How do i make it that my Bezier curve's finish position will constantly update?

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#1

So i made my first Quad Bezier Curve right, and i realised that if the enemy will move while my part is flying to it, then it won’t get to him because the “finish” position i set at the start isn’t updating, so the part is flying to where he was when i used module.

The module:

function quadbeziercurve(a,b,t)
	return a+(b-a) * t
end
local module = {
	["Createquadbezier"] = function(enemychar,whattodo,mean, sound, needtorotate,start,finish,t,target,p1)
		for i = 0,10,t do
			local t = i/10
			local l1 = quadbeziercurve(start,p1,t)
			local l2 = quadbeziercurve(p1,finish,t)
			local quad = quadbeziercurve(l1,l2,t)
			target.CFrame = CFrame.new(quad)
			wait()
		end
	end

How it looks: https://i.gyazo.com/f6ab634c718864493f24dda62aa30fdc.mp4

How it looks if someone moves: https://i.gyazo.com/6848b3fa255aae116d3f94a2ce399854.mp4

#2

Also Lerp the end position from the current one to the new one with the same timing

#3

you should do the loop out of the function and just call for each point that way you are updating the end position each time its called. something like below and just send updated end pos each time

for i = 1 , Points do
    local EndPosition = HumanoidRootPart.Position  -- update..
    local NewPosition = quadBezier(i/Points, StartPos, MidPosition, EndPosition)
end
#4

I kinda understand you

for i = 1,10,0.5 do
						wait(0.1)
				game.ReplicatedStorage.CreateRemote:FireAllClients(enemychar,"Createquadbezier",nil,nil,nil,spike1.Position,enemychar:FindFirstChild("HumanoidRootPart").Position,1,spike1,to)
					end```
I just have to play with numbers now
#5

yeah with the above example you are just requesting each point as it is needed and updating the end position which is probably the one that has changed Mid can also but you can get a mid position between your start and end each time

#6 
	if enemychar ~= nil then
		delay(0,function()
			game:GetService("RunService").Heartbeat:Connect(function()
				finish = enemychar:FindFirstChild("HumanoidRootPart").Position
			end)
			end)
			end

So i just updated finish position like crazy and it worked .-.

#7

It worked but not that good, but thanks anyways

#8

np also I would tween the returned position and it should make it smoother depending on what your using
you may also think about using it in combination with a AlignPosition or something