internal void RenderSequential(Scene scene, Int32[] rgb)
{
for (int y = 0; y < screenHeight; y++)
{
int stride = y * screenWidth;
Camera camera = scene.Camera;
for (int x = 0; x < screenWidth; x++)
{
Color color = TraceRay(new Ray(camera.Pos, GetPoint(x, y, camera)), scene, 0);
rgb[x + stride] = color.ToInt32();
}
}
}
internal void RenderParallel(Scene scene, Int32[] rgb, ParallelOptions options)
{
try {
Parallel.For(0, screenHeight, options, y => {
int stride = y * screenWidth;
Camera camera = scene.Camera;
for (int x = 0; x < screenWidth; x++)
{
Color color = TraceRay(new Ray(camera.Pos, GetPoint(x, y, camera)), scene, 0);
rgb[x + stride] = color.ToInt32();
}
});
}catch (Exception ex) {
MessageBox.Show(ex.Message, "Exception", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
}
internal void RenderParallelShowingThreads(Scene scene, Int32[] rgb, ParallelOptions options)
{
int id = 0;
Parallel.For <double>(0, screenHeight, options, () => GetHueShift(Interlocked.Increment(ref id)), (y, state, hue) =>
{
int stride = y * screenWidth;
Camera camera = scene.Camera;
for (int x = 0; x < screenWidth; x++)
{
Color color = TraceRay(new Ray(camera.Pos, GetPoint(x, y, camera)), scene, 0);
color.ChangeHue(hue);
rgb[x + stride] = color.ToInt32();
}
return(hue);
},
hue => Interlocked.Decrement(ref id));
}