Guerre du ciel

m = peripheral.wrap("back")

m.setTextScale(0.5)
x,y = m.getSize()
print(x..":"..y)

iter = 0
text = "\_/%100%\_/"
--text = "BITE"
items = {}
stars = {}
starsNbr = 150

function registerStars()
        stars = {}
        for i=1,starsNbr do
                toAdd = {}
                toAdd["x"] = math.random(1,x)
                toAdd["y"] = math.random(1,y)
                table.insert(stars,toAdd)
        end
end

function forwardStars()
        for k,v in pairs(stars) do
                stars[k]["x"] = stars[k]["x"]+1
        end
        for i=1,10 do
                toAdd = {}
                toAdd["x"] = 1
                toAdd["y"] = math.random(1,y)
                if math.random(1,100) > 90 then table.insert(stars,toAdd) end
        end
end

function drawStars()
        for k,v in pairs(stars) do
                m.setCursorPos(v["x"],v["y"])
                if math.random(1,100) > 70 then m.setTextColor(colors.lightGray) else m.setTextColor(colors.gray) end
                m.write(".")
        end
end

function redraw()
        m.clear()
        m.setTextColor(colors.gray)
        drawStars()
        m.setTextColor(colors.lightGray)
 for k,v in ipairs(items) do
         items[k]["x"] = v["x"]+1
                m.setCursorPos(v["x"],v["y"])
                m.write(text)
                x,y = m.getSize()
                if v["x"] > x then table.remove(items,k) end
        end
end

function addPlot()
        h = math.random(1,y)
        add = {}
        add["x"] = 1
        add["y"] = h
        table.insert(items,add)
end

registerStars()
addPlot()
while true do
        iter = iter + 1
        redraw()
        os.sleep(0.05)
        if iter % 14 == 0 then addPlot() end
        if iter % 20 == 0 then forwardStars() end
end