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earth.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Shaking Earth</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<link type="text/css" rel="stylesheet" href="main.css">
</head>
<body>
<div id="container"></div>
<div id="info">Loading Data</div>
<div id="infoSeismic" style="visibility: hidden;"></div>
<script type="x-shader/x-vertex" id="vertexshaderParticle">
attribute float size;
attribute vec2 coords;
attribute vec3 epicenter;
attribute vec3 positionIntroText;
uniform float time;
uniform float timeSinceMove;
uniform vec3 mouse3D;
uniform int modeVisu;
uniform float magnitude;
varying vec3 vColor;
varying vec2 vCoords;
varying vec3 vPosition;
varying float crossProduct;
varying float vDeltaPos;
varying float vDisplacementRadar;
const float M_PI = 3.1415926535897932384626433832795;
void main() {
vColor = color;
vCoords = coords;
vPosition = position;
vDeltaPos = 1.;
vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );
gl_PointSize = max(size, 4.) * ( 300.0 / -mvPosition.z );
gl_Position = projectionMatrix * mvPosition;
crossProduct = min( 0.4 + 1. - acos( dot(normalize(position), normalize(cameraPosition))), 1.);
if(modeVisu > 0){
crossProduct = min( 0.4 + 1. - acos( dot((normalize(modelMatrix * vec4(position, 1.))).xyz, normalize(cameraPosition))), 1.);
}
// Test wave
float PI = 3.14159;
float distFromMouse = distance(position, mouse3D) / 10.;
// Seismic place rendering
if(modeVisu > 0){
float distToEpicentre = distance(position, epicenter);
vDeltaPos = 10. * sin(distToEpicentre / 2. - time * size / 3.); // size is magnitude (dirty reuse of ) // 10. * sin(distToEpicentre / 4. - time * 2.);
vec3 nPosition = position * (1. + vDeltaPos / (distToEpicentre * 100.) );
gl_Position = projectionMatrix * modelViewMatrix * vec4( nPosition, 1.0 );
}
// Rotating earth local elevation / radar effect
float alpha = atan(position.z, position.x) + M_PI;
float angularTime = mod(time / 8., 2. * M_PI);
float modulationSize = 0.02;
float distToModulation = abs(alpha - angularTime);
if(distToModulation < modulationSize){
vDisplacementRadar = modulationSize - distToModulation; // abs(sin(( angularTime - alpha ) * time ) ) / 50.;
vec3 nPos = position * ( 1. + vDisplacementRadar / 2.);
gl_Position = projectionMatrix * modelViewMatrix * vec4( nPos, 1.0 );
}
// When mouse over earthquake we shake earth locally
if(distFromMouse < 8.){
vec3 newPosition = position * (1. + 10. * timeSinceMove * sin(distFromMouse * 4. - time * 2.) / (distFromMouse * 100.));
gl_Position = projectionMatrix * modelViewMatrix * vec4( newPosition, 1.0 );
}
// Pos as text intro
if(modeVisu < 1 && (time - 8. ) < 1. ){
// vec3 interpolatedPos = mix(position, positionIntroText, max(1. - (time - 8.), 0.));
vec3 interpolatedPos = mix(position, positionIntroText, max(1. - (time - 8. * coords.x ), 0.));
gl_Position = projectionMatrix * modelViewMatrix * vec4( interpolatedPos, 1.0 );
}
}
</script>
<script type="x-shader/x-fragment" id="fragmentshaderParticle">
uniform sampler2D pointTexture;
uniform sampler2D earthTexture;
uniform sampler2D earthNightTexture;
uniform int modeVisu;
uniform float time;
uniform float magnitude;
varying vec2 vCoords;
varying vec3 vColor;
varying vec3 vPosition;
varying float crossProduct;
varying float vDeltaPos;
varying float vDisplacementRadar;
float luminance(float r, float g, float b){
return (r * 0.3) + (g * 0.59) + (b * 0.11);
}
void main() {
//gl_FragColor = vec4( vColor, 1.0 );
//gl_FragColor = 1.5 * texture2D( pointTexture, gl_PointCoord ); // + texture2D( earthNightTexture, gl_PointCoord );
