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tikzlings-anteaters.sty
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% !TeX root = ./examples/anteater.tex
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% This package is part of the TikZlings package
%% A package to bring cute little animals and other beings into tikz
%% Maintained by samcarter
%%
%% Project repository and bug tracker:
%% https://github.com/samcarter/tikzlings
%%
%% Released under the LaTeX Project Public License v1.3c or later
%% See https://www.latex-project.org/lppl.txt
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ProvidesPackage{tikzlings-anteaters}[2025/01/05 version v2.2 Drawing anteaters in TikZ]
\RequirePackage{tikz}
\RequirePackage{tikzlings-addons}
\newcommand*{\anteater}[1][]{%
\begin{scope}%
\tikzset{/anteater/.cd,#1}%
\anteater@draw%
\end{scope}%
\thing[#1]%
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\UseHook{tikzlings/anteater/foreground}
\UseHook{tikzlings/foreground}
\csname anteaterhookforeground\endcsname
\csname tikzlinghookforeground\endcsname
}
\newif\ifanteater@threeD
\newif\ifanteater@back
\newif\ifanteater@contour
\newif\ifanteater@leftstep
\newif\ifanteater@rightstep
\NewHook{tikzlings/anteater/background}
\NewHook{tikzlings/anteater/belly}
\NewHook{tikzlings/anteater/body}
\NewHook{tikzlings/anteater/foreground}
\tikzset{
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Pass unknown keys on to tikz
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
/anteater/.search also={/tikz,/pgf,/thing},
/anteater/.cd,
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% body
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
body/.store in = \anteater@body,
body = red!55!green!75!blue!66!white,
eyes/.store in = \anteater@eyes,
eyes = \anteater@body!70!brown!50!darkgray,
eye/.forward to = /anteater/eyes,
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% options
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3D/.code = \anteater@threeDtrue,
leftstep/.code = \anteater@leftsteptrue,
left step/.forward to = /anteater/leftstep,
rightstep/.code = \anteater@rightsteptrue,
right step/.forward to = /anteater/rightstep,
back/.code = \anteater@backtrue,
contour/.code = \anteater@contourtrue
\def\anteater@contour{#1},
contour/.default = black,
outline/.forward to = /anteater/contour,
}
\def\anteater@draw{%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% minimal bounding box size
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\path (-0.75,0.1) rectangle (1.12,2.26);
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% store the current scale factor
% from
% https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))*sqrt(abs((\pgf@xx/1cm)*(\pgf@yy/1cm)-(\pgf@xy/1cm)*(\pgf@yx/1cm)))}%
\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% switch between 2D, 3D and contours, from
% https://chat.stackexchange.com/transcript/message/45991801#45991801
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifanteater@threeD
\def\anteater@part@draw[##1]{\shade[ball color=##1]}
\else% 3D
\ifanteater@contour
\def\anteater@part@draw[##1]{\draw[##1,\anteater@contour,fill=white,line width=\scalingfactor*0.4pt]}
\else% contour
\def\anteater@part@draw[##1]{\fill[##1]}
\fi% contour
\fi% 3D
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Body parts
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\UseHook{tikzlings/anteater/background}
\UseHook{tikzlings/background}
\csname anteaterhookbackground\endcsname
\csname tikzlinghookbackground\endcsname
%
% Feet %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifanteater@leftstep
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (-0.255,0.25) ellipse[x radius=0.23, y radius=0.09];
\else% step
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (-0.255,0.2) ellipse[x radius=0.23, y radius=0.09];
\fi% step
%
\ifanteater@rightstep
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (0.255,0.25) ellipse[x radius=0.23, y radius=0.09];
\else% step
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (0.255,0.2) ellipse[x radius=0.23, y radius=0.09];
