starfighter/MB_FYP/script/Laser.cs

using Godot;
using System;

public partial class Laser : Area2D
{
	[Export]
	public int Speed { get; set;} = 2000;

	public Vector2 MovementVector { get; set; } = new Vector2(0, -1);

	
	private void _on_visible_on_screen_notifier_2d_screen_exited()
	{
		QueueFree();
	}
	public override void _PhysicsProcess(double delta)
	{
		GlobalPosition += MovementVector.Rotated(Rotation) * Speed * (float)delta;
	}
	private void OnAreaEntered(Area2D area)
	{
		if (area is asteroid)
		{
			asteroid a = (asteroid)area;
			a.Explode();
			QueueFree();
		}
	}
}