Help with Inverse Kinematics

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use my CCDIK module. Makes IK easier and customizable to prevent the neck from snapping.

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All the code that is needed:

Summary 
--[[
    Testing with R15 Dummy
]]
local RunService = game:GetService("RunService")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local CCDIKController = require(ReplicatedStorage.Source.CCDIKController)

local dummy = workspace.DummyWaist
local leftTarget = workspace.SomeTarget

local dummyMotor6Ds = {}

local dummyDescendants = dummy:GetDescendants()
for _,descendant in pairs (dummyDescendants) do
    if descendant:IsA("Motor6D") then
        dummyMotor6Ds[descendant.Name] = descendant
    end
end

local root = dummyMotor6Ds["Root"]
local neck = dummyMotor6Ds["Neck"]
local waist = dummyMotor6Ds["Waist"]

local leftLeg = {waist,neck}

local leftLegController = CCDIKController.new(leftLeg)
leftLegController.UseLastMotor = true --only if one motor6D in the table

RunService.Heartbeat:Connect(function()
    local goal = leftTarget.Position
    leftLegController:CCDIKIterateOnce(goal)
end)

Test place with the waist for easy access:

TestPlace.rbxlx (946.6 KB)

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