\fi% step
%
% Tail %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\unless\ifanteater@back
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (1.0893, 1.5779) .. controls (0.3433, 1.6612) and (0.4863, 0.6062) .. (-0.0243, 0.348) .. controls (1.0671, 0.068) and (0.8133, 1.1808) .. (1.0893, 1.5779) -- cycle;
\fi% back
%
% Arms %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\anteater@part@draw[\anteater@body!45!white!95!orange] (-0.55,1) ellipse[x radius=0.42, y radius=0.13, rotate=70] (0.55,1) ellipse[x radius=0.42, y radius=0.13, rotate=-70];
%
% Body %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\anteater@part@draw[\anteater@body] (0.52, 0.8) .. controls (0.52, 0.23) and (0.3, 0.17) .. (0, 0.17) .. controls (-0.3, 0.17) and (-0.52, 0.23) .. (-0.52, 0.8) .. controls (-0.52, 1.35) and (-0.3, 1.8) .. (0, 1.8) .. controls (0.3, 1.8) and (0.52, 1.35) .. (0.52, 0.8) -- cycle;
%
% Collar %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifanteater@back
\anteater@part@draw[\anteater@body!45!white!95!orange] (-0,1.47) ellipse [x radius=0.36, y radius=0.28];
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (-0,1.47) ellipse [x radius=0.35, y radius=0.23];
\else% back
\anteater@part@draw[\anteater@body!45!white!95!orange] (0.33, 1.55) -- (-0.33, 1.55) .. controls (-0.5, 1.05) and (-0.1, 0.95) .. (0, 0.60) .. controls (0.1, 0.95) and (0.5, 1.05) .. (0.33, 1.55) -- cycle;
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (0.33, 1.55) -- (-0.33, 1.55) .. controls (-0.45, 1.1) and (-0.1, 1) .. (0, 0.70) .. controls (0.1, 1) and (0.45, 1.1) .. (0.33, 1.55) -- cycle;
\fi% back
%
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\UseHook{tikzlings/anteater/belly}
\UseHook{tikzlings/belly}
\csname anteaterhookbelly\endcsname
\csname tikzlinghookbelly\endcsname
%
\ifanteater@back
% Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\anteater@part@draw[\anteater@body] (-0,1.73) ellipse [x radius=0.36, y radius=0.33];
%
% Ears %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (0.5551, 2.2281) .. controls (0.4961, 2.2273) and (0.4390, 2.2093) .. (0.3831, 2.1919) .. controls (0.3282, 2.173) and (0.2725, 2.1539) .. (0.2231, 2.1228) .. controls (0.1875, 2.0984) and (0.1524, 2.0637) .. (0.1470, 2.0187) .. controls (0.1446, 2.0028) and (0.1518, 1.9881) .. (0.1584, 1.9744) .. controls (0.1706, 1.9343) and (0.2090, 1.9063) .. (0.25, 1.9017) .. controls (0.3079, 1.8943) and (0.3684, 1.9134) .. (0.4132, 1.9504) .. controls (0.4657, 1.9988) and (0.5111, 2.0545) .. (0.5513, 2.1133) .. controls (0.5692, 2.1404) and (0.5854, 2.1692) .. (0.5945, 2.2004) .. controls (0.5989, 2.2232) and (0.5717, 2.2282) .. (0.5551, 2.2281) -- cycle;
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (-0.5551, 2.2281) .. controls (-0.4961, 2.2273) and (-0.4390, 2.2093) .. (-0.3831, 2.1919) .. controls (-0.3282, 2.173) and (-0.2725, 2.1539) .. (-0.2231, 2.1228) .. controls (-0.1875, 2.0984) and (-0.1524, 2.0637) .. (-0.1470, 2.0187) .. controls (-0.1446, 2.0028) and (-0.1518, 1.9881) .. (-0.1584, 1.9744) .. controls (-0.1706, 1.9343) and (-0.2090, 1.9063) .. (-0.25, 1.9017) .. controls (-0.3079, 1.8943) and (-0.3684, 1.9134) .. (-0.4132, 1.9504) .. controls (-0.4657, 1.9988) and (-0.5111, 2.0545) .. (-0.5513, 2.1133) .. controls (-0.5692, 2.1404) and (-0.5854, 2.1692) .. (-0.5945, 2.2004) .. controls (-0.5989, 2.2232) and (-0.5717, 2.2282) .. (-0.5551, 2.2281) -- cycle;
%
\else% back
%
% Ears %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (0.3531, 1.9773) .. controls (0.4315, 2.0197) and (0.6217, 2.172) .. (0.5917, 2.2157) .. controls (0.5615, 2.2594) and (0.3224, 2.178) .. (0.2441, 2.1354) .. controls (0.1659, 2.093) and (0.1269, 2.023) .. (0.1569, 1.9793) .. controls (0.1870, 1.9356) and (0.2748, 1.9347) .. (0.3531, 1.9773) -- cycle;
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (-0.3531, 1.9773) .. controls (-0.4315, 2.0197) and (-0.6217, 2.172) .. (-0.5917, 2.2157) .. controls (-0.5615, 2.2594) and (-0.3224, 2.178) .. (-0.2441, 2.1354) .. controls (-0.1659, 2.093) and (-0.1269, 2.023) .. (-0.1569, 1.9793) .. controls (-0.1870, 1.9356) and (-0.2748, 1.9347) .. (-0.3531, 1.9773) -- cycle;
\anteater@part@draw[\anteater@body!45!white!95!orange] (0.4086, 1.9465) .. controls (0.4679, 1.9952) and (0.6205, 2.1813) .. (0.5862, 2.2146) .. controls (0.5517, 2.2477) and (0.3434, 2.1152) .. (0.2841, 2.0665) .. controls (0.2249, 2.0177) and (0.2048, 1.9515) .. (0.2391, 1.9184) .. controls (0.2736, 1.8853) and (0.3494, 1.8979) .. (0.40861, 1.9465) -- cycle
(-0.4086, 1.9465) .. controls (-0.4679, 1.9952) and (-0.6205, 2.1813) .. (-0.5862, 2.2146) .. controls (-0.5517, 2.2477) and (-0.3434, 2.1152) .. (-0.2841, 2.0665) .. controls (-0.2249, 2.0177) and (-0.2048, 1.9515) .. (-0.2391, 1.9184) .. controls (-0.2736, 1.8853) and (-0.3494, 1.8979) .. (-0.40861, 1.9465) -- cycle;
%
% Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\anteater@part@draw[\anteater@body] (0.33, 1.71) .. controls (0.16, 1.52) and (0.1, 1.5) .. (0.08, 1.05) .. controls (0.07, 1) and (-0.07, 1) .. (-0.08, 1.05) .. controls (-0.1, 1.5) and (-0.16, 1.52) .. (-0.33, 1.7) .. controls (-0.45, 1.85) and (-0.22, 2.05) .. (0, 2.05) .. controls (0.22, 2.05) and (0.45, 1.85) .. (0.33, 1.7) -- cycle;
%
% Cheeks %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\anteater@part@draw[\anteater@body!45!white!95!orange] (0.3508, 1.739) .. controls (0.3508, 1.739) and (0.2861, 1.8489) .. (0.1571, 1.7664) .. controls (0.0279, 1.684) and (0.0627, 1.0524) .. (0.0627, 1.0524) .. controls (0.0627, 1.0524) and (0.131, 1.3772) .. (0.2314, 1.44) .. controls (0.3599, 1.5206) and (0.3508, 1.739) .. (0.3508, 1.739) -- cycle
(-0.3508, 1.739) .. controls (-0.3508, 1.739) and (-0.2861, 1.8489) .. (-0.1571, 1.7664) .. controls (-0.0279, 1.684) and (-0.0627, 1.0524) .. (-0.0627, 1.0524) .. controls (-0.0627, 1.0524) and (-0.131, 1.3772) .. (-0.2314, 1.44) .. controls (-0.3599, 1.5206) and (-0.3508, 1.739) .. (-0.3508, 1.739) -- cycle;
%
% Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (0, 1.08) ellipse[x radius=0.08, y radius=0.05];
%
% Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\anteater@part@draw[\anteater@eyes] (0.23, 1.7) circle[radius=0.05];
\anteater@part@draw[\anteater@eyes] (-0.23, 1.7) circle[radius=0.05];
\fi% back
%
% Tail if back %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifanteater@back
\anteater@part@draw[\anteater@body!70!brown!50!darkgray] (1.0893, 1.5779) .. controls (0.3433, 1.6612) and (0.4863, 0.6062) .. (-0.0243, 0.348) .. controls (1.0671, 0.068) and (0.8133, 1.1808) .. (1.0893, 1.5779) -- cycle;
\fi% back
%
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\UseHook{tikzlings/anteater/body}
\UseHook{tikzlings/body}
\csname anteaterhookbody\endcsname
\csname tikzlinghookbody\endcsname
%
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% Documentation
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%\clearpage
%\section[Anteater]{Peter, the anteater}
%
%\subsection{Package name}
%
%\begin{tcolorbox}[title={Package usage}]
%\begin{samcode}
%\usepackage{tikzlings-anteaters}
%\end{samcode}
%\end{tcolorbox}
%
%\subsection{Basic Usage}
%
%\begin{tcblisting}{title={Basic anteater}}
%\anteater
%\end{tcblisting}
%
%\subsection{Options}
%
%The basic anteater can be modified by changing its colour:
%\begin{tcblisting}{title={Body colour}}
%\anteater[body=blue]
%\end{tcblisting}
%
%In addition to the colour of the body, the colour of the eyes can be adjusted:
%\begin{tcblisting}{title={Eye colour}}
%\anteater[eyes=red]
%\end{tcblisting}
%
%And the anteater can lift its legs:
%\begin{tcblisting}{title={Walking}}
%\anteater[leftstep]
%\anteater[rightstep,xshift=2cm]
%\end{tcblisting}
%
%To view the anteater from behind:
%\begin{tcblisting}{title={Back view}}
%\anteater[back]
%\end{tcblisting}
%
%The key \saminline|3D| will make the anteater 3-dimensional:
%\begin{tcblisting}{title={3D view}}
%\anteater[3D]
%\end{tcblisting}
%
%And finally the \saminline|contour| key will only draw the outlines:
%\begin{tcblisting}{title={Contours}}
%\anteater[contour=black]
%\end{tcblisting}