{
"cells": [
{
"cell_type": "code",
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"metadata": {},
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{
"data": {
"text/html": [
"Manim Community v0.18.0\n",
"\n",
"\n"
],
"text/plain": [
"Manim Community \u001b[32mv0.\u001b[0m\u001b[32m18.0\u001b[0m\n",
"\n"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"from manim import *\n",
"from manim_geometry import *\n",
"\n",
"config.media_embed = True\n",
"config.media_width = \"100%\"\n",
"_RV = \"-v WARNING -qm --progress_bar None --disable_caching\"\n",
"_RI = \"-v WARNING -s --progress_bar None --disable_caching\""
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Pentagon\n",
"\n",
"I used this video as a reference:\n",
"\n",
""
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
""
],
"text/plain": [
""
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"FRAME_HEIGHT = config.frame_height\n",
"FRAME_WIDTH = config.frame_width\n",
"\n",
"class Pentagon(Scene):\n",
" def fade_out(self, *mobs, **kwargs):\n",
" self.play(\n",
" *map(FadeOut, mobs),\n",
" **kwargs\n",
" )\n",
"\n",
" def construct(self):\n",
" geos = Geos(self, dots_style={\"radius\": 0.08})\n",
" frame_y_radius = FRAME_HEIGHT/2\n",
" frame_x_radius = FRAME_WIDTH/2\n",
" \n",
" geos.create_geos({\n",
" \"lY\": geos.line(DOWN*frame_y_radius, UP*frame_y_radius),\n",
" \"lX\": geos.line(LEFT*frame_x_radius, RIGHT*frame_x_radius),\n",
" \"cO\": geos.circle(ORIGIN, 3.5, line_kwargs={\"color\": RED}),\n",
" \"dR\": geos.dot_from_method(lambda n: n(\"cO\").get_right()),\n",
" \"dQ\": geos.dot_from_method(lambda n: n(\"cO\").get_left()),\n",
" \"dA\": geos.dot_from_method(lambda n: n(\"cO\").get_top()),\n",
" \"bR\": geos.common_chord_partial(\"dR\", \"cO\"),\n",
" \"dM\": geos.intersection_lines(\"bR,lX\"),\n",
" \"xMR\": geos.distance(\"dM,dA\"),\n",
" \"aM\": geos.arc3p(\"dQ,dM,dA\", radius=\"xMR\", overshot_ang=0, other_angle=True),\n",
" \"dS\": geos.nearest_icl(\"aM,lX,dQ\"),\n",
" \"xSA\": geos.distance(\"dS,dA\"),\n",
" \"oAS\": geos.angle2dots(\"dA,dS\"),\n",
" \"aA\": geos.arc(\"dA\", \"xSA\", \"oAS\", -30*DEGREES),\n",
" \"dB\": geos.intersection_circles(\"aA,cO\", close_to=\"dQ\"),\n",
" \"lEND\": geos.segment(\"dA,dB\"),\n",
" },\n",
" set_all_labels=True,\n",
" label_buff=0.05,\n",
" )\n",
"\n",
" self.add(geos.lX, geos.lY)\n",
"\n",
" ac = lambda c: {\n",
" \"all_styles\": {\"color\": c},\n",
" \"color\": c\n",
" }\n",
"\n",
" geos.auto_animation(\"cO\")\n",
" geos.auto_animation(\"bR\", **ac(BLUE))\n",
" geos.show_dot_and_label(\"dM\")\n",
" self.fade_out(geos.bR)\n",
" geos.auto_animation(\"aM\", show_dot=False, reverse=True, **ac(BLUE))\n",
" geos.show_dot_and_label(\"dS\")\n",
" geos.auto_animation(\"aA\", show_dot=False)\n",
" geos.show_dot_and_label(\"dB\")\n",
" geos.auto_animation(\"lEND\", show_dots=False)\n",
" self.fade_out(\n",
" geos.dM, geos.dS, geos._M, geos._S,\n",
" geos.dB, geos._B, geos.aA, geos.aM\n",
" )\n",
"\n",
" rotate_line = geos.lEND\n",
" main_circle = geos.cO\n",
" pentagon = RegularPolygon(\n",
" 5,\n",
" radius=geos.cO.radius,\n",
" color=YELLOW,\n",
" stroke_width=2\n",
" )\n",
" pentagon.shift(\n",
" -pentagon.get_center_of_mass()\n",
" )\n",
"\n",
" arcs = VGroup()\n",
"\n",
" for _ in range(5):\n",
" tmp_circle = ICircle(rotate_line.get_length()).move_to(rotate_line.get_end())\n",
" arc = tmp_circle.common_chord_group_partial(main_circle, only_arc=True)\n",
" arc.reverse_points()\n",
" arc.set_stroke(width=3)\n",
"\n",
" arcs.add(arc)\n",
"\n",
" self.play(\n",
" Rotate(rotate_line, -arc.angle, about_point=rotate_line.get_end()),\n",
" Create(arc),\n",
" )\n",
" rotate_line.reverse_points()\n",
"\n",
" self.play(FadeOut(rotate_line))\n",
" self.play(Create(pentagon))\n",
" self.wait()\n",
"\n",
"%manim $_RV Pentagon"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
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"language": "python",
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