Implemented shooting

Fixed abstract character not depleting energy when reaching zero
Created prefabs for player and enemy bullets
Added physics layers for players and enemies

Assets/Prefabs/EnemyBullet.prefab

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Assets/Prefabs/EnemyBullet.prefab.meta

@@ -0,0 +1,7 @@
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Assets/Prefabs/Player.prefab

@@ -15,7 +15,7 @@ GameObject:
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   - component: {fileID: 2690590977808455803}
   - component: {fileID: 2690590977808455796}
-  m_Layer: 0
+  m_Layer: 8
   m_Name: Player
   m_TagString: Untagged
   m_Icon: {fileID: 0}
@@ -113,7 +113,7 @@ MonoBehaviour:
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   m_Name: 
   m_EditorClassIdentifier: 
-  _maxSpeed: 10
+  _maxSpeed: 7
   _maxHealth: 3
   _maxEnergy: 100
   _energyRegen: 20
@@ -153,3 +153,8 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 61bf45c54c3d922598ce965db2dc869c, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  _energyCost: 10
+  _shotsPerSecond: 2
+  _bullet: {fileID: 4369719273071165554, guid: 5dcbc4e2919ffde8a9d89514fd293e8e, type: 3}
+  _direction: {x: 1, y: 0}
+  _offset: {x: 1, y: 0}

Assets/Prefabs/PlayerBullet.prefab

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Assets/Prefabs/PlayerBullet.prefab.meta

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Assets/Scenes/SampleScene.unity

@@ -270,10 +270,5 @@ PrefabInstance:
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       value: 0
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Assets/Scripts/AbstractCharacter.cs

@@ -78,13 +78,17 @@ public abstract class AbstractCharacter : MonoBehaviour
                 _isDepleted = false;
             }
         }
-        if (CurrentEnergy < 0)
+        if (CurrentEnergy <= 0)
         {
             CurrentEnergy = 0;
+            _isDepleted = true;
         }
 
         // The InputManager is executed before and updates it to true if needed
         _isShooting = false;
+        
+        // FIXME : Debug drawing to show energy level
+        Debug.DrawLine(new Vector3(-5,4), new Vector3(-5 + 10 * CurrentEnergy/MaxEnergy,4),Color.blue);
     }
 
     public abstract void Move(Vector2 movementDirection);

Assets/Scripts/AbstractShooter.cs

@@ -1,18 +1,57 @@
-using System.Collections;
+using System;
+using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
-public class AbstractShooter : MonoBehaviour
+public abstract class AbstractShooter : MonoBehaviour
 {
+    // Energy consumed per shot
+    [SerializeField] protected float _energyCost = 2;
+    public float EnergyCost => _energyCost;
+    
+    // Minimum time between two shots
+    protected float _minDeltaTime = 1f / 5;
+
+    [SerializeField] private int _shotsPerSecond = 5;
+    public int ShotsPerSecond
+    {
+        get { return _shotsPerSecond; }
+        set
+        {
+            _shotsPerSecond = value;
+            _minDeltaTime = 1f / _shotsPerSecond;
+        }
+    }
+
+    private float _timeLeft;
+    
     // Start is called before the first frame update
     void Start()
     {
-        
+        _minDeltaTime = 1f / ShotsPerSecond;
+        _timeLeft = 0;
     }
 
-    // Update is called once per frame
     void Update()
     {
-        
+        _timeLeft -= Time.deltaTime;
     }
+
+    private void OnValidate()
+    {
+        _minDeltaTime = 1f / ShotsPerSecond;
+    }
+
+    public bool Shoot(float currentEnergy)
+    {
+        if (_timeLeft <= 0 && currentEnergy > 0)
+        {
+            InstantiateProjectiles();
+            _timeLeft = _minDeltaTime;
+            return true;
+        }
+
+        return false;
+    }
+    protected abstract void InstantiateProjectiles();
 }

Assets/Scripts/BasicShooter.cs

@@ -4,15 +4,26 @@ using UnityEngine;
 
 public class BasicShooter : AbstractShooter
 {
-    // Start is called before the first frame update
+    // Bullet that will be fired
+    [SerializeField] private GameObject _bullet;
+
+    private Transform _parentTransform;
+    
+    // Direction the bullet will be going
+    [SerializeField] private Vector2 _direction = Vector2.right;
+    
+    // Offset between parent and newly created bullet
+    [SerializeField] private Vector2 _offset = Vector2.zero;
+    
     void Start()
     {
-        
+        _parentTransform = GetComponentInParent<Transform>();
     }
 
-    // Update is called once per frame
-    void Update()
+    protected override void InstantiateProjectiles()
     {
-        
+        Vector3 newPosition = _parentTransform.position + (Vector3)_offset;
+        GameObject child = Instantiate(_bullet, newPosition, Quaternion.identity);
+        child.GetComponent<Bullet>().Direction = _direction;
     }
 }

Assets/Scripts/Bullet.cs

@@ -35,12 +35,6 @@ public class Bullet : MonoBehaviour
         mover.MaxSpeed = Speed;
     }
 
-    // Update is called once per frame
-    void Update()
-    {
-        
-    }
-    
     // Destroy on Stay, collision effects should be handled on Enter
     private void OnCollisionStay2D(Collision2D other)
     {

Assets/Scripts/PlayerCharacter.cs

@@ -12,8 +12,16 @@ public class PlayerCharacter : AbstractCharacter
 
     public override void Shoot()
     {
-        // TODO : Implement
-        throw new System.NotImplementedException();
+        _isShooting = true;
+        if (!_isDepleted && _shooter.Shoot(CurrentEnergy))
+        {
+            CurrentEnergy -= _shooter.EnergyCost;
+        }
+        else if (_isDepleted)
+        {
+            // Force regen when depleted even if holding the trigger
+            _isShooting = false;
+        }
     }
 
     protected override void Death()

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ProjectSettings/Physics2DSettings.asset

@@ -53,4 +53,4 @@ Physics2DSettings:
   m_ColliderAsleepColor: {r: 0.5686275, g: 0.95686275, b: 0.54509807, a: 0.36078432}
   m_ColliderContactColor: {r: 1, g: 0, b: 1, a: 0.6862745}
   m_ColliderAABBColor: {r: 1, g: 1, b: 0, a: 0.2509804}
-  m_LayerCollisionMatrix: ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+  m_LayerCollisionMatrix: ffffffffffffffffffffffffffffffffffffffffdffcffffffffffffffffffffdffeffffdffdffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff

ProjectSettings/TagManager.asset

@@ -13,8 +13,8 @@ TagManager:
   - UI
   - 
   - 
-  - 
-  - 
+  - Player
+  - Enemy
   - 
   - 
   -