public Accumulator(Surface screen)
{
_screen = screen;
_acc = new Color3[screen.Width, screen.Height];
for(int y = 0; y < screen.Height; y++)
for (int x = 0; x < screen.Width; x++)
{
_acc[x,y] = new Color3(0,0,0);
}
}
public Sprite(string fileName)
{
_bitmap = new Surface(fileName);
_textureId = _bitmap.GenTexture();
}
public void Print(string t, int x, int y, int c)
{
if (!_fontReady)
{
_font = new Surface("../../assets/font.png");
var ch = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()_-+={}[];:<>,.?/\\ ";
_fontRedir = new int[256];
for (var i = 0; i < 256; i++) _fontRedir[i] = 0;
for (var i = 0; i < ch.Length; i++)
{
int l = ch[i];
_fontRedir[l & 255] = i;
}
_fontReady = true;
}
for (var i = 0; i < t.Length; i++)
{
var f = _fontRedir[t[i] & 255];
var dest = x + i*12 + y*Width;
var src = f*12;
for (var v = 0; v < _font.Height; v++, src += _font.Width, dest += Width)
for (var u = 0; u < 12; u++)
{
if ((_font.Pixels[src + u] & 0xffffff) != 0) Pixels[dest + u] = c;
}
}
}
static void Main(string[] args)
{
Camera camera = new Camera();
camera.SetPositon(new Vector(0.00f, -10.0f, 1.0f));
camera.SetRotation();
if (camera.GetFov() != 45.0f)
{
camera.SetFov(45.0f);
}
SurfacePlane worldPlane = new SurfacePlane();
Material mat = new Material();
mat.disfuse = new ColourRGBA(255.0f, 125.0f, 136.0f, 255.0f);
//mat.disfuse = new ColourRGBA(1.0f, 1.0f, 1.0f, 1.0f);
mat.disfuse.Normalize();
mat.reflect = 0.1f;
worldPlane.SetMat(mat);
SurfaceSphere worldSphere = new SurfaceSphere();
Material smat = new Material();
smat.disfuse = new ColourRGBA(0.0f, 0.0f, 1.0f, 1.0f);
smat.reflect = 0.9f;
worldSphere.SetMat(smat);
SurfaceSphere worldSphere2 = new SurfaceSphere();
worldSphere2.pos.m_x = -2.0f;
worldSphere2.pos.m_y = -2.0f;
worldSphere2.pos.m_z = 2.0f;
SurfaceSphere worldSphere3 = new SurfaceSphere();
worldSphere3.pos.m_x = 2.0f;
worldSphere3.pos.m_y = -2.0f;
worldSphere3.pos.m_z = 2.0f;
SurfaceSphere worldSphere4 = new SurfaceSphere();
worldSphere4.pos.m_x = 0.0f;
worldSphere4.pos.m_y = 2.0f;
worldSphere4.pos.m_z = 2.0f;
Material smat2 = new Material();
smat2.disfuse = new ColourRGBA(0.5f, 1.0f, 0.5f, 1.0f);
//smat2.reflect = 0.5f;
Material smat3 = new Material();
smat3.disfuse = new ColourRGBA(0.5f, 0.5f, 0.5f, 1.0f);
worldSphere2.SetMat(smat2);
worldSphere3.SetMat(smat2);
worldSphere4.SetMat(smat3);
Surface[] Walls = new Surface[] { worldPlane, worldSphere, worldSphere2, worldSphere3 };
Console.WriteLine("Casting Rays");
Console.WriteLine("Casting: " + ((UInt64)(Width * Height) * rpp).ToString() + " rays!");
//Image to save
Bitmap img = new Bitmap(Width, Height);
Bitmap highestHits = new Bitmap(Width, Height);
//Cast the ray
bool hit = false;
bool exit = false;
float filmDist = 1.0f;
//Aspect ratio
float filmW = 1.0f;
float filmH = 1.0f;
if (Width > Height)
{
filmH = filmW * ((float)Height / (float)Width);
}
else if (Height > Width)
{
filmW = filmH * ((float)Width / (float)Height);
}
float halffilmW = 0.5f * filmW;
float halffilmH = 0.5f * filmH;
bool looped = false;
DateTime startTime = DateTime.Now;
Console.Write("Render Started: ");
Console.WriteLine(startTime.ToString());
UInt64 hc = 0;
UInt64 count = 0;
while (!hit && !exit)
{
if (!looped)
{
exit = true;
}
else
{
if (camera.GetPositon().m_y <= -100)
{
break;
}
else
{
Vector p = camera.GetPositon();
p.m_y -= 1;
camera.SetPositon(p);
}
camera.SetRotation();
}
Vector FilmCenter = camera.GetPositon() - filmDist * camera.m_rotation.CameraZ;
UInt64 thc = 0;
count++;
Console.Write("Count: " + count.ToString() + "\r");
UInt64 rayCount = 0;
float RayColourContrib = 1.0f / rpp;
float halfPixW = 0.5f / Width;
float halfPixH = 0.5f / Height;
float testRays = RayColourContrib * rpp;
Ray ray = new Ray();
//Start casting rays
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
//Work out where we are casting this ray from.
