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Cleaned up z0 plane input/output. Note: need to change fx in all .sfy files !

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- solidify/face.h (fx_to_angle, fy_to_angle, fx_from_angle, fy_from_angle):
  helper functions to get/set the z0 plane inclination
- solidify/povray.c (povray_face), solidify/project.c (read_face_data,
  save_face_data): use helper functions to get/set z0 plane
- solidify/project.c (read_face_data, save_face_data): don't negate fx
This commit is contained in:
Werner Almesberger
2010-09-27 00:54:39 -03:00
parent 12f5aa2188
commit 1638123771
3 changed files with 30 additions and 4 deletions
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26
solidify/face.h
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@@ -13,6 +13,8 @@
#ifndef FACE_H
#define FACE_H
#include <math.h>
#include "array.h"
#include "matrix.h"
@@ -34,6 +36,30 @@ static inline double face_z0(const struct face *f, int x, int y)
}
static inline double fx_to_angle(const struct face *f)
{
return atan(f->fx)/M_PI*180;
}
static inline double fy_to_angle(const struct face *f)
{
return atan(f->fy)/M_PI*180;
}
static inline void fx_from_angle(struct face *f, double a)
{
f->fx = tan(a/180*M_PI);
}
static inline void fy_from_angle(struct face *f, double a)
{
f->fy = tan(a/180*M_PI);
}
struct face *read_face(const char *name);
#endif /* !FACE_H */