Problem Min and Max Time

Hello! I have problem: min and max time, i wanna Time to 600sec max and i not want minus, min to 0sex only.

Sorry my bad speak english

I wrote a little guide on timers for someone else, so here it is for you to read, absorb and learn from :

in response to another question : Ive looked at a few different ways of making a timer but there not making any sense to me, could you help me out?

I personally have seen 2 types of timer/counter. The first is with a ‘timer’ and a maximum value.

var timer : float = 0.0;
var timerMax : float = 5.0;

function Update()
{
    if ( timer > timerMax )
    {
       // do stuff
       // reset timer 
       timer = 0.0;
    }
	// increment timer over time
    timer += Time.deltaTime;
	
	// increment timer with an integer value (like counting frames)
	// timer ++; // like this, timer can be an integer (counter)
}

the other method is using Time.time itself, but it still need an increment value to work.

var timer : float = 0.0;
var timerDelay : float = 5.0;

function Update()
{
    if ( Time.time > timer )
    {
       // do stuff
       // reset timer
       timer = Time.time + timerDelay;
    }
}