float *ft_lambert(t_th *mlx, t_obj *tmp, t_obj *light, float *tab)
{
t_vec pos;
t_vec dist;
float d;
pos = (t_vec){mlx->cam_pos.x + mlx->t * mlx->ray_dir.x, mlx->cam_pos.y +
mlx->t * mlx->ray_dir.y, mlx->cam_pos.z + mlx->t * mlx->ray_dir.z};
mlx->norm = ft_norm(mlx, tmp, pos);
while (light != NULL)
{
LAMBERT = 0.15;
dist = ft_vectorsub(&light->pos, &pos);
d = ft_clamp((1.0 / sqrtf(sqrtf(ft_vectordot(&dist, &dist)))), 0., 1.);
ft_vectornorm(&dist);
if (ft_shadow(mlx, tmp, light, pos) == 0)
LAMBERT += ft_clamp(ft_vectordot(&dist, &mlx->norm), 0.0, 1.0);
tab = ft_endlight(tmp, light, tab, d);
tab[0] += (COND2) ? ft_spec(mlx, dist, d, tab[3]) : 0.0;
tab[1] += (COND2) ? ft_spec(mlx, dist, d, tab[3]) : 0.0;
tab[2] += (COND2) ? ft_spec(mlx, dist, d, tab[3]) : 0.0;
light = light->next;
}
mlx->refpos = (t_vec){mlx->ray_dir.x, mlx->ray_dir.y, mlx->ray_dir.z};
return ((PREF2) ? tab : ft_reflect(mlx, tmp, &pos, tab));
}
int get_next_line(int const fd, char **line)
{
int ret;
char *temp;
static char *save;
char *buff;
buff = ft_strnew(BUFF_SIZE + 1);
save = (save == NULL) ? ft_strnew(1) : save;
if (buff == NULL || BUFF_SIZE <= 0 || line == NULL)
return (-1);
ret = 42;
while ((ft_strchr(save, '\n') == NULL) && ret > 0)
{
if ((ret = read(fd, buff, BUFF_SIZE)) == -1)
return (-1);
buff[ret] = '\0';
temp = save;
save = ft_strjoin(save, buff);
ft_strdel(&temp);
}
ft_norm(&buff, line, &save, ret);
if (ret == 0 && *line[0] == '\0')
return (0);
save = ft_stock(save);
return (1);
}
static t_obj *ft_ref_init(t_th *mlx, t_obj *tmp, t_vec *pos)
{
t_obj *tmp2;
mlx->t = 8000.0;
mlx->ref = ft_vectorscale(&mlx->norm,
(2 * ft_vectordot(&mlx->refpos, &mlx->norm)));
mlx->ref = ft_vectorsub(&mlx->refpos, &mlx->ref);
ft_vectornorm(&mlx->ref);
tmp2 = ft_ref_inter(mlx, mlx->obj, tmp, *pos);
if (!tmp2)
return (NULL);
*pos = (t_vec){pos->x + mlx->t * mlx->ref.x, pos->y +
mlx->t * mlx->ref.y, pos->z + mlx->t * mlx->ref.z};
mlx->refpos = (t_vec){mlx->ref.x, mlx->ref.y, mlx->ref.z};
mlx->norm = ft_norm(mlx, tmp2, *pos);
return (tmp2);
}
void ft_inis_5_1(t_env *e)
{
if (!(e->obj = malloc(sizeof(t_obj))))
ft_error("error : malloc failed");
e->obj->n = 's';
e->obj->ox = WIN_X / 2;
e->obj->oy = WIN_Y / 2 - 200;
e->obj->oz = 1200;
e->obj->dx = 0;
e->obj->dy = 0;
e->obj->dz = 0;
ft_norm(&e->obj->dx, &e->obj->dy, &e->obj->dz);
e->obj->sz = 300;
e->obj->r = 255;
e->obj->g = 0;
e->obj->b = 0;
e->obj->next = NULL;
ft_inis_5_2(e);
}
void ft_inis_5_3(t_obj *obj2)
{
t_obj *obj3;
if (!(obj3 = malloc(sizeof(t_obj))))
ft_error("error : malloc failed");
obj2->next = obj3;
obj3->n = 'p';
obj3->ox = 0;
obj3->oy = 100;
obj3->oz = 5000;
obj3->dx = 0;
obj3->dy = 0;
obj3->dz = 1;
ft_norm(&obj3->dx, &obj3->dy, &obj3->dz);
obj3->sz = 0;
obj3->r = 105;
obj3->g = 105;
obj3->b = 105;
obj3->next = NULL;
ft_inis_5_4(obj3);
}
void ft_inis_5_2(t_env *e)
{
t_obj *obj2;
if (!(obj2 = malloc(sizeof(t_obj))))
ft_error("error : malloc failed");
e->obj->next = obj2;
obj2->n = 'y';
obj2->ox = 1800;
obj2->oy = 240;
obj2->oz = 1900;
obj2->dx = 0;
obj2->dy = 1;
obj2->dz = 0;
ft_norm(&obj2->dx, &obj2->dy, &obj2->dz);
obj2->sz = 200;
obj2->r = 0;
obj2->g = 255;
obj2->b = 0;
obj2->next = NULL;
ft_inis_5_3(obj2);
}
void ft_inis_5_4(t_obj *obj3)
{
t_obj *obj4;
if (!(obj4 = malloc(sizeof(t_obj))))
ft_error("error : malloc failed");
obj3->next = obj4;
obj4->n = 'c';
obj4->ox = 200;
obj4->oy = 340;
obj4->oz = 2000;
obj4->dx = 1;
obj4->dy = 1;
obj4->dz = 0;
ft_norm(&obj4->dx, &obj4->dy, &obj4->dz);
obj4->sz = 0.3;
obj4->szcos = cos(obj4->sz) * cos(obj4->sz);
obj4->szsin = sin(obj4->sz * obj4->sz);
obj4->r = 255;
obj4->g = 165;
obj4->b = 0;
obj4->next = NULL;
ft_inis_5_5(obj4);
}