commit 1b6a15f093d0928348b52e15d1940c5052b57ece
parent 05c9fd91e0a6adcf45662530bc61c33a4c99f04b
Author: Georges Dupéron <jahvascriptmaniac+github@free.fr>
Date: Sun, 13 Nov 2011 20:56:07 +0100
Nombre de diapos fixé.
Diffstat:
| M | présentation.tex | | | 454 | ++++++++++++++++++++++++++++++++++++++++++++----------------------------------- |
1 file changed, 255 insertions(+), 199 deletions(-)
diff --git a/présentation.tex b/présentation.tex
@@ -2,6 +2,7 @@
% ATTENTION : modifier /usr/share/texmf/web2c/texmf.cnf : chercher la ligne qui commence par main_memory (sans %) et mettre la valeur 30000000
% hyperref and lmodern : http://texblog.net/latex-archive/presentations/beamer-warnings/
\usepackage{lmodern}
+\usepackage{textcomp}% Babel says we should include this when using \textdegree.
\renewcommand\mathfamilydefault{\rmdefault}
% \usepackage[utf8]{inputenc}
% \DeclareUnicodeCharacter{B0}{\textdegree}% °
@@ -223,12 +224,12 @@
\begin{frame}
\frametitle{Perlin noise (Variations)}
\begin{itemize}
- \item<1-> Cavernes, nuages\only<2->{, textures, terrains : bruit $n$D et voxels.}
- \only<1>{
+ \item<1-> Bruit $n$D et voxels~: cavernes\only<2->{, nuages}\only<3->{, textures}\only<4->{, terrains.}
+ \only<2>{
\begin{figure}[h]
\centering
\begin{tikzpicture}[scale=0.025]
- \xdef\twodperlinsize{128}
+ \xdef\twodperlinsize{64}
\xdef\maxvtwodperlin{0}
\xdef\minvtwodperlin{0}
\def\maxradius{32}
@@ -273,7 +274,7 @@
\end{tikzpicture}
\end{figure}
}
- \only<2>{
+ \only<3>{
\begin{figure}[h]
\centering
\begin{tikzpicture}[scale=0.025]
@@ -308,8 +309,43 @@
\end{tikzpicture}
\end{figure}
}
- \item<3-> Ridged Perlin Noise.
- \only<3>{
+ \only<4>{
+ \begin{figure}[h]
+ \centering
+ \begin{tikzpicture}[scale=0.025]
+ \definecolor{gradientpoint0}{rgb}{0,0,0.5}
+ \definecolor{gradientpoint1}{rgb}{0.2,0.2,1}
+ \definecolor{gradientpoint2}{rgb}{0.9,0.6,0.1}
+ \definecolor{gradientpoint3}{rgb}{0.1,0.6,0.2}
+ \definecolor{gradientpoint4}{rgb}{0.6,0.3,0.05}
+ \definecolor{gradientpoint5}{rgb}{1,1,1}
+ \def\positions{{0,0.3,0.4,0.88,0.94,1}}
+ \foreach \y in {1,2,...,\twodperlinsize}{
+ \message{Gradient line \y/\twodperlinsize...}
+ \foreach \x in {1,2,...,\twodperlinsize}{
+ \pgfmathsetmacro{\v}{(\getcache{vtwodperlin,\x,\y}-\minvtwodperlin)/max(1,\maxvtwodperlin-\minvtwodperlin)}
+ \pgfmathsetmacro{\v}{max(0,min(1,\v))}
+ \foreach \pointb in {1,...,5}{
+ \pgfmathsetmacro{\posb}{\positions[\pointb]}
+ \pgfmathparse{\v <= \posb}
+ \ifnum 1=\pgfmathresult
+ \setintmacro{\pointa}{\pointb-1}
+ \pgfmathsetmacro{\posa}{\positions[\pointa]}
+ \pgfmathsetmacro{\mix}{100 - 100 * (\v-\posa) / (\posb-\posa)}
+ \xdef\colora{gradientpoint\pointa}
+ \xdef\colorb{gradientpoint\pointb}
+ \xdef\mix{\mix}
+ \breakforeach
+ \fi
+ }
+ \path[fill=\colora!\mix!\colorb] (\x,\y) rectangle ++(1.5,1.5);
+ }
+ }
+ \end{tikzpicture}
+ \end{figure}
+ }
+ \item<5-> Ridged Perlin Noise.
