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Up to folding the unit square in wcat

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This commit is contained in:
Grant Sanderson
2016-10-30 12:39:32 -07:00
parent cdde0ea0a7
commit 96d99ee40b
3 changed files with 586 additions and 6 deletions
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6
mobject/mobject.py
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@ -123,15 +123,19 @@ class Mobject(object):
mob.points *= scale_factor
return self
def rotate(self, angle, axis = OUT, axes = []):
def rotate(self, angle, axis = OUT, axes = [], about_point = None):
if len(axes) == 0:
axes = [axis]
if about_point is not None:
self.shift(-about_point)
rot_matrix = np.identity(self.dim)
for axis in axes:
rot_matrix = np.dot(rot_matrix, rotation_matrix(angle, axis))
t_rot_matrix = np.transpose(rot_matrix)
for mob in self.family_members_with_points():
mob.points = np.dot(mob.points, t_rot_matrix)
if about_point is not None:
self.shift(about_point)
return self
def stretch(self, factor, dim):