26 |
|
{ |
27 |
|
double atof(), sin(), cos(); |
28 |
|
double xfmat[4][4], m4[4][4]; |
29 |
< |
double xfsca, theta; |
29 |
> |
double xfsca, dtmp; |
30 |
|
int i, icnt; |
31 |
|
|
32 |
|
setident4(retmat); |
52 |
|
switch (av[i][2]) { |
53 |
|
case 'x': |
54 |
|
checkarg(3,1); |
55 |
< |
theta = d2r(atof(av[++i])); |
56 |
< |
m4[1][1] = m4[2][2] = cos(theta); |
57 |
< |
m4[2][1] = -(m4[1][2] = sin(theta)); |
55 |
> |
dtmp = d2r(atof(av[++i])); |
56 |
> |
m4[1][1] = m4[2][2] = cos(dtmp); |
57 |
> |
m4[2][1] = -(m4[1][2] = sin(dtmp)); |
58 |
|
break; |
59 |
|
case 'y': |
60 |
|
checkarg(3,1); |
61 |
< |
theta = d2r(atof(av[++i])); |
62 |
< |
m4[0][0] = m4[2][2] = cos(theta); |
63 |
< |
m4[0][2] = -(m4[2][0] = sin(theta)); |
61 |
> |
dtmp = d2r(atof(av[++i])); |
62 |
> |
m4[0][0] = m4[2][2] = cos(dtmp); |
63 |
> |
m4[0][2] = -(m4[2][0] = sin(dtmp)); |
64 |
|
break; |
65 |
|
case 'z': |
66 |
|
checkarg(3,1); |
67 |
< |
theta = d2r(atof(av[++i])); |
68 |
< |
m4[0][0] = m4[1][1] = cos(theta); |
69 |
< |
m4[1][0] = -(m4[0][1] = sin(theta)); |
67 |
> |
dtmp = d2r(atof(av[++i])); |
68 |
> |
m4[0][0] = m4[1][1] = cos(dtmp); |
69 |
> |
m4[1][0] = -(m4[0][1] = sin(dtmp)); |
70 |
|
break; |
71 |
|
default: |
72 |
|
return(i); |
75 |
|
|
76 |
|
case 's': /* scale */ |
77 |
|
checkarg(2,1); |
78 |
+ |
dtmp = atof(av[i+1]); |
79 |
+ |
if (dtmp == 0.0) goto done; |
80 |
+ |
i++; |
81 |
|
xfsca *= |
82 |
|
m4[0][0] = |
83 |
|
m4[1][1] = |
84 |
< |
m4[2][2] = atof(av[++i]); |
84 |
> |
m4[2][2] = dtmp; |
85 |
|
break; |
86 |
|
|
87 |
|
case 'm': /* mirror */ |
140 |
|
{ |
141 |
|
double atof(), sin(), cos(); |
142 |
|
double xfmat[4][4], m4[4][4]; |
143 |
< |
double xfsca, theta; |
143 |
> |
double xfsca, dtmp; |
144 |
|
int i, icnt; |
145 |
|
|
146 |
|
setident4(retmat); |
166 |
|
switch (av[i][2]) { |
167 |
|
case 'x': |
168 |
|
checkarg(3,1); |
169 |
< |
theta = -d2r(atof(av[++i])); |
170 |
< |
m4[1][1] = m4[2][2] = cos(theta); |
171 |
< |
m4[2][1] = -(m4[1][2] = sin(theta)); |
169 |
> |
dtmp = -d2r(atof(av[++i])); |
170 |
> |
m4[1][1] = m4[2][2] = cos(dtmp); |
171 |
> |
m4[2][1] = -(m4[1][2] = sin(dtmp)); |
172 |
|
break; |
173 |
|
case 'y': |
174 |
|
checkarg(3,1); |
175 |
< |
theta = -d2r(atof(av[++i])); |
176 |
< |
m4[0][0] = m4[2][2] = cos(theta); |
177 |
< |
m4[0][2] = -(m4[2][0] = sin(theta)); |
175 |
> |
dtmp = -d2r(atof(av[++i])); |
176 |
> |
m4[0][0] = m4[2][2] = cos(dtmp); |
177 |
> |
m4[0][2] = -(m4[2][0] = sin(dtmp)); |
178 |
|
break; |
179 |
|
case 'z': |
180 |
|
checkarg(3,1); |
181 |
< |
theta = -d2r(atof(av[++i])); |
182 |
< |
m4[0][0] = m4[1][1] = cos(theta); |
183 |
< |
m4[1][0] = -(m4[0][1] = sin(theta)); |
181 |
> |
dtmp = -d2r(atof(av[++i])); |
182 |
> |
m4[0][0] = m4[1][1] = cos(dtmp); |
183 |
> |
m4[1][0] = -(m4[0][1] = sin(dtmp)); |
184 |
|
break; |
185 |
|
default: |
186 |
|
return(i); |
189 |
|
|
190 |
|
case 's': /* scale */ |
191 |
|
checkarg(2,1); |
192 |
+ |
dtmp = atof(av[i+1]); |
193 |
+ |
if (dtmp == 0.0) goto done; |
194 |
+ |
i++; |
195 |
|
xfsca *= |
196 |
|
m4[0][0] = |
197 |
|
m4[1][1] = |
198 |
< |
m4[2][2] = 1.0 / atof(av[++i]); |
198 |
> |
m4[2][2] = 1.0 / dtmp; |
199 |
|
break; |
200 |
|
|
201 |
|
case 'm': /* mirror */ |