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added default values for chessboard()

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walterhiggins 2013-02-05 20:47:54 +00:00
parent fe3530788a
commit 97553d7da4
1 changed files with 22 additions and 20 deletions
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40
src/main/javascript/drone/chessboard.js
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@ -2,29 +2,31 @@
* Creates a tile pattern of given block types and size * Creates a tile pattern of given block types and size
* *
* Paramters: * Paramters:
* whiteBlock - blockId used for the traditional white portion of the chessboard * whiteBlock - blockId used for the traditional white portion of the chessboard
* blackBlock - blockId used for the traditional black portion of the chessboard * blackBlock - blockId used for the traditional black portion of the chessboard
* width - width of the chessboard * width - width of the chessboard
* height - height of the chessboard * height - height of the chessboard
*/ */
load(__folder + "drone.js"); load(__folder + "drone.js");
Drone.extend("chessboard", function(whiteBlock, blackBlock, width, depth) { Drone.extend("chessboard", function(whiteBlock, blackBlock, width, depth) {
this.chkpt('chessboard-start'); this.chkpt('chessboard-start');
width = width || 8;
depth = depth || width;
blackBlock = blackBlock || blocks.wool.black;
whiteBlock = whiteBlock || blocks.wool.white;
var dep = depth || width; for(var i = 0; i < width; ++i) {
for(var j = 0; j < depth; ++j) {
var block = blackBlock;
if((i+j)%2 == 1) {
block = whiteBlock;
}
this.box(block);
this.right();
}
this.move('chessboard-start').fwd(i+1);
}
for(var i = 0; i < width; ++i) { return this.move('chessboard-start');
for(var j = 0; j < dep; ++j) {
var block = blackBlock;
if((i+j)%2 == 1) {
block = whiteBlock;
}
this.box(block);
this.right();
}
this.move('chessboard-start').fwd(i+1);
}
return this.move('chessboard-start');
}); });