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Question by Albert-han · Dec 03, 2016 at 12:05 PM · c#pathfindingproceduralvectorunexpected

[SOLVED]Unexpected results

 void GeneratePath(List<Vector2> currentPath,List<Vector2> notOccupiedList)
     {
         Vector2 currentBlock = currentPath[currentPath.Count - 1];
         
         Vector2 top = new Vector2(currentBlock.x, currentBlock.y + 1);
         Vector2 bottom = new Vector2(currentBlock.x, currentBlock.y - 1);
         //Vector2 left = new Vector2(currentBlock.x - 1, currentBlock.y);
         //Vector2 right = new Vector2(currentBlock.x + 1, currentBlock.y);
         List<Vector2> checkList = new List<Vector2>() {  top , bottom };
 
         if (currentBlock.x == 0 || currentBlock.y == 0 || currentBlock.x == 4 || currentBlock.y == 4)
         {
             testlist.Add(new TestClas() { testlis = currentPath });
         }
         else
         {
             foreach (Vector2 checkPos in checkList)
             {
                 if (notOccupiedList.Contains(checkPos) && currentPath.Contains(checkPos) == false)
                 {
                     List<Vector2> newPath = currentPath;
                     newPath.Add(checkPos);
                     GeneratePath(newPath, notOccupiedList);
                 }

Hey guys as you can see I have a code that checks top and bottom of a vector2 and if it is available then move to top / bottom , however it is returning unexpected results.

alt text

Note : second element in picture is exactly the same as the first one

as you can see it goes to the bottom then the top when it is supposed to go in only 1 direction and it also doesn't stop when it reached 0 / 4 like I wrote in the code , I was expecting to have 2 elements in the list like this

top - element 0 = 2,2 , element 1 = 2,3 , element 2 = 2,4 bottom - element 0 = 2,2 , element 1 = 2,1 , element 2 = 2,0

however though if I only used one direction "either top or bottom" and comment out the others, it returns perfect result

http://pasteboard.co/5kRJNTKWd.png

sorry I used another website but no more attachments were allowed

Edit: if anybody is looking for the solution look at my thread "same code returning different results"

capturetopbottom.png (10.7 kB)
capturetopbottom.png (10.7 kB)
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