static inline t_color soft_shadows(t_params p, t_ray *r, t_objects *s, int j)
{
int x;
int y;
t_vec3f w;
t_color trans;
t_vec3f tmp;
t_vec3f lp;
trans = new_uni_color((x = 0));
while (x < 5 && !(y = 0))
{
while (y < 5)
{
tmp = new_vec3f(x, 0, y);
lp = add_vec3f(&s->store[j].pos, &tmp);
if (sharp_shadows(p, r, s,
normalize_vec3f(sub_vec3f(&lp, &p.phit))).x != 0)
{
w = new_vec3f(1 / 25., 1 / 25., 1 / 25.);
trans = add_vec3f(&trans, &w);
}
y++;
}
x++;
}
return (trans);
}
void cast_ray(int x, int y, t_vec3f *pixel, t_interface *env)
{
t_vec3f dir;
t_ray ray;
t_f64 xx;
t_f64 yy;
xx = (2 * ((x + 0.5) * (1.0 / WIDTH)) - 1) * env->camera.angle * ARATIO;
yy = (1 - 2 * ((y + 0.5) * (1.0 / HEIGHT))) * env->camera.angle;
dir = new_vec3f(xx, yy, 0);
dir = add_vec3f(&dir, &env->camera.up);
ray = new_ray(env->camera.pos, normal_vec3f(&dir));
*pixel = trace_ray(&ray, env->objects, 0);
}
