color getPhong(
const normal& i_N, const vector& i_V, const float cosinePower,
const eiBool i_keyLightsOnly, const eiBool unshadowed)
{
color C = 0;
vector R = reflect( normalize(i_V), normalize(i_N) );
while( illuminance( P(), i_N, PI/2.0f ) )
{
float isKeyLight = 1;
//if( i_keyLightsOnly != 0 )
//{
// lightsource( "iskeylight", isKeyLight );
//}
if( isKeyLight != 0 )
{
const float nonspecular = 0.0f;
//lightsource( "__nonspecular", nonspecular );
if( nonspecular < 1 )
{
vector Ln = normalize(L());
SAMPLE_LIGHT_2(color, C, 0.0f,
C += Cl()*pow(max<float>(0.0f,R%Ln),cosinePower)*(1.0f-nonspecular);
);
}
}
void main1_3(void *arg)
{
color Kd = color(diffuse(), diffuse(), diffuse());
normal Nf = faceforward(normalize(N()), I());
vector V = -normalize(I());
while (illuminance(P(), Nf, PI / 2.0f))
{
color C = 0.0f;
SAMPLE_LIGHT_2(color, C, 0.0f,
C += Cl() * (
color_() * Kd * (normalize(L()) % Nf)
+ cosinePower() * specularColor() * specularbrdf(normalize(L()), Nf, V, 0.1f/*roughness()*/)
)
);
Ci() += C;
}
if ( ! less_than( &transparency(), LIQ_SCALAR_ALMOST_ZERO ) )
{//transparent
Ci() = Ci() * ( 1.0f - transparency() ) + trace_transparent() * transparency();
}//else{ opacity }
setOutputForMaya();
}
color getDiffuse(
const normal& i_N,
const eiBool keyLightsOnly,
const eiBool unshadowed )
{
eiBool isKeyLight = eiTRUE;
color C = 0;
while ( illuminance( P(), i_N, PI/2.0f ) )
{
//if( keyLightsOnly != eiFALSE )
//{
// lightsource( "iskeylight", isKeyLight );
//}
if( isKeyLight != eiFALSE )
{
float nondiffuse = 0.0f;
//lightsource( "__nondiffuse", nondiffuse );
if( nondiffuse < 1.0f )
{
SAMPLE_LIGHT_2(color, C, 0.0f,
C += Cl() * (normalize(L()) % i_N) * (1.0f-nondiffuse)
);
}
}
}
return C;
}
void main1(void *arg)
{
color Kd = color(diffuse(), diffuse(), diffuse());
normal Nf = faceforward(normalize(N()), I());
vector V = -normalize(I());
while (illuminance(P(), Nf, PI / 2.0f))
{
color C = 0.0f;
color last = 0.0f;
int num_samples = 0;
while (sample_light())
{
C += Cl() * (
color_() * Kd * (normalize(L()) % Nf)
+ cosinePower() * specularColor() * specularbrdf(normalize(L()), Nf, V, 0.1f/*roughness()*/)
);
++ num_samples;
if ((num_samples % 4) == 0)
{
color current = C * (1.0f / (scalar)num_samples);
if (converged(current, last)){
break;
}
last = current;
}
}
C *= (1.0f / (scalar)num_samples);
Ci() += C;
}
if ( ! less_than( &transparency(), LIQ_SCALAR_ALMOST_ZERO ) )
{//transparent
Ci() = Ci() * ( 1.0f - transparency() ) + trace_transparent() * transparency();
}//else{ opacity }
setOutputForMaya();
}
float illuminance(const Camera& c) noexcept {
const FCamera& camera = upcast(c);
return illuminance(camera.getAperture(), camera.getShutterSpeed(), camera.getSensitivity());
}
