static void Main(string[] args)
{
int screenheight = 2160;
int screenwidth;
Console.WriteLine("Screen height in pixels?");
String inputh = Console.ReadLine();
if (inputh == "")
{
screenheight = 2160;
}
else
{
screenheight = Convert.ToInt32(inputh);
}
screenwidth = (int)((double)screenheight / 3 * 4);
Console.WriteLine("" + screenwidth + " x " + screenheight);
Raytracer rt = new Raytracer(screenwidth, screenheight);
rt.SetCamera(new Vector(0, 45, -50), 2.5, 2160 / (double)screenheight * 0.00208);
rt.AddLight(new Vector(40, 50, -40), new Vector(100, 100, 255));
rt.AddLight(new Vector(-40, 50, -40), new Vector(255, 100, 100));
rt.AddLight(new Vector(0, 90, 40), new Vector(100, 255, 100));
rt.AddSphere(new Vector(0, 15, 16), new Vector(255, 109, 165), "matte", 15);
rt.AddSphere(new Vector(-32, 32, 22), new Vector(204, 153, 51), "metal", 15);
rt.AddSphere(new Vector(22, 70, 22), new Vector(255, 109, 165), "mirror", 25);
rt.AddSphere(new Vector(-16, 28, -8), new Vector(255, 255, 255), "glass", 12.5);
rt.AddPlaneU(new Vector(0, 0, 0), new Vector(50, 50, 50), "metal", 100, 100);
rt.AddPlaneD(new Vector(0, 100, 0), new Vector(50, 50, 50), "metal", 100, 100);
rt.AddWallF(new Vector(0, 50, 50), new Vector(50, 50, 50), "metal", 100, 100);
rt.AddWallB(new Vector(0, 50, -50), new Vector(50, 50, 50), "metal", 100, 100);
rt.AddSideWallL(new Vector(-50, 50, 0), new Vector(175, 80, 90), "metal", 100, 100);
rt.AddSideWallR(new Vector(50, 50, 0), new Vector(90, 80, 175), "metal", 100, 100);
///Distribute rendeing in multiple cores and render
///
int threadstospawn = 1;
Console.WriteLine("How many cores to use?");
String inputt = Console.ReadLine();
if (inputt == "")
{
threadstospawn = 8;
}
else
{
threadstospawn = Convert.ToInt32(inputt);
}
Console.WriteLine(threadstospawn);
int sampling = 256;
Console.WriteLine("Sampling rate?");
String inputs = Console.ReadLine();
if (inputs == "")
{
sampling = 2;
}
else
{
sampling = Convert.ToInt32(inputs);
}
Console.WriteLine(sampling);
int slicelog = 0;
Console.WriteLine("Save individual slices?(0/1)");
String inputl = Console.ReadLine();
if (inputl == "")
{
slicelog = 0;
}
else
{
slicelog = Convert.ToInt32(inputl);
}
Console.WriteLine(slicelog);
Console.WriteLine("Started rendering, this might take a while depending on your configuration.");
Dictionary <int, Bitmap> maps = new Dictionary <int, Bitmap>();
Task[] tasks = new Task[threadstospawn];
Bitmap image = new Bitmap(rt.width, rt.height);
Graphics graph = Graphics.FromImage(image);
int slicew = image.Width / threadstospawn;
for (int i = 0; i < threadstospawn; i++)
{
int xb = i * slicew;
int xe = (i + 1) * slicew;
if (i == threadstospawn - 1)
{
xe = image.Width;
}
tasks[i] = Task.Run(() => Render(xb, 0, xe, rt.height, rt.width, rt.height, ref maps, ref rt, sampling, slicelog));
}
Task.WaitAll(tasks);
while (maps.Count != threadstospawn)
{
//extra wait just in case
}
foreach (KeyValuePair <int, Bitmap> entry in maps)
{
graph.DrawImageUnscaled(entry.Value, entry.Key, 0); // recombine slices
}
for (int i = 0; i < threadstospawn; i++)
{
tasks[i].Dispose();
}
Drawer.Save(ref image, "out");
//Console.Read();
}
public static void Render(int xb, int yb, int xe, int ye, int canvas_w, int canvas_h, ref Dictionary <int, Bitmap> maps, ref Raytracer rt, int sampling, int slicelog)
{
Bitmap i = new Bitmap(xe - xb, ye - yb);
Graphics gr = Graphics.FromImage(i);
double gamma = 2;
for (int x = 0; x < xe - xb; x++)
{
for (int y = 0; y < ye - yb; y++)
{
int tr = 0;
int tg = 0;
int tb = 0;
for (int n = 0; n < sampling; n++)
{
int r = 0;
int g = 0;
int b = 0;
rt.Render(xb + x, yb + y, ref r, ref g, ref b, n, sampling);
tr += r;
tg += g;
tb += b;
}
tr = tr / sampling;
tg = tg / sampling;
tb = tb / sampling;
tr = (int)(Math.Pow(((double)tr / 255), (1 / gamma)) * 255);
tg = (int)(Math.Pow(((double)tg / 255), (1 / gamma)) * 255);
tb = (int)(Math.Pow(((double)tb / 255), (1 / gamma)) * 255);
Drawer.DrawPixel(x, y, tr, tg, tb, 255, gr);
}
}
if (slicelog == 1)
{
Drawer.Save(ref i, "" + xb);
}
lock (maps)
{
maps.Add(xb, i);
}
}
