static int ft_shadow(t_th *mlx, t_obj *tmp, t_obj *light, t_vec pos)
{
t_obj *node;
t_vec dist;
node = mlx->obj;
dist = ft_vectorsub(&light->pos, &pos);
mlx->t = sqrtf(ft_vectordot(&dist, &dist));
ft_vectornorm(&dist);
while (node != NULL)
{
if (node != tmp)
{
if (node->type == 1)
mlx->a = ft_inter_cone(mlx, node, dist, pos);
else if (node->type == 2)
mlx->a = ft_inter_cylinder(mlx, node, dist, pos);
else if (node->type == 3)
mlx->a = ft_inter_plane(mlx, node, dist, pos);
else if (node->type == 4)
mlx->a = ft_inter_sphere(mlx, node, dist, pos);
if (mlx->a > 0.0001 && mlx->a < mlx->t)
return (1);
}
node = node->next;
}
return (0);
}
static t_obj *ft_ref_inter(t_th *mlx, t_obj *node, t_obj *tmp, t_vec pos)
{
t_obj *tmp2;
double dist;
tmp2 = NULL;
while (node != NULL)
{
if (node != tmp)
{
if (node->type == 1)
dist = ft_inter_cone(mlx, node, mlx->ref, pos);
else if (node->type == 2)
dist = ft_inter_cylinder(mlx, node, mlx->ref, pos);
else if (node->type == 3)
dist = ft_inter_plane(mlx, node, mlx->ref, pos);
else if (node->type == 4)
dist = ft_inter_sphere(mlx, node, mlx->ref, pos);
if (dist > 0.0001 && dist < mlx->t)
{
tmp2 = node;
mlx->t = dist;
}
}
node = node->next;
}
return (tmp2);
}
double ft_cone(t_obj *obj, t_vector vec, t_scene *sc)
{
t_eq eq;
t_vector rot;
rot.x = sc->rot.x + obj->rot.x;
rot.y = sc->rot.y + obj->rot.y;
rot.z = sc->rot.z + obj->rot.z;
vec = ft_rotate(vec, &rot);
eq = ft_inter_cone(obj, vec);
if (eq.t1 > eq.t2 && eq.t2 > 0)
return (eq.t2);
else if (eq.t1 < eq.t2 && eq.t1 > 0)
return (eq.t1);
return (0);
}
