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if f-values are equal (<0.0001) compare h-values #98

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if f-values are equal (<0.0001) compare h-values #98

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4 changes: 3 additions & 1 deletion src/finders/AStarFinder.js
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,9 @@ function AStarFinder(opt) {
*/
AStarFinder.prototype.findPath = function(startX, startY, endX, endY, grid) {
var openList = new Heap(function(nodeA, nodeB) {
return nodeA.f - nodeB.f;
var MAX_DIFF = 0.000001;
var diff = nodeA.f - nodeB.f;
return abs(diff) < MAX_DIFF ? nodeA.h - nodeB.h : diff;
}),
startNode = grid.getNodeAt(startX, startY),
endNode = grid.getNodeAt(endX, endY),
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4 changes: 3 additions & 1 deletion src/finders/BiAStarFinder.js
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,9 @@ function BiAStarFinder(opt) {
*/
BiAStarFinder.prototype.findPath = function(startX, startY, endX, endY, grid) {
var cmp = function(nodeA, nodeB) {
return nodeA.f - nodeB.f;
var MAX_DIFF = 0.000001;
var diff = nodeA.f - nodeB.f;
return abs(diff) < MAX_DIFF ? nodeA.h - nodeB.h : diff;
},
startOpenList = new Heap(cmp),
endOpenList = new Heap(cmp),
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7 changes: 5 additions & 2 deletions src/finders/JumpPointFinderBase.js
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Original file line number Diff line number Diff line change
Expand Up @@ -25,10 +25,13 @@ function JumpPointFinderBase(opt) {
*/
JumpPointFinderBase.prototype.findPath = function(startX, startY, endX, endY, grid) {
var openList = this.openList = new Heap(function(nodeA, nodeB) {
return nodeA.f - nodeB.f;
var MAX_DIFF = 0.000001;
var diff = nodeA.f - nodeB.f;
return abs(diff) < MAX_DIFF ? nodeA.h - nodeB.h : diff;
}),
startNode = this.startNode = grid.getNodeAt(startX, startY),
endNode = this.endNode = grid.getNodeAt(endX, endY), node;
endNode = this.endNode = grid.getNodeAt(endX, endY), node,
abs = Math.abs;

this.grid = grid;

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