//if(modeVisu > 0){ gl_FragColor = gl_FragColor * texture2D( earthTexture, vCoords );}
vec4 pointSpriteTexture = texture2D( pointTexture, gl_PointCoord );
vec4 earthMap = texture2D( earthNightTexture, vCoords ) * 4.; // + texture2D( earthTexture, vCoords ) * 0.4;
gl_FragColor = crossProduct * earthMap; // pointSpriteTexture;
gl_FragColor.a = crossProduct * pointSpriteTexture.a * 10.; // * 0.8;
if(modeVisu > 0){
float normalizedColor = vDeltaPos / 50.;
gl_FragColor = vec4(vColor + vec3( normalizedColor ), 0.5); // //vec4(1.,0.,0., max(crossProduct, 0.01) );
gl_FragColor.a = crossProduct * pointSpriteTexture.a * 10. * max(normalizedColor, 0.2);
}
gl_FragColor.xyz = mix(gl_FragColor.xyz, vec3(1.,0.,0.5), vDisplacementRadar * 25.);
// We do horizon culling
//float maxDist = sqrt(length(vPosition) * length(vPosition) + length(cameraPosition) * length(cameraPosition));
}
</script>
<script type="x-shader/x-vertex" id="vertexshaderEarth">
attribute float size;
uniform float time;
uniform vec3 mouse3D;
varying vec3 vColor;
varying vec2 vUv;
varying vec3 vPosition;
varying float distFromMouse;
void main() {
vColor = color;
vUv = uv;
vPosition = position;
vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );
//gl_PointSize = size * ( 300.0 / -mvPosition.z );
//gl_Position = projectionMatrix * mvPosition;
// Test wave
float PI = 3.14159;
distFromMouse = distance(position, mouse3D) / 10.; // length(position);
if(distFromMouse < 8.){
vPosition = position * (1. + 10. * sin(distFromMouse * 4. - time * 2.) / (distFromMouse * 100.));
}
gl_Position = projectionMatrix * modelViewMatrix * vec4( vPosition, 1.0 );
}
</script>
<script type="x-shader/x-fragment" id="fragmentshaderEarth">
uniform sampler2D pointTexture;
uniform sampler2D earthTexture;
uniform sampler2D earthNightTexture;
uniform sampler2D earthSpecularTexture;
uniform sampler2D earthBumpTexture;
uniform int modeVisu;
varying vec2 vUv;
varying vec3 vColor;
varying vec3 vPosition;
varying float distFromMouse;
void main() {
gl_FragColor = texture2D( earthNightTexture, vUv); //(1. + (length(vPosition) - 199.) / 10. ) * texture2D( earthBumpTexture, vUv);
if(modeVisu == 1) {
gl_FragColor.a = 1. - distFromMouse / 8.;
}
vec4 col = texture2D( earthSpecularTexture, vUv);
if(col.b > 0.9)
gl_FragColor = vec4(0.,0.,0.,0.); // gl_FragColor.a = 0.;
}
</script>
<script type="module">
import * as THREE from './three.module.js';
import { OrbitControls } from './controls/OrbitControls.js';
var renderer, scene, camera, controls;
var particleSystemEarth, uniforms, geometry;
var particles = 100000;
var cloudsSphere;
var earthSphere;
var earthSphereBackSide;
var wireframe;
var time = 0;
var timeSinceMove = 1;
var raycaster = new THREE.Raycaster();
var mouse = new THREE.Vector2();
var mouse3D = new THREE.Vector3();
var textMesh;
var seismicParticleSystem;
var allEarthquakeCenterObjects = [];
var raycaster = new THREE.Raycaster();
var mouse = new THREE.Vector2();
var radius = 200;
init();
/*
var light = new THREE.DirectionalLight(0xffffff,0.5);
light.position.set(-1,0,1);
scene.add(light);
var smokeTexture = new THREE.TextureLoader().load('textures/Smoke-Element.png');
var smokeMaterial = new THREE.MeshLambertMaterial({color: 0xeeeeee, map: smokeTexture, transparent: true});
var smokeGeo = new THREE.PlaneGeometry(300,300);
var smokeParticles = new THREE.Object3D();
for (var p = 0; p < 150; p++) {
var particle = new THREE.Mesh(smokeGeo,smokeMaterial);
particle.position.set(Math.random()*500-250,Math.random()*500-250,Math.random()*1000-100);
