int ft_intersection(t_obj *obj, t_3d p_beg, t_3d v_ray)
{
static int init = 0;
static t_inter tab_inter[4];
float coef;
t_3d tmp;
coef = -1;
obj->distance = -1;
if (init == 0)
{
ft_init_tab(tab_inter);
init = 1;
}
coef = tab_inter[(int)obj->type].inter(obj, p_beg, v_ray);
if (coef == -1)
return (0);
else
{
ft_init3d(&obj->p_inter, p_beg.x + v_ray.x * coef,
p_beg.y + v_ray.y * coef, p_beg.z + v_ray.z * coef);
ft_init3d(&tmp, obj->p_inter.x - p_beg.x, obj->p_inter.y - p_beg.y,
obj->p_inter.z - p_beg.z);
obj->distance = ft_norme(&tmp);
}
return (1);
}
void lsort(t_env *e)
{
t_node *tmp;
tmp = e->a->begin;
if (tmp->data > tmp->next->data && tmp->next->data > tmp->next->next->data)
ft_norme(e);
else if (tmp->data > tmp->next->data
&& tmp->next->data < tmp->next->next->data
&& tmp->data < tmp->next->next->data)
swap(e, 'a');
else if (tmp->data < tmp->next->data
&& tmp->next->data > tmp->next->next->data
&& tmp->data < tmp->next->next->data)
{
swap(e, 'a');
rotate(e, 'a');
}
else if (tmp->data < tmp->next->data
&& tmp->next->data > tmp->next->next->data
&& tmp->data > tmp->next->next->data)
reverse_rotate(e, 'a');
else if (tmp->data > tmp->next->data
&& tmp->next->data < tmp->next->next->data
&& tmp->data > tmp->next->next->data)
rotate(e, 'a');
}
void normal_build_func(void *data)
{
DIR *dirp;
struct dirent *info;
t_data *fdata;
t_tree *tmp;
info = NULL;
fdata = NULL;
if ((print_head_or_dir(data) == 0))
return ;
if (!(dirp = opendir((const char *)DATA->path)))
return (perror(ft_strjoin("ft_ls: ", DATA->name)));
while ((info = readdir(dirp)) != NULL)
{
if ((info->d_name)[0] != '.')
{
if (!(fdata = full_data(info, (t_data *)data)))
return ;
tmp = ft_create_node_tree((void *)fdata);
DATA->tree = ft_addnode(DATA->tree, tmp, NULL, DATA->cmp);
}
}
(void)closedir(dirp);
ft_norme(data, 1);
}
float ft_shadow(t_scene *scene, t_3d p_beg, t_3d v_ray, t_obj *obj)
{
t_ray ray;
ray.o = obj;
ray.p_beg = p_beg;
ray.v_ray = v_ray;
ray.obj = scene->object;
ray.obj_hit = NULL;
ray.ret = 0;
ray.intersection = scene->intersection;
ft_list_inter(&ray);
ft_get_obj_hit(&ray, scene->object);
if (ray.obj_hit != NULL && ray.obj_hit->distance < ft_norme(&v_ray))
{
if (scene->transparency == 0 || ray.obj_hit->transparency == 0)
return (0.);
else
return ((ray.obj_hit->transparency / 100.)
* ft_shadow(scene, ray.obj_hit->p_inter,
v_ray, ray.obj_hit));
}
return (1);
}