How to I place a model on top of a part?

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#1

So I made a similar post earlier today but since my code has more conditions that I didn’t mention in this post, I couldn’t really figure out how to solve this (sorry for the unnecessary post earlier today).

I’m currently working on a tent placement system. I wanted the tent to spawn in front of the HumanoidRootPart of the player who’s spawning the tent.

game.ReplicatedStorage.Remotes.PlaceTentEvent.OnServerEvent:Connect(function(player)
	local clone = game.ServerStorage.CampingStorage.StarterTent:Clone()
	clone.Parent = game.Workspace
	clone.Name = player.Name.."sTent"
	clone.PrimaryPart.CFrame = player.Character.HumanoidRootPart.CFrame + player.Character.HumanoidRootPart.CFrame.lookVector*15
	clone.Owner.Value = player
end)

This is my code and it works fine. However, I want it to spawn on top of a part (on the floor) and not in the air. To make it easier, I named every part that’s supposed to be floor “Baseplate”. I have multiple floor layers so they all have different y axes. How do I do that? Thank you for reading!

#2

What you could try and do is send a ray to the spot that was clicked on, and return the surface normal (which is a vector that points towards the direction on the part like top, bottom, right, left, front, back) and then from that data you can do CFrame.new(clone.Position, clone.Position + normal) and that will make the tent align with the ground part that was clicked on. Then you can simply rotate its CFrame and orient it in whatever direction you want.

surface normal pointing towards the top of a part is Vector3.new(0, 1, 0)