How to perfectly Position, Rotate models in a viewport?

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#1

So for the past day i have been playing with viewports, but i soon found out its pretty hard having viewports scaled, positioned right! :Example

local ViewPortRotation = {
	RunService = game:GetService("RunService");
	Angles = CFrame.Angles;
	Rad = math.rad
}
ViewPortRotation.Enable = function(ViewPort, RotationSpeed)
	if ViewPort then
		print(ViewPort)
		local ViewPortPart = ViewPort:FindFirstChildWhichIsA("Part")
		if ViewPortPart then
			if ViewPortPart.Name == "LockPart" then
				local ViewPortCamera = Instance.new("Camera")
				ViewPortCamera.Name = "ViewPortCamera".. ViewPortPart.Name
				ViewPort.CurrentCamera = ViewPortCamera
				ViewPortCamera.Parent = ViewPort

				local StartPosition = ViewPortPart.CFrame
				local Rotation = ViewPortRotation.Angles(0, ViewPortRotation.Rad(RotationSpeed), 0)
				local RotationCourse = StartPosition * Rotation
				RotationCourse = (RotationCourse.lookVector * 10)

				local SpinTime = 0

				ViewPortRotation.RunService.RenderStepped:Connect(function(d)
					SpinTime = SpinTime + d
					ViewPortCamera.CFrame = CFrame.new(ViewPortPart.CFrame.p) * CFrame.fromOrientation(0, math.rad(SpinTime * RotationSpeed), 0) * CFrame.new(0, 0, 5)CFrame.new(RotationCourse)
				end)
			end
		end
	end
end

return ViewPortRotation

How could i improve this code to have it work as intended?
image

2 Likes
#2

I know EgoMoose has done this through his custom module, ViewportFrame Model Fitter, which works for models.
Nvm, I must have misread your title, :grimacing: