using Godot;

public partial class PlayerFollow : CharacterBody3D
{
  [Export]
  private double _timeToWait { get; set; } = 0.1;
  [Export]
  private Vector3 _followDistance { get; set; } = new Vector3(0, 0, -2);

  private async void OnMainOnPlayerMovement(Vector3 position)
  {
    //  await ToSignal(GetTree().CreateTimer(_timeToWait), "timeout");
    //  Position = Position.Lerp(position, 1);
    //  MoveAndSlide();
    //  if (position != Vector3.Zero)
    //    GetNode<Node3D>("Pivot").LookAt(position, Vector3.Up);
  }

  public override async void _PhysicsProcess(double delta)
  {
    await ToSignal(GetTree().CreateTimer(_timeToWait), "timeout");
    var player = GetNode<CharacterBody3D>("../Player");
    if (Position.DistanceTo(player.Position) > 2.0f)
      Position = Position.Lerp(player.Position + _followDistance * (Position - player.Position), (float)delta * 4.0f);

    if (Velocity != Vector3.Zero)
      GetNode<Node3D>("Pivot").LookAt(Velocity, Vector3.Up);
    MoveAndSlide();
  }
}