cool math shapes lol v1

function donut(s)
    local r = s/2
    local l = 100 + s*10
    local center = CFrame.new(0,s*2,-50)
    for i = 1,l do
        local x2 = r*math.cos(i*l/r)
        local y2 = r*math.sin(i*l/r)
        local scale = s/((s-s/4)-math.cos(2*i))
        local z2 = math.sin(x2-y2)+math.cos(x2+y2)+math.cos(x2/y2)
        local xy = CFrame.new(x2,y2,0)
        local part = Instance.new("Part")
        part.Color = Color3.fromHSV(math.abs(x2),255,255)
        part.Size = Vector3.new(1,1,1)
        part.CFrame = xy*center
        part.Anchored = true
        part.Parent = script
    end
end

function infinity(s)
    game:GetService("RunService").Stepped:Connect(function(t)
        local center = CFrame.new(0,s*2,-50)
        local scale = s/((s-s/4)-math.cos(2*t))
        local x = scale*math.cos(t)
        local y = scale*math.sin(2*t)/2
        local z = scale*math.sin(2/t)*2
        local x2 = ((x+1)*s)
        local y2 = ((y-1)*s)
        local z2 = (x2+y2)
        local xy = CFrame.new(x2,y2,0)
        local part = Instance.new("Part")
        part.Material = Enum.Material.Neon
        part.Color = Color3.fromHSV(math.abs(x),255,255)
        part.Size = Vector3.new(1,1,1)
        part.CFrame = xy*center
        part.Anchored = true
        part.Parent = script
    end)
end

function infinity2(s)
    local part = Instance.new("Part")
    part.Material = Enum.Material.Neon
    part.Size = Vector3.new(1,1,1)
    part.Anchored = true
    part.Parent = script
    local att1,att2 = Instance.new("Attachment"),Instance.new("Attachment")
    att1.Position = Vector3.new(0,-0.5,0)
    att2.Position = Vector3.new(0,0.5,0)
    att1.Parent = part
    att2.Parent = part
    local trail = Instance.new("Trail")
    trail.Parent = part
    trail.Attachment0 = att1
    trail.Attachment1 = att2
    trail.FaceCamera = true
    trail.LightInfluence = 1
    trail.Transparency = NumberSequence.new(0,1)
    trail.MinLength = 0
    trail.Lifetime = 10
    game:GetService("RunService").Stepped:Connect(function(t)
        local center = CFrame.new(0,s*2,-50)
        local scale = s/((s-s/4)-math.cos(2*t))
        local x = scale*math.cos(t)
        local y = scale*math.sin(2*t)/2
        local z = scale*math.sin(2/t)*2
        local x2 = ((x+1)*s)
        local y2 = ((y-1)*s)
        local z2 = (x2+y2)
        local xy = CFrame.new(x2,y2,0)
        game:GetService("TweenService"):Create(part,TweenInfo.new(1),{CFrame = xy*center}):Play()
        trail.Color = ColorSequence.new(Color3.fromHSV(math.abs(x),255,255))
    end)
end

function mandelbrot(s)
    local z = 0
    local x = 0.5
    local y = 0.5
    local c = (x+y)
    local i = 0
    game:GetService("RunService").Stepped:Connect(function(t)
        i += 1
        z = z^2+c
        x = z^2+x
        y = z*i^2+y*i
        local center = CFrame.new(0,s*2,-50)
        local part = Instance.new("Part")
        part.Size = Vector3.new(1,1,1)
        part.CFrame = CFrame.new(x,y,0)*center
        part.Anchored = true
        part.Parent = script
    end)
end

owner.Chatted:Connect(function(msg)
    if msg:lower():sub(1,5) == 'inf2/' then
        local s = msg:sub(6)
        if tonumber(s) then
            infinity2(tonumber(s))
        end
    elseif msg:lower():sub(1,4) == 'inf/' then
        local s = msg:sub(5)
        if tonumber(s) then
            infinity(tonumber(s))
        end
    elseif msg:lower():sub(1,6) == 'donut/' then
        local s = msg:sub(7)
        if tonumber(s) then
            donut(tonumber(s))
        end
    end
end)