using UnityEngine;

internal class Noise
{
	private Vector2 seed;

	private float speed;

	public Noise(float speed)
	{
		seed = new Vector2(Random.value, Random.value);
		this.speed = speed;
	}

	public float Update()
	{
		seed += Vector2.one * speed * Time.deltaTime;
		return Mathf.PerlinNoise(seed.x, seed.y) * 2f - 1f;
	}
}