ChessPeace: DragPiece(scr,eventdata) - File Exchange

Code covered by the BSD License

Highlights from
ChessPeace

BoardInitialization(format) Sets up the board object, B, based on the specified format
ChessPeace(action) Performs the action related-request for the game.
ClickPiece(src,eventdata,f1,h... execute script for this image
ComputerAlpha(pList,B) make a random legal move
ComputerBeta(pList,B) a computer personality that looks 1 move ahead and considers pieces as
ComputerGamma(pList,B) A computer personality usually looking 2 moves ahead.
ComputerPieceMovements(move,B... function that moves the computer's pieces on the board
DragPiece(scr,eventdata) function for updating piece data location
DropPiece(src,eventdata,f1,p0... drop the piece - test for legitimate placements
MakeMove(start,finish,B,pflag... updates the board object by moving a piece from "start" to "finish"
NewPiece(pieceName,colour) generates a new piece
PossibleMoves(B,noCheck) generates a list of all possible moves given the board object, B
PrintHelp(query) prints help statements to dialogue boxes
RequestMove(type,B) get move from user/computer
TextView(B) displays the board object to the user as text
clockCallback(obj,event,cmd,g... test callback
formatTimeStr(t) format the time strings
leap(x,y,mode,pos,lim,B,drctn...
mirrorImage(X) mirrorImage do X upside down.
popupmessage(textfile,titlena... Display a text file in a popupmenu
teleport(mode,pos,B,style,x) a "teleport" movement function rather than a "leap" for various odd
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from ChessPeace by Zachary Danziger
Software for playing Chess and Chess Variants

DragPiece(scr,eventdata)

function DragPiece(scr,eventdata)
% function for updating piece data location
%
% %%% code for ChessPiece, v1.1 2012, ZCD %%%
%

global userLockout
% userLockout is set in "RequestMove"

% keep the user for messing with pieces if it is not their turn
if ~userLockout

cloc = get(gca,'CurrentPoint');
set(gco,'XData',[0 1]+cloc(1,1)-0.5,'YData',[0 1]+cloc(1,2)-0.5)

drawnow;
end

Highlights from ChessPeace

Highlights from
ChessPeace