cirnogodot/Scripts/Actors/Elevator3D.cs

using Godot;

namespace Cirno.Scripts.Actors;

public partial class Elevator3D : PathFollow3D, IActivable
{
    [Export] public float Speed { get; set; }

    private bool _isMoving = false;
    private float _multiplier = 1f;
    
    public override void _Process(double delta)
    {
        if (!_isMoving) return;
        
        ProgressRatio += (Speed * (float)delta) * _multiplier;

        if (ProgressRatio is >= 1 or <= 0)
        {
            _isMoving = false;
        }
        
    }

    public bool Activate(ActivationType activationType = ActivationType.Toggle)
    {
        if (_isMoving) return false;

        StartMoving();

        return true;
    }

    public void StartMoving()
    {
        if (_isMoving) return;
        _isMoving = true;

        if (ProgressRatio <= 0)
        {
            _multiplier = 1f;
        }
        else if (ProgressRatio >= 1)
        {
            _multiplier = -1f;
        }
    }
}