summaryrefslogtreecommitdiff
path: root/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/flux/file4_cube_surface.py
diff options
context:
space:
mode:
Diffstat (limited to 'FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/flux/file4_cube_surface.py')
-rw-r--r--FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/flux/file4_cube_surface.py167
1 files changed, 146 insertions, 21 deletions
diff --git a/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/flux/file4_cube_surface.py b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/flux/file4_cube_surface.py
index 5963996..146d955 100644
--- a/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/flux/file4_cube_surface.py
+++ b/FSF-2020/calculus-of-several-variables/triple-and-surface-integrals/flux/file4_cube_surface.py
@@ -1,7 +1,4 @@
from manimlib.imports import*
-
-
-
class cuber(ThreeDScene):
def construct(self):
@@ -41,31 +38,159 @@ class cuber(ThreeDScene):
n1=TextMobject(r"$\vec{n}$",color=YELLOW)
n1.scale(0.8)
n1.rotate(PI/2,axis=RIGHT)
+ n1.rotate(PI,axis=OUT)
n1.shift(3*RIGHT+1.3*OUT+DOWN)
+ spaceloc = [[0,0,2],[1,0,2],[-1,0,2],[2,0,2],[-2,0,2],[3,0,2],[-3,0,2],
+ [0,1,2],[1,1,2],[-1,1,2],[2,1,2],[-2,1,2],[3,1,2],[-3,1,2],
+ [0,-1,2],[1,-1,2],[-1,-1,2],[2,-1,2],[-2,-1,2],[3,-1,2],[-3,-1,2],
+ [0,2,2],[1,2,2],[-1,2,2],[2,2,2],[-2,2,2],[3,2,2],[-3,2,2],
+ [0,-2,2],[1,-2,2],[-1,-2,2],[2,-2,2],[-2,-2,2],[3,-2,2],[-3,-2,2],
+ [0,3,2],[1,3,2],[-1,3,2],[2,3,2],[-2,3,2],[3,3,2],[-3,3,2],
+ [0,3,2],[1,3,2],[-1,3,2],[2,3,2],[-2,3,2],[3,3,2],[-3,3,2],
+ [0,4,2],[1,4,2],[-1,4,2],[2,4,2],[-2,4,2],[3,4,2],[-3,4,2],
+ [0,4,2],[1,4,2],[-1,4,2],[2,4,2],[-2,4,2],[3,4,2],[-3,4,2],
+ [0,5,2],[1,5,2],[-1,5,2],[2,5,2],[-2,5,2],[3,5,2],[-3,5,2],
+ [0,5,2],[1,5,2],[-1,5,2],[2,5,2],[-2,5,2],[3,5,2],[-3,5,2],
+ [0,6,2],[1,6,2],[-1,6,2],[2,6,2],[-2,6,2],[3,6,2],[-3,6,2],
+ [0,1.5,2],[1,1.5,2],[-1,1.5,2],[2,1.5,2],[-2,1.5,2],[3,1.5,2],[-3,1.5,2],
+ [0,3,2],[1,3,2],[-1,3,2],[2,3,2],[-2,3,2],[3,3,2],[-3,3,2]]
+
+
+ veclist1=[Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY)]
+
+
+
+
+
+ [veclist1[i].rotate(PI/4,axis=RIGHT) for i in range(42)]
+ [veclist1[i].rotate(PI/6,axis=OUT) for i in range(42)]
+ [veclist1[i].rotate(PI/8,axis=DOWN) for i in range(42)]
+ vectorfield1=VGroup(*veclist1)
+ [veclist1[i].shift(spaceloc[i]) for i in range(42)]
+
+
+
+
+ veclist2=[Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY)]
+
+
+
+
+
+ [veclist2[i].rotate(PI/4,axis=RIGHT) for i in range(42)]
+ [veclist2[i].rotate(PI/4,axis=RIGHT) for i in range(42)]
+ [veclist2[i].rotate(PI/6,axis=OUT) for i in range(42)]
+ [veclist2[i].rotate(PI/8,axis=DOWN) for i in range(42)]
+ vectorfield2=VGroup(*veclist2)
+ [veclist2[i].shift(spaceloc[i]) for i in range(42)]
+
+
+
+ veclist3=[Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY)]
+
+
+
+
+
+ [veclist3[i].rotate(PI/4,axis=RIGHT) for i in range(42)]