+ \only<5>{
\begin{figure}[h]
\centering
\begin{tikzpicture}[scale=0.025]
@@ -345,200 +381,219 @@
\end{tikzpicture}
\end{figure}
}
- \item<4-> Midpoint displacement.
- \item<5-> Simplex noise : généralisation des triangles équilatéraux à $n$ dimensions, interpolation par rapport aux coins. $d^2$ au lieu de $2^d$.
- \item<6-> Bruit répétable 1D : points sur un cercle dans un espace 2D. Généralisation à $n$ dimensions : hypercercle $n$D dans un espace $2n$D.
+ \item<6-> Midpoint displacement.
+ \only<6-8>{
+ \begin{figure}[h]
+ \centering
+ \begin{tikzpicture}
+ % TODO : figure en 3 étapes
+ \end{tikzpicture}
+ \end{figure}
+ }
+ \item<9-> Simplex noise : généralisation des triangles équilatéraux à $n$ dimensions, interpolation par rapport aux coins. $d^2$ au lieu de $2^d$.
+ \item<10-> Bruit répétable 1D : points sur un cercle dans un espace 2D. Généralisation à $n$ dimensions : hypercercle $n$D dans un espace $2n$D.
{\tiny\url{http://www.gamedev.net/blog/33/entry-2138456-seamless-noise/}}
+ \only<10-12>{
+ \begin{figure}[h]
+ \centering
+ \begin{tikzpicture}
+ % TODO : figure en 3 étapes
+ \end{tikzpicture}
+ \end{figure}
+ }
\end{itemize}
\end{frame}
\subsection{Craters et Hills Algorithm}
\begin{frame}
+ % Création du craters
+ \xdef\craterssize{128}
+ \xdef\maxvcraters{0}
+ \xdef\minvcraters{0}
+ \def\maxradius{32}
+ \def\ncircles{100}
+ \foreach \y in {1,2,...,\craterssize}{
+ \foreach \x in {1,2,...,\craterssize}{
+ \setcache{vcraters,\x,\y}{0}
+ }
+ }
+ \foreach \c in {1,...,\ncircles}{
+ \setintmacro{\circlex}{noise1D(\c,0)*\craterssize}
+ \setintmacro{\circley}{noise1D(\c,1)*\craterssize}
+ \setintmacro{\circler}{noise1D(\c,2)*\maxradius}
+ \message{Circle number \c/\ncircles, center (\circlex, \circley), radius \circler}
+ \foreach \dy in {-\circler,...,\circler}{
+ \setintmacro{\y}{\circley+\dy}
+ \pgfmathparse{(\y > 0) && (\y <= \craterssize)}
+ \ifnum 1=\pgfmathresult
+ \foreach \dx in {-\circler,...,\circler}{
+ \setintmacro{\x}{\circlex+\dx}
+ \pgfmathparse{(\x > 0) && (\x <= \craterssize)}
+ \ifnum 1=\pgfmathresult
+ \xdef\oldv{\getcache{vcraters,\x,\y}}
+ \pgfmathsetmacro{\v}{\oldv - max(0,\circler - ((\dx*\dx + \dy*\dy)/\circler))}
+ \setcache{vcraters,\x,\y}{\v}
+ \pgfmathparse{max(\maxvcraters,\v)}
+ \xdef\maxvcraters{\pgfmathresult}
+ \pgfmathparse{min(\minvcraters,\v)}
+ \xdef\minvcraters{\pgfmathresult}
+ \fi
+ }
+ \fi
+ }
+ }
+ % Création du perlin + craters
+ \xdef\cratersperlinsize{\twodperlinsize}
+ \xdef\maxvcratersperlin{\maxvtwodperlin}
+ \xdef\minvcratersperlin{\minvtwodperlin}
+ \def\maxradius{32}
+ \def\ncircles{20}
+ \foreach \y in {1,2,...,\cratersperlinsize}{
+ \foreach \x in {1,2,...,\cratersperlinsize}{
+ \setcache{vcratersperlin,\x,\y}{\getcache{vtwodperlin,\x,\y}}
+ }
+ }
