animation

local runService = game:GetService("RunService")
local tweenService = game:GetService("TweenService")

return function(character: Model,keyframeSequence: KeyframeSequence)
	local transform: {{weld: Weld,default: CFrame}} = {}
	local transformAmount = 0
	local finished = 0
	
	for _,joint in ipairs(character:GetDescendants()) do
		if joint:IsA("Motor6D") then
			local newweld = Instance.new("Weld")
			newweld.Name = joint.Name .. "Weld"
			newweld.Parent = joint.Parent
			newweld.Part0 = joint.Part0
			newweld.Part1 = joint.Part1
			newweld.C0 = joint.C0
			newweld.C1 = joint.C1
			
			table.insert(transform,{
				weld = newweld,
				default = newweld.C0
			})
		end
	end
	
	for _ in transform do
		transformAmount += 1
	end
	
	local keyframes: {Keyframe} = keyframeSequence:GetKeyframes()
	
	table.sort(keyframes,function(a,b)
		return a.Time < b.Time
	end)
	
	local currentIndex = 1
	local nextIndex = 2
	
	task.spawn(function()
		while task.wait() do
			currentIndex += 1
			nextIndex += 1
			
			local tweens: {Tween} = {}
			
			local dTime = 0.5
			
			for _,motor in ipairs(transform) do
				local currentKeyframe = keyframes[currentIndex]
				local nextKeyframe = keyframes[nextIndex]

				if not nextKeyframe then continue end

				local currentPose: Pose = currentKeyframe:FindFirstChild(motor.weld.Part1.Name,true)
				if not currentPose then continue end

				local nextPose: Pose = currentKeyframe:FindFirstChild(motor.weld.Part1.Name,true)
				if not nextPose then continue end
				
				local tweenInfo = TweenInfo.new(
					dTime,
					Enum.EasingStyle[currentPose.EasingStyle.Name],
					Enum.EasingDirection[currentPose.EasingDirection.Name]
				)

				table.insert(
					tweens,
					tweenService:Create(
						motor.weld,
						tweenInfo,
						{
							C0 = motor.default * nextPose.CFrame
						}
					)
				)
			end
			
			for _,tween in ipairs(tweens) do
				tween:Play()
			end
			
			task.wait(dTime)
			
			for _,tween in ipairs(tweens) do
				tween:Destroy()
			end
			
			if currentIndex >= #keyframes then
				currentIndex = 1
			end
			
			if nextIndex >= #keyframes then
				nextIndex = 2
			end
		end
	end)
end