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% !TeX root = ./examples/panda.tex
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% The tikzlings-pandas package (part of the tikzlings collection)
% A package to bring little pandas 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 http://www.latex-project.org/lppl.txt
%
% Version 0.2
% April 7, 2019
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ProvidesPackage{tikzlings-pandas}
[2019/04/07 v0.2 Drawing pandas in TikZ]
\RequirePackage{tikz}
\RequirePackage{tikzlings-addons}
\newcommand*{\panda}[1][]{%
\begin{scope}%
\tikzset{/panda/.cd,#1}%
\panda@draw%
\end{scope}%
\thing[#1]%
}
\newif\ifpanda@threeD
\tikzset{
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Pass unknown keys on to tikz
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
/panda/.search also={/tikz,/pgf,/thing},
/panda/.cd,
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% body
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
body/.code = \def\panda@body{#1},
body = white!90!black,
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% options
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3D/.code = \panda@threeDtrue,
}
\def\panda@draw{%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% minimal bounding box size
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\path (-0.62,0.05) rectangle (0.62, 2.18);
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% 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))}%
\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% switch between 2D and 3D, from
% https://chat.stackexchange.com/transcript/message/45991801#45991801
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifpanda@threeD
\def\panda@part@draw[##1]{\shade[ball color=##1]}
\else
\def\panda@part@draw[##1]{\fill[##1]}
\fi
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Body parts (center: x=0)
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Body %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\panda@part@draw[\panda@body!55!white] (0,0.78) ellipse (0.57 and 0.65);
%
% Arms %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{scope}[yshift=-0.08cm]
\panda@part@draw[black,rotate around={70:(0.28,0.93)}] (0.28,0.93) ellipse (0.24 and 0.13);
\panda@part@draw[black,rotate around={-70:(-0.28,0.93)}] (-0.28,0.93) ellipse (0.24 and 0.13);
\end{scope}
%
% Feet %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\panda@part@draw[black] (0.32, 0.27) circle (0.2);
\panda@part@draw[black] (-0.32, 0.27) circle (0.2);
%
% Ears %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\panda@part@draw[black] (0.32, 2) circle (0.15);
\panda@part@draw[black] (-0.32, 2) circle (0.15);
%
% Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\panda@part@draw[\panda@body!55!white] (0.4897, 1.5886) .. controls (0.4614, 1.8238) and (0.25, 2.1172) .. (0, 2.1134) .. controls (-0.25, 2.1172) and (-0.4614, 1.8238) .. (-0.4897, 1.5886) .. controls (-0.5261, 1.3269) and (-0.2748, 1.2377) .. (0, 1.2377) .. controls (0.2748, 1.2377) and (0.5261, 1.3269) .. (0.4897, 1.5886) -- cycle;
%
% Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\panda@part@draw[black] (0.3732, 1.6905) .. controls (0.3498, 1.767) and (0.2032, 1.8059) .. (0.0944, 1.7715) .. controls (-0.0145, 1.7371) and (0.173, 1.5479) .. (0.2508, 1.5443) .. controls (0.3286, 1.5407) and (0.3965, 1.614) .. (0.3732, 1.6905) -- cycle;
\panda@part@draw[black] (-0.3732, 1.6905) .. controls (-0.3498, 1.767) and (-0.2032, 1.8059) .. (-0.0944, 1.7715) .. controls (0.0145, 1.7371) and (-0.173, 1.5479) .. (-0.2508, 1.5443) .. controls (-0.3286, 1.5407) and (-0.3965, 1.614) .. (-0.3732, 1.6905) -- cycle;
\panda@part@draw[white] (-0.18, 1.7) circle (0.05);
\panda@part@draw[white] (0.18, 1.7) circle (0.05);
\panda@part@draw[black] (0.17, 1.695) circle (0.02);
\panda@part@draw[black] (-0.17, 1.695) circle (0.02);
%
% Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\draw[black,line width=\scalingfactor*0.2pt] (-0.16, 1.477) .. controls (-0.16, 1.477) and (-0.062, 1.37) .. (0, 1.506) .. controls (0.062, 1.37) and (0.16, 1.477) .. (0.16, 1.477);
%
% Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\panda@part@draw[black] (0,1.55) ellipse (0.07 and 0.04);
%
}
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