forse ho risolto
non mi pare elegante ma credo che funzioni
`
\documentclass[10pt,a4paper]{article}
\usepackage[latin1]{inputenc}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{animate}
\usepackage{graphicx}
\usepackage{pgf,tikz}
\begin{document}
\begin{animateinline}[
begin={
\begin{tikzpicture}[scale=0.6]\clip (-0.6,-0.2) rectangle (15.5,7);
},
end={\end{tikzpicture}},controls,timeline=time2.txt]{1}
\fill[black] node at (0,3) {$\bullet$};
\fill[black] node at (2,6) {$\bullet$};
\fill[black] node at (2,0) {$\bullet$};
%1
\draw (0,3) — (2,6) — (2,0) — cycle;
%6
\fill[black] node at (9,0) {$\bullet$};
\fill[black] node at (15,0) {$\bullet$};
\fill[black] node at (12,2) {$\bullet$};
\draw (9,0) — (15,0) — (12,2) — cycle;
\newframe
\draw (3,3) — (5,0) — (5,6) — cycle;
\newframe
\fill[white] (-0.6,-0.2) rectangle (15.5,7);
\fill[black] node at (0,3) {$\bullet$};
\fill[black] node at (2,6) {$\bullet$};
\fill[black] node at (2,0) {$\bullet$};
%1
\draw (0,3) — (2,6) — (2,0) — cycle;
%6
\fill[black] node at (9,0) {$\bullet$};
\fill[black] node at (15,0) {$\bullet$};
\fill[black] node at (12,2) {$\bullet$};
\draw (9,0) — (15,0) — (12,2) — cycle;
\draw (6,3) — (8,0) — (8,6) — cycle;
\newframe
\fill[white] (-0.6,-0.2) rectangle (15.5,7);
\fill[black] node at (0,3) {$\bullet$};
\fill[black] node at (2,6) {$\bullet$};
\fill[black] node at (2,0) {$\bullet$};
%1
\draw (0,3) — (2,6) — (2,0) — cycle;
%6
\fill[black] node at (9,0) {$\bullet$};
\fill[black] node at (15,0) {$\bullet$};
\fill[black] node at (12,2) {$\bullet$};
\draw (9,0) — (15,0) — (12,2) — cycle;
\draw (9,3) — (15,3) — (12,5) — cycle;
\newframe
\fill[white] (-0.6,-0.2) rectangle (15.5,7);
\fill[black] node at (0,3) {$\bullet$};
\fill[black] node at (2,6) {$\bullet$};
\fill[black] node at (2,0) {$\bullet$};
%1
\draw (0,3) — (2,6) — (2,0) — cycle;
%6
\fill[black] node at (9,0) {$\bullet$};
\fill[black] node at (15,0) {$\bullet$};
\fill[black] node at (12,2) {$\bullet$};
\draw (9,0) — (15,0) — (12,2) — cycle;
\draw (9,1) — (15,1) — (12,3) — cycle;
\newframe
\fill[white] (-0.6,-0.2) rectangle (15.5,7);
\fill[black] node at (0,3) {$\bullet$};
\fill[black] node at (2,6) {$\bullet$};
\fill[black] node at (2,0) {$\bullet$};
%1
\draw (0,3) — (2,6) — (2,0) — cycle;
%6
\fill[black] node at (9,0) {$\bullet$};
\fill[black] node at (15,0) {$\bullet$};
\fill[black] node at (12,2) {$\bullet$};
\draw (9,0) — (15,0) — (12,2) — cycle;
\end{animateinline}
\end{document}
`
per un’animazione semplice così si tratta di ripetere poche righe di codice ma se la scena è più complessa come si fa?
in pratica bisognerebbe definire un nuovo comando che ridisegni la scena di base
[code]
\inizio
\disegna_scena_sfondo
\newframe
\disegna_scena_sfondo
\disegna_elemento_in_movimento
\newframe
\disegna_scena_sfondo
\disegna_elemento_in_movimento
\newframe
\disegna_scena_sfondo
\disegna_elemento_in_movimento
\newframe
…..
…
\fine
[\code]
in pratica come si definiscono i comandi in tikz?