Sizing parts based on raycasts

Help and Feedback Scripting Support
#1

so there are two parts, part A and part B. part A is like a laser gun, part B is the laser.
is there a way to raycast out of part A and then have part B the size of the raycast?
I would like to have part B as long as possible without going through any walls.

I don’t want to ask for a whole script it makes me feal like a bit of a jerk, but raycasting is above my level and I don’t know what else to do.
I tried learning but to no avail and I tried looking on google and Developer hub but found nothing.
once again, I’m sorry and thank you.

#2

Do you have the position of where the raycast hit?

#3

Have you seen this post? I found it by searching “Roblox part raycast”.

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#4

basically, I want a part as long as the raycast
because I feel that I didn’t explain it to well

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#5 
local Part = Instance.new("Part")
Part.CFrame = CFrame.lookAt(Origin, RaycastResult.Position)
Part.Position = Origin:lerp(RaycastResult.Position, 0.5)
Part.Size = Vector3.new(1, 1, (RaycastResult.Position - Origin).Magnitude)
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