Are you able to send over the code? Would be useful for something I’m making
the one from the second video
local function MenuAnimation(Delta)
-- // Variables
local Viewport = Camera.ViewportSize
local Ratio = Viewport.X/Viewport.Y
local PixelPerStud -- This is set lower down
local MouseLocation = not UserInputService.MouseEnabled and Vector2.zero or Vector2.new((Mouse.X/ScreenGui.AbsoluteSize.X)*2-1,((Mouse.Y+36)/ScreenGui.AbsoluteSize.Y)*2-1)
-- // Raycasting
local TopLeft = Camera:ViewportPointToRay(PADDING,PADDING,DEPTH)
local TopLeftPos = (TopLeft.Origin+TopLeft.Direction)
local BottomRight = Camera:ViewportPointToRay(Viewport.X-PADDING,Viewport.Y-PADDING,DEPTH)
local BottomRightPos = (BottomRight.Origin+BottomRight.Direction)
-- // Math
local Diagonal = (TopLeftPos-BottomRightPos).Magnitude
local Y = math.sqrt((Diagonal^2)/(Ratio^2+1))
local X = math.sqrt(Diagonal^2 - Y^2)
local Size = Vector2.new(X,Y)
PixelPerStud = Viewport.X/Size.X
-- // Background
local XSize = Y*BackgroundSettings.Ratio
local Wobble = Vector2.new(math.clamp(Mapping(MouseLocation.X,-1,1,-1,1/((XSize/2+(PADDING*2)/PixelPerStud)/Size.X)),-1,1),MouseLocation.Y)*MAX_WOBBLE
Background.CFrame = (CFrame.new((TopLeftPos+BottomRightPos)/2+Vector3.new(Size.X*(NoticeTween.Value),0,0)) * Camera.CFrame.Rotation)*CFrame.new(-Size.X/2 + XSize/2,0,-PART_DEPTH/2) * CFrame.Angles(-Wobble.Y*(1-math.abs(Wobble.X/MAX_WOBBLE)),Wobble.X + MAX_WOBBLE/4,0)
Background.Size = Vector3.new(XSize,Size.Y,PART_DEPTH)
local ButtonSize = ((Size.Y*(1-BackgroundSettings.Header))-((BUTTON_PADDING/PixelPerStud)*(#BackgroundButtons+1)))/#BackgroundButtons
for i = #BackgroundButtons, 1, -1 do
local v = BackgroundButtons[i]
local mi = #BackgroundButtons - i -- Modified index, for messing with the position
v.Size = Vector3.new(XSize-(BUTTON_PADDING*2)/PixelPerStud,ButtonSize,PART_DEPTH/2)
v.CFrame = Background.CFrame * CFrame.new(0,-Background.Size.Y/2+v.Size.Y/2+BUTTON_PADDING/PixelPerStud +(ButtonSize+BUTTON_PADDING/PixelPerStud)*mi,PART_DEPTH/4+(PART_DEPTH/2)*((1-v.Tween.Value)*0.3)+0.1)
end
-- // Panel
if NoticeFunction then NoticeFunction(Ratio,PixelPerStud,MouseLocation,TopLeftPos,BottomRightPos,Size,BackgroundSettings,PADDING,BUTTON_PADDING) end
for i, v in ipairs(Panels) do
v["Function"](Ratio,PixelPerStud,MouseLocation,TopLeftPos,BottomRightPos,Size,BackgroundSettings,PADDING,BUTTON_PADDING)
end
end
RunService:BindToRenderStep("MenuAnimation",Enum.RenderPriority.Camera.Value+1,MenuAnimation)
This is the main math behind the 3D menu. This section itself is already a tad messy, the rest of the script is worse lol. Anyway, this is the important part
Also, change Mouse.Y+36 to Mouse.Y + GuiService.GuiInset.Height (or whatever it is)
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the section to calculate the world position of the corners is so smart! good job and thanks for sharing 
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