using System;
using Godot;

public partial class MoveUpDown : RigidBody2D
{
	[Export] public Node2D Up;
	[Export] public Node2D Down;

	[Export] private double speed = 1f;

	private double t = 0f;

	// Called when the node enters the scene tree for the first time.
	public override void _Ready()
	{
	}

	// Called every frame. 'delta' is the elapsed time since the previous frame.
	public override void _Process(double delta)
	{
		t += delta * speed;
		t = t % 2f;

		double posT = Math.Abs(t - 1f);

		MoveAndCollide(new Vector2(
					(float)Mathf.Lerp(Up.Position.X, Down.Position.X, posT),
					(float)Mathf.Lerp(Up.Position.Y, Down.Position.Y, posT)
				) - Position);
	}
}