GitHub - explodingbarrel/javascript-astar: A* Search / Pathfinding Algorithm in Javascript
<script type='text/javascript' src='astar.js'></script>
<script type='text/javascript'>
var graph = new Graph([
[1,1,1,1],
[0,1,1,0],
[0,0,1,1]
]);
var start = graph.nodes[0][0];
var end = graph.nodes[1][2];
var result = astar.search(graph.nodes, start, end);
// result is an array containing the shortest path
var resultWithDiagonals = astar.search(graph.nodes, start, end, true);
// result now searches diagonal neighbors as well
// Weight can easily be added by increasing the values within the graph, and where 0 is infinite (a wall)
var graphWithWeight = new Graph([
[1,1,2,30],
[0,4,1.3,0],
[0,0,5,1]
]);
var startWithWeight = graphWithWeight.nodes[0][0];
var endWithWeight = graphWithWeight.nodes[1][2];
var resultWithWeight = astar.search(graphWithWeight.nodes, startWithWeight, endWithWeight);
// resultWithWeight is an array containing the shortest path taking into account the weight of a node
</script>