The origin of the ray is changing position

[guardusia]

1. What do you want to achieve?
   I want to origin not to change position
   2.What is the issue?
   When I look up origin position breaks.
2. What solutions have you tried so far?
   I tried looking on internet for the solution

Video:

Code:

local function Shoot()
	local Origin = workspace.CurrentCamera:FindFirstChild("Viewmodel" .. GunName):FindFirstChild(GunName).Barrelt.Position
	local Direction = workspace.CurrentCamera:FindFirstChild("Viewmodel" .. GunName):FindFirstChild(GunName).Barrelt.CFrame.LookVector
	local DirectionCF = CFrame.new(Vector3.new(), Direction)
	local SpreadDir = CFrame.fromOrientation(0,0,math.random(0, math.pi * 2))
	local SpreadAngle = CFrame.fromOrientation(math.rad(math.random(GunModule.MIN_SPREAD, GunModule.MAX_SPREAD)),0,0)
	local FinalDirection = (DirectionCF * SpreadDir * SpreadAngle).LookVector
	local caster = FastCastModule.new()
	caster.Fire(caster,Origin, FinalDirection, 250, behavior)
	
	caster.RayHit:Connect(function(cast, hit, part, material, distance)
		if hit then
			--print(hit.Instance)
			script.Parent.Fire:FireServer(hit.Instance, GunModule.Damage)
		end
	end)
end

[thatguybarny1324 (Thatguy)]

Here is all you should likely need to do for spread to work correctly:

@neckbeard_tim

Calculating Weapon Spread from Effective Range

By default, FE Weapon Kit uses a single value - expressed in degrees - to control weapon spread. This solution isn’t very tunable, and has some room for improvement.

Valve Software’s Counter-Strike: Global Offensive and Counter-Strike 2 determine weapon spread based on a different factor - accurate range. In these editions of Counter-Strike, a weapon’s accurate range determines the distance in which a bullet is guaranteed to hit a 30cm dinner plate (roughly the size of a human head). But how do we implement this ourselves? Some very simple math.

function weaponSpreadAngleFromRange(accurateRange:number, spreadRadius:number):number
  return math.atan(spreadRadius/accurateRange)
end

In this function, we have two input variables and one output variable. The two inputs represent two sides of a right triangle - accurateRange is the adjacent, spreadRadius is the opposite. From here, we apply SOHCAHTOA. We know both the opposite and tangent, so we can find the angle with the inverse tangent of their quotient.

In Roblox, standard character heads have a size of 1.2, 1.2, 1.2, so we can use weaponSpreadAngleFromRange(accurateRange:number, .6) to get a weapon’s spread angle from it’s guaranteed headshot range. Similarly, we might use weaponSpreadAngleFromRange(accurateRange:number, 1) for determining weapon spread based on the weapon’s ability to hit the torso (good for shotguns and SMGs!), or weaponSpreadAngleFromRange(accurateRange:number, 5) for weapons meant for larger targets (tanks, helicopters, dragons).

I hope this helped you. It helped me.

[Downrest (Down)]

If you temporarily disabled Spread, is the trajectory still off? Try putting your Barrelt a bit higher up on the gun.

[guardusia]

Okay I will try do everything you both said.
Sorry for not responding

[guardusia]

I am sorry but none of yours methods didn’t work

[guardusia]

I am very sorry, I wrote “Trajectory” but my current problem is the origin that changes the position.