304 lines
8.1 KiB
JavaScript
304 lines
8.1 KiB
JavaScript
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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var camera, controls, scene, renderer;
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var clock = new THREE.Clock();
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var raycaster = new THREE.Raycaster();
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var mouse = new THREE.Vector2(), INTERSECTED;
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var WIDTH = window.innerWidth , HEIGHT = window.innerHeight
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window.onload = function() {
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loadData(function() {
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init();
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animate();
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populateUserFields();
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});
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}
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function loadData(_callback) {
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// Load Data (hopefully) before the rest of the place loads.
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var xmlhttp = new XMLHttpRequest();
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var url = "js/atsdata.json";
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xmlhttp.onreadystatechange = function() {
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if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
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jsonEmpire = JSON.parse(xmlhttp.responseText)['ATS_Navcomp_DB']['empires'];
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_callback();
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}
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};
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xmlhttp.open("GET", url, true);
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xmlhttp.send();
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}
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function reset_view() {
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camera.position.set(-9300,50,550);
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controls.target.x = scene.getObjectByName("Federation").position.x;
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controls.target.y = scene.getObjectByName("Federation").position.y;
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controls.target.z = scene.getObjectByName("Federation").position.z;
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camera.updateProjectionMatrix();
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render();
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}
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function init() {
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scene = new THREE.Scene();
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renderer = new THREE.WebGLRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 1e7);
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controls = new THREE.OrbitControls( camera, renderer.domElement );
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controls.enableDamping = true;
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controls.dampingFactor = 0.25;
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controls.enableZoom = true;
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controls.addEventListener( 'change', render );
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document.addEventListener( 'mousedown', onCanvasClick, false );
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var Text2D = THREE_Text.Text2D;
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var SpriteText2D = THREE_Text.SpriteText2D;
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var textAlign = THREE_Text.textAlign
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var b_geometry, b_material, b_mesh, p_geometry, p_material, p_mesh, s_geometry, s_material, s_mesh, l_text;
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for (var key in jsonEmpire) {
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area=jsonEmpire[key];
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for (var key2 in area['borders']) {
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var border = area['borders'][key2];
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b_geometry = new THREE.SphereGeometry( border.radius, 10, 10 );
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b_material = new THREE.MeshBasicMaterial( { color: area.color, wireframe: true} );
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b_mesh = new THREE.Mesh( b_geometry, b_material );b_mesh
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b_mesh.position.x = border.x;
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b_mesh.position.y = border.y;
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b_mesh.position.z = border.z;
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b_mesh.name = escapeHTML(border.name);
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scene.add( b_mesh );
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if (border.radius > 10) {
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l_text = new Text2D(border.name, { align: textAlign.center, font: '25px Arial', fillStyle: '#777' , antialias: false });
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l_text.material.alphaTest = 0.5;
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l_text.position.set(border.x,border.y,border.z);
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l_text.scale.set(0.75,0.75,0.75);
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scene.add(l_text);
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}
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}
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// Planet Generation
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for (var key in area["planets"]) {
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var planet = area.planets[key];
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p_geometry= new THREE.SphereGeometry( 1, 10, 10 );
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p_material = new THREE.MeshBasicMaterial( { color: area.color, wireframe: false} );
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p_mesh = new THREE.Mesh( p_geometry, p_material );
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p_mesh.position.x=planet.x;
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p_mesh.position.y=planet.y;
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p_mesh.position.z=planet.z;
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p_mesh.name = escapeHTML(planet.name);
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scene.add( p_mesh );
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l_text = new Text2D(escapeHTML(planet.name), { align: textAlign.right, font: '12px Arial', fillStyle: '#FFF' , antialias: false });
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l_text.material.alphaTest = 0.0;
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l_text.position.set(planet.x,planet.y,planet.z);
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l_text.scale.set(0.25,0.25,0.25);
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scene.add(l_text);
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}
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// Base Generation
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for (var key in area["stations"]) {
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var base = area.stations[key];
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s_geometry = new THREE.CylinderGeometry( 0.1, 0.5*3, 0.5*3, 4 );
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s_material = new THREE.MeshBasicMaterial( { color: area.color, wireframe: false} );
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s_mesh = new THREE.Mesh( s_geometry, s_material );
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s_mesh.position.x=base.x;
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s_mesh.position.y=base.y;
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s_mesh.position.z=base.z;
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s_mesh.name = escapeHTML(base.name);
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scene.add( s_mesh );
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l_text = new Text2D(escapeHTML(base.name), { align: textAlign.left, font: '12px Arial', fillStyle: '#ABABAB' , antialias: false });
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l_text.material.alphaTest = 0.0;
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l_text.position.set(base.x,base.y+3,base.z);
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l_text.scale.set(0.20,0.20,0.20);
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scene.add(l_text);
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}
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}
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// Set view and camera to point to initial location
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reset_view();
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}
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window.onresize = function() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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render();
