Generating filled N-Gon using a script

[BLOXBOT105 (JustAnotherScripter)]

How could I generate a filled n-gon with a set diameter or radius using a script? General format would be the following…

function n_gon(Sides : number, Radius : number)
  return
end

[LividDreaming (fish)]

Hi, Im not really sure what you mean by generate filled N-Gon. Should it be made up of parts or should it be a 2d texture/ui element

[HeYSeNHeLlO_TR (HeYSeNHeLlO)]

You can use EditableMesh to create custom meshes, and you can search online for an n-gon generation algorithm. And then set the EditableMesh’s verticies to match the verticies of the generated polygon.

EditableMesh tutorial by Catargo:

EditableMesh full tutorial Roblox Studio

EditableMesh / EditableImage DevForum post:

Introducing in-experience Mesh & Image APIs [Studio Beta]

TL;DR EditableMesh and EditableImage are now available in Studio-beta and give you direct Luau access to Mesh and Image data at runtime. Important Caveats: Publishing edited Meshes / Images from within your experience is not available in this beta but is coming soon. Real-time replication, moderation, and collaborative editing support for meshes / images is not available in this beta but is on the roadmap. During the Studio beta, you can load & edit any Mesh or Image asset using t…

[RoBoPoJu]

The editable mesh approach mentioned in the reply above is an easier and more efficient approach than using parts but it cannot be used in live games at the moment.
If you want to create the n-gon with parts, you can use this function. You’ll need to set the parent of the returned model.

local function createNGon(sides: number, radius: number, thickness: number, center: Vector3): Model
	local partParent = Instance.new("Model")

	local angleIncrement = 2 * math.pi / sides

	for isoscelesTriangleIndex = 0, sides - 1 do
		local rotationAngle = isoscelesTriangleIndex * angleIncrement
		local side1Angle, side2Angle = rotationAngle - angleIncrement / 2, rotationAngle + angleIncrement / 2
		local pos1, pos2 = center + .5 * radius * Vector3.new(math.cos(side1Angle), 0, math.sin(side1Angle)), center + .5 * radius * Vector3.new(math.cos(side2Angle), 0, math.sin(side2Angle))
		local cf1, cf2 = CFrame.fromMatrix(pos1, Vector3.yAxis, -Vector3.new(math.cos(rotationAngle), 0, math.sin(rotationAngle))), CFrame.fromMatrix(pos2, -Vector3.yAxis, -Vector3.new(math.cos(rotationAngle), 0, math.sin(rotationAngle)))
		local size = Vector3.new(thickness, math.cos(angleIncrement / 2) * radius, math.sin(angleIncrement / 2) * radius)

		local part1, part2 = Instance.new("Part"), Instance.new("Part")
		part1.Shape, part2.Shape = Enum.PartType.Wedge, Enum.PartType.Wedge
		part1.Anchored, part2.Anchored = true, true
		part1.CFrame, part2.CFrame = cf1, cf2
		part1.Size, part2.Size = size, size
		part1.Parent, part2.Parent = partParent, partParent
	end

	return partParent
end

[BLOXBOT105 (JustAnotherScripter)]

Thanks for this! If I run into any errors i’ll be sure to reach out.