java - Buttons to pause and reset timer -

i add button pauses timer running , button reset timer.

the code below:

import processing.sound.*;   void playsoundfile(string filename) {   soundfile player;   player = new soundfile(this, filename);   player.play(); } //load image  pimage bg; //store millis function  int m = millis();  //also stores millis later use int startingtime;  void setup() { size(410,308); //load background image , store in url variable  string url = "http://yodas.ws/2007/11/keele1.jpg"; bg = loadimage(url,"jpg"); //stores millis function startingtime = millis();   }  void draw() { //sets background image loaded background (bg); //stores second, minute, hour int s = second(); int m = minute(); int h = hour(); //stores , converts second, minute , hour string string sec = str(s); string minu = str(m); string hr = str(h); string time = hr + ":" + minu; //displays time variable text (time, 300, 50); //sets colour of text fill(255,172,108); //sets text size 32 pixels textsize(32);  int seconds = (millis() - startingtime) / 1000;    //divides seconds 60 minute     int minutes = seconds / 60;    //divides minutes 60 hour     int hours = minutes/60;    //multiplies minutes 60 seconds     seconds-=minutes * 60;   //multiplies hours 60 minutes     minutes-=hours * 60;       //causes 10 second delay when user presses key     if (keypressed == true){       playsoundfile("down.mp3");       delay(10000);       }      //sets colour of text, displays text , text size     fill(255, 0, 0);    fill(255,172,108);    text((hours) + ":" + (minutes) + ":" + (seconds),20,50);    textsize(32);   }   //void keypressed(){   //if (m < 0){    // delay(1000);  // } //} //reset timer     //resets timer when user clicks mouse   void mouseclicked(){   if (m > 0) {   startingtime = millis();   //keypressed();   playsoundfile("down.mp3");    };    };