+ \foreach \c in {1,...,\ncircles}{
+ \setintmacro{\circlex}{noise1D(\c,0)*\cratersperlinsize}
+ \setintmacro{\circley}{noise1D(\c,1)*\cratersperlinsize}
+ \setintmacro{\circler}{noise1D(\c,2)*\maxradius}
+ \message{Circle number \c/\ncircles, center (\circlex, \circley), radius \circler}
+ \foreach \dy in {-\circler,...,\circler}{
+ \setintmacro{\y}{\circley+\dy}
+ \pgfmathparse{(\y > 0) && (\y <= \cratersperlinsize)}
+ \ifnum 1=\pgfmathresult
+ \foreach \dx in {-\circler,...,\circler}{
+ \setintmacro{\x}{\circlex+\dx}
+ \pgfmathparse{(\x > 0) && (\x <= \cratersperlinsize)}
+ \ifnum 1=\pgfmathresult
+ \xdef\oldv{\getcache{vcratersperlin,\x,\y}}
+ \pgfmathparse{\oldv - max(0,\circler - ((\dx*\dx + \dy*\dy)/\circler))}
+ \setcache{vcratersperlin,\x,\y}{\pgfmathresult}
+ \pgfmathparse{max(\maxvcratersperlin,\pgfmathresult)}
+ \xdef\maxvcratersperlin{\pgfmathresult}
+ \pgfmathparse{min(\minvcratersperlin,\pgfmathresult)}
+ \xdef\minvcratersperlin{\pgfmathresult}
+ \fi
+ }
+ \fi
+ }
+ }
+
\frametitle{Craters et Hills Algorithm}
+ \only<2->{
+ \begin{figure}[h]
+ \centering
+ \begin{tikzpicture}[scale=0.025]
+ \definecolor{gradientpoint0}{rgb}{0,0,0.5}
+ \definecolor{gradientpoint1}{rgb}{0.2,0.2,1}
+ \definecolor{gradientpoint2}{rgb}{0.9,0.6,0.1}
+ \definecolor{gradientpoint3}{rgb}{0.1,0.6,0.2}
+ \definecolor{gradientpoint4}{rgb}{0.6,0.3,0.05}
+ \definecolor{gradientpoint5}{rgb}{1,1,1}
+ \def\positions{{0,0.3,0.4,0.88,0.94,1}}
+ \foreach \y in {1,2,...,\craterssize}{
+ \message{Gradient line \y/\craterssize...}
+ \foreach \x in {1,2,...,\craterssize}{
+ \pgfmathsetmacro{\v}{(\getcache{vcraters,\x,\y}-\minvcraters)/max(1,\maxvcraters-\minvcraters)}
+ \pgfmathsetmacro{\v}{max(0,min(1,\v))}
+ \foreach \pointb in {1,...,5}{
+ \pgfmathsetmacro{\posb}{\positions[\pointb]}
+ \pgfmathparse{\v < \posb}
+ \ifnum 1=\pgfmathresult
+ \setintmacro{\pointa}{\pointb-1}
+ \pgfmathsetmacro{\posa}{\positions[\pointa]}
+ \pgfmathsetmacro{\mix}{100 - 100 * (\v-\posa) / (\posb-\posa)}
+ \xdef\colora{gradientpoint\pointa}
+ \xdef\colorb{gradientpoint\pointb}
+ \xdef\mix{\mix}
+ \breakforeach
+ \fi
+ }
+ \path[fill=\colora!\mix!\colorb] (\x,\y) rectangle ++(1.5,1.5);
+ }
+ }
+ \end{tikzpicture}
+ \end{figure}
+ }
+ \only<3->{
+ \begin{figure}[h]
+ \centering
+ \begin{tikzpicture}[scale=0.025]
+ \definecolor{gradientpoint0}{rgb}{0,0,0.5}
+ \definecolor{gradientpoint1}{rgb}{0.2,0.2,1}
+ \definecolor{gradientpoint2}{rgb}{0.9,0.6,0.1}
+ \definecolor{gradientpoint3}{rgb}{0.1,0.6,0.2}
+ \definecolor{gradientpoint4}{rgb}{0.6,0.3,0.05}
+ \definecolor{gradientpoint5}{rgb}{1,1,1}
+ \def\positions{{0,0.3,0.4,0.88,0.94,1}}
+ \foreach \y in {1,2,...,\cratersperlinsize}{
+ \message{Gradient line \y/\cratersperlinsize...}
+ \foreach \x in {1,2,...,\cratersperlinsize}{
