def play(self, *animations, **kwargs):
self.num_animations += 1
if "run_time" in kwargs:
run_time = kwargs["run_time"]
else:
run_time = animations[0].run_time
for animation in animations:
animation.set_run_time(run_time)
moving_mobjects = [mobject for anim in animations for mobject in anim.mobject.submobject_family()]
bundle = Mobject(*self.mobjects)
static_mobjects = filter(lambda m: m not in moving_mobjects, bundle.submobject_family())
background = disp.paint_mobjects(static_mobjects, self.background, include_sub_mobjects=False)
times = np.arange(0, run_time, self.frame_duration)
time_progression = ProgressDisplay(times)
time_progression.set_description(
"Animation %d: " % self.num_animations + str(animations[0]) + (", etc." if len(animations) > 1 else "")
)
for t in time_progression:
for animation in animations:
animation.update(t / animation.run_time)
new_frame = disp.paint_mobjects([anim.mobject for anim in animations], background)
self.frames.append(new_frame)
for animation in animations:
animation.clean_up()
self.add(*[anim.mobject for anim in animations])
self.repaint_mojects()
return self
def add(self, *mobjects):
"""
Mobjects will be displayed, from background to foreground,
in the order with which they are entered.
"""
if not all_elements_are_instances(mobjects, Mobject):
raise Exception("Adding something which is not a mobject")
self.set_frame(disp.paint_mobjects(mobjects, self.get_frame()))
old_mobjects = filter(lambda m: m not in mobjects, self.mobjects)
self.mobjects = old_mobjects + list(mobjects)
return self
def add(self, *mobjects):
"""
Mobjects will be displayed, from background to foreground,
in the order with which they are entered.
"""
if not all_elements_are_instances(mobjects, Mobject):
raise Exception("Adding something which is not a mobject")
self.set_frame(disp.paint_mobjects(mobjects, self.get_frame()))
old_mobjects = filter(lambda m : m not in mobjects, self.mobjects)
self.mobjects = old_mobjects + list(mobjects)
return self
def play(self, *animations, **kwargs):
if "run_time" in kwargs:
run_time = kwargs["run_time"]
else:
run_time = animations[0].run_time
for animation in animations:
animation.set_run_time(run_time)
moving_mobjects = [
mobject
for anim in animations
for mobject in anim.mobject.get_full_submobject_family()
]
bundle = Mobject(*self.mobjects)
static_mobjects = filter(
lambda m : m not in moving_mobjects,
bundle.get_full_submobject_family()
)
background = disp.paint_mobjects(
static_mobjects,
self.background,
include_sub_mobjects = False
)
print "Generating " + ", ".join(map(str, animations))
progress_bar = progressbar.ProgressBar(maxval=run_time)
progress_bar.start()
for t in np.arange(0, run_time, self.frame_duration):
progress_bar.update(t)
for animation in animations:
animation.update(t / animation.run_time)
new_frame = disp.paint_mobjects(moving_mobjects, background)
self.frames.append(new_frame)
for animation in animations:
animation.clean_up()
self.add(*moving_mobjects)
self.repaint_mojects()
progress_bar.finish()
return self
def play(self, *animations, **kwargs):
self.num_animations += 1
if "run_time" in kwargs:
run_time = kwargs["run_time"]
else:
run_time = animations[0].run_time
for animation in animations:
animation.set_run_time(run_time)
moving_mobjects = [
mobject for anim in animations
for mobject in anim.mobject.submobject_family()
]
bundle = Mobject(*self.mobjects)
static_mobjects = filter(lambda m: m not in moving_mobjects,
bundle.submobject_family())
background = disp.paint_mobjects(static_mobjects,
self.background,
include_sub_mobjects=False)
times = np.arange(0, run_time, self.frame_duration)
time_progression = ProgressDisplay(times)
time_progression.set_description(
"Animation %d: "%self.num_animations + \
str(animations[0]) + \
(", etc." if len(animations) > 1 else "")
)
for t in time_progression:
for animation in animations:
animation.update(t / animation.run_time)
new_frame = disp.paint_mobjects(
[anim.mobject for anim in animations], background)
self.frames.append(new_frame)
for animation in animations:
animation.clean_up()
self.add(*[anim.mobject for anim in animations])
self.repaint_mojects()
return self
def play_over_time_range(self, t0, t1, *animations):
needed_scene_time = max(abs(t0), abs(t1))
existing_scene_time = len(self.frames)*self.frame_duration
if existing_scene_time < needed_scene_time:
self.dither(needed_scene_time - existing_scene_time)
existing_scene_time = needed_scene_time
#So negative values may be used
if t0 < 0:
t0 = float(t0)%existing_scene_time
if t1 < 0:
t1 = float(t1)%existing_scene_time
t0, t1 = min(t0, t1), max(t0, t1)
moving_mobjects = [anim.mobject for anim in animations]
for t in np.arange(t0, t1, self.frame_duration):
for animation in animations:
animation.update((t-t0)/(t1 - t0))
index = int(t/self.frame_duration)
self.frames[index] = disp.paint_mobjects(moving_mobjects, self.frames[index])
for animation in animations:
animation.clean_up()
return self
def play_over_time_range(self, t0, t1, *animations):
needed_scene_time = max(abs(t0), abs(t1))
existing_scene_time = len(self.frames) * self.frame_duration
if existing_scene_time < needed_scene_time:
self.dither(needed_scene_time - existing_scene_time)
existing_scene_time = needed_scene_time
#So negative values may be used
if t0 < 0:
t0 = float(t0) % existing_scene_time
if t1 < 0:
t1 = float(t1) % existing_scene_time
t0, t1 = min(t0, t1), max(t0, t1)
moving_mobjects = [anim.mobject for anim in animations]
for t in np.arange(t0, t1, self.frame_duration):
for animation in animations:
animation.update((t - t0) / (t1 - t0))
index = int(t / self.frame_duration)
self.frames[index] = disp.paint_mobjects(moving_mobjects,
self.frames[index])
for animation in animations:
animation.clean_up()
return self
def paint_into_background(self, *mobjects):
#This way current mobjects don't have to be redrawn with
#every change, and one can later call "apply" without worrying
#about it applying to these mobjects
self.background = disp.paint_mobjects(mobjects, self.background)
return self
def repaint_mojects(self):
self.set_frame(disp.paint_mobjects(self.mobjects, self.background))
return self
def paint_into_background(self, *mobjects):
#This way current mobjects don't have to be redrawn with
#every change, and one can later call "apply" without worrying
#about it applying to these mobjects
self.background = disp.paint_mobjects(mobjects, self.background)
return self
def repaint_mojects(self):
self.set_frame(disp.paint_mobjects(self.mobjects, self.background))
return self
