player rotates and moves, rays for raycasting on map

srcs/cube3d.c

@@ -24,6 +24,8 @@ int		main(int ac, char **av)
 	init_parsing(ac, av, game);
 	mb_init(destroy_mlx, game);
 
+	// draw game a first time before it start
+	draw(game);
 	// receive a keypress event
 	mlx_hook(game->win_ptr, 2, 1L << 0, keypress, game);
 	// receive a keyprelease event