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apply_matrix for Mobject

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Grant Sanderson
2017-08-24 19:06:02 -07:00
parent d2b789c033
commit f1c0a341cc
1 changed files with 6 additions and 2 deletions
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8
mobject/mobject.py
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@ -162,6 +162,12 @@ class Mobject(object):
mob.points = np.apply_along_axis(function, 1, mob.points) mob.points = np.apply_along_axis(function, 1, mob.points)
return self return self
def apply_matrix(self, matrix):
matrix = np.array(matrix)
for mob in self.family_members_with_points():
mob.points = np.dot(mob.points, matrix.T)
return self
def wag(self, direction = RIGHT, axis = DOWN, wag_factor = 1.0): def wag(self, direction = RIGHT, axis = DOWN, wag_factor = 1.0):
for mob in self.family_members_with_points(): for mob in self.family_members_with_points():
alphas = np.dot(mob.points, np.transpose(axis)) alphas = np.dot(mob.points, np.transpose(axis))
@ -706,8 +712,6 @@ class Mobject(object):
def pointwise_become_partial(self, mobject, a, b): def pointwise_become_partial(self, mobject, a, b):
pass #To implement in subclass pass #To implement in subclass
class Group(Mobject): class Group(Mobject):
#Alternate name to improve readibility in cases where #Alternate name to improve readibility in cases where
#the mobject is used primarily for its submobject housing #the mobject is used primarily for its submobject housing