RGBColor
Transparent::shade(ShadeRec& sr) {
if (ior_tex != NULL) {
//get current ior
float i = 0;
i = ior_tex->get_color(sr).average()*1.2;
set_ior(i);
}
RGBColor L(SV_Phong::shade(sr)); // direct illumination
Vector3D wo = -sr.ray.d;
Vector3D wi;
RGBColor fr = reflective_brdf->sample_f(sr, wo, wi);
Ray reflected_ray(sr.hit_point, wi);
if (specular_btdf->tir(sr))
L += sr.w.tracer_ptr->trace_ray(reflected_ray, sr.depth + 1);
else {
Vector3D wt;
RGBColor ft = specular_btdf->sample_f(sr,wo,wt);
Ray transmitted_ray(sr.hit_point, wt);
L += fr * sr.w.tracer_ptr->trace_ray(reflected_ray, sr.depth + 1) * fabs(sr.normal * wi);
L += ft * sr.w.tracer_ptr->trace_ray(transmitted_ray, sr.depth + 1) * fabs(sr.normal * wt);
}
return (L);
}
static void
test_set(void) {
char *keys1[] = {"a", "b", "r", "a", "c", "a", "d", "a", "b", "r", "a"};
char *keys2[] = {"a", "l", "a", "c", "a", "z", "a", "m"};
SetObject *a = set_new();
SetObject *b = set_new();
set_addfrom(a, (void**)keys1, 11);
set_addfrom(b, (void**)keys2, 8);
set_print(a); // { 'c', 'd', 'r', 'a', 'b', }
set_print(b); // { 'c', 'l', 'm', 'a', 'z', }
set_print(set_rsub(a, b)); //{ 'd', 'b', 'r', }
set_print(set_ror(a, b)); //{ 'a', 'b', 'c', 'd', 'l', 'm', 'r', 'z', }
set_print(set_rand(a, b)); //{ 'c', 'a', }
set_print(set_rxor(a, b)); //{ 'b', 'd', 'l', 'm', 'r', 'z', }
set_ior(a, b);
set_print(a);
set_isub(a, b);
set_print(a);
set_ixor(a, b);
set_print(a);
set_iand(a, b);
set_print(a);
set_free(a);
set_free(b);
char *keys3[] = {"a", "b"};
char *keys4[] = {"a", "b", "d", "c", "e", "f", "g", "h"};
SetObject *c = set_new();
SetObject *d = set_new();
set_addfrom(c, (void**)keys3, 2);
set_addfrom(d, (void**)keys4, 8);
set_print(set_xor(c, d));
set_print(set_and(c, d));
set_print(set_sub(c, d));
}
