Time modifiers

Scripts/Bullet.cs

@@ -1,6 +1,8 @@
 using Godot;
 using System;
 using System.Diagnostics;
+using Cirno.Scripts.Components;
+using Cirno.Scripts.Resources;
 
 public partial class Bullet : Area2D
 {
@@ -14,15 +16,66 @@ public partial class Bullet : Area2D
 	public BulletOwner Owner = BulletOwner.None;
 
 	private Vector2 _direction = Vector2.Right;
-
-	//public delegate void BulletHitEventHandler(Node Body);
-	//public event BulletHitEventHandler BulletHit;
-
-	// Called when the node enters the scene tree for the first time.
-	public override void _Ready()
+	
+	private double _elapsedTime = 0f;
+	private BulletInfo _bulletInfo;
+	
+	public void Initialize(BulletInfo bulletInfo)
 	{
-		//this.Connect("body_entered", new Callable(this, nameof(OnBodyEntered)));
+		_bulletInfo = bulletInfo;
+		
+		Position = bulletInfo.Position;
+		Owner = bulletInfo.Owner;
 	}
+	
+	private void ApplyTimeModifiers()
+	{
+		foreach (var modifier in _bulletInfo.TimeModifiers)
+		{
+			if (modifier.Applied)
+			{
+				continue;
+			}
+			if (_elapsedTime >= modifier.TimeInSeconds)
+			{
+				switch (modifier.ModifierType)
+				{
+					case TimeModifierType.SpeedChange:
+						//_bulletInfo.Speed += modifier.Value;
+						Speed = modifier.Value;
+						break;
+					case TimeModifierType.RotationChange:
+						RotateBullet(modifier.Value);
+						//Rotation += Mathf.DegToRad(modifier.Value);
+						break;
+					case TimeModifierType.FacePlayer:
+						FacePlayer();
+						break;
+				}
+
+				modifier.Applied = true;
+			}
+		}
+	}
+	
+	private void RotateBullet(float degrees)
+	{
+		float radians = Mathf.DegToRad(degrees);
+		_direction = _direction.Rotated(radians).Normalized(); // Rotate direction
+	}
+
+
+	private void FacePlayer()
+	{
+		// TODO: cache player
+		var player = GetTree().GetFirstNodeInGroup("Player") as Node2D;
+		if (player != null)
+		{
+			_direction = (player.GlobalPosition - this.GlobalPosition).Normalized();
+			//LookAt(player.GlobalPosition);
+		}
+	}
+
 
 	//private void OnBodyEntered(Node body)
 	//{
@@ -45,6 +98,12 @@ public partial class Bullet : Area2D
 	// Called every frame. 'delta' is the elapsed time since the previous frame.
 	public override void _Process(double delta)
 	{
+		_elapsedTime += delta;
+		if (_bulletInfo != null)
+		{
+			ApplyTimeModifiers();
+		}
+		
 		this.Position += ((float)(Speed * delta) * _direction);
 	}