Ломанная в движении (Иллюзия 3D)

local size = 4 -- Больше 4 начинается мерцание некоторых линий
local x0,y0 = 160,50

local component = require("component")
local gpu = component.gpu
local term = require('term')

function line(x1,y1,x2,y2)
    x= x1
    y= y1
    for i = 1 , math.floor( ( (x2-x1 )^2+( y1-y2 )^2)^0.5) do
        gpu.set(math.floor(x),math.floor(y),'█')

        rad = math.atan2(y1-y2,x2-x1)
        x = x + math.cos(rad)
        y = y - math.sin(rad)
    end
end

local t = {}

function rnd()
    if math.random(0,1) == 0 then
        return -1
    else
        return 1
    end
end

for i = 1, size do
    t[i] = {['x'] = math.random(1,120),['y'] = math.random(1,50),['dx'] = rnd(),['dy'] = rnd()}
end

term.clear()

while true do
    for i = 1, size do
        t[i].x = t[i].x + t[i].dx
        t[i].y = t[i].y + t[i].dy

        if t[i].x > x0 then t[i].dx = -1 end
        if t[i].y > y0 then t[i].dy = -1 end
        if t[i].x < 1 then t[i].dx = 1 end
        if t[i].y < 1 then t[i].dy = 1 end
    end
    for i = 1, size-1 do
        line(t[i].x,t[i].y,t[i+1].x,t[i+1].y)
    end
    line(t[1].x,t[1].y,t[size].x,t[size].y)
    os.sleep(0.001)
    term.clear()
end