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Introduced update_submobject to Animation. I'd be surprised if this didn't break something.

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This commit is contained in:
Grant Sanderson
2016-07-22 15:50:52 -07:00
parent 627f16b057
commit 46e5dbfa14
8 changed files with 232 additions and 133 deletions
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61
animation/simple_animations.py
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@ -18,14 +18,12 @@ class Rotating(Animation):
"rate_func" : None,
"in_place" : True,
}
def update_submobject(self, submobject, starting_mobject, alpha):
submobject.points = starting_submobject.points
def update_mobject(self, alpha):
Animation.update_mobject(self, alpha)
axes = [self.axis] if self.axis is not None else self.axes
families = [
self.mobject.submobject_family(),
self.starting_mobject.submobject_family()
]
for mob, start in zip(*families):
mob.points = np.array(start.points)
if self.in_place:
method = self.mobject.rotate_in_place
else:
@ -34,14 +32,9 @@ class Rotating(Animation):
class ShowPartial(Animation):
CONFIG = {
"submobject_mode" : None
}
def update_mobject(self, alpha):
self.mobject.become_partial(
self.starting_mobject,
*self.get_bounds(alpha),
submobject_partial_creation_mode = self.submobject_mode
def update_submobject(self, submobject, starting_submobject, alpha):
submobject.pointwise_become_partial(
starting_submobject, *self.get_bounds(alpha)
)
def get_bounds(self, alpha):
@ -83,32 +76,6 @@ class ShowPassingFlash(ShowPartial):
return (lower, upper)
class Flash(Animation):
CONFIG = {
"color" : "white",
"slow_factor" : 0.01,
"run_time" : 0.1,
"rate_func" : None,
}
def __init__(self, mobject, **kwargs):
self.intermediate = Mobject(color = self.color)
self.intermediate.add_points([
point + (x, y, 0)
for point in self.mobject.points
for x in [-1, 1]
for y in [-1, 1]
])
Animation.__init__(self, mobject, **kwargs)
def update_mobject(self, alpha):
#Makes alpha go from 0 to slow_factor to 0 instead of 0 to 1
alpha = self.slow_factor * (1.0 - 4 * (alpha - 0.5)**2)
self.mobject.interpolate(
self.starting_mobject,
self.intermediate,
alpha
)
class MoveAlongPath(Animation):
def __init__(self, mobject, vmobject, **kwargs):
digest_config(self, kwargs, locals())
@ -131,16 +98,12 @@ class Homotopy(Animation):
digest_config(self, kwargs)
Animation.__init__(self, mobject, **kwargs)
def update_submobject(self, submob, start, alpha):
submob.points = start.points
def update_mobject(self, alpha):
pairs = zip(
self.mobject.submobject_family(),
self.starting_mobject.submobject_family()
)
for mob, start_mob in pairs:
mob.become_partial(start_mob, 0, 1)
self.mobject.apply_function(
self.function_at_time_t(alpha)
)
Animation.update_mobject(self, alpha)
submob.apply_function(self.function_at_time_t(alpha))
class PhaseFlow(Animation):