particle.rotation.z = Math.random() * 360;
smokeParticles.add(particle);
}
function evolveSmoke() {
smokeParticles.rotation.copy(camera.rotation);
var sp = smokeParticles.children.length;
while(sp--) {
smokeParticles.children[sp].rotation.z = (time * 0.3);
}
}
scene.add(smokeParticles);
*/
function init() {
camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 5000 );
camera.position.y = 400;
scene = new THREE.Scene();
renderer = new THREE.WebGLRenderer({antialias:true});
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
var container = document.getElementById( 'container' );
container.appendChild( renderer.domElement );
controls = new OrbitControls( camera, renderer.domElement );
controls.enableDamping = true; // an animation loop is required when either damping or auto-rotation are enabled
controls.dampingFactor = 0.05;
controls.screenSpacePanning = false;
controls.minDistance = 100;
controls.maxDistance = 2000;
uniforms = {
time: {value: time},
timeSinceMove: {value: timeSinceMove},
mouse3D: {value: mouse3D},
modeVisu: {value: 0},
magnitude: {value:0},
pointTexture: { value: new THREE.TextureLoader().load( "textures/spark1.png" ) },
earthTexture: { value: new THREE.TextureLoader().load( "textures/BlackMarble_2016_3km.jpg"/*"textures/8k_earth_daymap.jpg" */) },
earthNightTexture: { value: new THREE.TextureLoader().load( "textures/BlackMarble_2016_3km.jpg" ) },
earthSpecularTexture: { value: new THREE.TextureLoader().load( "textures/2k_earth_specular_map.jpg" ) },
earthBumpTexture: { value: new THREE.TextureLoader().load( "textures/elev_bump_2k.jpg" ) }
};
var shaderMaterialParticles = new THREE.ShaderMaterial( {
uniforms: uniforms,
vertexShader: document.getElementById( 'vertexshaderParticle' ).textContent,
fragmentShader: document.getElementById( 'fragmentshaderParticle' ).textContent,
blending: THREE.AdditiveBlending,
depthTest: false,
transparent: true,
vertexColors: true
} );
/*
// Test creating text geometry to get vertices to particles
var loader = new THREE.FontLoader();
loader.load( 'SuperYeastyRegular.json', function ( font ) { // https://threejs.org/examples/fonts/helvetiker_regular.typeface.json
var geometry = new THREE.TextGeometry( 'Earth Beats', {
font: font,
size: 80,
height: 5,
curveSegments: 12,
bevelEnabled: true,
bevelThickness: 10,
bevelSize: 8,
bevelOffset: 0,
bevelSegments: 5
} );
textMesh = new THREE.Mesh(geometry, new THREE.MeshBasicMaterial({wireframe: true}));
// scene.add(textMesh);
// Now we transform the text into particles
console.log("text: ",textMesh);
createEarth();
} );
*/
function createEarth(){
geometry = new THREE.BufferGeometry();
var positions = [];
var epicenters = [];
var positionsIntroText = [];
var colors = [];
var sizes = [];
var coords = [];
var color = new THREE.Color();
var nbPerlongitude = 700;
var nbPerLatitude = nbPerlongitude / 2;
var particleRadius = radius * 1;
var textInc = 0;
//var textPosArray = textMesh.geometry.vertices;
for ( var i = 0; i < nbPerlongitude; ++i){
var phi = i / nbPerlongitude * 2 * Math.PI;
for ( var j = 0; j < nbPerLatitude; ++j){
var theta = j / nbPerLatitude * Math.PI;
var x = - particleRadius * Math.cos(phi) * Math.sin(theta);
var y = particleRadius * Math.cos(theta);
var z = particleRadius * Math.sin(phi) * Math.sin(theta);
coords.push( i / nbPerlongitude, 1 - j / nbPerLatitude);
/* var posText = textPosArray[textInc];
var nexPosText = posText.clone();
if(textInc < textPosArray.length -1)
nexPosText = textPosArray[textInc + 1];
var avPos = (posText.add(nexPosText)).divideScalar(2.); //.addScalar(Math.random());
