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  1. #1

    Need help with Navmesh.

    I got a building that i fenced off the roof. Put a bunch of ammo and 2 m60's. I then put a ladder at the back of the building. I then go to the other side of the map and put a lookout tower with a 44 step ladder. Just to test i put down the control zones. place the AI with move and defense then select the control zone for the AI. He will walk around for a bit but never goes up the ladder of the tower or building.

    When i look at the nav mesh i seen that the ladders had a black border around them and the nav mesh was not going to them.
    How can i fix this? Am i missing something obvious?
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  2. #2
    rioseven's Avatar Banned
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    Are the ladders touching the ground?
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  3. #3
    Yes they are. I placed them till the box around them turned green. I'll add some screen shots.
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  4. #4
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  5. #5
    Try to slightly raise/lower the terrain and see if it helps once the navmesh is calculated, with some trial and error you'll find the solution.
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  6. #6
    I'll try. But i know when i moved the ladder around the map it stayed the same as in the picture no matter where i put the ladder at.
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  7. #7
    Hi snakefist. The gap between the navmesh and the ladder is normal the ai should still use the ladder to get to the controll zone! A couple of qustions are there any validation errors with the ladders, is there any chance you could take a screenshot of the top of the ladder?
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  8. #8
    Originally Posted by SnakeFist420 Go to original post
    I got a building that i fenced off the roof. Put a bunch of ammo and 2 m60's. I then put a ladder at the back of the building. I then go to the other side of the map and put a lookout tower with a 44 step ladder. Just to test i put down the control zones. place the AI with move and defense then select the control zone for the AI. He will walk around for a bit but never goes up the ladder of the tower or building.

    When i look at the nav mesh i seen that the ladders had a black border around them and the nav mesh was not going to them.
    How can i fix this? Am i missing something obvious?
    i hi again snakefist. I have done some tests for you and i think i have found a fix, after reproducing your senario i found that if you place the ladder just a little bit too far from the edge of the surface you wish the ai to climb up too, the ai will ignore the ladder and just wonder around the bootom or stand in an odd place! To fix this move the ladder as close to the surface you want the ai to climb onto as possible without the ladder toutching that suface. That should fix your problem, it did fix it in the test i did, hope this helps
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  9. #9
    I have done a few more tests! Even though moving the ladder closer to the roof fixed the issue, it was unfortunately only temporary! The bug happend again, but what caused it was not the ladder after all but it happend because i moved the ai after assigning the ai to the control zone on the roof! Moving the ai caused the bug not sure why though? To fix it just delete the ai and the control zone and replace them with new ones and it should work, sorry for the long posts
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  10. #10
    Originally Posted by sly6276 Go to original post
    Hi snakefist. The gap between the navmesh and the ladder is normal the ai should still use the ladder to get to the controll zone! A couple of qustions are there any validation errors with the ladders, is there any chance you could take a screenshot of the top of the ladder?
    Sorry i couldn't write back right away had some real life stuff to take care of.

    Ok i grabbed them screenshots you wanted. I took the screen shots before making any adjustments. as to show where they was when i asked this question. I also took a screen shot of the validation errors and as you can see nothing about the ladders. But what does strike me odd is the boat i put in has to be above the water to get it to be valid. If i have the propellers in the water and just the bottom of the boat i get validation errors. But i can try and work around that i just want to get this ladder issue fixed.

    Here are the screen shots.

    https://drive.google.com/file/d/1AIA...ew?usp=sharing

    https://drive.google.com/file/d/1n5A...ew?usp=sharing

    https://drive.google.com/file/d/1PmY...ew?usp=sharing
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