Forums » Help » Timer countdown

Hi all

another noob question im afraid, but ive created a font with dominics font tool and can display the numbers and letters whats the best way of doing a countdown in minutes:seconds so that game actions can add time to the timer?

I've been looking at online tutorials but here using date function not sure if that's the best approach for ios/impact?

many thanks in advance

Maybe this thread can help. It's not specific to using fonts but its all the same idea. http://impactjs.com/forums/help/how-to-do-a-countdown

woot, i love it when i get something working (even if its simple) ..

Time = ig.Game.extend({

	font: new ig.Font( 'media/white.png' ),//font
	secTimer: null,
}


init: function() {
	this.secTimer = new ig.Timer(1);// second counter initialise
}



draw: function() {// Draw all entities and BackgroundMaps
	this.parent();	
	this.font.draw( ig.game.min, 416, 2 ); //draw minutes
	this.font.draw( ':', 435, 0 ); // draw the seperator
	this.font.draw( ig.game.sec, 444, 2 ); // draw the seconds
	},


run:function(){
	
	if(this.secTimer.delta() >0){ // when timer has ticked for  a second
		ig.game.sec ++; // update the global game second counter 
		console.log("one second"); // log to show its ticking
		this.secTimer.reset() // reset it every second

	if (ig.game.sec==60){ // if seconds = 60
		ig.game.sec=0; //reset the seconds
		ig.game.min ++; //add one to the minutes
	}
	}

If anyone has any comments id love to hear how to do it better!

and this is a countdown timer which stops when it reaches zero .. is this even a reasonable way of doing this?

run:function(){
	// always count in seconds.
	//if seconds = 0 deduct 1 from minutes
	//max value for seconds is 60
	
	if (this.secTimer != null){
	if(this.secTimer.delta() >0 ){ // when timer has ticked for  a second
		ig.game.sec --; // update the global game second counter 
		this.secTimer.reset() // reset it every second
	         }
		
	if (ig.game.min ==0 && ig.game.sec ==0){ //if both mins and secs = 0 kill timer
		this.secTimer=null;
		console.log("gameover");
		}
	else if (ig.game.sec==0){ // if seconds = 0 //otherwise decrease mins and secs
			ig.game.sec=59; //reset the seconds
			ig.game.min --; // removes one from the minutes
			}
	}
            this.update();
            this.draw();
	}