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demoPlay.html
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<!DOCTYPE HTML>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Board</title>
<style>
body { text-align: center; }
div { margin: 20px auto; color: #888; }
</style>
<link rel="stylesheet" href="demoSGF.css" type="text/css">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">
<script src="jquery-2.1.1.min.js"></script>
</head>
<body>
<div id="board"></div>
<p class="controls" style="width: 500px;">
<a href="#" onclick="move(0); return false;"><i class="fa fa-fast-backward"></i></a>
<a href="#" onclick="move(-10); return false;"><i class="fa fa-backward"></i></a>
<a href="#" onclick="move(-1); return false;"><i class="fa fa-step-backward"></i></a>
<strong id="move">1</strong> / <strong id="moves">1</strong>
<a href="#" onclick="move(1); return false;"><i class="fa fa-step-forward"></i></a>
<a href="#" onclick="move(10); return false;"><i class="fa fa-forward"></i></a>
<a href="#" onclick="move(1000); return false;"><i class="fa fa-fast-forward"></i></a>
Variation: <strong id="variation">1</strong> / <strong id="variations">1</strong>
<a href="#" onclick="nextVariation(); return false;"><i title="variation" class="fa fa-arrows-v"></i></a>
</p>
<div>
<div id="black-captures">0</div>
<div id="white-captures">0</div>
</div>
<div><p>Click on board to play. See page source for implementation, and
<a href="http://jgoboard.com">http://jgoboard.com</a> for details.</p></div>
<script type="text/javascript" src="dist/jgoboard-latest.js"></script>
<!--
<script type="text/javascript" src="large/board.js"></script>
<script type="text/javascript" src="medium/board.js"></script>
-->
<script type="text/javascript" src="medium/board.js"></script>
<script type="text/javascript">
var updateCaptures = function (node) {
document.getElementById('black-captures').innerText = node.info.captures[JGO.BLACK];
document.getElementById('white-captures').innerText = node.info.captures[JGO.WHITE];
};
var jrecord = new JGO.Record(19);
var jboard = jrecord.jboard;
//var jsetup = new JGO.Setup(jboard, JGO.BOARD.largeWalnut);
var jsetup = new JGO.Setup(jboard, JGO.BOARD.mediumWalnut);
//设置为黑先走
//var player = JGO.WHITE; // next player
var player = JGO.BLACK; // next player
var ko = false, lastMove = false; // ko coordinate and last move coordinate
var lastHover = false, lastX = -1, lastY = -1; // hover helper vars
//设置让子
//jboard.setType(JGO.util.getHandicapCoordinates(jboard.width, 2), JGO.BLACK);
jsetup.setOptions({stars: {points:5}});
jsetup.create('board', function(canvas) {
canvas.addListener('click', function(coord, ev) {
var opponent = (player == JGO.BLACK) ? JGO.WHITE : JGO.BLACK;
if(ev.shiftKey) { // on shift do edit
if(jboard.getMark(coord) == JGO.MARK.NONE)
jboard.setMark(coord, JGO.MARK.SELECTED);
else
jboard.setMark(coord, JGO.MARK.NONE);
return;
}
// clear hover away - it'll be replaced or then it will be an illegal move
// in any case so no need to worry about putting it back afterwards
if(lastHover)
jboard.setType(new JGO.Coordinate(lastX, lastY), JGO.CLEAR);
lastHover = false;
var play = jboard.playMove(coord, player, ko);
if(play.success) {
node = jrecord.createNode(true);
node.info.captures[player] += play.captures.length; // tally captures
node.setType(coord, player); // play stone
node.setType(play.captures, JGO.CLEAR); // clear opponent's stones
if(lastMove)
node.setMark(lastMove, JGO.MARK.NONE); // clear previous mark
if(ko)
node.setMark(ko, JGO.MARK.NONE); // clear previous ko mark
node.setMark(coord, JGO.MARK.CIRCLE); // mark move
lastMove = coord;
if(play.ko)
node.setMark(play.ko, JGO.MARK.CIRCLE); // mark ko, too
ko = play.ko;
player = opponent;
updateCaptures(node);
moveNum++;
updateInfo();
} else alert('Illegal move: ' + play.errorMsg);
});
canvas.addListener('mousemove', function(coord, ev) {
if(coord.i == -1 || coord.j == -1 || (coord.i == lastX && coord.j == lastY))
return;
if(lastHover) // clear previous hover if there was one
jboard.setType(new JGO.Coordinate(lastX, lastY), JGO.CLEAR);
lastX = coord.i;
lastY = coord.j;
if(jboard.getType(coord) == JGO.CLEAR && jboard.getMark(coord) == JGO.MARK.NONE) {
jboard.setType(coord, player == JGO.WHITE ? JGO.DIM_WHITE : JGO.DIM_BLACK);
lastHover = true;
} else
lastHover = false;
});
canvas.addListener('mouseout', function(ev) {
if(lastHover)
jboard.setType(new JGO.Coordinate(lastX, lastY), JGO.CLEAR);
lastHover = false;
});
});
var moveNum = 0, moves = 0, gotoMove = 0;
//var jrecord = false, jnotifier;
function move(dir) { // dir=0 has special meaning "beginning"
if(!jrecord) return; // disable movement until SGF loaded
if(dir == 0) {
jrecord.first();
moveNum = 0;
}
while(dir < 0) {
if(!jrecord.previous()) break;
var opponent = (player == JGO.BLACK) ? JGO.WHITE : JGO.BLACK;
player = opponent;
moveNum--; dir++;
}
while(dir > 0) {
if(!jrecord.next()) break;
var opponent = (player == JGO.BLACK) ? JGO.WHITE : JGO.BLACK;
player = opponent;
moveNum++; dir--;
}
updateInfo();
}
function nextVariation() {
jrecord.setVariation((jrecord.getVariation() + 1) % jrecord.getVariations());
updateInfo();
}
function updateInfo() {
if(!jrecord) return;
var info = jrecord.getCurrentNode().info;
$('#move').html(moveNum);
$('#comments').html(info.comment ? info.comment.replace(/\n/g, '<br>') : '');
$('#black_captures').html(info.captures[JGO.BLACK]);
$('#white_captures').html(info.captures[JGO.WHITE]);
$('#variation').html(jrecord.getVariation()+1);
$('#variations').html(jrecord.getVariations());
}
</script>
</body>
</html>