private static bool TryLoadScene(
Assembly asm,
RenderArgs args,
out Scene scene)
{
var builderType = asm.GetType(args.Scene);
if (builderType == null)
{
scene = null;
return(false);
}
var builder = (ISceneBuilder)Activator.CreateInstance(builderType);
scene = builder.Build(args.Width, args.Height);
return(true);
}
public static void Render(RenderArgs args)
{
if (!TryLoadAssembly(args.Asm, out var asm))
{
Console.WriteLine($"Cannot load assembly {args.Asm}.");
return;
}
if (!TryLoadScene(asm, args, out var scene))
{
Console.WriteLine(
$"Cannot find scene builder {args.Scene} in " +
$"assembly {args.Asm}.");
var candidates = GetSceneBuilders(asm);
Console.WriteLine("Possible candidates:");
foreach (var c in candidates)
{
Console.WriteLine($"- {c.FullName}");
}
return;
}
scene.ProgressMonitorFactory =
(rows, _) => new ConsoleProgressMonitor(
rows,
$"rendering {args.Scene} from {Path.GetFileName(args.Asm)}");
// scene.SamplerFactory =
// () => new RandomSuperSampler(scene.World, scene.Camera, args.N);
scene.SamplerFactory =
() => new FocalBlurSampler(
scene.World,
scene.Camera,
n: args.N,
focalDistance: 4.5,
aperture: 0.1);
Console.WriteLine($"Super sampling: {args.N}x");
Console.WriteLine($"Output: {Path.GetFullPath(args.Out)}");
var sw = new Stopwatch();
sw.Start();
var img = scene.Render();
img.SavePpm(args.Out);
sw.Stop();
var numberOfPixels = args.Width * args.Height;
var pixelsPerSecond = Math.Round(
(double)numberOfPixels / sw.Elapsed.TotalSeconds,
digits: 2);
Console.WriteLine($"Speed: {pixelsPerSecond} px/s");
Console.WriteLine($"---");
Console.WriteLine($"Primary rays: {Stats.PrimaryRays}");
Console.WriteLine($"Secondary rays: {Stats.SecondaryRays}");
Console.WriteLine($"Shadow rays: {Stats.ShadowRays}");
Console.WriteLine($"---");
Console.WriteLine($"Intersection tests: {Stats.Tests}");
Console.WriteLine();
}