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Added NormalAnimationAsContinualAnimation

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This commit is contained in:
Grant Sanderson 2017-12-21 13:43:15 -08:00
parent f616ca3d83
commit c14cde5b0a
1 changed files with 25 additions and 2 deletions
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27
animation/continual_animation.py
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@ -68,10 +68,21 @@ class AmbientRotation(ContinualAnimation):
CONFIG = {
"axis" : OUT,
"rate" : np.pi/12, #Radians per second
"in_place" : True,
"about_point" : None,
}
def update_mobject(self, dt):
self.mobject.rotate(dt*self.rate, axis = self.axis)
if self.about_point:
about_point = self.about_point
elif self.in_place:
about_point = self.mobject.get_center()
else:
about_point = ORIGIN
self.mobject.rotate(
dt*self.rate, axis = self.axis,
about_point = about_point
)
class AmbientMovement(ContinualAnimation):
CONFIG = {
@ -102,7 +113,19 @@ class ContinualMaintainPositionRelativeTo(ContinualAnimation):
def update_mobject(self, dt):
self.anim.update(0)
class NormalAnimationAsContinualAnimation(ContinualAnimation):
CONFIG = {
"start_up_time" : 0,
"wind_down_time" : 0,
}
def __init__(self, animation, **kwargs):
self.animation = animation
ContinualAnimation.__init__(self, animation.mobject, **kwargs)
def update_mobject(self, dt):
self.animation.update(
min(float(self.internal_time)/self.animation.run_time, 1)
)