// Cloned by Dave on 19 Nov 2022 from World "Port of flying birds " by Discover three.js 
// Please leave this clone trail here.
 

// Port of flying birds from discoverthreejs.com
// "Final code from Ch 1.7 of Discover three.js" 
// https://codesandbox.io/s/github/looeee/discoverthree.com-examples/tree/master/1-first-steps/7-load-models?from-embed
 
 
const startRadius       = 150;                  // distance from centre we start the camera at
const maxRadius         = startRadius * 20;     // maximum distance from camera we render things 

// can load skybox of other user:
 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_lt.png"
                ];


const mixers = [];
const clock = new THREE.Clock();

// AB customisations
// Select text and "Code Help" to see what these mean:

ABHandler.MAXCAMERAPOS      = maxRadius;
ABWorld.drawCameraControls  = false;  
AB.drawRunControls          = false;    



	
	AB.world.newRun = function()
	{
	    //      ABWorld.renderer = new THREE.WebGLRenderer ( { antialias: true } );     
	    // custom renderer args - uncomment if need this - otherwise init3d makes the renderer 
	    
        var color    = new THREE.Color ();                          // renderer color is not used - there is a skybox
	    ABWorld.init3d ( startRadius, maxRadius, color );            
	    
	    initLights();    
	    loadModels(); 
	    
	    // skybox: 
        ABWorld.scene.background = new THREE.CubeTextureLoader().load ( SKYBOX_ARRAY );
	};



	AB.world.nextStep = function()		 
	{
	    const delta = clock.getDelta();
        mixers.forEach( ( mixer ) => { mixer.update( delta ); } );
	};