public static Task TraceScene(
Camera camera,
World world,
DrawPixel drawPixel,
int maximumReflections,
CancellationToken cancelToken) =>
Task.Factory.StartNew(() =>
{
try
{
Parallel.ForEach(
Shuffled(GetAllPoints(camera.Dimensions)),
new ParallelOptions
{
CancellationToken = cancelToken,
},
(position, loopState) =>
{
var ray = camera.CreateRayForPixel(position.X, position.Y);
var color = world.ComputeColor(ray, maximumReflections);
drawPixel(position.X, position.Y, color);
});
}
catch (OperationCanceledException)
{
// Why does this throw??? What am I supposed to do here other than ignore it???
}
});
public GameState(DrawPixel drawPixel, int canvasWidth, int canvasHeight)
{
_drawPixel = drawPixel;
_canvasWidth = canvasWidth;
_canvasHeight = canvasHeight;
_centerPosition = new Point(canvasWidth / 2, canvasHeight / 2);
}
/// <summary>
/// Plotar um pixel na tela
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
DrawPixel drawPixel = new DrawPixel();
drawPixel.bitmap = mBitmap;
try
{
drawPixel.Draw(double.Parse(textBox1.Text), double.Parse(textBox2.Text), Color.Blue);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
UpdateView();
}
public static Task TraceSceneByRows(
Camera camera,
World world,
DrawPixel drawPixel,
int maximumReflections,
CancellationToken cancelToken,
Action reportRowRendered) =>
Task.Factory.StartNew(() => Parallel.For(
0, camera.Dimensions.Height,
new ParallelOptions {
CancellationToken = cancelToken
},
row =>
{
for (int col = 0; col < camera.Dimensions.Width; col++)
{
var ray = camera.CreateRayForPixel(col, row);
var color = world.ComputeColor(ray, maximumReflections);
drawPixel(col, row, color);
}
reportRowRendered();
}));
