#ifndef COLOR_H
#define COLOR_H

#include "rtweekend.h"
#include "vec3.h"

#include <iostream>

void write_color(std::ostream &out, color pixel_color, int samples_per_pixel) {
	auto r = pixel_color.x();
	auto g = pixel_color.y();
	auto b = pixel_color.z();

	// Divide the color by the number of samples and gamma-correct for gamma=2.0
	auto scale = 1.0 / samples_per_pixel;
	r = sqrt(scale * r);
	g = sqrt(scale * g);
	b = sqrt(scale * b);

	// Write the translated [0,255] value of each color component
	out << static_cast<int>(256 * clamp(r, 0.0, 0.999)) << " "
			<< static_cast<int>(256 * clamp(g, 0.0, 0.999)) << " "
			<< static_cast<int>(256 * clamp(b, 0.0, 0.999)) << "\n";
}

#endif
