protected void findCenter ( ) { center = new float [ ] { 0 , 0 } ; int length = points . length ; for ( int i = 0 ; i < length ; i += 2 ) { center [ 0 ] += points [ i ] ; center [ 1 ] += points [ i + 1 ] ; } center [ 0 ] /= ( length / 2 ) ; center [ 1 ] /= ( length / 2 ) ; }
Get the center of this polygon .