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AI Behavior Tree Help ( Behavior Tree Quick Start Guide )

So i am trying to create an AI character which when the player is seen,it will follow the player.
i used the Behaviour Tree Quick Start Guide tutorial as a beginning building block.

i have completed the tutorial but with some unexpected results:

the AI will only run after the player if its line of sight is broken
and it will only do this once and the AI seems to be inactive after.

Ai -CloseEnough bluePrint screen shot
https://dl.dropboxusercontent.com/u/52006652/Screenshot%202015-02-08%2013.11.11.png

AI-AgroCheck
https://dl.dropboxusercontent.com/u/52006652/Screenshot%202015-02-08%2012.56.53.png

AI-BehaviorTree
https://dl.dropboxusercontent.com/u/52006652/Screenshot%202015-02-08%2012.53.06.png

AI-RapidMoveTo
https://dl.dropboxusercontent.com/u/52006652/Screenshot%202015-02-08%2013.17.50.png

i have added the project to my drop box

any help or advice on improvements would be GREAT!
Thanks in Advance

Kay

Can you put up on the forum some pics from your Blackboard and graphs please?

Narg

Added pictures

Just looking at the first picture: both “Finish Condition Check” nodes are reporting “Do Not Allow”; surely that isn’t correct?