diff options
Diffstat (limited to 'lib/stitches/running_stitch.py')
| -rw-r--r-- | lib/stitches/running_stitch.py | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/stitches/running_stitch.py b/lib/stitches/running_stitch.py index a2b8251a..49d29c72 100644 --- a/lib/stitches/running_stitch.py +++ b/lib/stitches/running_stitch.py @@ -118,6 +118,8 @@ class AngleInterval(): if self.all: return None segArc = AngleInterval.fromSegment(a - origin, b - origin) + if segArc is None: + return a # b is exactly behind origin from a if segArc.containsAngle(self.a): return cut_segment_with_angle(origin, self.a, a, b) elif segArc.containsAngle(self.b): @@ -209,15 +211,18 @@ def path_to_curves(points: typing.List[Point]): # split a path at obvious corner points so that they get stitched exactly curves = [] last = 0 + last_seg = points[1] - points[0] for i in range(1, len(points) - 1): - a = points[i] - points[i-1] + a = last_seg b = points[i + 1] - points[i] aabb = (a * a) * (b * b) - abab = (a * b) * (a * b) - if aabb > 0.000001 and 2 * abab < aabb: + abab = (a * b) * abs(a * b) + if aabb > 0 and 2 * abab < aabb: # inner angle of at most 135 deg - curves.append(points[last: i+1]) + curves.append(points[last: i + 1]) last = i + if b * b > 0: + last_seg = b curves.append(points[last:]) return curves |