TestLevel.cs

using Godot;

public class TestLevel : Node2D
{
    private Node2D player;
    private MainCam cam;
    [Export] public NodePath playerSpawn;
    private Position2D spawn;

    // Called when the node enters the scene tree for the first time.
    public override void _Ready()
    {
        GD.Print(Name + " is ready. (TestLevel.cs)");
        player = (Node2D)GetNode("Sneak2");
        cam = (MainCam)GetNode("MainCam");
        // cam.setTarget(player);
        spawn = (Position2D)GetNodeOrNull(playerSpawn);
        player.Position = spawn.Position;
    }

    public override void _Input(InputEvent @event)
    {
        if (@event.IsActionPressed("respawn"))
        {
            Respawn();
        }
    }

    public void Respawn()
    {
        GD.Print("Respawn Character");
        player.Position = spawn.Position;
        //reset player health
    }

    public void UpdateSpawn(NodePath target)
    {
        spawn = (Position2D)GetNodeOrNull(target);
    }

    public void _on_KillPlane_body_entered(Node body)
    {
        if (body is Sneak2)
        {
            //FIXME - work for all players if we get player switching
            Respawn();
        }
    }
}