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from manimlib.imports import *
class Orthogonal(ThreeDScene):
def construct(self):
axes = ThreeDAxes()
self.play(ShowCreation(axes))
self.move_camera(phi=60*DEGREES,theta=45*DEGREES,run_time=3)
text = TextMobject(r"$\hat{i}$",r"$\hat{j}$",r"$\hat{k}$")
text[0].move_to(0.7*DOWN+0.8*LEFT)
text[1].move_to(0.75*DOWN+0.7*RIGHT)
text[2].move_to(0.75*UP+0.4*RIGHT)
self.add_fixed_in_frame_mobjects(text)
self.play(Write(text))
line1 = Line(start = ORIGIN,end = RIGHT)
line1.set_color(DARK_BLUE)
tip1 = Polygon(-0.95*LEFT,-0.8*LEFT-0.1*DOWN,-0.8*LEFT-0.1*UP)
tip1.set_opacity(1)
tip1.set_fill(DARK_BLUE)
tip1.set_color(DARK_BLUE)
arrow2 = Line(start = ORIGIN,end = UP)
arrow2.set_color(DARK_BLUE)
tip2 = Polygon(0.95*UP,0.8*UP-0.1*RIGHT,0.8*UP-0.1*LEFT)
tip2.set_opacity(1)
tip2.set_fill(DARK_BLUE)
tip2.set_color(DARK_BLUE)
arrow2.set_color(DARK_BLUE)
arrow3 = Line(start = ORIGIN,end = [0,0,1])
arrow3.set_color(DARK_BLUE)
tip3 = Polygon([0,0,0.95],[0,0,0.8]-0.1*RIGHT,[0,0,0.8]-0.1*LEFT)
tip3.set_opacity(1)
tip3.set_fill(DARK_BLUE)
tip3.set_color(DARK_BLUE)
self.play(ShowCreation(line1), ShowCreation(tip1), ShowCreation(arrow2), ShowCreation(tip2), ShowCreation(arrow3), ShowCreation(tip3))
self.wait()
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