int main(int argc, const char * argv[]) {
//insert code here...
//Test3::rgbimage("..\\");
//Test1::vector();
//Test2::color();
//int a;
//std::cin >> a;
Scene ModelScene(20);
RGBImage Image(640, 480);
SimpleRayTracer Raytracer(1);
Raytracer.traceScene(ModelScene, Image);
Image.saveToDisk("../raytracing_image.bmp");
return 0;
}
int main()
{
WindowPtr win;
#if !TARGET_API_MAC_CARBON
InitGraf(&qd.thePort);
InitFonts();
InitWindows();
InitMenus();
Rect r = qd.screenBits.bounds;
#else
BitMap bm;
GetQDGlobalsScreenBits(&bm);
Rect r = bm.bounds;
#endif
SetRect(&r, r.left + 5, r.top + 45, r.right - 5, r.bottom -5);
win = NewWindow(NULL, &r, "\pRaytracer (C Version)", true, 0, (WindowPtr)-1, false, 0);
#if !TARGET_API_MAC_CARBON
SetPort(win);
r = win->portRect;
#else
SetPortWindowPort(win);
GetPortBounds(GetWindowPort(win), &r);
#endif
EraseRect(&r);
float accum = 0.0f;
short cx = r.right /2;
short cy = r.bottom / 2;
int x,y;
lenl = 1.0f / sqrtf(lx*lx + ly*ly + lz*lz);
lxn = lx*lenl, lyn = ly*lenl, lzn = lz*lenl;
long startTime = TickCount();
float *accumV = calloc(sizeof(float), r.right);
for(y = 0; y < r.bottom; y++)
{
for(x = 0; x < r.right; x++)
{
float pixel;
// cam = (0,0,0)
// ray = t * (x-r.right/2, - (y-r.bottom/2), -1)
// plane: y = -2
float dx = x - cx;
float dy = - (y - cy);
float dz = -cx;
float n1 = 1.0f / sqrtf(dx*dx + dy*dy + dz*dz);
pixel = ray(1,0,0,0,n1*dx,n1*dy,n1*dz);
#if 0
accum += pixel;
if(accum >= 0.5f)
accum -= 1.0f;
else
{
MoveTo(x,y);
Line(0,0);
}
#elif 0
accum += pixel;
accum += accumV[x];
if(accum >= 0.5f)
accum -= 1.0f;
else
{
MoveTo(x,y);
Line(0,0);
}
accumV[x] = accum = accum / 2;
#elif 0
//if(pixel < Random() / 32767.0)
if(pixel < (float)std::rand() / (32767.0f * 65536.0f))
{
MoveTo(x,y);
Line(0,0);
}
#else
float thresh = (float)rand() / (32767.0f * 65536.0f);
thresh = 0.5f + 0.4f * (thresh - 0.5f);
accum += pixel;
accum += accumV[x];
if(accum >= thresh)
accum -= 1.0f;
else
{
MoveTo(x,y);
Line(0,0);
}
accumV[x] = accum = accum / 2;
#endif
}
if(Button())
return 0;
#if TARGET_API_MAC_CARBON
QDFlushPortBuffer(GetWindowPort(win),NULL);
#endif
}
long endTime = TickCount();
char buf[256];
unsigned char* pstr = (unsigned char*)buf;
sprintf(buf+1, "pps = %d", (int)( (float)r.right * r.bottom / (endTime - startTime) * 60.0f ));
buf[0] = strlen(buf+1);
SetRect(&r, 10, 10, 10 + StringWidth(pstr) + 10, 30);
PaintRect(&r);
PenMode(patXor);
FrameRect(&r);
MoveTo(15,25);
TextMode(srcBic);
DrawString(pstr);
#if TARGET_API_MAC_CARBON
QDFlushPortBuffer(GetWindowPort(win),NULL);
#endif
while(!Button())
;
FlushEvents(everyEvent, -1);
return 0;
}
