% !TeX root = ./examples/hippo.tex %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % The tikzlings-hippos package (part of the tikzlings collection) % A package to bring little hippos 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-hippos} [2019/04/07 v0.2 Drawing hippos in TikZ] \RequirePackage{tikz} \RequirePackage{tikzlings-addons} \newcommand*{\hippo}[1][]{% \begin{scope}% \tikzset{/hippo/.cd,#1}% \hippo@draw% \end{scope}% \thing[#1]% } \newif\ifhippo@threeD \tikzset{ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Pass unknown keys on to tikz % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% /hippo/.search also={/tikz,/pgf,/thing}, /hippo/.cd, %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % body % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% body/.code = \def\hippo@body{#1}, body = gray, toes/.code = \def\hippo@toes{#1}, toes = \hippo@body!55!white, %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % options % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3D/.code = \hippo@threeDtrue, } \def\hippo@draw{% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % minimal bounding box size % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \path (-0.625,0.1) rectangle (0.625, 2.17); % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % 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 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \ifhippo@threeD \def\hippo@part@draw[##1]{\shade[ball color=##1]} \else \def\hippo@part@draw[##1]{\fill[##1]} \fi % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Body parts (center: x=0) % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Ears %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \hippo@part@draw[\hippo@body,rotate around={-30:(0.23,2.03)}] (0.23,2.03) ellipse (0.09 and 0.13); \hippo@part@draw[\hippo@body,rotate around={30:(-0.23,2.03)}] (-0.23,2.03) ellipse (0.09 and 0.13); % % Body %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \hippo@part@draw[\hippo@body!55!white] ( 0.6, 0.8 ) .. controls ( 0.6 , 0.4) and ( 0.35, 0.19) .. ( 0.0, 0.19) .. controls (-0.35, 0.19) and (-0.6 , 0.4) .. (-0.6, 0.8 ) .. controls (-0.6 , 1.3) and (-0.35, 1.65) .. ( 0.0, 1.65) .. controls ( 0.35, 1.65) and ( 0.6 , 1.3) .. ( 0.6, 0.8) -- cycle; % % Arms %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \hippo@part@draw[\hippo@body,rotate around={90:(0.35,1.0)}] (0.35,1.0) ellipse (0.24 and 0.13); \hippo@part@draw[\hippo@body,rotate around={-90:(-0.35,1.0)}] (-0.35,1.0) ellipse (0.24 and 0.13); % % Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \hippo@part@draw[\hippo@body!55!white] (0, 1.76) circle (0.36); % % Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \fill[white] (-0.11, 1.83) ellipse (0.08 and 0.12); \fill[white] (0.11, 1.83) ellipse (0.08 and 0.12); \fill[black] (-0.105, 1.78) ellipse (0.04 and 0.07); \fill[black] (0.105, 1.78) ellipse (0.04 and 0.07); % % Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \hippo@part@draw[\hippo@body!80!white] (0, 1.55) ellipse (0.42 and 0.2); \hippo@part@draw[\hippo@body!70!black] (-0.07, 1.63) circle (0.035); \hippo@part@draw[\hippo@body!70!black] (0.07, 1.63) circle (0.035); % % Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \ifhippo@threeD \draw[black,line width=\scalingfactor*0.4pt] (0.125, 1.5) arc [start angle=-50, end angle=-130, radius=0.2] ; \else \draw[\hippo@body!70!black,line width=\scalingfactor*0.4pt] (0.125, 1.5) arc [start angle=-50, end angle=-130, radius=0.2] ; \fi % % Feet %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \begin{scope} \clip (-0.5,0.4) rectangle (0.5,0.13); \hippo@part@draw[\hippo@body] (-0.25,0.15) ellipse (0.16 and 0.17); \hippo@part@draw[\hippo@body] (0.25,0.15) ellipse (0.16 and 0.17); \hippo@part@draw[\hippo@toes] (0.25,0.13) ellipse (0.05 and 0.1); \hippo@part@draw[\hippo@toes] (0.13,0.11) ellipse (0.05 and 0.1); \hippo@part@draw[\hippo@toes] (0.37,0.11) ellipse (0.05 and 0.1); \hippo@part@draw[\hippo@toes] (-0.25,0.13) ellipse (0.05 and 0.1); \hippo@part@draw[\hippo@toes] (-0.13,0.11) ellipse (0.05 and 0.1); \hippo@part@draw[\hippo@toes] (-0.37,0.11) ellipse (0.05 and 0.1); \end{scope} % }