snoopy/src/colour.h

#pragma once

#include "vec3.h"

#include <iostream>

void write_colour(std::ostream &out, colour pixel_colour)
{
    // write the translated [0,255] value of each colour component.
    out << static_cast<int>(255.999 * pixel_colour.x()) << ' '
        << static_cast<int>(255.999 * pixel_colour.y()) << ' '
        << static_cast<int>(255.999 * pixel_colour.z()) << '\n';
}