Render

love.graphics.setCanvas(can)
local xBuffer = {}
local state = false

for i=0,500 do
    for k,v in pairs(beziers) do
        a,b = v.getX(i)
        --print(a, type(a))
        --print(b, type(b))
        if a then
            xBuffer[round(a)] = 1
            if b then
                xBuffer[round(a)] = 1
            end
        end
    end
    for k,v in pairs(lines) do
        a = v.getX(i)
        --print(a, type(a))
        if a then
            xBuffer[round(a)] = 1
        end
    end
    state = false
    for x=0,600 do
        if xBuffer[x] then
            --state = not state
            love.graphics.points(x,i)
        end
        if state then
            --love.graphics.points(x,i)
        end
    end
end

love.graphics.setCanvas()