main.js

"use strict";

function callbackMove(mv){ //called each time a head movement is detected
  if (PACMAN){
  	PACMAN.update_mv(mv);
  }
}

//entry point :
function main(){
	pacmanStart(headControlStart);
}

function pacmanStart(callback){
	var el = document.getElementById("pacman");
    if (Modernizr.canvas && Modernizr.localstorage && 
        Modernizr.audio && (Modernizr.audio.ogg || Modernizr.audio.mp3)) {
      window.setTimeout(function () { 
      	PACMAN.init(el, "./");
      	callback();
      }, 0);
    } else { 
      el.innerHTML = "Sorry, needs a decent browser<br /><small>" + 
        "(firefox 3.6+, Chrome 4+, Opera 10+ and Safari 4+)</small>";
    }
}

function headControlStart(){
	HeadControls.init({
		settings: {
			tol: {
	    		rx: 1,//do not move if head turn more than this value (in degrees) from head rest position
	    		ry: 3,
	    		s: 5 //do not move forward/backward if head is larger/smaller than this percent from the rest position
	    	},
	    	sensibility: {
	    		rx: 1.5,
	    		ry: 1,
	    		s: 1
	    	}
		},
	    canvasId: 'headControlsCanvas',
	    callbackMove: callbackMove,
	    callbackReady: function(errCode){
	      if (errCode){
	      	switch(errCode){
	      		case 'WEBCAM_UNAVAILABLE':
	      			alert('Cannot found or use the webcam. You should accept to share the webcam bro otherwise we cannot detect your face !');
	      			break;
	      	}
	        console.log('ERROR : HEAD CONTROLS NOT READY. errCode =', errCode);
	      } else {
	        console.log('INFO : HEAD CONTROLS ARE READY :)');
	        HeadControls.toggle(true);
	        var domStartButton=document.getElementById('start');
	        domStartButton.style.display='inline-block';
	        domStartButton.onclick=function(){
	        	if (PACMAN){
	        		HeadControls.reset_restHeadPosition();
	        		PACMAN.start();
	        		domStartButton.style.display='none';
	        	}
	        }
	      }
	    },
	    NNCpath: '../../dist/', //where to find NNC.json from the current path
	    animateDelay: 2 //avoid DOM lags
	}); //end HeadControls.init params
}