LaTeX技巧663:Tikz画鸡蛋

学画画刚开始都要画鸡蛋，这是小学老师谆谆教诲的经验，因为鸡蛋画得好就可以成为达芬奇。记得当时，在课本上，画了n多鸡蛋，还被老师狠狠地教训了一把。今天发现一位Tikz的鸡蛋牛人，参看:http://www.texample.net/tikz/examples/egg/

如图:

【演示代码】

% An egg
% Author: percusse
\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{shadings}
\definecolor{eggshell}{RGB}{252,230,201}
\pgfdeclareradialshading{eggshading}{\pgfpoint{1cm}{1cm}}%
{color(0cm)=(eggshell!80);
color(0.5cm)=(brown!75!eggshell);
color(0.7cm)=(brown);
color(0.9cm)=(brown!70!black);
color(1.2cm)=(black)
}
\pgfdeclareradialshading{eggshadow}{\pgfpointorigin}%
{color(0cm)=(black);
color(2mm)=(gray!80);
color(3mm)=(gray!40);
%color(0.3cm)=(black!5!white);
color(7mm)=(white)
}
\begin{document}
\begin{tikzpicture}
\begin{scope}[yscale=0.93,transform shape]
\node[xscale=2,yscale=0.3,shading=eggshadow,circle,minimum size=7mm] at (0,2.75mm){};
\shade[shading=eggshading] (0,2.7mm)..controls (9mm,0.25cm) and (7mm,2cm)%
..(0,20.5mm)..controls(-7mm,2cm) and (-9mm,2.5mm)..(0,2.7mm)--cycle;
\end{scope}
\end{tikzpicture}
\end{document}