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from manimlib.imports import*
class cuber(ThreeDScene):
def construct(self):
axes=ThreeDAxes()
cube=Cube(color=RED)
# cube.scale(1)
cube.shift(RIGHT+DOWN+OUT)
sq1=Square(side_length=1.95,color=BLUE, fill_opacity=1)
sq1.shift(RIGHT+DOWN+2*OUT)
# sq1.scale(1.2)
sq12=Square(side_length=1.95,color=BLUE, fill_opacity=1)
sq12.shift(RIGHT+DOWN+2*OUT)
sq2=Square(side_length=1.95,color=RED, fill_opacity=0.6)
sq2.shift(RIGHT+DOWN)
sq2w=Square(side_length=1.95,color=WHITE, fill_opacity=0.9)
sq2w.shift(RIGHT+DOWN)
c=TextMobject("side C",tex_to_color_map={"side C": BLACK})
dxdy=TextMobject(r"$dxdy$",tex_to_color_map={r"$dxdy$": WHITE})
dxdy.scale(0.7)
dxdy.rotate(PI/2, axis=RIGHT)
dxdy.rotate(PI/7, axis=OUT)
dxdy.shift(0.85*RIGHT+0.65*DOWN)
c.shift(RIGHT+DOWN+2*OUT)
c.rotate(PI/4, axis=OUT)
x=TextMobject("X")
y=TextMobject("Y")
z=TextMobject("Z")
x.rotate(PI/2, axis=RIGHT)
x.rotate(PI/4,axis=OUT)
x.shift(5.8*DOWN)
y.rotate(PI/2, axis=RIGHT)
y.rotate(PI/8,axis=OUT)
y.shift(5.8*RIGHT)
z.rotate(PI/2, axis=RIGHT)
z.rotate(PI/5,axis=OUT)
z.shift(3.2*OUT+0.4*LEFT)
axis_label=VGroup(x,y,z)
v=Vector(color=YELLOW)
# v.scale(2)
v.rotate(PI/2,axis=DOWN)
v.shift(0.4*RIGHT+0.9*DOWN+2.5*OUT)
self.set_camera_orientation(phi=60 * DEGREES,theta=-67*DEGREES)
self.begin_ambient_camera_rotation(rate=0.008)
self.add(axes)
self.add(axis_label)
self.add(cube)
# self.move_camera(phi=150*DEGREES,theta=-45*DEGREES, run_time=3)
self.wait(1.2)
self.add(sq1)
self.add(sq12)
self.play(ShowCreation(c))
self.wait(0.7)
self.play(FadeOut(cube))
self.wait(0.7)
# self.move_camera(phi=75*DEGREES,run_time=2)
self.play(ShowCreation(v))
self.wait(1)
self.play(Transform(sq1,sq2))
self.wait(0.7)
self.play(ApplyMethod(sq2w.scale, 0.08))
self.play(ShowCreation(dxdy))
self.wait(2)
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