+ \pgfmathsetmacro{\v}{(\getcache{vcratersperlin,\x,\y}-\minvcratersperlin)/max(1,\maxvcratersperlin-\minvcratersperlin)}
+ \pgfmathsetmacro{\v}{max(0,min(1,\v))}
+ \foreach \pointb in {1,...,5}{
+ \pgfmathsetmacro{\posb}{\positions[\pointb]}
+ \pgfmathparse{\v <= \posb}
+ \ifnum 1=\pgfmathresult
+ \setintmacro{\pointa}{\pointb-1}
+ \pgfmathsetmacro{\posa}{\positions[\pointa]}
+ \pgfmathsetmacro{\mix}{100 - 100 * (\v-\posa) / (\posb-\posa)}
+ \xdef\colora{gradientpoint\pointa}
+ \xdef\colorb{gradientpoint\pointb}
+ \xdef\mix{\mix}
+ \breakforeach
+ \fi
+ }
+ \path[fill=\colora!\mix!\colorb] (\x,\y) rectangle ++(1.5,1.5);
+ }
+ }
+ \end{tikzpicture}
+ \end{figure}
+ }
+ \only<4->{
+ \begin{figure}[h]
+ \centering
+ \begin{tikzpicture}[scale=0.025]
+ \definecolor{gradientpoint0}{rgb}{0,0,0.5}
+ \definecolor{gradientpoint1}{rgb}{0.2,0.2,1}
+ \definecolor{gradientpoint2}{rgb}{0.9,0.6,0.1}
+ \definecolor{gradientpoint3}{rgb}{0.1,0.6,0.2}
+ \definecolor{gradientpoint4}{rgb}{0.6,0.3,0.05}
+ \definecolor{gradientpoint5}{rgb}{1,1,1}
+ \def\positions{{0,0.3,0.4,0.88,0.94,1}}
+ \foreach \y in {1,2,...,\craterssize}{
+ \message{Gradient line \y/\craterssize...}
+ \foreach \x in {1,2,...,\craterssize}{
+ \pgfmathsetmacro{\v}{(\getcache{vcraters,\x,\y}-\minvcraters)/max(1,\maxvcraters-\minvcraters)}
+ \pgfmathsetmacro{\v}{max(0,min(1,\v))}
+ \pgfmathsetmacro{\v}{1-\v}
+ \foreach \pointb in {1,...,5}{
+ \pgfmathsetmacro{\posb}{\positions[\pointb]}
+ \pgfmathparse{\v < \posb}
+ \ifnum 1=\pgfmathresult
+ \setintmacro{\pointa}{\pointb-1}
+ \pgfmathsetmacro{\posa}{\positions[\pointa]}
+ \pgfmathsetmacro{\mix}{100 - 100 * (\v-\posa) / (\posb-\posa)}
+ \xdef\colora{gradientpoint\pointa}
+ \xdef\colorb{gradientpoint\pointb}
+ \xdef\mix{\mix}
+ \breakforeach
+ \fi
+ }
+ \path[fill=\colora!\mix!\colorb] (\x,\y) rectangle ++(1.5,1.5);
+ }
+ }
+ \end{tikzpicture}
+ \end{figure}
+ }
\begin{itemize}
\item<1-> Craters
\begin{itemize}
\item<1-> Soustraire des cercles au terrain ({\small $z = z - f(\text{distance au centre})$})
\item<2-> Sur un terrain nu
- \only<2>{
- \begin{figure}[h]
- \centering
- \begin{tikzpicture}[scale=0.025]
- \xdef\craterssize{128}
- \xdef\maxvcraters{0}
- \xdef\minvcraters{0}
- \def\maxradius{32}
- \def\ncircles{100}
- \foreach \y in {1,2,...,\craterssize}{
- \foreach \x in {1,2,...,\craterssize}{
- \setcache{vcraters,\x,\y}{0}
- }
- }
- \foreach \c in {1,...,\ncircles}{
- \setintmacro{\circlex}{noise1D(\c,0)*\craterssize}
- \setintmacro{\circley}{noise1D(\c,1)*\craterssize}
- \setintmacro{\circler}{noise1D(\c,2)*\maxradius}
- \message{Circle number \c/\ncircles, center (\circlex, \circley), radius \circler}
- \foreach \dy in {-\circler,...,\circler}{
- \setintmacro{\y}{\circley+\dy}
- \pgfmathparse{(\y > 0) && (\y <= \craterssize)}
