2017-2018/6e/Unites/Temps/E2_horloges.tex

\documentclass[a5paper,12pt]{article}
\usepackage{myXsim}

\date{Mars 2018}
\title{Lire l'heure}
\tribe{Sixième}

\pagestyle{empty}

\RequirePackage{contour}
\newcommand{\clockA}[2]{%
    % colors
    \colorlet{minutes color}{blue!50!cyan!70!black}
    \colorlet{bg hours 0}{yellow}
    \colorlet{bg hours 1}{red!50}
    \colorlet{hours color}{red!80!black}
    % styles
    \tikzset{
      minutes/.style={circle,inner sep=0,text width=5mm,align=center,font=\bfseries},
      minutes 0/.style={fill=minutes color,text=white,minutes},
      minutes 1/.style={text=minutes color,fill=white,minutes},
      minutes font/.style={font=\normalsize},
      hours/.style={font=\fontsize{60}{66}\selectfont\bfseries,text=hours color,align=center},
      mini hours font/.style={font=\fontsize{40}{46}\selectfont\bfseries},
    }
    % radii
    \def\bigradius{80mm}
    \def\minuteradius{75mm}
    \def\hourradius{60mm}
    \def\minihourminradius{25mm}
    \def\minihourmaxradius{45mm}
    \pgfmathsetmacro\minihourradius{(\minihourmaxradius + \minihourminradius)*.5}
    \def\hourwidth{2mm}
    \def\minutewidth{1mm}

    % big circle
    \filldraw [fill=white,draw=minutes color] (0,0) circle (\bigradius);

    % minutes marks
    \foreach \angle[count=\c from 0,evaluate={\c as \hourmark using notequal(int(mod(\c,5)),0)}]
    in {0,6,...,354}{ \path (-\angle:\minuteradius) node[minutes \hourmark]{\c}; }

    % hours marks
    \foreach \angle[count=\c from 1,evaluate={\c as \col using int(mod(\c,2))}] in {30,60,...,360}{

      \path (-\angle:\hourradius) node[hours]{\c};

      \path[fill=bg hours \col]
      (-\angle:\minihourminradius) -- (-\angle:\minihourmaxradius)
      arc(-\angle:-\angle-30:\minihourmaxradius) -- (-\angle-30:\minihourminradius)
      arc(-\angle-30:-\angle:\minihourminradius) -- cycle;

      \path (-\angle-15:\minihourradius pt) node[mini hours font]{\textcolor{white}{\contour{hours color}{\c}}};
    }

    % hands
    \pgfmathsetmacro\hourangle{-#1*30-#2*.5}
    \pgfmathsetmacro\minuteangle{-#2*6}
    \fill[rotate=\hourangle,fill=hours color] ++(0,\hourwidth) arc(90:270:\hourwidth) -- ++(50mm,0)
    -- ++(\hourwidth,\hourwidth) -- ++(-\hourwidth,\hourwidth) -- ++(-50mm,0) -- cycle ;
    \fill[rotate=\minuteangle,fill=minutes color] ++(0,\minutewidth) arc(90:270:\minutewidth) -- ++(70mm,0)
    -- ++(\minutewidth,\minutewidth) -- ++(-\minutewidth,\minutewidth) -- ++(-70mm,0) -- cycle ;
}

\newcommand{\clockB}[2]{%
    \draw  (0,0) circle (2cm);
    \foreach \angle / \label in
    {0/3, 30/2, 60/1, 90/12, 120/11, 150/10, 180/9,
    210/8, 240/7, 270/6, 300/5, 330/4}
    {
        \draw (\angle:1.8cm) -- (\angle:2cm);
        \draw (\angle:1.4cm) node{\textsf{\label}};
    }
    \foreach \angle[count=\c from 0] in {0,6,...,354}
    {
        \draw (\angle:1.9cm) -- (\angle:2cm);
    }
    \draw[rotate=90] (0,0) -- (-#1*30-#2*30/60:0.7cm); % hours
    \draw[rotate=90] (0,0) -- (-#2*6:1.2cm); % minutes
    \path [fill=black] (0,0) circle (3pt);
    \path [fill=red] (0,0) circle (1.5pt);
}

\begin{document}

Donne les heures correspondantes à chacune des horloges.

\vspace{4cm}

\hspace{5cm}
\begin{tikzpicture}[cap=round, rotate=90, transform canvas={scale=0.5}]
      \clockA{7}{30}
\end{tikzpicture}

\vspace{6cm}
\hspace{2cm}
\begin{tikzpicture}[cap=round, rotate=90, transform canvas={scale=0.3}]
      \clockA{15}{27}
\end{tikzpicture}
\hspace{6cm}
\begin{tikzpicture}[cap=round, rotate=90, transform canvas={scale=0.3}]
      \clockA{9}{55}
\end{tikzpicture}

\vspace{4cm}
\hspace{1cm}
\begin{tikzpicture}[cap=round, transform canvas={scale=1}]
      \clockB{9}{5}
\end{tikzpicture}
\hspace{4cm}
\begin{tikzpicture}[cap=round, transform canvas={scale=1}]
      \clockB{1}{15}
\end{tikzpicture}
\hspace{4cm}
\begin{tikzpicture}[cap=round, transform canvas={scale=1}]
      \clockB{5}{30}
\end{tikzpicture}

\end{document}

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