Squiggly arrows in tikz

Question

Is it possible to get a path in tikz that looks like \rightsquigarrow?

Answer 1

It is possible, indeed. You can use the decorations.pathmorphing library for this, which allows very fine control over how your paths look:

\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{decorations.pathmorphing}
\usepackage{amssymb}

\begin{document}
$\rightsquigarrow$

\tikz \draw [->,
line join=round,
decorate, decoration={
    zigzag,
    segment length=4,
    amplitude=.9,post=lineto,
    post length=2pt
}]  (0,0) -- (0.3,0);
\end{document}

Answer 2

Just to add to Jake's and Caramdir's solution, here is a bit of height-adjustment based on egreg's answer here.

\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{decorations.pathmorphing}
\usepackage{amssymb}

\newlength{\LETTERheight}
\AtBeginDocument{\settoheight{\LETTERheight}{I}}
\newcommand*{\longleadsto}[1]{\ \raisebox{0.24\LETTERheight}{\tikz \draw [->,
line join=round,
decorate, decoration={
    zigzag,
    segment length=4,
    amplitude=.9,
    post=lineto,
    post length=2pt
}] (0,0) -- (#1,0);}\ }

\begin{document}
$A\leadsto A$

$A\longleadsto{0.5} A$

$A\longleadsto{1} A$
\end{document}