Need Help with Ship Buoyancy

Help and Feedback Scripting Support
#1

I want to make a ship that will stay on the surface of skinned mesh ocean. I use this function to create waves:

function GerstnerWave(SamplePosition,Wavelength,Direction,Steepness,Gravity,SampleTick)
	local k = (2 * math.pi) / Wavelength
	local a = Steepness/k
	local d = Direction.Unit
	local c = math.sqrt(Gravity / k)
	local f = k * d:Dot(Vector2.new(SamplePosition.X,SamplePosition.Z)) - c * SampleTick
	local cosF = math.cos(f)

	local dX = (d.X * (a * cosF))
	local dY = a * math.sin(f)
	local dZ = ( d.Y * (a * cosF))
	return Vector3.new(dX,dY,dZ)
end

  1. What is the issue? I can’t get the Y vector of the wave.

  2. What solutions have you tried so far? I looked for solutions on Devforum

Here is my buoyancy script:

local Object = workspace:WaitForChild("base")--boat base
local rs = game:GetService("RunService")
local module = require(workspace.Wave2)--wave module

repeat wait() until workspace:WaitForChild("Water"):FindFirstChild("Plane")

Object.Anchored = false

local beforeSubmerge = workspace:WaitForChild("Water"):FindFirstChild("Plane").Position.Y + 1
local DisplacementAmount = 3

local DisplacementMultiplier = math.clamp(Object.Position.Y / beforeSubmerge,0,1) * DisplacementAmount

local waterDrag = 0.5
local waterAngularDrag = 0


game:GetService("RunService").Heartbeat:Connect(function(DeltaTime)
	for _,v in pairs(Object:GetChildren()) do
        --The part I'm having problems
		--I need to get the top position of the wave and store it in TopWater
		local Force = v.VectorForce
		if TopWater then
			if v.Position.Y < TopWater then
				Force.Force = Vector3.new(0,(game.Workspace.Gravity * DisplacementMultiplier) * (math.abs(TopWater - v.Position.Y) /Object:GetMass()),0)
			else
				Force.Force = Vector3.new(0,0,0)
			end
		end
	end
end)

Thanks in advance.