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Interactive Mobjects Performance Improvements

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This commit is contained in:
Sahil Makhijani
2021-01-31 16:05:55 +05:30
parent b63ba1c7a4
commit d6b23324a6
2 changed files with 60 additions and 46 deletions
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29
manimlib/scene/scene.py
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@ -58,6 +58,9 @@ class Scene(object):
self.mouse_point = Point()
self.mouse_drag_point = Point()
self.mob_listners = []
self.mobjects_to_drag = []
# Much nicer to work with deterministic scenes
if self.random_seed is not None:
random.seed(self.random_seed)
@ -205,6 +208,9 @@ class Scene(object):
"""
self.remove(*new_mobjects)
self.mobjects += new_mobjects
for new_mob in new_mobjects:
for mob_listner in filter(lambda mob: mob.listen_to_events, reversed(new_mob.get_family())):
self.mob_listners.insert(0, mob_listner)
return self
def add_mobjects_among(self, values):
@ -232,6 +238,9 @@ class Scene(object):
def bring_to_back(self, *mobjects):
self.remove(*mobjects)
self.mobjects = list(mobjects) + self.mobjects
for new_mob in reversed(mobjects):
for mob_listner in filter(lambda mob: mob.listen_to_events, reversed(new_mob.get_family())):
self.mob_listners.append(mob_listner)
return self
def clear(self):
@ -519,10 +528,7 @@ class Scene(object):
in reversed order. So the top most mobject's event is called first.
This helps in event bubbling.
"""
return filter(
lambda mob: mob.listen_to_events,
reversed(self.get_mobject_family_members())
)
return self.mob_listners
def on_mouse_motion(self, point, d_point):
self.mouse_point.move_to(point)
@ -548,13 +554,16 @@ class Scene(object):
def on_mouse_drag(self, point, d_point, buttons, modifiers):
self.mouse_drag_point.move_to(point)
for mob_listener in self.get_event_listeners_mobjects():
if mob_listener.is_point_touching(point):
propagate_event = mob_listener.on_mouse_drag(point, d_point, buttons, modifiers)
if propagate_event is not None and propagate_event is False:
return
for mob_listener in self.mobjects_to_drag:
propagate_event = mob_listener.on_mouse_drag(point, d_point, buttons, modifiers)
if propagate_event is not None and propagate_event is False:
return
def on_mouse_press(self, point, button, mods):
for mob_listener in self.get_event_listeners_mobjects():
if mob_listener.is_point_touching(point):
self.mobjects_to_drag.append(mob_listener)
for mob_listener in self.get_event_listeners_mobjects():
if mob_listener.is_point_touching(point):
propagate_event = mob_listener.on_mouse_press(point, button, mods)
@ -562,6 +571,8 @@ class Scene(object):
return
def on_mouse_release(self, point, button, mods):
self.mobjects_to_drag = []
for mob_listener in self.get_event_listeners_mobjects():
if mob_listener.is_point_touching(point):
propagate_event = mob_listener.on_mouse_release(point, button, mods)