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% !TeX root = ./examples/snowman.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 http://www.latex-project.org/lppl.txt
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ProvidesPackage{tikzlings-snowmans}[2020/12/04 version v0.4 Draw snowmans in TikZ]
\RequirePackage{tikz}
\RequirePackage{tikzlings-addons}
\newcommand*{\snowman}[1][]{%
\begin{scope}%
\tikzset{/snowman/.cd,#1}%
\snowman@draw%
\end{scope}%
\thing[#1]%
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\csname snowmanhookforeground\endcsname
\csname tikzlinghookforeground\endcsname
%
}
\newif\ifsnowman@threeD
\newif\ifsnowman@back
\newif\ifsnowman@globalwarming
\tikzset{
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Pass unknown keys on to tikz
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
/snowman/.search also={/tikz,/pgf,/thing},
/snowman/.cd,
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% body
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
body/.code = \def\snowman@body{#1},
body = white!95!black,
eye/.code = \def\snowman@eye{#1},
eye = black,
nose/.code = \def\snowman@nose{#1},
nose = orange,
mouth/.code = \def\snowman@mouth{#1},
mouth = black,
buttons/.code = \def\snowman@buttons{#1},
buttons = black,
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% options
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3D/.code = \snowman@threeDtrue,
back/.code = \snowman@backtrue,
globalwarming/.code= \snowman@globalwarmingtrue
\def\snowman@globalwarming{#1},
globalwarming/.default = blue!10!white,
global warming/.forward to = /snowman/globalwarming,
}
\def\snowman@draw{%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% minimal bounding box size
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\path (-0.75, 0.0) rectangle (0.75, 2.13);
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% 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 and 3D, from
% https://chat.stackexchange.com/transcript/message/45991801#45991801
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifsnowman@threeD
\def\snowman@part@draw[##1]{\shade[ball color=##1]}
\else
\def\snowman@part@draw[##1]{\fill[##1]}
\fi
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Body parts
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\csname snowmanhookbackground\endcsname
\csname tikzlinghookbackground\endcsname
%
% Global warming %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifsnowman@globalwarming
%
% Puddle %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\fill[\snowman@globalwarming] (0,1.15) ellipse[x radius=1.6,y radius=1.15];
%
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\csname snowmanhookbelly\endcsname
\csname tikzlinghookbelly\endcsname
%
% Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\fill[\snowman@mouth] (0,1.23) circle[radius=0.025];
\fill[\snowman@mouth] (0.06,1.3) circle[radius=0.025];
\fill[\snowman@mouth] (-0.06,1.27) circle[radius=0.025];
\fill[\snowman@mouth] (0.09,1.37) circle[radius=0.025];
\fill[\snowman@mouth] (-0.18,1.28) circle[radius=0.025];
\fill[\snowman@mouth] (0.2,1.28) circle[radius=0.025];
\fill[\snowman@mouth] (-0.25,1.2) circle[radius=0.025];
%
% Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\snowman@part@draw[\snowman@eye] (-0.5,1.75) circle[radius=0.06];
\snowman@part@draw[\snowman@eye] (-0.1,1.55) circle[radius=0.06];
%
% Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\snowman@part@draw[\snowman@nose] (-0.6,1.54) -- (-0.6,1.4) -- (-0.8,1.42) -- cycle;
\snowman@part@draw[\snowman@nose] (-0.6,1.47) circle[radius=0.07];
%
% Buttons %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\snowman@part@draw[\snowman@buttons] (0.1,0.8) circle[radius=0.06];
\snowman@part@draw[\snowman@buttons] (-0.15,0.55) circle[radius=0.06];
\snowman@part@draw[\snowman@buttons] (0,0.25) circle[radius=0.06];
%
% normal snowman %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\else
%
% Arms %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\snowman@part@draw[\snowman@body] (0.5,1.1) ellipse[x radius=0.3, y radius=0.12, rotate=-50];
\snowman@part@draw[\snowman@body] (-0.5,1.1) ellipse[x radius=0.3, y radius=0.12, rotate=50];
%
% Body + Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\snowman@part@draw[\snowman@body] (0,0.5) ellipse[x radius=0.6, y radius=0.5];
\snowman@part@draw[\snowman@body] (0,1.1) ellipse[x radius=0.5, y radius=0.4];
\snowman@part@draw[\snowman@body] (0,1.7) circle[radius=0.4];
%
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\csname snowmanhookbelly\endcsname
\csname tikzlinghookbelly\endcsname
%
% Show details only from the front %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifsnowman@back\else
%
% Mouth% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\fill[\snowman@mouth] (0,1.5) circle[radius=0.016];
\fill[\snowman@mouth] (0.04,1.507) circle[radius=0.016];
\fill[\snowman@mouth] (-0.04,1.507) circle[radius=0.016];
\fill[\snowman@mouth] (0.08,1.522) circle[radius=0.016];
\fill[\snowman@mouth] (-0.08,1.522) circle[radius=0.016];
\fill[\snowman@mouth] (0.12,1.543) circle[radius=0.016];
\fill[\snowman@mouth] (-0.12,1.543) circle[radius=0.016];
%
% Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\snowman@part@draw[\snowman@eye] (-0.155,1.8) circle[radius=0.04];
\snowman@part@draw[\snowman@eye] (0.155,1.8) circle[radius=0.04];
%
% Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\snowman@part@draw[\snowman@nose] (0,1.67) circle[radius=0.05] (0,1.72) -- (0,1.62) -- (0.15,1.64) -- cycle;
%
% Buttons %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\snowman@part@draw[\snowman@buttons] (0,1.15) circle[radius=0.04];
\snowman@part@draw[\snowman@buttons] (0,0.95) circle[radius=0.04];
\snowman@part@draw[\snowman@buttons] (0,0.75) circle[radius=0.04];
%
\fi\fi
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\csname snowmanhookbody\endcsname
\csname tikzlinghookbody\endcsname
%
}
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