public async Task Run(string inputFile, string outputFile)
{
var @object = new ObjParser(await File.ReadAllTextAsync(inputFile)).ToGroup().ToMesh();
@object.Transform(Matrix.RotationX(MathF.PI / 2).Scale(5, 5, 5));
var scene = _sceneProvider.GetScene();
scene.Objects.Add(@object);
var image = _rayTracer.Render(scene);
var sr = new StreamWriter($"{Path.GetFileNameWithoutExtension(outputFile)}.ppm");
await image.ToPpmAsync(sr.BaseStream);
}