l jdZddlmZddgZddlmZddlZddlm Z dd l m Z dd l m Z dd lmZmZdd lmZGd de ZGddeZGddeZdS)aFading in and out of view. .. manim:: Fading class Fading(Scene): def construct(self): tex_in = Tex("Fade", "In").scale(3) tex_out = Tex("Fade", "Out").scale(3) self.play(FadeIn(tex_in, shift=DOWN, scale=0.66)) self.play(ReplacementTransform(tex_in, tex_out)) self.play(FadeOut(tex_out, shift=DOWN * 2, scale=1.5)) ) annotationsFadeOutFadeIn)AnyN) OpenGLMobject) Transform)ORIGIN)GroupMobject)Scenec6eZdZdZdddddfdZddZxZS)_FadeaFade :class:`~.Mobject` s in or out. Parameters ---------- mobjects The mobjects to be faded. shift The vector by which the mobject shifts while being faded. target_position The position to/from which the mobject moves while being faded in. In case another mobject is given as target position, its center is used. scale The factor by which the mobject is scaled initially before being rescaling to its original size while being faded in. N)shifttarget_positionscalemobjectsr rnp.ndarray | Nonernp.ndarray | Mobject | NonerfloatkwargsrreturnNonec|stdt|dkr|dnt|}d|_|X|Ot |t t fr|}||z }d|_nt}||_ ||_ tj |fi|dS)Nz$At least one mobject must be passed.rrFT) ValueErrorlenr point_target isinstancer r get_centerr shift_vector scale_factorsuper__init__)selfrrrrrmobject __class__s Q/home/agentuser/manim-venv/lib/python3.11/site-packages/manim/animation/fading.pyr$z_Fade.__init__4s ECDD D!$X!!3!3(1++9I! =*o/GHHC&5&@&@&B&BO''*<*<*>*>>$(!!!!++F+++++fadeInboolc|j}|d|r |jsdnd}||j|z||j|S)a Create a faded, shifted and scaled copy of the mobject. Parameters ---------- fadeIn Whether the faded mobject is used to fade in. Returns ------- Mobject The faded, shifted and scaled copy of the mobject. r)r&copyfaderrr!rr")r%r* faded_mobjectdirection_modifiers r(_create_faded_mobjectz_Fade._create_faded_mobjectMs|"&!2!2!4!4 1#)J$2CJRRD-0BBCCCD-...r)) rr rrrrrrrrrr)r*r+rr )__name__ __module__ __qualname____doc__r$r2 __classcell__r's@r(rr"sp($(7; ,,,,,,,,2r)rc4eZdZdZd fd Zd d Zd d ZxZS) raFade in :class:`~.Mobject` s. Parameters ---------- mobjects The mobjects to be faded in. shift The vector by which the mobject shifts while being faded in. target_position The position from which the mobject starts while being faded in. In case another mobject is given as target position, its center is used. scale The factor by which the mobject is scaled initially before being rescaling to its original size while being faded in. Examples -------- .. manim :: FadeInExample class FadeInExample(Scene): def construct(self): dot = Dot(UP * 2 + LEFT) self.add(dot) tex = Tex( "FadeIn with ", "shift ", r" or target\_position", " and scale" ).scale(1) animations = [ FadeIn(tex[0]), FadeIn(tex[1], shift=DOWN), FadeIn(tex[2], target_position=dot), FadeIn(tex[3], scale=1.5), ] self.play(AnimationGroup(*animations, lag_ratio=0.5)) rr rrrrc>tj|ddi|dS)N introducerTr#r$r%rrr's r(r$zFadeIn.__init__s*(>t>v>>>>>r)c|jS)N)r&r%s r( create_targetzFadeIn.create_targets |r)c.|dS)NTr*r2r?s r(create_starting_mobjectzFadeIn.create_starting_mobjects)))666r)rr rrrrrr )r3r4r5r6r$r@rDr7r8s@r(rrbsp##J??????77777777r)c8eZdZdZd fd Zdd Zdfd ZxZS)raOFade out :class:`~.Mobject` s. Parameters ---------- mobjects The mobjects to be faded out. shift The vector by which the mobject shifts while being faded out. target_position The position to which the mobject moves while being faded out. In case another mobject is given as target position, its center is used. scale The factor by which the mobject is scaled while being faded out. Examples -------- .. manim :: FadeInExample class FadeInExample(Scene): def construct(self): dot = Dot(UP * 2 + LEFT) self.add(dot) tex = Tex( "FadeOut with ", "shift ", r" or target\_position", " and scale" ).scale(1) animations = [ FadeOut(tex[0]), FadeOut(tex[1], shift=DOWN), FadeOut(tex[2], target_position=dot), FadeOut(tex[3], scale=0.5), ] self.play(AnimationGroup(*animations, lag_ratio=0.5)) rr rrrrc>tj|ddi|dS)NremoverTr<r=s r(r$zFadeOut.__init__s*(;D;F;;;;;r)c.|dS)NFrBrCr?s r(r@zFadeOut.create_targets)))777r)scener ctt||ddS)Nr)r#clean_up_from_scene interpolate)r%rKr's r(rMzFadeOut.clean_up_from_scenes5 ##E*** r)rErF)rKr rr)r3r4r5r6r$r@rMr7r8s@r(rrsz##J<<<<<<8888r))r6 __future__r__all__typingrnumpynp#manim.mobject.opengl.opengl_mobjectranimation.transformr constantsr mobject.mobjectr r scene.scener rrrr)r(rZs<  #"""""   ======++++++,,,,,,,,=====I===@-7-7-7-7-7U-7-7-7`.....e.....r)