Package popinjay

Class Summary

Class	Description
AffineTransform	A mutable affine transformation on 2D points.
Board	A mutable state of the puzzle board, with some set of pieces placed on it.
Main	A solver for the Popinjay puzzle, which has 11 J-shaped pieces.
Piece	A Piece represents a puzzle piece, which is a Shape that has been rotated, flipped, and translated to some position on a Board by an affine transformation.
Point	An immutable 2D point (x,y).
Shape	A Shape represents a puzzle piece as a collection of points.