Ecosystem-Project/scenes/entities/fly/Fly.cs

using Godot;
using System;
using Math = Ecosystem.utility.Math;

public partial class Fly : BaseEntity
{
    [Export] public float _tx = 0;
    [Export] public float _ty = 10000f;
    [Export] public float StepSizeX = .01f;
    [Export] public float StepSizeY = .1f;
    
    // private Perlin perlin = new Perlin();
    
    private FastNoiseLite noise = new FastNoiseLite();
    
    public override void _Ready()
    {
        base._Ready();
        
        noise.SetSeed(GD.RandRange(int.MinValue, int.MaxValue));
        
        // Position = ScreenSize / 2;
        animationPlayer.Play("fly");
    }

    public void CreateRandom()
    {
        float randomTX = GD.Randf() % 10000;
        float randomTY = GD.Randf() % 10000;
        float randomStepSizeX = GD.Randf() % .1f;
        float randomStepSizeY = GD.Randf() % .1f;
        
        _tx = randomTX;
        _ty = randomTY;
        StepSizeX = randomStepSizeX;
        StepSizeY = randomStepSizeY;
    }

    private void step()
    {
        // double xNoise = perlin.Noise(_tx);
        // double yNoise = perlin.Noise(_ty);
        //

        var xNoise = noise.GetNoise1D(_tx);
        var yNoise = noise.GetNoise1D(_ty);
        // var noiseVal = noise.GetNoise2D(_tx, _ty);
        
        float x = Math.Map(xNoise, 0, 1, 0, ScreenSize.X);
        float y = Math.Map(yNoise, 0, 1, 0, ScreenSize.Y);

        Position = new Vector2(
            x: Mathf.Clamp(x, 0, ScreenSize.X),
            y: Mathf.Clamp(y, 0, ScreenSize.Y));
        
        _tx += StepSizeX;
        _ty += StepSizeY;
    }

    public override void _Process(double delta)
    {
        step();
    }
}