- \ifnum 1=\pgfmathresult
- \foreach \dx in {-\circler,...,\circler}{
- \setintmacro{\x}{\circlex+\dx}
- \pgfmathparse{(\x > 0) && (\x <= \craterssize)}
- \ifnum 1=\pgfmathresult
- \xdef\oldv{\getcache{vcraters,\x,\y}}
- \pgfmathsetmacro{\v}{\oldv - max(0,\circler - ((\dx*\dx + \dy*\dy)/\circler))}
- \setcache{vcraters,\x,\y}{\v}
- \pgfmathparse{max(\maxvcraters,\v)}
- \xdef\maxvcraters{\pgfmathresult}
- \pgfmathparse{min(\minvcraters,\v)}
- \xdef\minvcraters{\pgfmathresult}
- \fi
- }
- \fi
- }
- }
- \definecolor{gradientpoint0}{rgb}{0,0,0.5}
- \definecolor{gradientpoint1}{rgb}{0.2,0.2,1}
- \definecolor{gradientpoint2}{rgb}{0.9,0.6,0.1}
- \definecolor{gradientpoint3}{rgb}{0.1,0.6,0.2}
- \definecolor{gradientpoint4}{rgb}{0.6,0.3,0.05}
- \definecolor{gradientpoint5}{rgb}{1,1,1}
- \def\positions{{0,0.3,0.4,0.88,0.94,1}}
- \foreach \y in {1,2,...,\craterssize}{
- \message{Gradient line \y/\craterssize...}
- \foreach \x in {1,2,...,\craterssize}{
- \pgfmathsetmacro{\v}{(\getcache{vcraters,\x,\y}-\minvcraters)/max(1,\maxvcraters-\minvcraters)}
- \pgfmathsetmacro{\v}{max(0,min(1,\v))}
- \foreach \pointb in {1,...,5}{
- \pgfmathsetmacro{\posb}{\positions[\pointb]}
- \pgfmathparse{\v < \posb}
- \ifnum 1=\pgfmathresult
- \setintmacro{\pointa}{\pointb-1}
- \pgfmathsetmacro{\posa}{\positions[\pointa]}
- \pgfmathsetmacro{\mix}{100 - 100 * (\v-\posa) / (\posb-\posa)}
- \xdef\colora{gradientpoint\pointa}
- \xdef\colorb{gradientpoint\pointb}
- \xdef\mix{\mix}
- \breakforeach
- \fi
- }
- \path[fill=\colora!\mix!\colorb] (\x,\y) rectangle ++(1.5,1.5);
- }
- }
- \end{tikzpicture}
- \end{figure}
- }
\item<3-> Sur un terrain existant
- \only<3>{
- \begin{figure}[h]
- \centering
- \begin{tikzpicture}[scale=0.025]
- \xdef\cratersperlinsize{\twodperlinsize}
- \xdef\maxvcratersperlin{\maxvtwodperlin}
- \xdef\minvcratersperlin{\minvtwodperlin}
- \def\maxradius{32}
- \def\ncircles{20}
- \foreach \y in {1,2,...,\cratersperlinsize}{
- \foreach \x in {1,2,...,\cratersperlinsize}{
- \setcache{vcratersperlin,\x,\y}{\getcache{vtwodperlin,\x,\y}}
- }
- }
- \foreach \c in {1,...,\ncircles}{
- \setintmacro{\circlex}{noise1D(\c,0)*\cratersperlinsize}
- \setintmacro{\circley}{noise1D(\c,1)*\cratersperlinsize}
- \setintmacro{\circler}{noise1D(\c,2)*\maxradius}
- \message{Circle number \c/\ncircles, center (\circlex, \circley), radius \circler}
- \foreach \dy in {-\circler,...,\circler}{
- \setintmacro{\y}{\circley+\dy}
- \pgfmathparse{(\y > 0) && (\y <= \cratersperlinsize)}
- \ifnum 1=\pgfmathresult
- \foreach \dx in {-\circler,...,\circler}{
- \setintmacro{\x}{\circlex+\dx}
- \pgfmathparse{(\x > 0) && (\x <= \cratersperlinsize)}
- \ifnum 1=\pgfmathresult
- \xdef\oldv{\getcache{vcratersperlin,\x,\y}}
- \pgfmathparse{\oldv - max(0,\circler - ((\dx*\dx + \dy*\dy)/\circler))}
- \setcache{vcratersperlin,\x,\y}{\pgfmathresult}
- \pgfmathparse{max(\maxvcratersperlin,\pgfmathresult)}
- \xdef\maxvcratersperlin{\pgfmathresult}
- \pgfmathparse{min(\minvcratersperlin,\pgfmathresult)}
- \xdef\minvcratersperlin{\pgfmathresult}
- \fi
- }
- \fi
- }
- }
- \definecolor{gradientpoint0}{rgb}{0,0,0.5}
- \definecolor{gradientpoint1}{rgb}{0.2,0.2,1}
- \definecolor{gradientpoint2}{rgb}{0.9,0.6,0.1}
- \definecolor{gradientpoint3}{rgb}{0.1,0.6,0.2}
- \definecolor{gradientpoint4}{rgb}{0.6,0.3,0.05}
- \definecolor{gradientpoint5}{rgb}{1,1,1}
- \def\positions{{0,0.3,0.4,0.88,0.94,1}}
- \foreach \y in {1,2,...,\cratersperlinsize}{
- \message{Gradient line \y/\cratersperlinsize...}
- \foreach \x in {1,2,...,\cratersperlinsize}{
- \pgfmathsetmacro{\v}{(\getcache{vcratersperlin,\x,\y}-\minvcratersperlin)/max(1,\maxvcratersperlin-\minvcratersperlin)}
- \pgfmathsetmacro{\v}{max(0,min(1,\v))}
- \foreach \pointb in {1,...,5}{
- \pgfmathsetmacro{\posb}{\positions[\pointb]}
- \pgfmathparse{\v <= \posb}
- \ifnum 1=\pgfmathresult
- \setintmacro{\pointa}{\pointb-1}
- \pgfmathsetmacro{\posa}{\positions[\pointa]}
- \pgfmathsetmacro{\mix}{100 - 100 * (\v-\posa) / (\posb-\posa)}
- \xdef\colora{gradientpoint\pointa}
- \xdef\colorb{gradientpoint\pointb}
- \xdef\mix{\mix}
- \breakforeach
- \fi
- }
- \path[fill=\colora!\mix!\colorb] (\x,\y) rectangle ++(1.5,1.5);
- }
- }
- \end{tikzpicture}
- \end{figure}
- }
\end{itemize}
\item<4-> Hills Algorithm~: ajouter des cercles
- \only<4>{
- \begin{figure}[h]
- \centering
- \begin{tikzpicture}[scale=0.025]
- \definecolor{gradientpoint0}{rgb}{0,0,0.5}
- \definecolor{gradientpoint1}{rgb}{0.2,0.2,1}
- \definecolor{gradientpoint2}{rgb}{0.9,0.6,0.1}
- \definecolor{gradientpoint3}{rgb}{0.1,0.6,0.2}
- \definecolor{gradientpoint4}{rgb}{0.6,0.3,0.05}
- \definecolor{gradientpoint5}{rgb}{1,1,1}
- \def\positions{{0,0.3,0.4,0.88,0.94,1}}
- \foreach \y in {1,2,...,\craterssize}{
- \message{Gradient line \y/\craterssize...}
- \foreach \x in {1,2,...,\craterssize}{
- \pgfmathsetmacro{\v}{(\getcache{vcraters,\x,\y}-\minvcraters)/max(1,\maxvcraters-\minvcraters)}
- \pgfmathsetmacro{\v}{max(0,min(1,\v))}
- \pgfmathsetmacro{\v}{1-\v}
- \foreach \pointb in {1,...,5}{
- \pgfmathsetmacro{\posb}{\positions[\pointb]}
- \pgfmathparse{\v < \posb}
- \ifnum 1=\pgfmathresult
- \setintmacro{\pointa}{\pointb-1}
- \pgfmathsetmacro{\posa}{\positions[\pointa]}
- \pgfmathsetmacro{\mix}{100 - 100 * (\v-\posa) / (\posb-\posa)}
- \xdef\colora{gradientpoint\pointa}
- \xdef\colorb{gradientpoint\pointb}
- \xdef\mix{\mix}
- \breakforeach
- \fi
- }
- \path[fill=\colora!\mix!\colorb] (\x,\y) rectangle ++(1.5,1.5);
- }
- }
- \end{tikzpicture}
- \end{figure}
- }
\item<5-> Stockage des cercles dans un arbre (BSP, Quadtree, LOD, \dots{}).
\end{itemize}
\end{frame}
@@ -548,12 +603,12 @@
\begin{frame}
\frametitle{Érosion}
\begin{itemize}
- \item Déplacement de sédiments.
- \item Taux en fonction de la pente, dureté de la roche, végétation.
- \item Carte de circulation des eaux.
- \item Pas temps-réel.
- \item Approximation : modification de la distribution des hauteurs.
- % TODO : schéma
+ \item<1-> Déplacement de sédiments.
+ \item<2-> Taux en fonction de la pente, dureté de la roche, végétation.
+ \item<3-> Carte de circulation des eaux.
+ \item<4-> Pas temps-réel.
+ \item<5-6> Approximation : modification de la distribution des hauteurs.
+ % TODO : schéma en 2 étapes
\begin{figure}[h]
\centering
\begin{tikzpicture}
@@ -570,13 +625,14 @@
\begin{frame}
\frametitle{Autres méthodes}
\begin{itemize}
- \item Chaînage d'algorithmes de bruit
+ \item<1-> Chaînage d'algorithmes de bruit
\begin{itemize}
\item Ajout de couleurs, climats, végétation, relief\dots{}
\item Altération du comportement d'un algo.
\item {\tiny\url{http://www.gamedev.net/blog/33/entry-2249260-procedural-islands-redux/}}
\end{itemize}
- \item Cartes polygonales. {\tiny\url{http://www-cs-students.stanford.edu/~amitp/game-programming/polygon-map-generation/}}
+ \item<2-> Cartes polygonales. {\tiny\url{http://www-cs-students.stanford.edu/~amitp/game-programming/polygon-map-generation/}}
+ % TODO : ne sera probablement pas fait faute de temps.
% TODO : images
% - découpage du plan en polygones
% - positionnement de la mer et des lacs
@@ -584,7 +640,7 @@
% - tracé de rivières en descendant le long des segments des polygones.
% - climats et biotopes en fonction de l'élévation et de la distance à l'humidité.
% - bruitage supplémentaire.
- \item Intégration de formes dans le terrain.
+ \item<3-> Intégration de formes dans le terrain.
\end{itemize}
\end{frame}
@@ -593,12 +649,12 @@
\begin{frame}
\frametitle{Rivières}
\begin{itemize}
- \item Pathfinding {\tiny\url{http://www.umbrarumregnum.net/articles/creating-rivers}}
+ \item<1-> Pathfinding {\tiny\url{http://www.umbrarumregnum.net/articles/creating-rivers}}
% Image
- \item Affinage du tracé en fonction du LOD.
- % Schéma sur un ou deux niveaux d'affinage.
- \item Tracé arbitraire.
- \item Intégration dans le terrain.
+ \item<2-4> Affinage du tracé en fonction du LOD.
+ % Schéma sur 3 niveaux d'affinage en 3 étapes.
+ \item<5-> Tracé arbitraire.
+ \item<6-> Intégration dans le terrain.
\end{itemize}
\end{frame}
% Si on utilise une méthode de coût qui favorise de passer par un petit
