Board -> Physicsboard#
PhysicsBoard is a child class of Board
classDiagram
BaseBoard <|-- Board
Board <|-- PixelBoard
BaseBoard <|-- TiledBoard
PixelBoard <|-- PhysicsBoard
class BaseBoard{
}
class Board{
}
class PixelBoard{
}
class TiledBoard{
}
class PhysicsBoard{
}