webglmapview/mapview/js/mapviewgl.js
2016-07-14 08:32:03 -04:00

248 lines
7.4 KiB
JavaScript

if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var camera, controls, scene, renderer;
var canvas_t=[];
var context_t=[];
var clock = new THREE.Clock();
var WIDTH = window.innerWidth , HEIGHT = window.innerHeight
window.onload = function() {
loadData(function() {
init();
animate();
render();
});
}
function loadData(_callback) {
// Load Data (hopefully) before the rest of the place loads.
var xmlhttp = new XMLHttpRequest();
var url = "js/atsdata.json";
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
jsonEmpire = JSON.parse(xmlhttp.responseText);
_callback();
}
};
xmlhttp.open("GET", url, true);
xmlhttp.send();
}
function reset_view() {
camera.position.set(-9300,50,550);
controls.target.x = jsonEmpire[1]['borders'][0].x;
controls.target.y = jsonEmpire[1]['borders'][0].y;
controls.target.z = jsonEmpire[1]['borders'][0].z;
}
function init() {
scene = new THREE.Scene();
//scene.fog = new THREE.FogExp2( 0xcccccc, 0.002 );
renderer = new THREE.WebGLRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 1e7);
/* controls = new THREE.TrackballControls( camera, renderer.domElement ); // I don't like how the Trackball controls work.
controls.rotateSpeed = 1.0;
controls.zoomSpeed = 1.2;
controls.panSpeed = 0.8;
controls.noZoom = false;
controls.noPan = true;
controls.staticMoving = true;
controls.dynamicDampingFactor = 0.3;
controls.keys = [ 65, 83, 68 ];
camera.position.set(-8500,50,550);
/* camera.target = new THREE.Vector3().addVectors(/*new line for readability*/
// new THREE.Vector3(-9800,200,0), camera.getWorldDirection()); */
//camera.target = new THREE.Vector3(-9197,0,0); // END Trackball controls
controls = new THREE.OrbitControls( camera, renderer.domElement );
controls.enableDamping = true;
controls.dampingFactor = 0.25;
controls.enableZoom = true;
camera.position.set(-9300,50,550);
controls.addEventListener( 'change', render );
var borders=[];
var geometry=[];
var material=[];
var planets=[];
var labels=[];
var bases=[];
var Text2D = THREE_Text.Text2D;
var SpriteText2D = THREE_Text.SpriteText2D;
var textAlign = THREE_Text.textAlign
var raycaster = new THREE.Raycaster();
var mouse = new THREE.Vector2();
var rays = [];
jsonEmpire = jsonEmpire['ATS_Navcomp_DB']['empires'];
for (var key in jsonEmpire) {
area=jsonEmpire[key];
// Border Generation. If it's not visible, don't generate it, dummy.
for (var key2 in area['borders']) {
var border = area['borders'][key2];
geometry[border.name] = new THREE.SphereGeometry( border.radius, 10, 10 );
material[border.name] = new THREE.MeshBasicMaterial( { color: area.color, wireframe: true} );
borders[border.name] = new THREE.Mesh( geometry[border.name], material[border.name] );
borders[border.name].position.x = border.x;
borders[border.name].position.y = border.y;
borders[border.name].position.z = border.z;
borders[border.name].name = border.name;
scene.add( borders[border.name] );
if (border.radius > 10) {
var text = new Text2D(border.name, { align: textAlign.center, font: '25px Arial', fillStyle: '#777' , antialias: false });
text.material.alphaTest = 0.5;
text.position.set(border.x,border.y,border.z);
text.scale.set(0.75,0.75,0.75);
scene.add(text);
}
}
// Planet Generation
for (var key in area["planets"]) {
var planet = area.planets[key];
geometry[planet.name] = new THREE.SphereGeometry( 1, 10, 10 );
material[planet.name] = new THREE.MeshBasicMaterial( { color: area.color, wireframe: false} );
planets[planet.name]= new THREE.Mesh( geometry[planet.name], material[planet.name] );
planets[planet.name].position.x=planet.x;
planets[planet.name].position.y=planet.y;
planets[planet.name].position.z=planet.z;
planets[planet.name].name = planet.name;
var text = new Text2D(planet.name, { align: textAlign.right, font: '12px Arial', fillStyle: '#FFF' , antialias: false });
text.material.alphaTest = 0.0;
text.position.set(planet.x,planet.y,planet.z);
text.scale.set(0.25,0.25,0.25);
scene.add(text);
scene.add( planets[planet.name] );
}
// Base Generation
for (var key in area["stations"]) {
var base = area.stations[key];
var TILE_SIZE = 0.5;
geometry[base.name] = new THREE.CylinderGeometry( 0.1, TILE_SIZE*3, TILE_SIZE*3, 4 );
material[base.name] = new THREE.MeshBasicMaterial( { color: area.color, wireframe: false} );
bases[base.name] = new THREE.Mesh( geometry[base.name], material[base.name] );
bases[base.name].position.x=base.x;
bases[base.name].position.y=base.y;
bases[base.name].position.z=base.z;
bases[base.name].name = base.name;
scene.add( bases[base.name] );
var text = new Text2D(base.name, { align: textAlign.left, font: '12px Arial', fillStyle: '#ABABAB' , antialias: false });
text.material.alphaTest = 0.0;
text.position.set(base.x,base.y+3,base.z);
text.scale.set(0.20,0.20,0.20);
scene.add(text);
}
}
// Initial Target spot. UFP for convinence.
reset_view();
}
window.onresize = function() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
render();
}
function animate() {
var delta = clock.getDelta();
requestAnimationFrame( animate );
scene.updateMatrixWorld()
controls.update(delta);
renderer.render(scene, camera);
}
function render () {
requestAnimationFrame( animate );
renderer.render( scene, camera );
}
function listobjects(type) {
var objects = {};
for (var key in jsonEmpire) {
area=jsonEmpire[key];
for (var key2 in area[type]) {
object = area[type][key2];
objectname = object.name;
objects[object.name] = object;
}
}
return objects;
}
function zoomfocus(name) {
var types = ['planets','stations'];
for (var type in types){
var objects = listobjects(types[type]);
for ( var key in objects ) {
if (escapeHTML(key) == name) {
var object = objects[key];
controls.target.x = object.x;
controls.target.y = object.y;
controls.target.z = object.z;
var focus = new THREE.Vector3( object.x, object.y, object.z );
var vantage = new THREE.Vector3( 5, 60 , 150 );
focus.add(vantage);
camera.position.set(focus.x,focus.y,focus.z);
}
}
}
}
function drawline(name,origin,dest) {
var geometry = new THREE.Geometry();
var material = new THREE.LineBasicMaterial( { color: '#FFF', });
geometry.vertices.push(origin, direction);
var line = new THREE.Line( geometry, material );
ray.name = "test";
scene.add(ray);
animate();
}
function removeEntity(object) {
var selectedObject = scene.getObjectByName(object);
scene.remove( selectedObject );
animate();
}