jecs/demo/src/StarterPlayer/StarterPlayerScripts/systems/move.luau

local ReplicatedStorage = game:GetService("ReplicatedStorage")
local blink = require(ReplicatedStorage.net)
local std = require(ReplicatedStorage.std)
local world = std.world
local ref = std.ref

local cts = std.components

local Model = cts.Model
local Transform = cts.Transform

local function move(dt: number)
    for _, transform, model in world:query(Transform, Model):iter() do
        local cf = transform.new
        if cf ~= transform.old then
            local origo = model.PrimaryPart.CFrame
            model.PrimaryPart.CFrame = origo:Lerp(cf, 1)
            transform.old = cf
        end
    end
end

local function syncTransforms()
    for _, id, cf in blink.UpdateTransform.Iter() do
        local e = ref("server-"..id)
        local transform = e:get(cts.Transform)
        if not transform then
            continue
        end
        transform.new = cf
    end
end

return function(scheduler: std.Scheduler)
    local phases = scheduler.phases
    local system_new = scheduler.systems.new
    system_new(move, phases.Heartbeat)
    system_new(syncTransforms, phases.RenderStepped)
end