/**
 * Created by aghassaei on 1/8/15.
 */

function Three(){

    var self = this;

    var container = $("#threeContainer");
    var camera, scene, renderer, controls;

    camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
    camera.position.z = 500;

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

    controls = new THREE.OrbitControls( camera, container.get(0) );
    controls.addEventListener( 'change', render );

    // world

    var geometry = new THREE.CylinderGeometry( 0, 10, 30, 4, 1 );
    var material = new THREE.MeshLambertMaterial( { color:0xffffff, shading: THREE.FlatShading } );

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

        var mesh = new THREE.Mesh( geometry, material );
        mesh.position.x = ( Math.random() - 0.5 ) * 1000;
        mesh.position.y = ( Math.random() - 0.5 ) * 1000;
        mesh.position.z = ( Math.random() - 0.5 ) * 1000;
        mesh.updateMatrix();
        mesh.matrixAutoUpdate = false;
        scene.add( mesh );

    }

    // lights

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

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

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


    // renderer

    renderer = new THREE.WebGLRenderer( { antialias: false } );
    renderer.setClearColor( scene.fog.color, 1 );
    renderer.setSize( window.innerWidth, window.innerHeight );

    container.append(renderer.domElement);

    window.addEventListener( 'resize', onWindowResize, false );

    animate();

    function onWindowResize() {

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

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

    function animate() {

      requestAnimationFrame( animate );
      controls.update();
    }
    
    function render(){
      renderer.render( scene, camera );
    }

    function clearAll(){
        var children = scene.children;
        for (var i=children.length;i>=0;i--){
            var object = children[i];
            if (object instanceof THREE.Mesh){
                scene.remove(object);
            }
        }
        render();
    }
    
    return {//public properties
        scene:scene,

//        camera:camera,
//        controls:controls,
//        renderer:renderer,
        render:render,
        clearAll:clearAll
    }
}