textInc++;
if(textInc >= textPosArray.length) textInc = 0;
*/
var p_2 = particleRadius /2;
// positionsIntroText.push(avPos.x - 180, avPos.y + Math.random(), avPos.z+ 80 );
positionsIntroText.push(Math.random() * particleRadius - p_2, Math.random() * particleRadius - p_2,Math.random() * particleRadius - p_2);
positions.push(x, y, z);
epicenters.push(x, y, z);
colors.push(0.5, 0., 1.);
sizes.push(6);
}
}
geometry.setAttribute( 'position', new THREE.Float32BufferAttribute( positions, 3 ) );
geometry.setAttribute( 'positionIntroText', new THREE.Float32BufferAttribute( positionsIntroText, 3 ) );
geometry.setAttribute( 'epicenter', new THREE.Float32BufferAttribute( epicenters, 3 ) );
geometry.setAttribute( 'coords', new THREE.Float32BufferAttribute( coords, 2 ) );
geometry.setAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );
geometry.setAttribute( 'size', new THREE.Float32BufferAttribute( sizes, 1 ).setUsage( THREE.DynamicDrawUsage ) );
particleSystemEarth = new THREE.Points( geometry, shaderMaterialParticles );
scene.add( particleSystemEarth ); console.log("particleSystemEarth", particleSystemEarth);
animate();
}
createEarth();
// controls.maxPolarAngle = Math.PI / 2;
window.addEventListener( 'resize', onWindowResize, false );
/*
// clouds
var geometryClouds = new THREE.SphereGeometry( radius + 3, 32, 32 );
var material = new THREE.MeshBasicMaterial( {
transparent:true,
opacity: 0.2,
map: new THREE.TextureLoader().load( "textures/4k_earth_clouds.jpg" ),
blending: THREE.AdditiveBlending,
});
cloudsSphere = new THREE.Mesh( geometryClouds, material );
*/
//scene.add( cloudsSphere );
// Version Mesh of the earth
var uniformsEarth = {
time: {value: time},
mouse3D: {value: mouse3D},
modeVisu: {value: 0},
pointTexture: { value: new THREE.TextureLoader().load( "textures/spark1.png" ) },
earthTexture: { value: new THREE.TextureLoader().load( "textures/4k_earth_daymap.jpg" ) },
earthNightTexture: { value: new THREE.TextureLoader().load( "textures/4k_earth_nightmap.jpg" ) },
earthSpecularTexture: { value: new THREE.TextureLoader().load( "textures/2k_earth_specular_map.jpg" ) },
earthBumpTexture: { value: new THREE.TextureLoader().load( "textures/elev_bump_2k.jpg" ) }
};
var shaderMaterialEarth = new THREE.ShaderMaterial( {
uniforms: uniformsEarth,
vertexShader: document.getElementById( 'vertexshaderEarth' ).textContent,
fragmentShader: document.getElementById( 'fragmentshaderEarth' ).textContent,
//blending: THREE.AdditiveBlending,
//wireframe: true,
side:THREE.FrontSide,
depthTest: true,
transparent: true,
vertexColors: true
} );
var shaderMaterialEarthBackSide = new THREE.ShaderMaterial( {
uniforms: uniformsEarth,
vertexShader: document.getElementById( 'vertexshaderEarth' ).textContent,
fragmentShader: document.getElementById( 'fragmentshaderEarth' ).textContent,
//blending: THREE.AdditiveBlending,
//wireframe: true,
side:THREE.BackSide,
depthTest: true,
transparent: false,
vertexColors: true
} );
var geometryEarth = new THREE.SphereBufferGeometry( radius , 128, 128);
earthSphere = new THREE.Mesh( geometryEarth, shaderMaterialEarth);
var geometryEarthBackSide = new THREE.SphereBufferGeometry( radius , 128, 128);
earthSphereBackSide = new THREE.Mesh( geometryEarthBackSide, shaderMaterialEarthBackSide);
// Version Lines of the earth
var uniformsLines= {
time: {value: time},
mouse3D: {value: mouse3D},
modeVisu: {value: 1},
pointTexture: { value: new THREE.TextureLoader().load( "textures/spark1.png" ) },
earthTexture: { value: new THREE.TextureLoader().load( "textures/4k_earth_daymap.jpg" ) },
