Werner Almesberger f3e7c1ec73 Various coordinate transform corrections in overlap.c ...

- solidify/face.h (struct matrix), solidify/face.c (read_file): also record
  the face's center
- solidify/overlap.c (point): reference faces to the screen center
- solidify/overlap.c (point): use correct model coordinates for z0
  calculation

2010-09-24 03:46:32 -03:00

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