# Package com.threerings.puzzle.drop.client

Interface Summary
DropPanel: Puzzles using the drop services need implement this interface to display drop puzzle related information.
DropSpriteObserver: Provides notifications for drop puzzle specific stuff.

Class Summary
DropBlockSprite: The drop block sprite represents a block of multiple pieces that can be rotated to any of the four cardinal compass directions.
DropBoardView: The drop board view displays a drop puzzle game in progress for a single player.
DropControllerDelegate: Games that wish to make use of the drop puzzle services will need to create an extension of this delegate class, customizing it for their particular game and then adding it via `PlaceController.addDelegate(com.threerings.crowd.client.PlaceControllerDelegate)`.
DropSprite: The drop sprite is a sprite that displays one or more pieces falling toward the bottom of the board.
NextBlockView: The next block view displays an image representing the next drop block to appear in the game.
PieceGroupAnimation: Animates all the pieces on a puzzle board doing some sort of global effect like all flying into place or out into the ether.