earthNightTexture: { value: new THREE.TextureLoader().load( "textures/4k_earth_nightmap.jpg" ) },
earthSpecularTexture: { value: new THREE.TextureLoader().load( "textures/2k_earth_specular_map.jpg" ) },
earthBumpTexture: { value: new THREE.TextureLoader().load( "textures/elev_bump_2k.jpg" ) }
};
var shaderMaterialLines = new THREE.ShaderMaterial( {
uniforms: uniformsLines,
vertexShader: document.getElementById( 'vertexshaderEarth' ).textContent,
fragmentShader: document.getElementById( 'fragmentshaderEarth' ).textContent,
// blending: THREE.AdditiveBlending,
// wireframe: true,
depthTest: true,
transparent: true,
vertexColors: true
} );
const wireframeGeometry = new THREE.WireframeGeometry( geometryEarth );
const wireframeMaterial = new THREE.LineBasicMaterial( { /*color: 0xff0000*/ } );
wireframe = new THREE.LineSegments( wireframeGeometry, shaderMaterialLines );
// earthSphere.add( wireframe );
// scene.add( earthSphere );
//scene.add(earthSphereBackSide);
getSeismicData();
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
controls.update();
// if( seismicParticleSystem && seismicParticleSystem.scale.x < 1)
// seismicParticleSystem.scale.addScalar(0.04);
//if( seismicParticleSystem && seismicParticleSystem.material.opacity < 1)
// seismicParticleSystem.material.opacity += 0.01;
requestAnimationFrame( animate );
render();
}
function render() {
time += 0.001;
if(timeSinceMove > 0 ) timeSinceMove -= 0.02;
//cloudsSphere.rotation.y = time / 10.;
particleSystemEarth.material.uniforms.time.value = time * 40.;
particleSystemEarth.material.uniforms.timeSinceMove.value = timeSinceMove;
// earthSphere.material.uniforms.time.value = time * 40.;
// earthSphereBackSide.material.uniforms.time.value = time * 40.;
//wireframe.material.uniforms.time.value = time * 40.;
geometry.attributes.size.needsUpdate = true;
if(seismicParticleSystem)
seismicParticleSystem.material.uniforms.time.value = time * 40.;
// evolveSmoke();
//console.log(camera.position);
renderer.render( scene, camera );
}
function onMouseMove( event ) {
if(event.buttons == 0 ){
// timeSinceMove = 1;
mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1;
mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1;
// update the picking ray with the camera and mouse position
raycaster.setFromCamera( mouse, camera );
// calculate objects intersecting the picking ray
//var intersects = raycaster.intersectObjects( [cloudsSphere] );
var intersects = raycaster.intersectObjects( allEarthquakeCenterObjects );
var div = document.getElementById('infoSeismic');
div.style.visibility = "hidden";
for ( var i = 0; i < intersects.length; i++ ) {
var inter = intersects[ i ];
mouse3D = inter.point;
if(inter.object.evt){
timeSinceMove = 1;
var left = event.pageX - 140 + "px";
var top = event.clientY + "px";
div.style.left = left;
div.style.top = top;
div.innerText = inter.object.evt.eventLocationName +
'\nMagnitude: ' + inter.object.evt.Magnitude +
'\n ' + inter.object.evt.time;
div.style.visibility = "visible";
}
}
particleSystemEarth.material.uniforms.mouse3D.value = mouse3D;
earthSphere.material.uniforms.mouse3D.value = mouse3D;
earthSphereBackSide.material.uniforms.mouse3D.value = mouse3D;
wireframe.material.uniforms.mouse3D.value = mouse3D;
}
}
window.addEventListener( 'mousemove', onMouseMove, false );
/********************************** Part regarding the seismic data ***************************/
// Url to access data: https://service.iris.edu/fdsnws/event/1/query?starttime=2019-12-18T00:00:00&endtime=2019-12-19T23:00:00&includeallmagnitudes=true&orderby=time&format=text&nodata=404
