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.dsy:it. > Didattica > Corsi G - M > Grafica e immagini digitali > myPhong e myLambert

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walterbesuschio

.novellino.

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myPhong e myLambert

Ciao. Qualcuno mi potrebbe dare gentilmente il codice degli shader myLambert.sl e myPhong.sl? Grazie mille!!!!!!!!!!!!!

02-12-2008 18:24

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Ste.dv

.precettore.

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myLambert.sl
surface myLambert(float Kd = 1)
{
color lambert;
normal Nf;

Nf = normalize(N);
Nf = faceforward(Nf, I);
lambert = diffuse(Nf);
Ci = Cs * Kd * lambert;
}

myPhong.sl
surface myPhong(float Kd = 0.5; float Ks = 0.5; float n = 0; color specularColor = (0, 1, 0))
{
color lambert;
color phong;
normal Nf;
vector If;

Nf = faceforward(normalize(N), I);
If = normalize(-I);

phong = specular(Nf, If, n);
lambert = diffuse(Nf);

Ci = (Cs * Kd * lambert) + (specularColor * Ks * phong);
}