Triangle Creator in ROBLOX

-- Script made by Oysi

function _G.newTriangle(a, b, c, w1, w2)
    if (b - a):Dot(c - a) <= 0 then
        a, b, c = b, c, a
    elseif (c - b):Dot(a - b) <= 0 then
        a, b, c = c, a, b
    end

    local adj = (b - a).unit:Dot(c - a)
    local d = a + (b - a).unit*adj

    local ba = (d - a).unit
    local up = (c - d).unit
    local ri = up:Cross(ba)

    local p1 = (a + c)/2
    local p2 = (b + c)/2

    w1 = w1 or Instance.new("WedgePart")
    w2 = w2 or Instance.new("WedgePart")

    w1.FormFactor = "Custom"
    w2.FormFactor = "Custom"

    w1.Size = Vector3.new(0.2, (c - d).magnitude, (a - d).magnitude)
    w2.Size = Vector3.new(0.2, (c - d).magnitude, (b - d).magnitude)

    w1.CFrame = CFrame.new(p1.x,p1.y,p1.z,  ri.x,up.x, ba.x,  ri.y,up.y, ba.y,  ri.z,up.z, ba.z)
    w2.CFrame = CFrame.new(p2.x,p2.y,p2.z, -ri.x,up.x,-ba.x, -ri.y,up.y,-ba.y, -ri.z,up.z,-ba.z)

    return w1, w2
end

--[[
    _G.newTriangle(
        workspace.a.Position,
        workspace.b.Position,
        workspace.c.Position,
        workspace.w1,
        workspace.w2
    )
--]]