public Observer(ICamera camera, int imageWidth, int imageHeight)
{
Camera = camera;
Accumulator = new Accumulator(imageWidth, imageHeight);
Camera.AspectRatio = (float)Accumulator.Width / Accumulator.Height;
Camera.OnMoved += (_, _) => Accumulator.Clear();
Camera.Film.SampleRegistered += (_, sample) => Accumulator.Add(sample);
}
public void AccumulateAndDraw(Scene scene, Navigation navigation)
{
if (navigation.IsViewDirty)
{
stopwatch.Stop();
stopwatch.Reset();
CumulativeMilliseconds = 0;
accumulator.Clear();
iteration = 0;
stopwatch.Start();
navigation.IsViewDirty = false;
}
if (iteration < MaxIterations)
{
accumulator.PreAccumulate();
for (int i = 0; (i < ViewsPerFrame) && (iteration < MaxIterations); i++)
{
accumulator.PreDraw();
DrawSingleFrame(iteration, scene, navigation);
accumulator.PostDraw();
iteration++;
}
accumulator.PostAccumulate();
CumulativeMilliseconds = stopwatch.ElapsedMilliseconds;
}
if (iteration == MaxIterations)
{
stopwatch.Stop();
}
accumulator.Show();
}