getColumn method

Vector2 getColumn (int column)

Gets the column of the matrix

Implementation 

Vector2 getColumn(int column) {
  final Vector2 r = new Vector2.zero();
  final int entry = column * 2;
  final Float64List rStorage = r._v2storage;
  rStorage[1] = _m2storage[entry + 1];
  rStorage[0] = _m2storage[entry + 0];
  return r;
}