76 lines
1.9 KiB
C++
Executable File
76 lines
1.9 KiB
C++
Executable File
#include "colour.h"
|
|
#include "camera.h"
|
|
#include "material.h"
|
|
#include "image.h"
|
|
#include "world.h"
|
|
#include "network.h"
|
|
|
|
#include <iostream>
|
|
#include <string.h>
|
|
|
|
void render(camera& cam, const world& world, int client_sock)
|
|
{
|
|
for (int j = HEIGHT - 1; j >= 0; --j)
|
|
{
|
|
std::cerr << "\rScanlines remaining: " << j << ' ' << std::flush;
|
|
for (int i = 0; i < WIDTH; ++i)
|
|
{
|
|
colour pixel_colour(0,0,0);
|
|
|
|
for (int s = 0; s < SAMPLES_PER_PIXEL; ++s)
|
|
{
|
|
auto u = (i + math::random_double()) / (WIDTH-1);
|
|
auto v = (j + math::random_double()) / (HEIGHT-1);
|
|
ray r = cam.get_ray(u, v);
|
|
pixel_colour += trace(world, r, MAX_DEPTH);
|
|
}
|
|
|
|
// TODO: we should instead write our output to some buffer in memory
|
|
// to decouple our ultimate output from our rendering
|
|
//write_colour_to_stream(std::cout, pixel_colour, SAMPLES_PER_PIXEL);
|
|
write_colour_to_socket(client_sock, pixel_colour, SAMPLES_PER_PIXEL);
|
|
}
|
|
}
|
|
}
|
|
|
|
int main()
|
|
{
|
|
int sockfd;
|
|
int newsockfd = wait_for_client(sockfd);
|
|
|
|
printf("got a connection!\n");
|
|
|
|
send_image_dimensions(newsockfd, WIDTH, HEIGHT);
|
|
|
|
//std::cout << "P3\n" << WIDTH << ' ' << HEIGHT << "\n255\n";
|
|
|
|
auto dist_to_target = 10.0;
|
|
auto dist_to_focus = dist_to_target + 1.0;
|
|
auto cam_y = 1.0;
|
|
point3 lookfrom(0,cam_y,-dist_to_target);
|
|
point3 lookat(0,0,0);
|
|
vec3 vup(0,1,0);
|
|
auto aperture = 0.5;
|
|
|
|
camera cam(lookfrom, lookat, vup, 47, ASPECT_RATIO, aperture, dist_to_focus);
|
|
|
|
const world* world = world::close_glass_sphere();
|
|
|
|
render(cam, *world, newsockfd);
|
|
|
|
// close client socket
|
|
close(newsockfd);
|
|
|
|
printf("closed client connection\n");
|
|
|
|
// close listening socket
|
|
close(sockfd);
|
|
|
|
printf("closed listening socket\n");
|
|
|
|
printf("done!\n");
|
|
|
|
return 0;
|
|
}
|
|
|