rt/src/rt_get_color_at.c

52 lines
1.8 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* rt_get_color_at.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ntrahy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/01/07 16:21:47 by ntrahy #+# #+# */
/* Updated: 2017/01/08 12:56:06 by scebula ### ########.fr */
/* */
/* ************************************************************************** */
#include "rt.h"
#include <math.h>
unsigned char moy(t_color color)
{
return ((color.r + color.g + color.b) / 3);
}
static t_color apply_ambient(t_data *d, t_color obj_color)
{
t_color final_color;
final_color = obj_color;
color_scale(&final_color, d->ambient);
return (final_color);
}
t_color *get_color_at(t_data *d, t_record *info)
{
t_color final_color;
t_light *light_list;
static int reflect[8] = {0, 0, 0, 0, 0, 0, 0, 0};
int thread_number;
info->oldnorm = info->normal;
thread_number = info->current_thread->num;
final_color = apply_ambient(d, get_pixel_color(d, info, info->obj->type));
light_list = d->light_list;
while (light_list)
{
add_diffuse_and_specular(info, d, light_list, &final_color);
light_list = light_list->next;
}
if (++reflect[thread_number] <= d->reflections)
add_refls(d, info, &final_color);
info->color = final_color;
reflect[thread_number] = 0;
return (&(info->color));
}