def construct(self):
normal_text = Text("Text : a^2 + b^2 = c^2") # normal text object
normal_mode = Tex(
"Tex (Normal-Mode): a\\textsuperscript{2} + b\\textsuperscript{2} = c\\textsuperscript{2}"
) # LaTeX normal
math_mode = Tex(
"Tex (Math-Mode): $a^2 + b^2 = c^2$") # LaTeX Math-mode
manim_math = MathTex("MathTex : a^2 + b^2 = c^2") # Manim MathLaTeX
# position objects (default: center)
normal_text.shift(UP * 3)
normal_mode.shift(UP)
math_mode.shift(DOWN)
manim_math.shift(DOWN * 3)
self.add(normal_text, normal_mode, math_mode,
manim_math) # add objects to the scene canvas
self.wait(3) # 3 second pause (default: 1 sec)
def construct(self):
# Setup axes and show their creation
self.setup_axes(animate=True)
# Get parametric curves
func_graph = self.get_graph(np.cos, color=nq_colors["steelblue"])
func_graph2 = self.get_graph(np.sin, color=nq_colors["light_purple"])
# Get vetical line from x axis to first graph
vert_line = self.get_vertical_line_to_graph(x=2 * math.pi,
graph=func_graph,
color=nq_colors["orange"])
# Set label texts
graph_lab = self.get_graph_label(func_graph,
label="\\cos(x)",
x_val=5,
direction=UP / 2)
two_pi = MathTex(r"x = 2 \pi")
# Get y-point from first line
label_coord = self.input_to_graph_point(x=2 * math.pi,
graph=func_graph)
# Set label next to point we found
two_pi.next_to(label_coord, RIGHT + UP)
# Animate
self.play(ShowCreation(func_graph), run_time=2)
self.wait(0.2)
self.play(ShowCreation(func_graph2), run_time=2)
self.wait(1)
self.play(ShowCreation(vert_line), run_time=1)
self.add(func_graph2, graph_lab, two_pi)
self.wait(3)
def create_label_tex(label_tex) -> "Mobject":
"""Checks if the label is a ``float``, ``int`` or a ``str`` and creates a :class:`~.MathTex`/:class:`~.Tex` label accordingly.
Parameters
----------
label_tex : The label to be compared against the above types.
Returns
-------
:class:`~.Mobject`
The label.
"""
if isinstance(label_tex, float) or isinstance(label_tex, int):
label_tex = MathTex(label_tex)
elif isinstance(label_tex, str):
label_tex = Tex(label_tex)
return label_tex
def construct(self):
txt = MathTex("a^2 + b^2 = c^2")
self.add(txt)
self.wait()