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}
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function onCanvasClick( event ) {
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//event.preventDefault();
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mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1;
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mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1;
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raycaster.setFromCamera( mouse, camera );
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var intersects = raycaster.intersectObjects( scene.children );
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if ( intersects.length > 0 ) {
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if ( INTERSECTED != intersects[ 0 ].object ) {
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INTERSECTED = intersects[ 0 ].object;
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// console.log( INTERSECTED.name );
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if (lastInputBox) {
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document.getElementById(lastInputBox).value = INTERSECTED.name;
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}
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}
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} else {
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INTERSECTED = null;
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}
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}
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function animate() {
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var delta = clock.getDelta();
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requestAnimationFrame( animate );
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scene.updateMatrixWorld()
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controls.update(delta);
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render();
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}
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function render () {
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//requestAnimationFrame( render );
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renderer.render( scene, camera );
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// find intersections
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}
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function listobjects(type) {
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var objects = {};
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for (var key in jsonEmpire) {
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area=jsonEmpire[key];
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for (var key2 in area[type]) {
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object = area[type][key2];
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objectname = object.name;
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objects[object.name] = object;
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}
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}
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return objects;
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}
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function zoomfocus(name) {
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var types = ['planets','stations'];
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for (var type in types) {
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var objects = listobjects(types[type]);
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for ( var key in objects ) {
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if (key == name) {
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var object = objects[key];
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controls.target.x = object.x;
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controls.target.y = object.y;
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controls.target.z = object.z;
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var focus = new THREE.Vector3( object.x, object.y, object.z );
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var vantage = new THREE.Vector3( 5, 60 , 150 );
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focus.add(vantage);
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camera.position.set(focus.x,focus.y,focus.z);
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camera.updateProjectionMatrix();
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render();
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}
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}
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}
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}
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function drawline(name,origin,dest) {
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var geometry = new THREE.Geometry();
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var material = new THREE.LineBasicMaterial( { color: '#FFF', });
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geometry.vertices.push(origin, direction);
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var line = new THREE.Line( geometry, material );
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ray.name = "test";
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scene.add(ray);
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animate();
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}
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function removeEntity(object) {
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var selectedObject = scene.getObjectByName(object);
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scene.remove( selectedObject );
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animate();
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}
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// Calculates SU/s with given warp factor
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function calcSUpS(warpfactor) {
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// 14.0*29.979246*1298.737508 = 257494817.55 SU/s
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// Velocity = WF^3.333333*lightspeed*cochranes
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// 3087467836.3256578445 = 1 Parsec
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var cochranes = 1298.737508; // Average cochranes
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var lightspeed = 29.979246; // Lightspeed constant
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var exponent = 3.333333;
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var sus = Math.pow(warpfactor,exponent) * lightspeed * cochranes ;
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return sus;
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}
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function su2pc ( su ) {
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return su / 3087467836.3256578445;
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}
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// Calculates ETA for given distance and velocity.
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// Velocity should be supplied as an array of speed and unit
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function calcETA(velocity,distance) {
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var speed = velocity.speed;
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var unit = velocity.unit;
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var seconds;
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switch (unit) {
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case 'SU/s':
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seconds = new Decimal( distance / su2pc(speed) );
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break;
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case 'PC/s':
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seconds = new Decimal( distance / speed );
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break;
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case 'WF':
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seconds = distance / su2pc(calcSUpS(speed));
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break;
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default:
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throw "Invalid unit of speed."
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}
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return seconds;
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}
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// Calculate the distance between two named points ( Stations or Bases )
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function calcDist(pointa, pointb) {
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var obj_A = scene.getObjectByName(pointa);
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var obj_B = scene.getObjectByName(pointb);
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var distance = obj_A.position.distanceTo(obj_B.position);
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return distance;
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}
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