const gridsize = 30;						// number of squares along side of world	   
const squaresize = 100;						// size of square in pixels
const MAXPOS = gridsize * squaresize;		// length of one side in pixels 
	
const NOBOXES =  Math.trunc ( (gridsize * gridsize) / 15 );


const SKYCOLOR 		= 0xffffcc;				// a number, not a string 
const LIGHTCOLOR 	= 0xffffff ;


const startRadiusConst	 	= MAXPOS * 0.8 ;		// distance from centre to start the camera at
const maxRadiusConst 		= MAXPOS * 5 ;

ABHandler.MAXCAMERAPOS 	= maxRadiusConst ;

ABHandler.GROUNDZERO		= true;

const SKYBOX_ARRAY = [										 
                "/uploads/mchenrp2/skyrender0001.png",
		        "/uploads/mchenrp2/skyrender0004.png",
		        "/uploads/mchenrp2/skyrender0003.png",
		        "/uploads/mchenrp2/skyrender0006.png",
		        "/uploads/mchenrp2/skyrender0005.png",
		        "/uploads/mchenrp2/skyrender0002.png"
                ];

	
function initScene()		// all file loads have returned 
{
     ABWorld.scene.background = new THREE.CubeTextureLoader().load ( SKYBOX_ARRAY,	function() 
	 { 
		ABWorld.render(); 
		AB.removeLoading();
		AB.runReady = true; 		
	 });
  	
}
AB.world.newRun = function()
{
		// Code for Three.js initial drawing of objects.
		// Should include one of:
	 	// ABWorld.init2d ( arguments ); 	
	 	// ABWorld.init3d ( arguments );

	ABWorld.init3d ( startRadiusConst, maxRadiusConst, SKYCOLOR  ); 

	loadResources();		// aynch file loads		
							// calls initScene() when it returns 
};


	AB.world.nextStep = function()		 
	{
		// Code for Three.js re-drawing of objects.  		
	};


	AB.world.endRun = function()
	{
	};




AB.world.newRun = function() 
{
	AB.loadingScreen();

	AB.runReady = false;  

	badsteps = 0;		
	goodsteps = 0;

	ABWorld.init3d ( startRadiusConst, maxRadiusConst, SKYCOLOR  ); 

	loadResources();		// aynch file loads		
							// calls initScene() when it returns 

	// light
 	var ambient = new THREE.AmbientLight();
    ABWorld.scene.add( ambient );
		
	var thelight = new THREE.DirectionalLight ( LIGHTCOLOR, 3 );
	thelight.position.set ( startRadiusConst, startRadiusConst, startRadiusConst );
	ABWorld.scene.add(thelight);
};

/*

AB.world.getState = function()
{
  var x = [ ai, aj, ei, ej ];
  return ( x );  
};


AB.world.takeAction = function ( a )
{
   moveLogicalAgent(a);
  
   if ( ( AB.step % 2 ) == 0 )		// slow the enemy down to every nth step
     moveLogicalEnemy();

  if ( badstep() )   badsteps++;
  else  			 goodsteps++;

   drawAgent();
   drawEnemy();
   updateStatus();
};

*/