How Do I Ignore an Axis When Raycasting?

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1

Hey, so I’m using raycast to give Zombies the ability to detect if the player is infront of them. I am shooting a racast from the Zombie’s Root to the Player’s Root to do this, and if the distance is close enough then it returns true (Plr is infront of Zombie) or false (Plr is not infront of Zombie). This works great but I need to lock the Y axis for this next thing I’m trying to do.

This is how it runs currently, the ray shoots out from the Zombie straight at the player.

RobloxScreenShot20210921_152256726
RobloxScreenShot20210921_1522567261032×623 454 KB

And when the player moves up a level, it changes directions.

RobloxScreenShot20210921_152344687
RobloxScreenShot20210921_1523446871032×623 442 KB

However I do not want that second bit, I need to lock the Y axis for the raycast somehow so it still points straight like this.

RobloxScreenShot20210921_152405204
RobloxScreenShot20210921_1524052041032×623 411 KB

I still need the ray to FOLLOW the player but I don’t want it to point up or down if the player had for example went up some stairs, or down them.

Any help on how I could accomplish this would be greatly appreciated.

2

You can make it so that instead of raycasting to the dumb’s position you can raycast to their position but the same y level as the zombie.

So something like this:

local target = (dummy.Position * Vector3.new(1, 0, 1)) + Vector3.new(0, zombie.Position.Y, 0)
-- now when you raycast to the target