Jetpack reactivates itself on jump

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1

I want to have a jetpack that flies. This has already been done. It works by the player holding the jump button to activate the server-sided script. However, when you are falling down your moment carries, making the jetpack only slow you down. To fix this, I made the character jump every time the jetpack activates, therefore negating the falling.

My kinda working script & video to jetpack, but it spams itself

robloxapp-20200624-1614245.wmv (692.9 KB)

function onJump()
	if canJetpack then
		local j = hum.Jump
		isFlying = j
		Fire("Space", j)
		if j then
			hum:ChangeState(Enum.HumanoidStateType.Jumping)
		end
	end
end
hum:GetPropertyChangedSignal("Jump"):Connect(onJump)

Now, the problem is that because the character jumps, the jetpack function calls itself, making the character jump again, and on and on, basically spamming the server.

I made a script which tries to debounce it. It works, (as shown in the start of the video), but if a player spams the jump button the jetpack is activated multiple times, throwing them up even after it’s done.

My (failed) Script and video when I tried to debounce the jump (so it doesn't auto spam)

robloxapp-20200624-1600274.wmv (1.1 MB)

function onJump()
	if canJetpack and not isDelay then
		local j = hum.Jump
		if j then
			if not isDelay then
				print("started")
				isFlying = true
				Fire("Space", true)
				isDelay = true
				hum:ChangeState(Enum.HumanoidStateType.Jumping)
				wait(0.1)
				isDelay = false
			end
		else
			print("finished")
			isFlying = false
			Fire("Space", false)
		end
	end
end
hum:GetPropertyChangedSignal("Jump"):Connect(onJump)

My reaction to this: OMG I exploited myself!

I either need an alternative to stop the character’s fall, or a working way to “debounce”