%% $Id: pst-turtle.tex 1093 2019-10-02 11:28:36Z herbert $
%%
%% This is file `pst-turtle.tex',
%%
%% IMPORTANT NOTICE:
%%
%% Package `pst-turtle.tex'
%%
%% Herbert Voss <hvoss@tug.org>
%%
%% This program can be redistributed and/or modified under the terms
%% of the LaTeX Project Public License Distributed from CTAN archives
%% in directory macros/latex/base/lppl.txt.
%%
%% DESCRIPTION:
%%   `pst-turtle' is a PSTricks package to plot special functions
%%
%% For a ChangeLog go the the end
%%
\csname PSTturtleLoaded\endcsname
\let\PSTfuncLoaded\endinput
% Requires some PSTricks packages
\ifx\PSTricksLoaded\endinput\else   \input pstricks.tex\fi
\ifx\PSTXKeyLoaded\endinput\else    \input pst-xkey.tex \fi
%
\edef\PstAtCode{\the\catcode`\@} \catcode`\@=11\relax
% interface to the `xkeyval' package
\pst@addfams{pst-turtle}
%
\def\fileversion{0.02}
\def\filedate{2019/10/02}
\message{`PST-turtle' v\fileversion, \filedate\space (hv)}
%
\define@boolkey[psset]{pst-turtle}[Pst@]{showhead}[true]{}%
\psset{showhead=false}
%
\pstheader{pst-turtle.pro}
%
\def\psTurtle{\pst@object{psTurtle}}
\def\psTurtle@i{\@ifnextchar(\psTurtle@ii{\psTurtle@ii(0,0)}}
\def\psTurtle@ii(#1)#2{%
  \pst@getcoor{#1}\pst@tempA
  \begin@OpenObj
  \psset{unit=1cm}%
  \addto@pscode{
    tx@TurtleDict begin 
    \pst@tempA translate 
    \pst@number\psxunit \pst@number\psyunit scale
    0 0 moveto 
    turtle % initialize
    #2 
    2 setlinejoin
    end
    1 \pst@number\psxunit div 1 \pst@number\psyunit div scale
  }%
  \end@OpenObj
}
\catcode`\@=\PstAtCode\relax
%
%% END: pst-turtle.tex
\endinput
%

