I took the RobloxDev Forums Raycasting for the Laser gun and just added a cylinder mesh. Is there any way to have the cylinder in the part face the character's torso's lookVector, because I tried LookVector, and it didn't work. All that happens is that the cylinder goes to where the mouse is, but it's rotated weirdly. Eventually, I'll add a bodygyro to have the player face where the mouse is, so that may help.
local tool = script.Parent
local player = game:GetService("Players").LocalPlayer
local char = workspace:WaitForChild(player.Name)
tool.Equipped:connect(function(mouse)
print("Tool equipped!")
mouse.Button1Down:connect(function()
print("Mouse pressed!")
local ray = Ray.new(tool.Handle.CFrame.p, (mouse.Hit.p - tool.Handle.CFrame.p).unit * 300)
local part, position = workspace:FindPartOnRay(ray, player.Character, false, true)
local beam = Instance.new("Part", workspace)
beam.BrickColor = BrickColor.new("Bright red")
beam.FormFactor = "Custom"
beam.Material = "Neon"
beam.Transparency = 0.25
beam.Anchored = true
beam.Locked = true
beam.CanCollide = false
local mesh = Instance.new("SpecialMesh")
mesh.Parent = beam
mesh.MeshType = "Cylinder"
local distance = (tool.Handle.CFrame.p - position).magnitude
beam.Size = Vector3.new(25,5, distance)
beam.Orientation = char.Torso.Orientation
mesh.Scale = Vector3.new(25,5,distance)
beam.CFrame = CFrame.new(tool.Handle.CFrame.p, position) * CFrame.new(0, 0, -distance / 2)
if part then
local humanoid = part.Parent:FindFirstChild("Humanoid")
if not humanoid then
humanoid = part.Parent.Parent:FindFirstChild("Humanoid")
end
if humanoid then
humanoid:TakeDamage(30)
end
end
end)
end)

2 comments
https://scriptinghelpers.org/guides/the-first-person-element-of-a-first-person-shooter here is an guide. Scroll down and you will se that, but you have one problem in your script. you cant takedamage from localscript. Fix it with remote events
I know about TakeDamage, but I'm not necessarily trying to make a FPS.