int size=200;
	if(lowquality)
		size=60;
	lago=new Lago(size, size, 1, 1);
	boat=new Boat ( "boat.3ds", size, size );
	cam=new Camera();
	if(lowquality)
		fondo=new Fondo("sky_lo.bmp", 30, 8);
	else
		fondo=new Fondo("sky_hi.bmp", 100, 32);
	fps=new FrameRate();
	if(lowquality)
		terrain=new Terrain("terreno_lo.bmp");
	else
		terrain=new Terrain("terreno_hi.bmp");
	boat->bindTerrain(terrain);