asked on

Timer function prob

hi..
I am using Timer in my program to continuosly draw some circles after a small delay....but even if i give delay parameter as 1 millisecond..i draws circle after 10 ms...and bcoz of that whole proc works slow..is there any better way to do this or what is prob with Timer??

lwinkenb

The Timer is not accurate enough to distinguish between resolutions of 1ms (I think it has more to do with the OS than the java Timer function though). Anyways, you cannot rely on a Timer or Sleep function to accurately distinguish resolutions that small.

TimYates

and if you could, the Timer would lock the system :-(

Try storing the System.currentTimeMillis() value at the end of the timer function, then drawing that number of circles next time the Timer fires... bit of a hack, but you will get one circle per ms ;-)

TimYates

ie:

draw ( System.currentTimeMillis() - oldTime ) circles
then set oldTime = System.currentTimeMillis() ;

jimmack

Working the weekend Tim?

;-)

TimYates

hehehe, no...just got up and thought I'd have a look before I go and buy a dvd player and some fireworks :-)

what a combination ;-)

sushpb4u

ASKER

sorry for late reply..but TimYates i didnt get ur solution...
see tihs is my code in Timer funciotn

speed=1;

myTimer=new Timer(speed,this) ;
myTimer.start();

///in actionPerformed()

if (e.getSource() == myTimer)
{
drawCircle(0);
if(i%2==0 )
drawCircle(1);
if(i%4==0 )
drawCircle(2);
if(i%7==0 )
drawCircle(3);
i++;
}
}

by tihs i want to draw 4 circles pixel by pixel with different speeds...and i want to draw first circle with speed 1ms...like when 1st circle completes 2 circles...2nd circle circle shud complete one round..like this...
but all this shud happen with speed given by 'speed' variable..so it is possible with System.currentTimeMillis()???
plz reply..

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TimYates

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sushpb4u

ASKER

hi tim Yates....yes..its really tooo fast ...but i will do sometihing for that..and thanx a lotttttttt:)