How to Force Terminate in FastCastRedux?

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#1

Hey! I’m having an error when I terminate the cast even using cast.Terminate(cast).

I want to terminate the cast because I want to create an explosion when the bullet gets close to the Enemy target.

Here is the code:

-- On Ray Length Changed teleport bullet with Ray
local function OnLengthChanged(cast, lastPoint, direction, length, velocity, bullet)

	if bullet then
		local bulletLength = bullet.Size.Z/2
		local offset = CFrame.new(0, 0, -(length - bulletLength))
		bullet.CFrame = CFrame.lookAt(lastPoint, lastPoint + direction):ToWorldSpace(offset)
		
		local GotTarget = AcquireTarget(bullet)
		if GotTarget then -- Terminate Bullet
			print("Got It Close")
			cast.Terminate(cast)
		end
	end
end
Caster.LengthChanged:Connect(OnLengthChanged)

And this is the error I get:
ReplicatedStorage.Modules.FastCastRedux.ActiveCast:217: attempt to index nil with ‘DistanceCovered’

#2

What is redux? Anyways go look at line 217 in the module. We can’t help if we can’t see what happening.

#3

the bullet terminates perfectly it just throws an error!

#4

It’s not perfect if theres an error in the module. I mean if you want just wrap it in a pcall if it doesn’t matter if error.

#5

did I terminate the bullet correctly? Is it cast.Terminate(cast)?

	local rayDisplacement = (point - lastPoint).Magnitude
	-- For clarity -- totalDisplacement is how far the ray would have traveled if it hit nothing,
	-- and rayDisplacement is how far the ray really traveled (which will be identical to totalDisplacement if it did indeed hit nothing)
	
	SendLengthChanged(cast, lastPoint, rayDir.Unit, rayDisplacement, segmentVelocity, cast.RayInfo.CosmeticBulletObject)
	cast.StateInfo.DistanceCovered += rayDisplacement
	
	local rayVisualization: ConeHandleAdornment? = nil
	if (delta > 0) then
		rayVisualization = DbgVisualizeSegment(CFrame.new(lastPoint, lastPoint + rayDir), rayDisplacement)
	end

Here is the module code where it errored

#6

Well I’m assuming this code runs after the thing has been destroyed?
Maybe its connected to a stepped function or smth idk. But it should be firing after it has been terminated(assuming terminated is a destroy() function).

If it is firing after it has been terminated then just check if the bullet is terminated before you run that.

#7

oh its probably because its terminating the bullet more than once! Makes sense! How would i check if the bullet is being terminated more than two times?

if cast.Terminated == false then -- I got no clue how to check?
cast.Terminated(cast)
end
#8

I don’t know how as I didn’t write the module.
Go figure out how it work.

#9

here ima just use a one time debounce! that should solve the issue!

#10

I did what you said and made a debounce to see if it could just run just one time, but that doesnt make a difference. I still get the error. I don’t think the debounce did anything because without it, it still prints(“Got It Close”) one time.

local DebTerminate

-- On Ray Length Changed teleport bullet with Ray
local function OnLengthChanged(cast, lastPoint, direction, length, velocity, bullet)

	if bullet then
		local bulletLength = bullet.Size.Z/2
		local offset = CFrame.new(0, 0, -(length - bulletLength))
		bullet.CFrame = CFrame.lookAt(lastPoint, lastPoint + direction):ToWorldSpace(offset)
		
		local GotTarget = AcquireTarget(bullet)
		if GotTarget and not DebTerminate then -- Terminate Bullet
			DebTerminate = true
			print("Got It Close")
			cast.Terminate(cast)
		end
	end
end
Caster.LengthChanged:Connect(OnLengthChanged)
#11

I just wrapped the error lines with pcalls.

There was 2 areas where I had to use pcalls to not get the DistanceCovered == nil error.

Although this is not a superb solution. It works as the termination still applies and no errors in output.

#12

I’m not entirely sure then. I think you need someone who has more time to think about this or to contact the module creator.

#13

yeah this trully sucks but I took your advice on just using pcalls! So that works! Thanks!

#14

mark where I said use pcalls as solution for reference of future viewers.

#15

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