float filmX = -1.0f + 2.0f * ((float)x / (float)Width);;
float filmY = -1.0f + 2.0f * ((float)y / (float)Height);
//Vector result = new Vector(0.0f, 0.0f, 0.0f);
float a = 1.0f;
Vector rayColour = new Vector();
//build up our colour
for (UInt64 r = 0; r < rpp; r++)
{
//Jittering AA
float offX = filmX + Helpers.Rand.RandomBilateral() * halfPixW;
float offY = filmY + Helpers.Rand.RandomBilateral() * halfPixH;
Vector filmP = FilmCenter + offX * halffilmW * camera.m_rotation.CameraX + offY * halffilmH * camera.m_rotation.CameraY;
ray.orgin = camera.GetPositon();
ray.dir = (filmP - camera.GetPositon());
float coef = 1.0f;
Vector result = new Vector(0.0f, 0.0f, 0.0f);
bool hitLight = false;
//rayColour += RayColourContrib * (ray.Trace(ray, Walls, lights, 0, ref coef, ref result, ref hitLight).ColourToVector(ref a));
ray.Trace(ray, Walls, lights, 0, ref coef, ref result, ref hitLight);
rayColour += RayColourContrib * result;
rayCount++;
}
//ColourRGBA colour = ray.Trace(ray, Walls, 0, ref att, ref result);
//rayColour.Normalize
ColourRGBA colour = new ColourRGBA(rayColour, a);
if (!looped)
{
float p = (float)rayCount / (float)((UInt64)(Width * Height) * rpp);
Console.Write(((int)(p * 100)).ToString() + " perenct complete\r");
}
//Nothing intersects with this ray so black
if (colour == null)
{
//colour = new ColourRGBA(0.0f, 0.0f, 0.0f, 255.0f);
colour = Config.Ray.SkyColour;
}
else
{
//Correct the gamma.
/*
* colour.r = Lin2srgb(colour.r);
* colour.g = Lin2srgb(colour.g);
* colour.b = Lin2srgb(colour.b);
*/
//colour.Normalize();
colour.Scale(255);
colour.Clamp();
}
//Convert our colour to a colour windows C# understands
Color wColour = Color.FromArgb((int)colour.a, (int)colour.r, (int)colour.g, (int)colour.b);
//If its not black we hit something
if (colour.r != 0 || colour.g != 0 || colour.b != 0)
{
thc++;
}
img.SetPixel(x, y, wColour);
}
}
if (hc < thc)
{
hc = thc;
highestHits = img;
}
if (thc > 0)
{
//For when we are displaying the percent complete
if (!looped)
{
Console.WriteLine("");
//Console.Write("Hits: " + thc.ToString() + "_y_" + camera.GetPositon().m_y.ToString() + "\n");
Console.Write("Hits: " + thc.ToString() + "\n");
//worldSphere.pos.PrintVector();
Console.Write("\n");
}
else
{
Console.Write("Count: " + count.ToString() + " Hits: " + thc.ToString() + "\n");
}
img.Save("hit/hit_" + thc.ToString() + "_c_" + count.ToString() + ".bmp");
}
}
if (hit)
{
highestHits.Save("hit.bmp");
Console.WriteLine("Hit Something");
}
else
{
img.Save("shit.bmp");
}
DateTime endTime = DateTime.Now;
Console.WriteLine("Saved Image");
Console.Write("Image render completed in(h.m.s):");
Console.WriteLine((endTime - startTime).ToString());
Console.ReadKey();
}