A little circle fractal in Lua!

fractal-circles-main.lua

-- Written with LÖVE2D 0.10.2 (Super Toast)

local height = love.graphics.getHeight( )
local width = love.graphics.getWidth( )

local t = 0

love.graphics.setColor(255, 255, 255)
love.graphics.setLineWidth(1)

function drawCircle(mode, x, y, r)
    love.graphics.setColor(180, 60, 180)
    love.graphics.circle("line", x, y, r)

    if r > 0.01 then
        local xModifier = r * 1.25
        local yModifier = math.tan(t / 2)
        drawCircle(mode, x + xModifier, y + yModifier, r / 2)
        drawCircle(mode, x - yModifier, y - yModifier, r / 2)
    end
end

function love.draw()
    t = love.timer.getTime()
    love.graphics.translate(width/4, height/2)

    -- love.graphics.setLineWidth(math.sin(t * 1.5) * 5)
    drawCircle("line", 0, 0, width / 5)
end

Output: