public static byte FinalizeColor(float pixelColor, int samplesPerPixel)
{
var c = pixelColor;
// Replace NaN components with zero. See explanation in Ray Tracing: The Rest of Your Life.
if (float.IsNaN(c))
{
c = 0.0f;
}
// Divide the color by the number of samples and gamma-correct for gamma=2.0.
var scale = 1.0f / samplesPerPixel;
c = MathF.Sqrt(scale * c);
// return the translated [0,255] value of each color component.
return(Convert.ToByte(255 * MathR.Clamp(c, 0.0f, 0.999f)));
}
public static byte[] FinalizeColor(Vec3 pixelColor, int samplesPerPixel)
{
(var r, var g, var b) = pixelColor;
// Replace NaN components with zero. See explanation in Ray Tracing: The Rest of Your Life.
//if (r != r) r = 0.0f;
//if (g != g) g = 0.0f;
//if (b != b) b = 0.0f;
// Divide the color by the number of samples and gamma-correct for gamma=2.0.
var scale = 1.0f / samplesPerPixel;
r = MathF.Sqrt(scale * r);
g = MathF.Sqrt(scale * g);
b = MathF.Sqrt(scale * b);
// return the translated [0,255] value of each color component.
return(new[] {
Convert.ToByte(255 * MathR.Clamp(r, 0.0f, 0.999f)),
Convert.ToByte(255 * MathR.Clamp(g, 0.0f, 0.999f)),
Convert.ToByte(255 * MathR.Clamp(b, 0.0f, 0.999f))
});
}
