static async Task Main(string[] args)
{
var img_width = int.Parse(args[0]);
var img_height = int.Parse(args[1]);
var spp = int.Parse(args[2]);
var destination_folder = args[3];
var film = new Film(img_height, img_width, spp);
var lookFrom = new Vector3(3, 3, 2);
var lookAt = new Vector3(0, 0, -1);
var vup = new Vector3(0, 1, 0);
var cam = new Camera(
lookFrom,
lookAt,
vup,
20,
((double)img_width) / img_height,
1,
(lookFrom - lookAt).Length
);
var rng = new Random(1);
var world = new HittableList(new[] {
new Sphere(new Vector3(0, 0, -1), 0.5, new Lambertian(new Vector3(0.1, 0.2, 0.5))),
new Sphere(new Vector3(0, -100.5, -1), 100, new Lambertian(new Vector3(0.8, 0.8, 0))),
new Sphere(new Vector3(1, 0, -1), 0.5, new Metal(new Vector3(0.8, 0.6, 0.2), 0)),
new Sphere(new Vector3(-1, 0, -1), 0.5, new Dielectric(1.5)),
new Sphere(new Vector3(-1, 0, -1), -0.45, new Dielectric(1.5)),
});
for (var j = 0; j < img_height; j++)
{
Console.WriteLine($"Scanlines remaining: {(img_height - j).ToString()}");
for (var i = 0; i < img_width; i++)
{
for (var s = 0; s < spp; s++)
{
var u = (i + rng.NextDouble()) / img_width;
var v = (j + rng.NextDouble()) / img_height;
var ray = cam.GetRay(u, v);
film.AddSample(i, j, RayColor(ray, world, 50));
}
}
}
Console.WriteLine("Writing film");
await film.WriteToFile($@"{destination_folder}\img_{DateTime.UtcNow.Ticks}.ppm");
Console.WriteLine("Done");
}