How do you scale a part's velocity with damage?

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#1

I’m confused, I set the height length to 80 so anything below that isn’t counted as fall damage. This works, but the velocity for the player’s humanoidrootpart was -84, and I want to scale the damage with how low the fall is. How can I do this?

Would it be possible to create a damage output graph using Cframe?
#2

You could use HumanoidStateTypes here, when the HumanoidState is changed to Enum.HumanoidStateType.FallingDown you could store the current position.
When the Humanoid’s state is changed from FallingDown to any other state later on, you could get the position again, now u would calculate the Magnitude of the 2 vectors, i.e, (StartPosition - EndPosition).Magnitude that would give you the distance in studs that player fell. You can then damage based on that.

#3

Another way this could be done:

local Start_Acc = 80 -- Minimum player velocity for them to take damage
local Damage_Per = 1 -- Amount of damage done per value for velocity

local Humanoid = game:GetService("Players").LocalPlayer.Character.Humanoid
local InAir = false

Humanoid:GetPropertyChangedSignal("FloorMaterial"):connect(function()
	if Humanoid.FloorMaterial == Enum.Material.Air and not InAir then
		InAir = true
	elseif InAir then
		InAir = false
		if -Humanoid.RootPart.Velocity.Y > Start_Acc then
			Humanoid:TakeDamage((-Humanoid.RootPart.Velocity.Y - Start_Acc) * Damage_Per)
		end
	end
end)