AB.clockTick       = 150;    

	// Speed of run: Step every n milliseconds. Default 100.
	
AB.maxSteps        = 1000;    

	// Length of run: Maximum length of run in steps. Default 1000.

AB.screenshotStep  = 50;   
  
	// Take screenshot on this step. (All resources should have finished loading.) Default 50.



//---- global constants: -------------------------------------------------------


	const OBJ_SKELETON 	= '/uploads/starter/skelet.obj' ;
 
// skeleton credit
// formerly here:
// http://tf3dm.com/3d-model/skeleton-with-organs-91102.html


	const OBJPATH = "/uploads/starter/";	// path of OBJ and MTL (Peter Parker model)
	const OBJNAME = "Peter_Parker.obj";
	const MTLNAME = "Peter_Parker.mtl";

// Peter Parker credit
// formerly here:
// https://free3d.com/3d-model/spider-man-4998.html


// multiply model sizes by some amount:

		const SCALE_HERO 		= 70;
 
// random size skeleton with each run: 
    	const SCALE_SKELETON 	= AB.randomFloatAtoB ( 1, 6 );
//		const SCALE_SKELETON 	= 4;

 
 const TEXTURE_MAZE 	= '/uploads/starter/latin.jpg' ;
 const TEXTURE_SKELETON = '/uploads/starter/ghost.3.png' ;

// credits:
// https://commons.wikimedia.org/wiki/Category:Skull_and_crossbone_icons


 const MUSIC_BACK  		= '/uploads/starter/SuspenseStrings.mp3' ;

		// music credit
		// http://www.dl-sounds.com/royalty-free/suspense-strings/

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 ;		// maximum distance from camera we will render things  

	
	// camera on "Move With" should move up/down in y axis as we re-scale objects
	// to place the follow camera just above the agent, something like: 
	const FOLLOW_Y = SCALE_HERO * 4 ;
	
	// to point the camera at skeleton's face, something like: 
	const LOOKAT_Y = SCALE_SKELETON * 40;
	


//--- change ABWorld defaults: -------------------------------

ABHandler.MAXCAMERAPOS 	= maxRadiusConst ;

ABHandler.GROUNDZERO		= true;						// "ground" exists at altitude zero


//--- skybox: -------------------------------

// urban photographic skyboxes, credit:
// http://opengameart.org/content/urban-skyboxes

 const SKYBOX_ARRAY = [										 
                "/uploads/dg/corona_ft.png",
                "/uploads/dg/corona_bk.png",
                "/uploads/dg/corona_up.png",
                "/uploads/dg/corona_dn.png",
                "/uploads/dg/corona_rt.png",
                "/uploads/dg/corona_lf.png"
                ];