// Cloned by junhao zhao on 30 Nov 2022 from World "webgl_interactive_voxelpainter (clone by Michael Walsh)" by Michael Walsh 
// Please leave this clone trail here.
 

// Cloned by Michael Walsh on 29 Nov 2022 from World "webgl_interactive_voxelpainter" by threejs.org porting project 
// Please leave this clone trail here.
 
//ported from threejs examples
//https://threejs.org/examples/#webgl_interactive_voxelpainter


//load css
            AB.loadCSS ( '/uploads/threeport/main.css' ); 
            AB.newDiv ('container');

    import * as THREE from  '/api/threemodule/libs/three.module.js'; 

	import { OrbitControls } from '/uploads/threejs/OrbitControls.js';



            //import * as THREE               from '/uploads/threeport/three.module.js';
            //import { OrbitControls }    from '/uploads/threejs/OrbitControls.js';

			let camera, controls, scene, renderer;

			init();
			//render(); // remove when using next line for animation loop (requestAnimationFrame)
			animate();

			function init() {

				scene = new THREE.Scene();
				scene.background = new THREE.Color( 0xcccccc );
				scene.fog = new THREE.FogExp2( 0xcccccc, 0.002 );

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				document.body.appendChild( renderer.domElement );

				camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
				camera.position.set( 400, 200, 0 );

				// controls

				controls = new OrbitControls( camera, renderer.domElement );
				controls.listenToKeyEvents( window ); // optional

				//controls.addEventListener( 'change', render ); // call this only in static scenes (i.e., if there is no animation loop)

				controls.enableDamping = false; // an animation loop is required when either damping or auto-rotation are enabled
	            controls.enableRotate   = true;

				controls.screenSpacePanning = false;

				controls.minDistance = 100;
				controls.maxDistance = 500;

				controls.maxPolarAngle = Math.PI / 2;
				
				controls.update();

				// world

				const geometry = new THREE.CylinderGeometry( 0, 10, 30, 4, 1 );
				const material = new THREE.MeshPhongMaterial( { color: 0xffffff, flatShading: true } );

				for ( let i = 0; i < 500; i ++ ) {

					const mesh = new THREE.Mesh( geometry, material );
					mesh.position.x = Math.random() * 1600 - 800;
					mesh.position.y = 0;
					mesh.position.z = Math.random() * 1600 - 800;
					mesh.updateMatrix();
					mesh.matrixAutoUpdate = false;
					scene.add( mesh );

				}

				// lights

				const dirLight1 = new THREE.DirectionalLight( 0xffffff );
				dirLight1.position.set( 1, 1, 1 );
				scene.add( dirLight1 );

				const dirLight2 = new THREE.DirectionalLight( 0x002288 );
				dirLight2.position.set( - 1, - 1, - 1 );
				scene.add( dirLight2 );

				const ambientLight = new THREE.AmbientLight( 0x222222 );
				scene.add( ambientLight );

				//

				window.addEventListener( 'resize', onWindowResize );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function animate() {

				requestAnimationFrame( animate );

				controls.update(); // only required if controls.enableDamping = true, or if controls.autoRotate = true

				render();

			}

			function render() {

				renderer.render( scene, camera );

			}