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How to find distance from closest part infront of torso using rays?

Asked by
User#8349 0
7 years ago

I'm trying to make a ray coming from the player's torso (humanoidrootpart for r15 support), going forward in the direction it's facing to find how far the part that's closest in-front of it is.

I made this script but for some reason it doesn't properly do what I want. (local)

game:GetService("RunService").RenderStepped:connect(function()
    local ray = Ray.new(plr.Character.HumanoidRootPart.Position, plr.Character.HumanoidRootPart.CFrame.lookVector)
    local part, position = workspace:FindPartOnRay(ray, plr.Character, false, true)

    local distance = (plr.Character.HumanoidRootPart.Position - position).magnitude
    print(distance)
end

Anyone have any idea what the problem is?

1 answer

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Answered by
cabbler 1942 Moderation Voter
7 years ago

When you give the ray a direction you must also give it a length (for hit detection). When you think about it, right now you simply create a vector with a length of 1 stud, which obviously won't hit anything!

Try this:

local ray = Ray.new(plr.Character.HumanoidRootPart.Position, plr.Character.HumanoidRootPart.CFrame.lookVector*500)
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Thank you! User#8349 0 — 7y
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