main/src/georegression/struct/shapes/Polygon2D_F64.java
public LineSegment2D_F64 getLine( int index , LineSegment2D_F64 storage ) {
		if( storage == null )
			storage = new LineSegment2D_F64();

		int j = (index+1)%vertexes.size;

		storage.a.set(get(index));
		storage.b.set(get(j));

		return storage;
	}
public LineSegment2D_F64 getLine( int index , LineSegment2D_F64 storage ) {
		if( storage == null )
			storage = new LineSegment2D_F64();

		int j = (index+1)%vertexes.size;

		storage.a.set(get(index));
		storage.b.set(get(j));

		return storage;
	}
public LineSegment2D_F64 getLine ( int index , LineSegment2D_F64 storage ) { if ( storage == null ) storage = new LineSegment2D_F64 ( ) ; int j = ( index + 1 ) % vertexes . size ; storage . a . set ( get ( index ) ) ; storage . b . set ( get ( j ) ) ; return storage ; }
Returns the line/edge defined by vertex index and index+1.
@param index Index of the line
@return A new instance of the line segment.
Returns the line / edge defined by vertex index and index + 1 .