| 11 |
|
/* view types */ |
| 12 |
|
#define VT_PER 'v' /* perspective */ |
| 13 |
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#define VT_PAR 'l' /* parallel */ |
| 14 |
+ |
#define VT_ANG 'a' /* angular fisheye */ |
| 15 |
+ |
#define VT_HEM 'h' /* hemispherical fisheye */ |
| 16 |
|
|
| 17 |
|
typedef struct { |
| 18 |
|
int type; /* view type */ |
| 33 |
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|
| 34 |
|
extern char *setview(); |
| 35 |
|
|
| 34 |
– |
extern double sqrt(); |
| 35 |
– |
|
| 36 |
|
#define viewaspect(v) sqrt((v)->vn2/(v)->hn2) |
| 37 |
|
|
| 38 |
– |
#define copyview(d,s) bcopy((char *)(s),(char *)(d),sizeof(VIEW)) |
| 39 |
– |
|
| 38 |
|
#define STDVIEW {VT_PER,0.,0.,0.,0.,1.,0.,0.,0.,1.,45.,45.,0.,0.} |
| 39 |
|
|
| 40 |
|
#define VIEWSTR "VIEW=" |
| 41 |
+ |
#define VIEWSTRL 5 |
