def __init__(self, mobject: Mobject, tracked_mobject: Mobject, **kwargs):
self.tracked_mobject = tracked_mobject
self.diff = op.sub(
mobject.get_center(),
tracked_mobject.get_center(),
)
super().__init__(mobject, **kwargs)
def __init__(self, mobject: Mobject, target_mobject: Mobject, **kwargs):
digest_config(self, kwargs)
assert (isinstance(mobject, self.mobject_type))
assert (isinstance(target_mobject, self.mobject_type))
source_map = self.get_shape_map(mobject)
target_map = self.get_shape_map(target_mobject)
# Create two mobjects whose submobjects all match each other
# according to whatever keys are used for source_map and
# target_map
transform_source = self.group_type()
transform_target = self.group_type()
kwargs["final_alpha_value"] = 0
for key in set(source_map).intersection(target_map):
transform_source.add(source_map[key])
transform_target.add(target_map[key])
anims = [Transform(transform_source, transform_target, **kwargs)]
# User can manually specify when one part should transform
# into another despite not matching by using key_map
key_mapped_source = self.group_type()
key_mapped_target = self.group_type()
for key1, key2 in self.key_map.items():
if key1 in source_map and key2 in target_map:
key_mapped_source.add(source_map[key1])
key_mapped_target.add(target_map[key2])
source_map.pop(key1, None)
target_map.pop(key2, None)
if len(key_mapped_source) > 0:
anims.append(
FadeTransformPieces(
key_mapped_source,
key_mapped_target,
))
fade_source = self.group_type()
fade_target = self.group_type()
for key in set(source_map).difference(target_map):
fade_source.add(source_map[key])
for key in set(target_map).difference(source_map):
fade_target.add(target_map[key])
if self.transform_mismatches:
anims.append(Transform(fade_source.copy(), fade_target, **kwargs))
if self.fade_transform_mismatches:
anims.append(
FadeTransformPieces(fade_source, fade_target, **kwargs))
else:
anims.append(
FadeOutToPoint(fade_source, target_mobject.get_center(),
**kwargs))
anims.append(
FadeInFromPoint(fade_target.copy(), mobject.get_center(),
**kwargs))
super().__init__(*anims)
self.to_remove = mobject
self.to_add = target_mobject
def __init__(self, mobject: Mobject, point: np.ndarray, **kwargs):
super().__init__(
mobject,
shift=point - mobject.get_center(),
scale=0,
**kwargs,
)
def __init__(self, mobject: Mobject, point: np.ndarray, **kwargs):
super().__init__(
mobject,
shift=mobject.get_center() - point,
scale=np.inf,
**kwargs,
)
def __init__(self, mobject: Mobject, **kwargs):
point = mobject.get_center()
super().__init__(mobject, point, **kwargs)
