int TraceRowJob(int y, int width, int height, NativeArray <Color> backbuffer, ref CameraWrap camera, int frameID)
{
int rayCount = 0;
for (int x = 0; x < width; ++x)
{
Color color = Color.black;
for (int i = 0; i < SAMPLE_PER_PIXEL; ++i)
{
float u = (x + Random.Range(0, 1.0f)) / width;
float v = (y + Random.Range(0, 1.0f)) / height;
Ray r = camera.GetRay(u, v);
color += Trace(ref r, 0, ref rayCount, null);
}
color /= SAMPLE_PER_PIXEL;
color = color.gamma;
var old = backbuffer[y * width + x];
backbuffer[y * width + x] = (old * (frameID - 1) + color) / frameID;
}
return(rayCount);
}
public void PixelDebug(CameraWrap camera, float u, float v)
{
var infos = new List <Vector3>();
Ray r = camera.GetRay(u, v);
int rayCount = 0;
infos.Add(r.origin);
Trace(ref r, 0, ref rayCount, infos);
for (int i = 0; i < infos.Count - 2; ++i)
{
Debug.DrawLine(infos[i], infos[i + 1], Color.red, 10);
}
if (infos.Count >= 2)
{
Debug.DrawRay(infos[infos.Count - 2], infos[infos.Count - 1], Color.red, 10);
}
}