// template is blank 
// define your own Three.js World here 

           
           //loading in css and div container
           
            AB.loadCSS ( '/uploads/threeport/main.css' ); 
            AB.newDiv ('container')

// path edits:

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

            import Stats from '/uploads/threeport/stats.module.js';
            import { GUI } from '/uploads/threejs/dat.gui.module.js';
            
            let container, stats;

		let camera, scene, renderer;

		init();
		animate();

		function init() {

			container = document.getElementById( 'container' );

			camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 10 );
			camera.position.z = 2;

			scene = new THREE.Scene();

			// geometry

			const vector = new THREE.Vector4();

			const instances = 50000;

			const positions = [];
			const offsets = [];
			const colors = [];
			const orientationsStart = [];
			const orientationsEnd = [];

			positions.push( 0.025, - 0.025, 0 );
			positions.push( - 0.025, 0.025, 0 );
			positions.push( 0, 0, 0.025 );

			// instanced attributes

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

				// offsets

				offsets.push( Math.random() - 0.5, Math.random() - 0.5, Math.random() - 0.5 );

				// colors

				colors.push( Math.random(), Math.random(), Math.random(), Math.random() );

				// orientation start

				vector.set( Math.random() * 2 - 1, Math.random() * 2 - 1, Math.random() * 2 - 1, Math.random() * 2 - 1 );
				vector.normalize();

				orientationsStart.push( vector.x, vector.y, vector.z, vector.w );

				// orientation end

				vector.set( Math.random() * 2 - 1, Math.random() * 2 - 1, Math.random() * 2 - 1, Math.random() * 2 - 1 );
				vector.normalize();

				orientationsEnd.push( vector.x, vector.y, vector.z, vector.w );

			}

			const geometry = new THREE.InstancedBufferGeometry();
			geometry.instanceCount = instances; // set so its initalized for dat.GUI, will be set in first draw otherwise

			geometry.setAttribute( 'position', new THREE.Float32BufferAttribute( positions, 3 ) );

			geometry.setAttribute( 'offset', new THREE.InstancedBufferAttribute( new Float32Array( offsets ), 3 ) );
			geometry.setAttribute( 'color', new THREE.InstancedBufferAttribute( new Float32Array( colors ), 4 ) );
			geometry.setAttribute( 'orientationStart', new THREE.InstancedBufferAttribute( new Float32Array( orientationsStart ), 4 ) );
			geometry.setAttribute( 'orientationEnd', new THREE.InstancedBufferAttribute( new Float32Array( orientationsEnd ), 4 ) );

			// material

			const material = new THREE.RawShaderMaterial( {

				uniforms: {
					"time": { value: 1.0 },
					"sineTime": { value: 1.0 }
				},
				vertexShader: document.getElementById('vertexShader').textContent,
				fragmentShader: document.getElementById('fragmentShader').textContent,
				side: THREE.DoubleSide,
				transparent: true

			} );

			//

			const mesh = new THREE.Mesh( geometry, material );
			scene.add( mesh );

			//

			renderer = new THREE.WebGLRenderer();
			renderer.setPixelRatio( window.devicePixelRatio );
			renderer.setSize( window.innerWidth, window.innerHeight );
			container.appendChild( renderer.domElement );

			if ( renderer.capabilities.isWebGL2 === false && renderer.extensions.has( 'ANGLE_instanced_arrays' ) === false ) {

				document.getElementById( 'notSupported' ).style.display = '';
				return;

			}

			//

			const gui = new GUI( { width: 350 } );
			gui.add( geometry, 'instanceCount', 0, instances );

			//

			stats = new Stats();
			container.appendChild( stats.dom );

			//

			window.addEventListener( 'resize', onWindowResize );

		}

		function onWindowResize() {

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

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

		}

		//

		function animate() {

			requestAnimationFrame( animate );

			render();
			stats.update();

		}

		function render() {

			const time = performance.now();

			const object = scene.children[ 0 ];

			object.rotation.y = time * 0.0005;
			object.material.uniforms[ "time" ].value = time * 0.005;
			object.material.uniforms[ "sineTime" ].value = Math.sin( object.material.uniforms[ "time" ].value * 0.05 );

			renderer.render( scene, camera );

		}