+ [veclist3[i].rotate(PI/4,axis=RIGHT) for i in range(42)]
+ [veclist3[i].rotate(PI/6,axis=OUT) for i in range(42)]
+ [veclist3[i].rotate(PI/8,axis=DOWN) for i in range(42)]
+ vectorfield3=VGroup(*veclist3)
+ [veclist3[i].shift(spaceloc[i]) for i in range(42)]
- self.set_camera_orientation(phi=75 * DEGREES,theta=-15*DEGREES)
+
+
+ veclist4=[Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY)]
+
+
+
+
+
+ [veclist4[i].rotate(PI/4,axis=RIGHT) for i in range(42)]
+ [veclist4[i].rotate(PI/4,axis=RIGHT) for i in range(42)]
+ [veclist4[i].rotate(PI/6,axis=OUT) for i in range(42)]
+ [veclist4[i].rotate(PI/8,axis=DOWN) for i in range(42)]
+ vectorfield4=VGroup(*veclist4)
+ [veclist4[i].shift(spaceloc[i]) for i in range(42)]
+
+
+ vectorfield1.shift(1.5*DOWN)
+ vectorfield2.shift(IN+1.5*DOWN)
+ vectorfield3.shift(2*IN+1.5*DOWN)
+ vectorfield4.shift(3*IN+1.5*DOWN)
+
+
+ vectors=[vectorfield1,vectorfield2,vectorfield3,vectorfield4]
+ vectorfield=VGroup(*vectors)
+ vectorfield.scale(1.3)
+
+
+ fv=[Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),Vector(color=GREY),
+ Vector(color=GREY)
+ ]
+
+ spaceloc2 = [[1.5,0.5,0.5],[1.5,1,0.5],[1.5,1.5,0.5],
+ [1.5,0.5,1],[1.5,1,1],[1.5,1.5,1],
+ [1.5,0.5,1.5],[1.5,1,1.5],[1.5,1.5,1.5]
+ ]
+ [fv[i].rotate(PI/4,axis=RIGHT) for i in range(9)]
+ [fv[i].rotate(PI/6,axis=OUT) for i in range(9)]
+ [fv[i].rotate(PI/8,axis=DOWN) for i in range(9)]
+ [fv[i].shift(spaceloc2[i]) for i in range(9)]
+ fvfield=VGroup(*fv)
+ fvfield.shift(2*DOWN)
+ fvfield.scale(1.3)
+
+ flux=TextMobject("Flux through one side of the cube").set_color(GOLD)
+ flux.shift(3.5*UP+0.5*LEFT)
+
+
+ alll=[vectorfield1,vectorfield2,vectorfield3,vectorfield4,fvfield]
+ alllvectors=VGroup(*alll)
+
+
+
+ self.set_camera_orientation(phi=70 * DEGREES,theta=-75*DEGREES)
self.play(ShowCreation(axes),ShowCreation(axis_label))
- self.play(ShowCreation(cube, run_time=3))
- self.begin_ambient_camera_rotation(rate=-0.2)
- # self.move_camera(phi=150*DEGREES,theta=-45*DEGREES, run_time=3)
+ self.begin_ambient_camera_rotation(rate=0.2)
+ self.play(ShowCreation(alllvectors))
+ # self.add(fvfield)
+
+ self.play(ShowCreation(cube, run_time=1))
+
self.wait(1)
self.play(ShowCreation(sq3))
-
self.wait(1)
- self.play(ShowCreation(v1),ShowCreation(n1))
+ self.play(FadeOut(cube))
+ self.play(FadeOut(vectorfield))
+ self.add_fixed_in_frame_mobjects(flux)
+ # self.play(ShowCreation(flux))
self.wait(1)
+ self.play(ShowCreation(v1),ShowCreation(n1))
+ self.wait(5)
self.stop_ambient_camera_rotation()
- self.wait(2)
-
-
- # self.play(Write(t1))
- # self.play(Transform(vg,t1))
- # self.wait(3)
- # self.play(ReplacementTransform(t1,t2))
- # self.wait(3)
- # # self.move_camera(phi=50*DEGREES,theta=-45*DEGREES,run_time=3)
- # self.wait(8)
- # self.move_camera(phi=75 * DEGREES, run_time=3)
- # self.wait(3)
+ self.wait(1)
generated by cgit (git 2.34.1) at 2025-06-12 14:14:27 +0000