# | Line 156 | Line 156 | dirnorm( /* compute source contribution */ | |
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156 | /* roughness + source */ | |
157 | dtmp = np->alpha2 + omega*(1.0/PI); | |
158 | /* gaussian */ | |
159 | < | dtmp = exp((2.*DOT(np->prdir,ldir)-2.)/dtmp) / |
160 | < | (PI*np->pdot*dtmp); |
159 | > | dtmp = exp((2.*DOT(np->prdir,ldir)-2.)/dtmp)/(PI*dtmp); |
160 | /* worth using? */ | |
161 | if (dtmp > FTINY) { | |
162 | copycolor(ctmp, np->mcolor); | |
163 | < | dtmp *= np->tspec * omega; |
163 | > | dtmp *= np->tspec * omega * sqrt(-ldot/np->pdot); |
164 | scalecolor(ctmp, dtmp); | |
165 | addcolor(cval, ctmp); | |
166 | } |
– | Removed lines |
+ | Added lines |
< | Changed lines |
> | Changed lines |