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from manimlib.imports import *
import numpy as np
def function(coordinate):
x,y = coordinate[:2]
return np.array([
np.sin(x-y),
np.exp(y),
0
])
def func(coordinate):
x,y = coordinate[:2]
return np.array([
-2*x,
y,
0])
class Missiles(GraphScene):
def construct(self):
field = VectorField(function)
#path = ParametricFunction(lambda x: -2*x)
dot = SVGMobject("miss").move_to(DL).scale(0.09).set_color(WHITE).rotate(PI/4 + PI)
path = ArcBetweenPoints(dot.get_center(), UP+0.2*LEFT)
toggle = Rectangle(width = 7, height = 0.5, fill_color = [BLUE_E, '#BCD2FF', '#FFD5B3', '#FF9225', '#FF6C00'], fill_opacity = 1).rotate(90*DEGREES).shift(6*RIGHT).set_stroke(width = 0.2)
guide = Triangle(color = WHITE, fill_color = WHITE, fill_opacity = 1).scale(0.3).rotate(90*DEGREES).move_to(toggle.get_center(), RIGHT+DOWN).shift(0.6*RIGHT + 3*DOWN)
#self.add(toggle, guide)
path_guide_one = Line(np.array([6.4, -3, 0]), np.array([6.4, 1, 0]))
path_guide_two = Line(np.array([6.4, 1, 0]), np.array([6.4, 3, 0]))
label = TexMobject(r"\textit{temperature in }",r"\textrm{ K}").next_to(toggle, DOWN).scale(0.5).shift(0.2*UP)
self.play(FadeIn(field))
self.wait()
self.bring_to_front(toggle, guide, label)
self.play(FadeIn(dot))
self.wait()
self.play(MoveAlongPath(dot, path), MoveAlongPath(guide, path_guide_one))
self.play(ApplyMethod(dot.rotate, PI/4),rate = 0.1)
self.play(ApplyMethod(dot.move_to, 3.5*UP), MoveAlongPath(guide, path_guide_two), rate = 0.3)
#self.play(ApplyMethod(dot.move_to, 3.5*UP))
#self.add_fixed_in_frame_mobjects(text_field)
self.wait()
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