from manimlib.imports import * class SineVectors(GraphScene): CONFIG = { "x_min": 0, "x_max": 10, "y_min": -1, "y_max": 1, "graph_origin": ORIGIN+4*LEFT, #"x_labeled_nums": list(range(-5, 6)), #"y_labeled_nums": list(range(0, 5)), } def construct(self): XTD = self.x_axis_width/(self.x_max - self.x_min) YTD = self.y_axis_height/(self.y_max - self.y_min) self.setup_axes(animate = True) sine1 = self.get_graph(lambda x : np.sin(x), x_min = 0, x_max = 1.575, color = GREEN) point1 = Dot().shift(self.graph_origin+1*YTD*UP + 1.575*XTD*RIGHT) point1_lab = TextMobject(r"$t = (\frac{\pi}{2})$") point1_lab.scale(0.7) point1_lab.next_to(point1, UP) vector1 = Arrow(self.graph_origin, self.graph_origin+1*YTD*UP + 1.575*XTD*RIGHT, buff=0.1, color = RED) vector1_lab = TextMobject(r"$r(\frac{\pi}{2})$", color = RED) vector1_lab.move_to(self.graph_origin+1.5*XTD*RIGHT+ 0.5*YTD*UP) self.play(GrowArrow(vector1),Write(vector1_lab)) self.play(ShowCreation(point1), Write(point1_lab)) self.play(ShowCreation(sine1)) self.wait(1) sine2 = self.get_graph(lambda x : np.sin(x), x_min = 1.575, x_max = 3.15, color = GREEN) point2 = Dot().shift(self.graph_origin+3.15*XTD*RIGHT) point2_lab = TextMobject(r"$t = (\pi)$") point2_lab.scale(0.7) point2_lab.next_to(point2, UP+RIGHT) vector2 = Arrow(self.graph_origin, self.graph_origin+3.15*XTD*RIGHT, buff=0.1, color = BLUE) vector2_lab = TextMobject(r"$r(\pi)$", color = BLUE) vector2_lab.move_to(self.graph_origin+1.5*XTD*RIGHT+ 0.15*YTD*UP) self.play(GrowArrow(vector2),Write(vector2_lab)) self.play(ShowCreation(point2), Write(point2_lab)) self.play(ShowCreation(sine2)) self.wait(1) sine3 = self.get_graph(lambda x : np.sin(x), x_min = 3.15, x_max = 4.725, color = GREEN) point3 = Dot().shift(self.graph_origin+1*YTD*DOWN + 4.725*XTD*RIGHT) point3_lab = TextMobject(r"$t = (\frac{3\pi}{2})$") point3_lab.scale(0.7) point3_lab.next_to(point3, DOWN) vector3 = Arrow(self.graph_origin, self.graph_origin+1*YTD*DOWN + 4.725*XTD*RIGHT, buff=0.1, color = YELLOW_C) vector3_lab = TextMobject(r"$r(\frac{3\pi}{2})$", color = YELLOW_C) vector3_lab.move_to(self.graph_origin+2*XTD*RIGHT+ 0.7*YTD*DOWN) self.play(GrowArrow(vector3),Write(vector3_lab)) self.play(ShowCreation(point3), Write(point3_lab)) self.play(ShowCreation(sine3)) self.wait(1) sine4 = self.get_graph(lambda x : np.sin(x), x_min = 4.725, x_max = 6.3, color = GREEN) point4 = Dot().shift(self.graph_origin+6.3*XTD*RIGHT) point4_lab = TextMobject(r"$t = (2\pi)$") point4_lab.scale(0.7) point4_lab.next_to(point4, UP+RIGHT) vector4 = Arrow(self.graph_origin, self.graph_origin+6.3*XTD*RIGHT, buff=0.1, color = PURPLE) vector4_lab = TextMobject(r"$r(2\pi)$", color = PURPLE) vector4_lab.move_to(self.graph_origin+4.5*XTD*RIGHT+ 0.15*YTD*DOWN) self.play(GrowArrow(vector4),Write(vector4_lab)) self.play(ShowCreation(point4), Write(point4_lab)) self.play(ShowCreation(sine4)) self.wait(3)