✨ Turret shooting and damaing

Scripts/Entities/Bullet.cs

@@ -0,0 +1,97 @@
+using Godot;
+
+namespace AceFieldNewHorizon.Scripts.Entities;
+
+public partial class Bullet : Area2D
+{
+    [Export] public float Speed = 400.0f;
+    [Export] public int Damage = 10;
+    [Export] public float MaxDistance = 1000.0f;
+    
+    private Vector2 _direction = Vector2.Right;
+    private Vector2 _startPosition;
+    private float _distanceTraveled = 0f;
+    private bool _hasHit = false;
+    private uint _ignoreCollisionLayer = 0; // Layer to ignore (will be set by turret)
+
+    public void Initialize(Vector2 direction, Vector2 position, float rotation, uint ignoreLayer = 0)
+    {
+        _direction = direction.Normalized();
+        Position = position;
+        Rotation = rotation;
+        _startPosition = position;
+        _ignoreCollisionLayer = ignoreLayer;
+        
+        // Connect the area entered signal
+        BodyEntered += OnBodyEntered;
+        AreaEntered += OnAreaEntered;
+    }
+
+    public override void _PhysicsProcess(double delta)
+    {
+        if (_hasHit) return;
+        
+        // Move the bullet
+        var movement = _direction * Speed * (float)delta;
+        Position += movement;
+        _distanceTraveled += movement.Length();
+        
+        // Check if bullet has traveled max distance
+        if (_distanceTraveled >= MaxDistance)
+        {
+            QueueFree();
+            return;
+        }
+    }
+    
+    private void OnBodyEntered(Node2D body)
+    {
+        HandleCollision(body);
+    }
+    
+    private void OnAreaEntered(Area2D area)
+    {
+        HandleCollision(area);
+    }
+    
+    private void HandleCollision(Node2D node)
+    {
+        if (_hasHit) return;
+        
+        // Skip collision if it's on the ignore layer
+        if (node is PhysicsBody2D physicsBody && 
+            (physicsBody.CollisionLayer & _ignoreCollisionLayer) != 0)
+        {
+            return;
+        }
+        
+        _hasHit = true;
+        
+        // If we hit an enemy, deal damage
+        if (node is Enemy enemy)
+        {
+            // Get the global position where the bullet hit
+            var hitPosition = GlobalPosition;
+            enemy.TakeDamage(Damage, hitPosition);
+        }
+        
+        // Optional: Add hit effect here
+        // CreateHitEffect();
+        
+        // Remove the bullet
+        QueueFree();
+    }
+    
+    private void CreateHitEffect()
+    {
+        // You can add a hit effect here if desired
+        // For example, a small explosion or impact sprite
+    }
+    
+    public override void _ExitTree()
+    {
+        // Clean up signal connections
+        BodyEntered -= OnBodyEntered;
+        AreaEntered -= OnAreaEntered;
+    }
+}