Working Harpoon

Assets/Prefabs/Harpoon.prefab

@@ -60,7 +60,7 @@ Rigidbody2D:
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   m_Interpolate: 0
   m_SleepingMode: 1
-  m_CollisionDetection: 0
+  m_CollisionDetection: 1
   m_Constraints: 0
 --- !u!61 &61011723006022978
 BoxCollider2D:

Assets/Prefabs/Lighthouse.prefab

@@ -0,0 +1,88 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!1001 &100100000
+Prefab:
+  m_ObjectHideFlags: 1
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+  m_Modification:
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+    m_Modifications: []
+    m_RemovedComponents: []
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+  m_RootGameObject: {fileID: 1422823575259108}
+  m_IsPrefabAsset: 1
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+  m_PrefabInternal: {fileID: 100100000}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 4978811670595372}
+  - component: {fileID: 212830947358221954}
+  m_Layer: 0
+  m_Name: Lighthouse
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
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Assets/Prefabs/Lighthouse.prefab.meta

@@ -0,0 +1,8 @@
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+NativeFormatImporter:
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Assets/Prefabs/Ship.prefab

@@ -101,7 +101,7 @@ Transform:
   m_PrefabInternal: {fileID: 100100000}
   m_GameObject: {fileID: 1506768218425990}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 13.64, y: 40.63, z: 0}
+  m_LocalPosition: {x: 4.27, y: 42.06, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children:
   - {fileID: 4419769467158982}
@@ -238,7 +238,7 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   hull: {fileID: 1396569450907664}
   horizontalShipSpeed: 5
-  verticalShipSpeed: 24
+  verticalShipSpeed: 30
   maxJetFuel: 2
   jetFuelRechargeSpeed: 0.1
 --- !u!114 &114971120113848216
@@ -252,7 +252,9 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 7bc860ed21bbef247869c07bd6fef82f, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  rotationSpeed: 90
+  harpoonAvailable: 1
+  harpoon: {fileID: 1737609814504882, guid: 288f16ae5eaa16440b89da431723b1c2, type: 2}
+  force: 1000
 --- !u!120 &120914689644947078
 LineRenderer:
   m_ObjectHideFlags: 1

Assets/Scripts/Cannon.cs

@@ -3,17 +3,48 @@ using System.Collections.Generic;
 using UnityEngine;
 
 public class Cannon : MonoBehaviour {
+    
+    public bool harpoonAvailable = true;
+    public GameObject harpoon;
+    public float maxForce = 5f;
+    public float forceBuildingSpeed = 2f;
+    public float startingForce = 1f;
+    private float force = 1f;
 
-    public float rotationSpeed;
+    public GameObject chain;
 
-	void Update () {
-		if(Input.GetKey(KeyCode.W))
+    private Linker chainLinker;
+    private SpriteRenderer spriteRenderer;
+
+    private void Start()
+    {
+        spriteRenderer = GetComponent<SpriteRenderer>();
+        chainLinker = chain.GetComponent<Linker>();        
+    }
+
+    private void Update ()
+    {
+        Vector2 screenPosition = Camera.main.WorldToScreenPoint(transform.position);
+        Vector2 direction = (Vector2)Input.mousePosition - screenPosition;
+        transform.rotation = Quaternion.LookRotation(Vector3.forward, direction);
+        spriteRenderer.flipX = direction.x < 0;
+        if (harpoonAvailable)
         {
-            transform.Rotate(Vector3.forward * Time.deltaTime * rotationSpeed);
-        }
-        if (Input.GetKey(KeyCode.S))
-        {
-            transform.Rotate(Vector3.back * Time.deltaTime * rotationSpeed);
+            if (Input.GetKey(KeyCode.Space))
+            {
+                force = Mathf.Clamp(force + forceBuildingSpeed * Time.deltaTime, 0, maxForce);
+            }
+            if (Input.GetKeyUp(KeyCode.Space))
+            {
+                GameObject harpoonInstance = Instantiate(harpoon);
+                harpoonInstance.transform.position = transform.position + (Vector3)direction.normalized;
+                harpoonInstance.transform.rotation = transform.rotation;
+                harpoonInstance.GetComponent<Rigidbody2D>().AddForce(direction * force);
+                harpoonInstance.GetComponent<SpriteRenderer>().flipX = spriteRenderer.flipX;
+                chainLinker.secondObject = harpoonInstance;
+                force = startingForce;
+                harpoonAvailable = false;
+            }
         }
     }
 }

