Delta time Y coordinates problem

[IAsep-TrixI]

just about 1 day ago I noticed that my game titania ex-3 had different speeds on different computers and I said "Didnt I add delta time a long time ago?"
and well I fixed the problem but the thing is, I added dt for player.y it went way too fast and didnt go the same speed as the x coordinate.
Can anyone help?
heres the love files
http://www.mediafire.com/?pbbvy4rkp46gbg0

[Jeeper]

Your problem has nothing to do with DT this time. Your limit for the vertical velocity is based on your X velocity. Hence it never reaches "max" speed.

if love.keyboard.isDown('s') and
player.xvel > -100 then


this should just be changed to

if love.keyboard.isDown('s') and
player.yvel > -100 then

[Jeeper]

Update: You also had some other errors, you where using the ">, <" in a wrong way. Compare this code to the one that you have.

Code: Select all

 if love.keyboard.isDown('w') and
   player.yvel > -100 then 
      player.yvel = player.yvel - player.speed * dt
            player.drawable = playerS[player.pnum]
      player.animtimer = player.animtimer + dt
      if player.animtimer > 0.1 then
          player.pnum = player.pnum + 1
          player.animtimer = 0
      end
      if player.pnum > 4 then
          player.pnum = 4
      end
   end
      if love.keyboard.isDown('s') and
   player.yvel < 100 then 
      player.yvel = player.yvel + player.speed * dt
            player.drawable = playerS[player.pnum]
      player.animtimer = player.animtimer + dt
      if player.animtimer > 0.1 then
          player.pnum = player.pnum + 1
          player.animtimer = 0
      end
      if player.pnum > 4 then
          player.pnum = 4
      end
   end
end

[IAsep-TrixI]

those errors were made while trying to fix the problem ha ha I guess I forgot to set it back to normal