\documentclass[convert=true,convert={convertexe={convert},density=1200,outext=.png}]{standalone}

\input{figsDefs.tex}

\begin{document}
	
\begin{tikzpicture}%
	% point 1
	\path (2,1) node[shape=coordinate] (A) {};
	\draw[blue,fill=blue] (A) circle (0.05);%
	\draw[blue] (A)+(.25,.2) node {$A$};%
	\draw[->,>=latex,thick] (0,0) -- (A) node[above,pos=0.5] {$\vec{r}_0$};%
	% droite
	\path (A)+(-1,.5) node[shape=coordinate] (P1) {};
	\path (A)+(3,-1.5) node[shape=coordinate] (P2) {};
	\draw[blue,thick] (P1) -- (P2) node[above right] {$\Gamma$};
	% point 2
	\path (A)+(1.5,-0.75) node[shape=coordinate] (P) {};
	\draw[blue,fill=blue] (P) circle (0.05);%
	\draw[blue] (P)+(.25,.2) node {$P$};%
	\draw[->,>=latex,thick] (0,0) -- (P) node[below,pos=0.5] {$\vec{r}(t)$};%
	% vitesse initiale
	\draw[->,>=latex,thick,vitCol] (A) -- +(1,-.5) node[above,pos=0.8] {$\vec{v}_0$};%
	% vitesse
	\draw[->,>=latex,thick,vitCol] (P) -- +(1,-.5) node[above,pos=0.8] {$\vec{v}_0$};%
	% origine
	\draw[-] (0,-.1) -- (0,+.1) node[below left,pos=0.6] {$O$};%
	\draw[-] (-.1,0) -- (.1,0) node[below] {};%
\end{tikzpicture}%

\end{document}