How to make npc that cant go inside of certain area when pathfinding

[Kamran3478 (Kamran)]

Hi, as i said in title, i want to make npc which is cant go certain area when pathfinding (like avoiding from the area which is blacklisted). How can i do this? is there a parameter for this?

[Filipermaster (Fili)]

i thinks there is sufficient information on this post about pathfinding modifiers

New Pathfinding Modifiers - Studio Beta

Hello AI developers, Currently, PathfindingService almost always returns just the shortest path between the source and the target points. However, the optimal path should often consider the character/agent abilities, terrain type and game rules. For example - you may want an NPC to travel over a bridge instead of swim through water, cross a street in the crosswalk, or avoid an area that would damage the character. Introducing PathfindingModifiers PathfindingModifiers are instances used to an…

[DasKairo (Cairo)]

There is something called a PathfindingModifier where you then tell the NPC if it can pass through an Area or not, and you set a Label for it (which in this example is ExampleLabel), and set its Cost to math.huge with the Paths AgentParams

Costs = {
    ExampleLabel = math.huge -- meaning the NPC will try to avoid this
}

which should look like this:

PathfindingService:CreatePath({

    -- look into other Params
    Costs = {
        ExampleLabel = math.huge
    }
})

If you want them to go through an Area, just set the Cost to a lower amount