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cameo/area.c (hit_segment): clean up entry/exit handling

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This commit is contained in:
Werner Almesberger 2012-03-20 19:18:08 -03:00
parent d79424d9ae
commit ebcdfd52ca
1 changed files with 2 additions and 3 deletions
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5
cameo/area.c
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@ -167,9 +167,8 @@ static int hit_segment(double fx, double fy, double tx, double ty,
dx = b->x-a->x; dx = b->x-a->x;
dy = b->y-a->y; dy = b->y-a->y;
if (enter && dy < 0) /* -dy becomes the x component of the normal vector */
return 0; if (enter ? dy < 0 : dy > 0)
if (!enter && dy > 0)
return 0; return 0;
d = hypot(dx, dy); d = hypot(dx, dy);