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Account for rotation/mirror in Pattern.dfs()

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This commit is contained in:
Jan Petykiewicz 2019-05-25 12:41:51 -07:00
parent b5bd7cd9c8
commit 6801ee7fc0
1 changed files with 5 additions and 1 deletions
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6
masque/pattern.py
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@ -224,9 +224,13 @@ class Pattern:
for subpattern in self.subpatterns: for subpattern in self.subpatterns:
if transform is not False: if transform is not False:
sign = numpy.ones(2)
if transform[3]:
sign[1] = -1
xy = numpy.dot(rotation_matrix_2d(transform[2]), subpattern.offset * sign)
mirror_x, angle = normalize_mirror(subpattern.mirrored) mirror_x, angle = normalize_mirror(subpattern.mirrored)
angle += subpattern.rotation angle += subpattern.rotation
sp_transform = transform + numpy.hstack((subpattern.offset, angle, mirror_x)) sp_transform = transform + (xy[0], xy[1], angle, mirror_x)
sp_transform[3] %= 2 sp_transform[3] %= 2
else: else:
sp_transform = False sp_transform = False