| 38 |
|
|
| 39 |
|
if (initfile != NULL) { |
| 40 |
|
loadfunc(initfile); |
| 41 |
< |
scompile(NULL, "Dx=$1;Dy=$2;Dz=$3;"); |
| 42 |
< |
scompile(NULL, "Nx=$4;Ny=$5;Nz=$6;"); |
| 43 |
< |
scompile(NULL, "Px=$7;Py=$8;Pz=$9;"); |
| 44 |
< |
scompile(NULL, "T=$10;Rdot=$11;"); |
| 45 |
< |
scompile(NULL, "S=$12;Tx=$13;Ty=$14;Tz=$15;"); |
| 46 |
< |
scompile(NULL, "Ix=$16;Iy=$17;Iz=$18;"); |
| 47 |
< |
scompile(NULL, "Jx=$19;Jy=$20;Jz=$21;"); |
| 48 |
< |
scompile(NULL, "Kx=$22;Ky=$23;Kz=$24;"); |
| 41 |
> |
scompile("Dx=$1;Dy=$2;Dz=$3;", NULL, 0); |
| 42 |
> |
scompile("Nx=$4;Ny=$5;Nz=$6;", NULL, 0); |
| 43 |
> |
scompile("Px=$7;Py=$8;Pz=$9;", NULL, 0); |
| 44 |
> |
scompile("T=$10;Rdot=$11;", NULL, 0); |
| 45 |
> |
scompile("S=$12;Tx=$13;Ty=$14;Tz=$15;", NULL, 0); |
| 46 |
> |
scompile("Ix=$16;Iy=$17;Iz=$18;", NULL, 0); |
| 47 |
> |
scompile("Jx=$19;Jy=$20;Jz=$21;", NULL, 0); |
| 48 |
> |
scompile("Kx=$22;Ky=$23;Kz=$24;", NULL, 0); |
| 49 |
|
funset("arg", 1, l_arg); |
| 50 |
|
funset("noise3", 3, l_noise3); |
| 51 |
|
funset("noise3a", 3, l_noise3a); |
| 133 |
|
double sum; |
| 134 |
|
register RAY *r; |
| 135 |
|
|
| 136 |
< |
n--; /* for convenience */ |
| 136 |
> |
if (--n < 0) |
| 137 |
> |
goto badchan; |
| 138 |
|
|
| 138 |
– |
if (n < 0 || n > 23) |
| 139 |
– |
error(USER, "illegal channel number"); |
| 140 |
– |
|
| 141 |
– |
if (n == 9) { /* distance */ |
| 142 |
– |
|
| 143 |
– |
sum = fray->rot; |
| 144 |
– |
for (r = fray->parent; r != NULL; r = r->parent) |
| 145 |
– |
sum += r->rot; |
| 146 |
– |
return(sum * fxf.sca); |
| 147 |
– |
|
| 148 |
– |
} |
| 149 |
– |
if (n == 10) /* dot product */ |
| 150 |
– |
return(fray->rod); |
| 151 |
– |
|
| 139 |
|
if (n < 3) /* ray direction */ |
| 140 |
|
|
| 141 |
|
return( ( fray->rdir[0]*fxf.xfm[0][n] + |
| 157 |
|
fray->rop[2]*fxf.xfm[2][n-6] + |
| 158 |
|
fxf.xfm[3][n-6] ); |
| 159 |
|
|
| 160 |
+ |
if (n == 9) { /* distance */ |
| 161 |
+ |
|
| 162 |
+ |
sum = fray->rot; |
| 163 |
+ |
for (r = fray->parent; r != NULL; r = r->parent) |
| 164 |
+ |
sum += r->rot; |
| 165 |
+ |
return(sum * fxf.sca); |
| 166 |
+ |
|
| 167 |
+ |
} |
| 168 |
+ |
if (n == 10) /* dot product */ |
| 169 |
+ |
return(fray->rod); |
| 170 |
+ |
|
| 171 |
|
if (n == 11) /* scale */ |
| 172 |
|
return(fxf.sca); |
| 173 |
|
|
| 182 |
|
|
| 183 |
|
if (n < 24) /* k unit vector */ |
| 184 |
|
return(fxf.xfm[2][n-21] / fxf.sca); |
| 185 |
+ |
badchan: |
| 186 |
+ |
error(USER, "illegal channel number"); |
| 187 |
|
} |
