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@davidrobles
Last active August 29, 2015 14:14
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Tic-Tac-Toe Game Tree
<!DOCTYPE html>
<meta charset="utf-8">
<html>
<head>
<title>Tic-Tac-Toe Game Tree</title>
</head>
<body>
<script src="http://www.davidrobles.net/js/visualizing-game-trees-with-d3/underscore.js"></script>
<script src="http://www.davidrobles.net/js/visualizing-game-trees-with-d3/backbone.js"></script>
<script src="http://www.davidrobles.net/js/visualizing-game-trees-with-d3/d3.js"></script>
<script src="http://www.davidrobles.net/js/visualizing-game-trees-with-d3/mauler-0.0.4.js"></script>
<script>
var ticTacToe = new ma.games.TicTacToe({
board: [['O', 'X', ' '],
['O', 'X', ' '],
[' ', ' ', 'X']]
});
var margin = { top: 50, right: 50, bottom: 50, left: 50 },
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom,
nodeSize = 85,
nodeMargin = nodeSize / 3.4;
edgeWidth = 2;
var svgView = new ma.views.TicTacToeSVG({
model: ticTacToe,
sideLength: nodeSize
});
var depthFirstTreeGenerator = function(node) {
var moves = node.game.moves();
if (moves.length > 0) {
node.children = [];
for (var i = 0; i < moves.length; i++) {
var newTic = node.game.copy();
newTic.move(i);
var newGameNode = { game: newTic };
node.children.push(newGameNode);
depthFirstTreeGenerator(newGameNode);
}
}
};
var root = {
name: "root",
game: ticTacToe
};
depthFirstTreeGenerator(root);
var diagonal = d3.svg.diagonal().projection(function(d) { return [d.x, d.y]; });
var svg = d3.select("body")
.append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.attr("style", "background-color: wheat")
.append("g")
.attr("transform", "translate(" + margin.left + ", " + margin.top + ")");
var tree = d3.layout.tree().size([width, height]);
tree.separation(function() {
return 2;
});
var nodes = tree(root);
// Draw edges
svg.selectAll("path")
.data(tree.links(nodes))
.enter().append("path")
.attr("d", diagonal)
.attr("fill", "none")
.attr("stroke", "#666666")
.attr("stroke-width", 2);
svg.selectAll("g.node-group")
.data(nodes)
.enter()
.append("g")
.attr("class", "node-group")
.attr("transform", function(d) {
return "translate(" + (d.x - nodeMargin) + ", " + (d.y - nodeMargin) + ")"
});
// Draw nodes
svg.selectAll(".node-group")
.each(function(node) {
svgView.model = node.game;
svgView.svg = d3.select(this);
svgView.render();
});
svg.selectAll(".node-group")
.attr("transform", function() {
return this.getAttribute("transform") + " scale(0.6)";
});
</script>
</body>
</html>
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