Awake()
@@ -25,13 +25,18 @@ public class StackNode : MonoBehaviour
         transform.localEulerAngles += new Vector3(0f, rotationSpeed * Time.fixedDeltaTime, 0f);
     }
 
-    private void Descend()
+    private void OnDestroy()
     {
-        movable.SetDestination(movable.targetPosition - new Vector3(0f, descendDistance, 0f), descendTime);
+        GameEvents.instance.onHitEvent -= Descend;
     }
 
-    private void OnDestroy()
+    public float GetNodeHeight()
     {
-        GameEvents.instance.onHitEvent -= Descend;
+        return nodeHeight;
+    }
+
+    private void Descend()
+    {
+        movable.SetDestination(movable.targetPosition - new Vector3(0f, nodeHeight, 0f), descendTime);
     }
 }

ProjectSettings/DynamicsManager.asset

@@ -3,7 +3,7 @@
 --- !u!55 &1
 PhysicsManager:
   m_ObjectHideFlags: 0
-  serializedVersion: 13
+  serializedVersion: 11
   m_Gravity: {x: 0, y: -9.81, z: 0}
   m_DefaultMaterial: {fileID: 0}
   m_BounceThreshold: 2
@@ -17,12 +17,11 @@ PhysicsManager:
   m_ClothInterCollisionDistance: 0
   m_ClothInterCollisionStiffness: 0
   m_ContactsGeneration: 1
-  m_LayerCollisionMatrix: fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8fffffff6fffffff2fffffff9ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+  m_LayerCollisionMatrix: ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
   m_AutoSimulation: 1
   m_AutoSyncTransforms: 0
   m_ReuseCollisionCallbacks: 1
   m_ClothInterCollisionSettingsToggle: 0
-  m_ClothGravity: {x: 0, y: -9.81, z: 0}
   m_ContactPairsMode: 0
   m_BroadphaseType: 0
   m_WorldBounds:
@@ -32,5 +31,4 @@ PhysicsManager:
   m_FrictionType: 0
   m_EnableEnhancedDeterminism: 0
   m_EnableUnifiedHeightmaps: 1
-  m_SolverType: 0
-  m_DefaultMaxAngularSpeed: 7
+  m_DefaultMaxAngluarSpeed: 7

ProjectSettings/ProjectSettings.asset

@@ -4,7 +4,7 @@
 PlayerSettings:
   m_ObjectHideFlags: 0
   serializedVersion: 20
-  productGUID: 21d8bd3464428934ba031177685f86ed
+  productGUID: 21a5c9b0a93b4a1459fa4214094e8009
   AndroidProfiler: 0
   AndroidFilterTouchesWhenObscured: 0
   AndroidEnableSustainedPerformanceMode: 0
@@ -13,7 +13,7 @@ PlayerSettings:
   useOnDemandResources: 0
   accelerometerFrequency: 60
   companyName: DefaultCompany
-  productName: FireballsClone
+  productName: NewFireballsClone
   defaultCursor: {fileID: 0}
   cursorHotspot: {x: 0, y: 0}
   m_SplashScreenBackgroundColor: {r: 0.13725491, g: 0.12156863, b: 0.1254902, a: 1}

ProjectSettings/TagManager.asset

@@ -3,8 +3,7 @@
 --- !u!78 &1
 TagManager:
   serializedVersion: 2
-  tags:
-  - Cannonball
+  tags: []
   layers:
   - Default
   - TransparentFX
@@ -14,10 +13,10 @@ TagManager:
   - UI
   - 
   - 
-  - Cannonball
-  - Stack Node
-  - Ground
-  - Stack
+  - 
+  - 
+  - 
+  - 
   - 
   - 
   -