Fps calculation

General
1

I’m working on a game and sometimes very hard calculations need to be done whereafter my fps seriously drops.
Therefore I made a code to calculate the fps, but it doesn’t work. First I have a fps of for example 50, then 250 and then 130.
Why is my fps not a little bit constantly?
This is my code:

function calc_fps()
    counter = counter + 1
    if newtime<os.clock() then
        fps=counter
        newtime=os.clock()+1
        counter=0
    end
end

By the way, sorry for my poor English :slight_smile:

2

Hi, here is an easier way to calculate FPS:

function setup()
end

function draw()
    background(40,40,50)

    -- Put an FPS counter in the corner of your screen
    local fps = 1/DeltaTime
    fill(255,255,255)
    textMode(CORNER)
    text(fps, 10, 10)
end

```
3

I recommend putting it in a string.format otherwise the number will jump around as the number of digits changes. Something like string.format("%.2f", 1/DeltaTime).

4

It also helps to mod Simeon’s code to

text(math.ceil(fps),10,10)
5

Thanks all of you. Now it works very well. :slight_smile: