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Fix neighbor-nodes creating endless loop

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glax 2024-07-23 02:34:40 +02:00
parent f21845ced4
commit 4261bc2f48
1 changed files with 4 additions and 4 deletions
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8
astar/Astar.cs
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@ -47,8 +47,8 @@ namespace astar
if (neighborNode.PreviousIsFromStart is false)//Check if we found the opposite End
return PathFound(graph, currentNodeStart, neighborNode, logger);
float distance = (float)currentNodeStart.Distance! + (float)currentNodeStart.DistanceTo(neighborNode);
if (neighborNode.PreviousNodeId is null || neighborNode.Distance > distance)
float distance = (currentNodeStart.Distance??float.MaxValue) + (float)currentNodeStart.DistanceTo(neighborNode);
if (neighborNode.PreviousNodeId is null || neighborNode.Distance > distance && currentNodeStart.PreviousNodeId != neighborId)
{
neighborNode.PreviousNodeId = currentNodeStartId;
neighborNode.Distance = distance;
@ -69,8 +69,8 @@ namespace astar
if (neighborNode.PreviousIsFromStart is true)//Check if we found the opposite End
return PathFound(graph, neighborNode, currentNodeEnd, logger);
float distance = (float)currentNodeStart.Distance! + (float)currentNodeStart.DistanceTo(neighborNode);
if (neighborNode.PreviousNodeId is null || neighborNode.Distance > distance)
float distance = (currentNodeStart.Distance??float.MaxValue) + (float)currentNodeStart.DistanceTo(neighborNode);
if (neighborNode.PreviousIsFromStart is null || neighborNode.Distance > distance && currentNodeEnd.PreviousNodeId != neighborId)
{
neighborNode.PreviousNodeId = currentNodeEndId;
neighborNode.Distance = distance;