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A few bits of cleanup

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Grant Sanderson 2018-01-24 16:09:37 -08:00
parent 932d056ff7
commit ad4ceb3f1a
3 changed files with 16 additions and 8 deletions
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4
mobject/vectorized_mobject.py
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@ -100,12 +100,12 @@ class VMobject(Mobject):
#match styles accordingly #match styles accordingly
submobs1, submobs2 = self.submobjects, vmobject.submobjects submobs1, submobs2 = self.submobjects, vmobject.submobjects
if len(submobs1) == 0: if len(submobs1) == 0:
return return self
elif len(submobs2) == 0: elif len(submobs2) == 0:
submobs2 = [vmobject] submobs2 = [vmobject]
for sm1, sm2 in zip(*make_even(submobs1, submobs2)): for sm1, sm2 in zip(*make_even(submobs1, submobs2)):
sm1.match_style(sm2) sm1.match_style(sm2)
return return self
def fade(self, darkness = 0.5): def fade(self, darkness = 0.5):
for submob in self.submobject_family(): for submob in self.submobject_family():

7
topics/geometry.py
View file

@ -97,9 +97,6 @@ class Arc(VMobject):
return self return self
class Circle(Arc): class Circle(Arc):
CONFIG = { CONFIG = {
"color" : RED, "color" : RED,
@ -511,6 +508,7 @@ class Arrow(Line):
Line.put_start_and_end_on(self, *args, **kwargs) Line.put_start_and_end_on(self, *args, **kwargs)
self.set_tip_points(self.tip, preserve_normal = False) self.set_tip_points(self.tip, preserve_normal = False)
self.set_rectangular_stem_points() self.set_rectangular_stem_points()
return self
def scale(self, scale_factor, **kwargs): def scale(self, scale_factor, **kwargs):
Line.scale(self, scale_factor, **kwargs) Line.scale(self, scale_factor, **kwargs)
@ -520,6 +518,9 @@ class Arrow(Line):
self.set_rectangular_stem_points() self.set_rectangular_stem_points()
return self return self
def copy(self):
return self.deepcopy()
class Vector(Arrow): class Vector(Arrow):
CONFIG = { CONFIG = {
"color" : YELLOW, "color" : YELLOW,

13
topics/number_line.py
View file

@ -200,14 +200,21 @@ class Axes(VGroup):
self.y_axis.point_to_number(point), self.y_axis.point_to_number(point),
) )
def get_graph(self, function, num_graph_points = None, **kwargs): def get_graph(
self, function, num_graph_points = None,
x_min = None,
x_max = None,
**kwargs
):
kwargs["fill_opacity"] = kwargs.get("fill_opacity", 0) kwargs["fill_opacity"] = kwargs.get("fill_opacity", 0)
kwargs["num_anchor_points"] = \ kwargs["num_anchor_points"] = \
num_graph_points or self.default_num_graph_points num_graph_points or self.default_num_graph_points
x_min = x_min or self.x_min
x_max = x_max or self.x_max
graph = ParametricFunction( graph = ParametricFunction(
lambda t : self.coords_to_point(t, function(t)), lambda t : self.coords_to_point(t, function(t)),
t_min = self.x_min, t_min = x_min,
t_max = self.x_max, t_max = x_max,
**kwargs **kwargs
) )
graph.underlying_function = function graph.underlying_function = function