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Mobject
 Submobject Functions
  def add(self, *mobjects)
  def add_to_back(self, *mobjects)
  def remove(self, *mobjects)
  def push_self_into_submobjects(self)
  def add_n_more_submobjects(self, n)
  def copy(self)
  def deepcopy(self)
  def repeat_submobject(self, submob)
   Example
    Code
    Output

Mobject

The defined submobject function of Mobject in mobject.py is
  • def add(self, *mobjects)
  • def add_to_back(self, *mobjects)
  • def remove(self, *mobjects)
  • def push_self_into_submobjects(self)
  • def add_n_more_submobjects(self, n)
  • def copy(self)
  • def deepcopy(self)
  • def repeat_submobject(self, submob)

Submobject Functions

def add(self, *mobjects)

add is used to add the list of specified mobjects to the front of the submobjects of a Mobject.

def add_to_back(self, *mobjects)

add_to_back is used to add the list of specified mobjects to the back of the submobjects of a Mobject.

def remove(self, *mobjects)

remove is used to remove the list of specified mobjects from the submobject list of a Mobject.

def push_self_into_submobjects(self)

push_self_into_submobjects is used to push a mobject itself into the submobject list of the Mobject by self.add().

def add_n_more_submobjects(self, n)

add_n_more_submobjects is used to add n more submobject with respect to the specified n parameter,n into the submobject list of a Mobject accordingly.

def copy(self)

copy is used to return a copy of a mobject itself through copy.

def deepcopy(self)

deepcopy is used to return a copy of a mobject itself through deepcopy.

def repeat_submobject(self, submob)

repeat_submobject is used to return a copy of mobject with respect to the specified submob parameter, submob, of a Mobject.

Example

Code
# folder/file: tut/manim_mobject_func_submobject_001a.py

import re
import colorsys
from manimlib.imports import *
from manimlib.scene.scene import Scene
from manimlib.mobject.mobject import Mobject
from manimlib.mobject.types.point_cloud_mobject import Point, PointCloudDot
from manimlib.mobject.geometry import Rectangle, Square, Circle, Line,RoundedRectangle
from manimlib.animation.creation import ShowCreation
from manimlib.mobject.svg.tex_mobject import TexMobject, TextMobject
from manimlib.animation.fading import FadeOut, FadeIn, FadeInFromLarge
from manimlib.animation.creation import Write
from manimlib.animation.transform import ApplyMethod, ApplyFunction

class manim_mobject_func_submobject_001a(Scene): 
   def construct(self):
      pnta=PointCloudDot(color="#888888",radius=1,)
      polya=Circle(radius=0.85)
      polyb=Square(side_length=1.5)
      polyc=Rectangle(stroke_width=10,width=1.3,color='#666600')
      def playmobj(text="",xxstr="",obj=1,s="False",t="5"):
         def locals():
            return {"thead":thead, "self":self, "Write":Write, "FadeOut":FadeOut, "Mobject":Mobject, "FadeInFromLarge":FadeInFromLarge, "FadeIn":FadeIn, "pnta": pnta, "polya":polya, "polyb":polyb, "polyc":polyc, "submobsum":submobsum}
         def txtstr(obj):
            return re.sub(r"(   | [\[\<]+)|(\s+|[_#])",txtrpl,str(obj))
         def txtrpl(matchobj):
            if matchobj:
               if matchobj.group(1):
                  return "\cr" + matchobj.group(1)
               elif matchobj.group(2):
                  return "\\" + matchobj.group(2)                   
         def thead(txt):
            result=TexMobject(txtstr(txt))
            if result.get_width() > 13:
               result= result.set_width(13)
            if result.get_height() > 7:
               result= result.set_height(7)
            return result.align_on_border([0,1,0])
         def submobsum(xstr):
            playmobj("len("+xstr+"): "+str(len(eval(xstr, globals(),locals())))+"   "+xstr+": "+str(eval(xstr, globals(),locals())),obj=0)
         if obj==1 : obj=text
         if obj==0 or obj=="": obj="FadeOut(Mobject())"
         exec("if "+str(len(text))+">0:\n\txtext=thead(\""+xxstr+text+"\")\n\tself.play(Write(xtext),"+obj+",run_time=0.3)\n\tself.wait("+t+")\n\tself.play(FadeOut(xtext),run_time=0.1)\nif '"+s+"'!='False': submobsum('"+s+"')", globals(), locals())
      playmobj("FadeInFromLarge(pnta)","pnta=PointCloudDot(color='#888888',radius=1,)   ")
      playmobj("FadeIn(pnta.add(polya))","polya=Circle(radius=0.85)   ")
      playmobj("FadeIn(pnta.add_to_back(polyb))","polyb=Square(side_length=1.5)   ")
      playmobj("FadeIn(pnta.add(polyc))","polyc=Rectangle(stroke_width=10,width=1.3,color='#666600')   ",s="pnta.submobjects")
      playmobj("FadeIn(pnta.remove(polyb))",s="pnta.submobjects")
      playmobj("FadeIn(pnta.push_self_into_submobjects())",s="pnta.submobjects")
      playmobj("FadeIn(pnta.submobjects[2].shift([0,1.5,0]))")
      playmobj("FadeIn(pnta.add_n_more_submobjects(4))",s="pnta.submobjects")
      playmobj("FadeIn(pnta.copy().shift([3,0,0]))",s="self.get_mobjects()")
      playmobj("FadeIn(pnta.deepcopy().shift([6,0,0]))",s="self.get_mobjects()")
      playmobj("FadeIn(pnta.add(pnta.repeat_submobject(polyb).shift([-3,0,0])))",s="pnta.submobjects")
      playmobj("FadeIn(pnta.add(polyb.copy()))",s="self.get_mobjects()")
      playmobj(s="pnta.get_family()")
      playmobj(s="pnta.submobjects")
      self.wait()
Output
image

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ID: 200300902 Last Updated: 3/9/2020 Revision: 0


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