local RunService = game:GetService("RunService")

-- 框架应移动的速度
local SPEED = 2

local frame = script.Parent
frame.AnchorPoint = Vector2.new(0.5, 0.5)

-- 圆的简单参数方程
-- 以(0.5, 0.5)为中心，半径为(0.5)
local function circle(t)
	return 0.5 + math.cos(t) * 0.5, 0.5 + math.sin(t) * 0.5
end

-- 跟踪当前时间
local currentTime = 0
local function onRenderStep(deltaTime)
	-- 更新当前时间
	currentTime = currentTime + deltaTime * SPEED
	-- ...以及框架的位置
	local x, y = circle(currentTime)
	frame.Position = UDim2.new(x, 0, y, 0)
end

-- 这只是一个视觉效果，所以使用"Last"优先级
RunService:BindToRenderStep("FrameCircle", Enum.RenderPriority.Last.Value, onRenderStep)
--RunService.RenderStepped:Connect(onRenderStep) -- 也可以工作，但不推荐

local RunService = game:GetService("RunService")

local function checkDelta(deltaTime)
	print("上一个渲染步骤以来的时间：", deltaTime)
end

RunService:BindToRenderStep("检查时间差", Enum.RenderPriority.First.Value, checkDelta)

local RunService = game:GetService("RunService")

-- 第一步：声明函数和名称
local NAME = "打印你好"
local function printHello()
	print("你好")
end

-- 第二步：绑定函数
RunService:BindToRenderStep(NAME, Enum.RenderPriority.First.Value, printHello)

-- 第三步：解绑函数
RunService:UnbindFromRenderStep(NAME)

local RunService = game:GetService("RunService")
local Workspace = game:GetService("Workspace")

local somePart:BasePart = Workspace:WaitForChild("Part")

RunService:BindToSimulation(function(deltaTime: number)
	-- 更新同步颜色
	local syncdColor = Color3.fromHSV(math.fmod(time(), 1.0), 1.0, 1.0)
	somePart:SetAttribute("SyncdColor", syncdColor)
end)

RunService.RenderStepped:Connect(function(deltaTime: number) 
	-- 设置零件的颜色
	local syncdColor = somePart:GetAttribute("SyncdColor")
	somePart.Color = syncdColor
end)