public void Process(SceneBase world, int ci, int ri, int hres, int vres)
{
Vec2 s = world.ViewPlane.PixelSize / zoom;
int numSamples = world.ViewPlane.NumSamples;
Vec3 pixelColor = ColorUtils.BLACK;
Ray ray = new Ray(eye, null);
Vec2 pp = new Vec2();
Vec2 sp;
for (int r = ri; r < vres; r++) //up - y height
{
for (int c = ci; c < hres; c++) //across - x width
{
pixelColor = ColorUtils.BLACK;
for (int j = 0; j < numSamples; j++)
{
sp = world.ViewPlane.Sampler.SampleUnitSquare();
pp.X = s.X * (c - 0.5 * world.ViewPlane.Hres + sp.X);
pp.Y = s.Y * (r - 0.5 * world.ViewPlane.Vres + sp.Y);
ray.D = RayDirection(pp);
pixelColor += world.Tracer.TraceRay(ray, 0);
}
pixelColor /= numSamples;
pixelColor *= exposureTime;
world.DisplayPixel(c, r, pixelColor);
}
}
}
public override void RenderScene(SceneBase world)
{
ComputeUVW();
Vec3 pixelColor = new Vec3();
Ray ray = new Ray();
Vec2 pp = new Vec2();
Vec2 sp;
int depth = 0;
Vec2 s = world.ViewPlane.PixelSize / zoom;
ray.O = eye;
int hres = world.ViewPlane.Hres;
int vres = world.ViewPlane.Vres;
int numSamples = world.ViewPlane.NumSamples;
for (int r = 0; r < vres; r++)
{
for (int c = 0; c < hres; c++)
{
pixelColor = ColorUtils.BLACK;
for (int j = 0; j < numSamples; j++)
{
sp = world.ViewPlane.Sampler.SampleUnitSquare();
pp.X = s.X * (c - 0.5 * hres + sp.X);
pp.Y = s.Y * (r - 0.5 * vres + sp.Y);
ray.D = RayDirection(pp);
pixelColor += world.Tracer.TraceRay(ray, depth);
}
pixelColor /= numSamples;
pixelColor *= exposureTime;
world.DisplayPixel(c, r, pixelColor);
}
}
}