cirnogodot/Scripts/PlayerMovement.cs

using Godot;
using System;

public partial class PlayerMovement : CharacterBody2D
{
	[Export]
	public int Speed { get; set; } = 400;
	
	private AnimatedSprite2D _animatedSprite;
	
	public override void _Ready()
	{
		_animatedSprite = GetNode<AnimatedSprite2D>("AnimatedSprite2D");
	}

	/*public override _Process(float _delta)
	{
		if (Input.IsActionPressed("ui_right"))
		{
			_animatedSprite.Play("run");
		}
		else
		{
			_animatedSprite.Stop();
		}
	}*/

	public Vector2 GetInput()
	{
		return Input.GetVector("left", "right", "up", "down");
	}

	public override void _PhysicsProcess(double delta)
	{
		var inputDirection = GetInput();
		Velocity = inputDirection * (float)(Speed * delta);

		MoveAndSlide();
	}
}