course.py

from manim import *

PATH = 'C:\\Users\Pedro\OneDrive\Imagens\yt'

class Pith(Scene):
    def construct(self):
        sq = Square(side_length=5, stroke_color=GREEN, fill_color=BLUE, fill_opacity=0.75)
        self.play(Create(sq), run_time=3)
        self.wait()
        
class Testing(Scene):
    def construct(self):
        name = Text("Aspect Pedro", font="Hi Jack").to_edge(UL, buff=0.5) # MOVE to the upper left part of the screen (UL)
        sq = Square(side_length=0.5, fill_color=GREEN, fill_opacity=0.75).shift(LEFT*3)
        tri = Triangle().scale(0.6).to_edge(DR) # DR -> Down Right
        
        self.play(Write(name))
        self.play(DrawBorderThenFill(sq), run_time=2)
        self.play(Create(tri))
        self.wait()
        
        self.play(name.animate.to_edge(UR),run_time=2)
        self.play(sq.animate.scale(2), tri.animate.to_edge(DL), run_time=3)
        self.wait()
        
class Errors(Scene):
    def construct(self):
        c = Circle(radius = 2)
        self.play(Write(circle))

class Library(Scene):
    def construct(self):
        ax = Axes() # Ctrl + click to read the documentation
        
        self.play(Create(ax)) 
        
class Getters(Scene):
    def construct(self):
        
        rect = Rectangle(color = WHITE, height = 3, width = 2.5).to_edge(UL)
        circ = Circle().to_edge(DOWN)
        arrow = always_redraw(lambda: Line(start = rect.get_bottom(), end=circ.get_top(), buff=0.2).add_tip()) # The tip is the triangle point in the end
        
        self.play(Create(VGroup(rect,circ,arrow)))
        self.wait()
        
        self.play(rect.animate.to_edge(UR), circ.animate.to_corner(DL), run_time=4)
        
class Updaters(Scene):
    def construct(self):
        
        num = MathTex("ln(2)")
        box = always_redraw(lambda: SurroundingRectangle(num, color = BLUE, fill_opacity=0.4, fill_color=RED, buff = 0.5))
        name = always_redraw(lambda: Tex("Aspect Pedro").next_to(box, DOWN, buff=0.25))

        self.play(Create(VGroup(num, box, name)))
        self.play(num.animate.shift(RIGHT*2), run_time = 2)
        self.wait()
        
class ValueTrackers(Scene):
    def construct(self):
        k = ValueTracker(5)
        
        num =always_redraw(lambda: DecimalNumber().set_value(k.get_value()))
        
        self.play(FadeIn(num))
        self.wait()
        self.play(k.animate.set_value(0), run_time=5, rate_func=linear) # linear or smooth

class Graphing(Scene):
    def construct(self):
        
        plane = NumberPlane(x_range=[-4,4,2],x_length = 7, y_range=[0,16,4], y_length=5).to_edge(DOWN).add_coordinates()
        labels = plane.get_axis_labels(x_label="x", y_label="f(x)")
        
        parab = plane.plot(lambda x : x**2, x_range = [-4,4], color=GREEN)
        
        func_label = MathTex("f(x)={x}^{2}").scale(0.6).next_to(parab, RIGHT, buff=0.5)
        
        area = plane.get_riemann_rectangles(graph=parab,x_range=[-2,3], dx=0.05, stroke_width=0.1, stroke_color=WHITE)
        
        self.play(DrawBorderThenFill(plane))
        self.play(Create(VGroup(labels, parab, func_label)))
        self.play(Create(area))
        self.wait(3)
        
class UpdateGraphing(Scene):
    def construct(self):
        
        k = ValueTracker(-4)
        
        ax = Axes(x_range=[-4,4-1], y_range=[-2,16,2], x_length=10, y_length=6).to_edge(DOWN).add_coordinates().set_color(WHITE)
        func = ax.plot(lambda x: x**2, x_range=[-4,4], color=BLUE)
        slope = always_redraw(lambda: ax.get_secant_slope_group(x = k.get_value(), graph = func, dx = 0.01, secant_line_color=GREEN, secant_line_length = 3))
        
        # c2p -> coodirnates to point
        pt = always_redraw(lambda: Dot().move_to(ax.c2p(k.get_value(), func.underlying_function(k.get_value()))))
        
        self.add(ax, func, slope, pt)
        self.wait()
        self.play(k.animate.set_value(4), run_time = 3)

class Files(Scene):
    def construct(self):
        
        icon = SVGMobject(f"{PATH}\\AspectPedro-SpaceShip.svg")
        # self.play(FadeIn(icon))
        self.play(DrawBorderThenFill(icon))