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Added ShowSubmobjectsOneByOne

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This commit is contained in:
Grant Sanderson 2019-09-19 13:38:03 -07:00
parent ffecd03cb2
commit 307ac852a6
1 changed files with 17 additions and 0 deletions
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17
manimlib/animation/creation.py
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@ -1,5 +1,6 @@
from manimlib.animation.animation import Animation from manimlib.animation.animation import Animation
from manimlib.mobject.types.vectorized_mobject import VMobject from manimlib.mobject.types.vectorized_mobject import VMobject
from manimlib.mobject.mobject import Group
from manimlib.utils.bezier import integer_interpolate from manimlib.utils.bezier import integer_interpolate
from manimlib.utils.config_ops import digest_config from manimlib.utils.config_ops import digest_config
from manimlib.utils.rate_functions import linear from manimlib.utils.rate_functions import linear
@ -132,4 +133,20 @@ class ShowIncreasingSubsets(Animation):
def interpolate_mobject(self, alpha): def interpolate_mobject(self, alpha):
n_submobs = len(self.all_submobs) n_submobs = len(self.all_submobs)
index = int(self.int_func(alpha * n_submobs)) index = int(self.int_func(alpha * n_submobs))
self.update_submobject_list(index)
def update_submobject_list(self, index):
self.mobject.submobjects = self.all_submobs[:index] self.mobject.submobjects = self.all_submobs[:index]
class ShowSubmobjectsOneByOne(ShowIncreasingSubsets):
def __init__(self, group, **kwargs):
new_group = Group(*group)
super().__init__(new_group, **kwargs)
def update_submobject_list(self, index):
# N = len(self.all_submobs)
if index == 0:
self.mobject.submobjects = []
else:
self.mobject.submobjects = self.all_submobs[index - 1]