Collisions and cooldowns

Scripts/Bullet.cs

@@ -70,7 +70,12 @@ public partial class Bullet : Area2D
 
 	private void _on_area_entered(Area2D area)
 	{
-		// Replace with function body.
+		if (area.IsInGroup("Solid"))
+		{
+			QueueFree();
+			return;
+		}
+
 		if (area.IsInGroup("Destroyable") && area is IDestructible destructible)
 		{
 			//Debug.WriteLine("Collision with destroyable object area");

Scripts/Enemy.cs

@@ -3,7 +3,7 @@ using Godot;
 using System;
 using System.Diagnostics;
 
-public partial class Enemy : Area2D
+public partial class Enemy : Area2D, IDestructible
 {
 	private InteractionController _cachedPlayer;
 	private EnemyState _currentState = EnemyState.Idle;
@@ -11,10 +11,21 @@ public partial class Enemy : Area2D
 	[Export]
 	public PackedScene BulletScene { get; set; }
 
+	[Export] public float Health = 4f;
+
+	[Export] public double RateOfFire = 0.4f;
+
+	private float _currentHealth = 0f;
+
+	private bool _isDestroyed = false;
+
+	private Timer _cooldownTimer;
+
 	// Called when the node enters the scene tree for the first time.
 	public override void _Ready()
 	{
-
+		_currentHealth = Health;
+		_cooldownTimer = GetNode<Timer>("./ShootTimer");
 	}
 
 	// Called every frame. 'delta' is the elapsed time since the previous frame.
@@ -51,7 +62,7 @@ public partial class Enemy : Area2D
 			return;
 		}
 
-		if (IsPlayerInSight())
+		if (_cooldownTimer.IsStopped() && IsPlayerInSight())
 		{
 			// SHOOT
 			var bullet = this.CreateChild<Bullet>(BulletScene);
@@ -60,6 +71,7 @@ public partial class Enemy : Area2D
 			// bullet.Transform = this.GlobalTransform;
 			// bullet.Position = this.Position;
 			bullet.SetDirection((_cachedPlayer.GlobalPosition - this.GlobalPosition).Normalized());
+			_cooldownTimer.Start(RateOfFire);
 		}
 	}
 
@@ -99,6 +111,35 @@ public partial class Enemy : Area2D
 		}
 	}
 
+	// Bullets collision
+	private void _on_area_entered(Area2D area)
+	{
+		
+	}
+
+	public void Hit(float damage)
+	{
+		if (_isDestroyed) return;
+		
+		_currentHealth -= damage;
+		if (!(_currentHealth <= 0)) return;
+		_isDestroyed = true;
+		Explode();
+	}
+
+	private void Explode()
+	{
+		Debug.WriteLine("Ded");
+		//CreateParticles();
+		//CreateDebris();
+		QueueFree();
+	}
+
+	public bool IsDestroyed()
+	{
+		return _isDestroyed;
+	}
+
 	private enum EnemyState
 	{
 		Idle,