Assets/Scripts/ChainLinker.cs

@@ -1,50 +0,0 @@
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-
-public class ChainLinker : MonoBehaviour {
-
-    public GameObject chain;
-    public GameObject tail;
-    public Vector3 chainOffset;
-    public Vector3 tailOffset;
-    public int chainNumber;
-    
-	void Start () {
-        GameObject lastChain = null;
-        GameObject nextChain = null;
-
-        for(int i = 0; i < chainNumber - 1; i++)
-        {
-            if (i > 0)
-            {
-                lastChain = nextChain;
-            }
-            if (i == chainNumber - 2)
-            {
-                nextChain = Instantiate(tail, transform);
-                nextChain.transform.position = lastChain.transform.position + tailOffset;
-            }
-            else
-            {
-                nextChain = Instantiate(chain, transform);
-                if (lastChain != null)
-                {
-                    nextChain.transform.position = lastChain.transform.position + chainOffset;
-                }
-                else
-                {
-                    nextChain.transform.position = transform.position;
-                }
-            }
-            if (lastChain != null)
-            {
-                nextChain.GetComponent<HingeJoint2D>().connectedBody = lastChain.GetComponent<Rigidbody2D>();
-            }
-            else
-            {
-                nextChain.GetComponent<HingeJoint2D>().connectedBody = GetComponentInParent<Rigidbody2D>();
-            }
-        }
-	}
-}

Assets/Scripts/Harpoon.cs

@@ -0,0 +1,25 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Harpoon : MonoBehaviour {
+
+    private Rigidbody2D rigidbody2D;
+    private bool going = true;
+
+    private void Start()
+    {
+        rigidbody2D = GetComponent<Rigidbody2D>();
+    }
+
+    void Update () {
+        if(going)
+        {
+            transform.rotation = Quaternion.LookRotation(Vector3.forward, rigidbody2D.velocity.normalized);
+        }
+        else
+        {
+
+        }
+	}
+}

Assets/Scripts/Harpoon.cs.meta

@@ -1,5 +1,5 @@
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 MonoImporter:
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Assets/Scripts/Linker.cs

@@ -14,7 +14,10 @@ public class Linker : MonoBehaviour
     }
 
     void Update () {
-        lineRenderer.SetPosition(0, firstObject.transform.position);
-        lineRenderer.SetPosition(1, secondObject.transform.position);
+        if (firstObject != null && secondObject != null)
+        {
+            lineRenderer.SetPosition(0, firstObject.transform.position);
+            lineRenderer.SetPosition(1, secondObject.transform.position);
+        }
     }
 }

Assets/Sprites/Harpoon.png.meta

@@ -44,7 +44,7 @@ TextureImporter:
   spriteExtrude: 1
   spriteMeshType: 1
   alignment: 9
-  spritePivot: {x: 0.94438404, y: 0.38834447}
+  spritePivot: {x: 0.39075083, y: 0.08269283}
   spritePixelsToUnits: 50
   spriteBorder: {x: 0, y: 0, z: 0, w: 0}
   spriteGenerateFallbackPhysicsShape: 1

Assets/Sprites/Terrain.png.meta

@@ -60,7 +60,7 @@ TextureImporter:
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@@ -71,7 +71,7 @@ TextureImporter:
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@@ -82,7 +82,7 @@ TextureImporter:
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@@ -93,7 +93,7 @@ TextureImporter:
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