public void displayMap( int[][] _map )
	{
		
		background( 200 );
		stroking = false;
		for ( int j = 0; j < _map.length; j++ )
		{
			for ( int i = 0; i < _map[0].length; i++ )
			{
				switch( _map[j][i] / 10 )
				{
					case 0:
						break;
					case 1:
						fill( 100 );
						rect( i * 40, j * 40, 40, 40 );
						break;
					case 2: case 3:
						fill( 80, 127, 80 );
						rect( i * 40, j * 40, 40, 40 );
						break;
				}
			}
		}
		
	}