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Mobject
 def add_background_rectangle(self, color=BLACK, opacity=0.75, **kwargs)
 def add_background_rectangle_to_submobjects(self, **kwargs)
 def add_background_rectangle_to_family_members_with_points(self, **kwargs)
  Example
   Code
   Output

Mobject

The defined background rectangle functions for Mobject in mobject.py
  • def add_background_rectangle(self, color=BLACK, opacity=0.75, **kwargs)
  • def add_background_rectangle_to_submobjects(self, **kwargs)
  • def add_background_rectangle_to_family_members_with_points(self, **kwargs)

def add_background_rectangle(self, color=BLACK, opacity=0.75, **kwargs)

add_background_rectangle is used to add a background rectangle to a Mobject according to the specified parameters.

def add_background_rectangle_to_submobjects(self, **kwargs)

add_background_rectangle_to_submobjects is used to add a background rectangle to each submobjects of the Mobject according to the specified parameters.

def add_background_rectangle_to_family_members_with_points(self, **kwargs)

add_background_rectangle is used to add a background rectangle to family_members_with_points of a Mobject according to the specified parameters.

Example

Code

# folder/file: tut/manim_mobject_func_backgroundrectangle_001a.py

from manimlib.scene.scene import Scene
from manimlib.mobject.geometry import Rectangle, Square, Circle, Line,RoundedRectangle, Dot
from manimlib.animation.creation import ShowCreation
from manimlib.mobject.svg.tex_mobject import TexMobject, TextMobject
from manimlib.animation.fading import FadeOut
from manimlib.animation.creation import Write
from manimlib.animation.transform import ApplyMethod, ApplyFunction

class manim_mobject_func_backgroundrectangle_001a(Scene): 
   def construct(self):
      linex=Line([2,2,0],[1,1,0],color="#88FF00")
      polya= RoundedRectangle(width=2,height=2,corner_radius=0.5,stroke_width=0,fill_color="#FFFF00",fill_opacity=1)
      polyb = Rectangle(width=2.5,height=1.5,stroke_width=15,color="#88FF00",fill_color="#FFFF00",fill_opacity=1)
      polyc= Square(side_length=2,stroke_width=20,fill_color="#FF8800",fill_opacity=1).move_to([-3,-2,0])
      polyd= Circle(arc_center=(-2,0.75,0),color="#888888")
      polya.add(Rectangle(width=2,height=2,color="#77DDCC").move_to(polya))
      polya.add(Rectangle(width=1,height=2.5,color="#77DDCC").move_to(polya))
      polya.add(TextMobject("A").move_to([2,0,0]))
      polye = RoundedRectangle(width=1.25,height=3.75,corner_radius=0.5,color="#888888",fill_color="#333333",fill_opacity=1).move_to([-0.625,-1.125,0])
      polyf= Rectangle(width=1,height=2,color="#888888").move_to([-2.5,-2,0])
      polyg= Rectangle(width=1,height=2,color="#888888").move_to([2,-2,0])
      polyb.add(polye)
      self.play(ShowCreation(polyb),run_time=2)
      self.wait()
      self.play(ShowCreation(polyc),ShowCreation(polyf),run_time=2)
      self.wait()
      polyb.add(polyg)
      self.wait()
      self.play(ShowCreation(polya.move_to(polyd)),ShowCreation(polyd),run_time=2)
      self.wait()
      self.add(TextMobject("B").move_to([0,0,0]))
      self.add(TextMobject("C").move_to(polyc))
      self.add(TextMobject("E").move_to(polye))
      textg=TextMobject("G").move_to([1,-2,0])
      polyb.add(textg)
      self.add(linex)
      self.add(Rectangle(width=14.22,height=8))
      self.wait()
      text=TexMobject("polya.add\_background\_rectangle(color=\"\#FF8833\")").move_to([0,3,0])
      self.play(Write(text),ApplyFunction(lambda mob:mob.add_background_rectangle(color="#FF8833"),polya),run_time=3)
      self.wait()
      self.play(FadeOut(text),run_time=2)
      text=TexMobject("polya.add\_background\_rectangle\_to\_submobjects\cr(color=\"\#FF8833\", opacity=0.25)").move_to([0,3,0])
      self.play(Write(text),ApplyFunction(lambda mob:mob.add_background_rectangle_to_submobjects(color="#FF8833", opacity=0.25),polyb),run_time=3)
      self.wait()
      self.play(FadeOut(text),run_time=2)
      text=TexMobject("polya.add\_background\_rectangle\_to\_family\_members\cr\_with\_points(color=\"\#FF8833\")").move_to([0,3,0])
      self.play(Write(text),ApplyFunction(lambda mob:mob.add_background_rectangle_to_family_members_with_points(color="#668833"),polyb),run_time=5)
      self.wait()
      self.play(FadeOut(text),run_time=2)

Output

image

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ID: 200301402 Last Updated: 3/14/2020 Revision: 0


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