How do I fix my knife not always throwing?

Help and Feedback Scripting Support
1

So my knife always doesn’t through because RayResult is nil

My Code:

			local Parameters = RaycastParams.new()

			Parameters.FilterType = Enum.RaycastFilterType.Blacklist
			Parameters.FilterDescendantsInstances = {Character, workspace.CurrentCamera, script.Parent.Handle}

			local Head = Character:WaitForChild("Head")

			local RayPosition = Mouse.Hit.p -- I think this is the issue
			local RayDirection = (Head.Position - workspace.CurrentCamera.CFrame.Position).Unit * 1000

			local RayResult = workspace:Raycast(RayPosition, RayDirection, Parameters)

I’ve tried look vecotr and current camera but it doesn’t work/now how i want it to.

2

You should first set the Origin of the Ray, not where the Mouse’s Position Hit:

Try this:

			local Parameters = RaycastParams.new()

			Parameters.FilterType = Enum.RaycastFilterType.Blacklist
			Parameters.FilterDescendantsInstances = {Character, workspace.CurrentCamera, script.Parent.Handle}

			local Head = Character:WaitForChild("Head")

			local RayPosition = script.Parent.Handle.Position 
			local RayDirection = (Head.Position - Mouse.Hit.Position).Unit * 1000

			local RayResult = workspace:Raycast(RayPosition, RayDirection, Parameters)
3

It works but it has a offset with the knife to the players head.

I tried using the head but that also didn’t work (at all).

4

Maybe just change the RayDirection’s Head Position to the script.Parent.Handle.Position instead?

5

That is still gltichy, like it goes off by 5 studs sometimes

6 
			local Parameters = RaycastParams.new()

			Parameters.FilterType = Enum.RaycastFilterType.Blacklist
			Parameters.FilterDescendantsInstances = {Character, workspace.CurrentCamera, script.Parent.Handle}

			local Head = Character:WaitForChild("Head")

			local RayOrigin = script.Parent.Handle.Position 
			local RayDirection = (script.Parent.Handle.Position - Mouse.Hit.Position).Unit * 1000

			local RayResult = workspace:Raycast((RayOrigin + Vector3.new(0, -5, 0), RayDirection, Parameters)

Hm, maybe the Mouse’s Position isn’t exact or something? Try setting some offset I guess?

7

But the offest only happen sometimes.

8

Maybe try doing Magnitude instead of Unit? I’m just guessing at this point a