manim_ce_examples.py

from manim import * 

# Change background color
# config["background_color"] = GRAY
# config["frame_rate"] = 25
# FRAME_HEIGHT = config["frame_height"]

class WriteTex(Scene):
    def construct(self):
        tex = VGroup(
            # TextMobject
            Tex("Hello world!"),
            # TexMobject
            MathTex("\\frac{x}{y}"),
            # Text
            CairoText("This is a test", font="Arial")
        )
        tex.arrange(DOWN)
        tex.scale(1.7)
        self.play(Write(tex))
# ------------------------------------------------

class CreateATexTemplate(Scene):
    def construct(self):
        # Create a template
        myTemplate = TexTemplate()
        # Add new package
        myTemplate.add_to_preamble(r"\usepackage{mathrsfs}")
        tex = Tex(r'$\mathscr{H} \rightarrow \mathbb{H}$}', tex_template=myTemplate).scale(3)
        self.add(tex)

basic_preamble = r"""
\usepackage[english]{babel}
\usepackage{amsmath}
\usepackage{amssymb}
"""

def BTeX(*args,**kwargs):
    return Tex(*args,tex_template=TexTemplate(preamble=basic_preamble),**kwargs)

class BasicTexTemplate(Scene):
    def construct(self):
        tex = BTeX("This is a basic \\TeX")
        tex.scale(1.5)
        self.add(tex)

# Save this in custom_tex_template.tex

# \documentclass[preview]{standalone}

# \usepackage[english]{babel}
# \usepackage{amsmath}
# \usepackage{amssymb}
# \newcommand{\CustomTeX}{This is a custom tex}
# \begin{document}

# YourTextHere

# \end{document}

# Render: manim Test.py CustomTexTemplate --tex_template custom_tex_template.tex -ps
class CustomTexTemplate(Scene):
    def construct(self):
        tex = Tex("\\CustomTeX").scale(1.5)
        self.add(tex)
# ----------------------------------------------

from manim.mobject.geometry import ArrowTriangleTip, ArrowSquareTip, ArrowSquareFilledTip,\
                                   ArrowCircleTip, ArrowCircleFilledTip

class ExampleArrowTips(Scene):
    def construct(self):
        a00 = Arrow(start=[-2, 3, 0], end=[2, 3, 0], color=YELLOW)
        a11 = Arrow(start=[-2, 2, 0], end=[2, 2, 0], tip_shape=ArrowTriangleTip)
        a12 = Arrow(start=[-2, 1, 0], end=[2, 1, 0])
        a21 = Arrow(start=[-2, 0, 0], end=[2, 0, 0], tip_shape=ArrowSquareTip)
        a22 = Arrow([-2, -1, 0], [2, -1, 0], tip_shape=ArrowSquareFilledTip)
        a31 = Arrow([-2, -2, 0], [2, -2, 0], tip_shape=ArrowCircleTip)
        a32 = Arrow([-2, -3, 0], [2, -3, 0], tip_shape=ArrowCircleFilledTip)
        b11 = a11.copy().scale(0.5, scale_tips=True).next_to(a11, RIGHT)
        b12 = a12.copy().scale(0.5, scale_tips=True).next_to(a12, RIGHT)
        b21 = a21.copy().scale(0.5, scale_tips=True).next_to(a21, RIGHT)
        self.add(a00, a11, a12, a21, a22, a31, a32, b11, b12, b21)