// We get the data using text cause it's much faster to access and lighter
// Seismic event is 12 elements
var seismicArray = [];
function getSeismicData(){
var yesterday = new Date(new Date().getTime() - (24 * 3600 * 1000)).toISOString();
fetch('https://service.iris.edu/fdsnws/event/1/query?starttime=' + yesterday + '&includeallmagnitudes=true&orderby=time&format=text&nodata=404').then(
function(response) {
if (response.status !== 200) {
console.log('Looks like there was a problem. Status Code: ' + response.status);
return;
}
response.text().then(function(data) {
//console.log(data);
var st = data.replace(/[\/]/g, "");
var seismicDataArray = st.split(/[\r\n]+/gm); // split(new RegExp("\n")); // split(/\r?\n/) //split(/[\r\n]+/gm); // replace( /[\r\n]+/gm, "" ).split('|');
//console.log(seismicDataArray);
for(var i = 1; i < seismicDataArray.length; ++i){
var seismicEvent = seismicDataArray[i].split("|");
//console.log(seismicEvent);
seismicArray.push({ eventID : seismicEvent[0],
time : seismicEvent[1],
latitude : seismicEvent[2],
longitude : seismicEvent[3],
depth : seismicEvent[4],
author : seismicEvent[5],
catalog : seismicEvent[6],
contributor : seismicEvent[7],
contributorID : seismicEvent[8],
MagType : seismicEvent[9],
Magnitude : seismicEvent[10],
MagAuthor : seismicEvent[11],
eventLocationName : seismicEvent[12]
});
}
//console.log(seismicArray);
// Then we can launch the visualization of that data
displaySeismicData();
});
}
).catch(function(err) {
console.log('Fetch Error :-S', err);
});
}
// We have all the seismic data (seismicArray), we can now make a nice visualization for it
// ex eventID: "11159981"
/*
time: "2019-12-19T12:07:55"
latitude: "32.525"
longitude: "87.0848"
depth: "10.0"
author: "us"
catalog: "NEIC PDE"
contributor: "us"
contributorID: "us70006nf9"
MagType: "mb"
Magnitude: "4.9"
MagAuthor: "us"
eventLocationName: "XIZANG"
*/
function displaySeismicData(){
var uniforms = {
time: {value: time},
timeSinceMove: {value: timeSinceMove},
mouse3D: {value: mouse3D},
magnitude: {value:0},
modeVisu: {value: 1},
epicenter: {value: new THREE.Vector3()},
pointTexture: { value: new THREE.TextureLoader().load( "textures/spark1.png" ) },
earthTexture: { value: new THREE.TextureLoader().load( "textures/4k_earth_daymap.jpg" ) },
earthNightTexture: { value: new THREE.TextureLoader().load( "textures/4k_earth_nightmap.jpg" ) },
earthSpecularTexture: { value: new THREE.TextureLoader().load( "textures/2k_earth_specular_map.jpg" ) },
earthBumpTexture: { value: new THREE.TextureLoader().load( "textures/elev_bump_2k.jpg" ) }
};
var shaderMaterialParticles = new THREE.ShaderMaterial( {
uniforms: uniforms,
vertexShader: document.getElementById( 'vertexshaderParticle' ).textContent,
fragmentShader: document.getElementById( 'fragmentshaderParticle' ).textContent,
blending: THREE.AdditiveBlending,
depthTest: false,
transparent: true,
vertexColors: true
} );
var radius = 200 + 2;
var geometry = new THREE.BufferGeometry();
var positions = [];
var epicenters = [];
var colors = [];
var sizes = [];
var coords = [];
var color = new THREE.Color();
var nbParticlesPerSeism = 4000;
var noise = 0.10;
var maxDistanceToEpicenter = 15;
var geometryCone = new THREE.SphereBufferGeometry(7,4,4);//THREE.ConeGeometry( 5, 20, 32 );
var materialCone = new THREE.MeshBasicMaterial( {color: 0xffff00, transparent: true, opacity:0.0} );
var divInfo = document.getElementById('info');
divInfo.innerText = "Showing " + seismicArray.length + " earthquakes for the last 24 hours";
// allEarthquakeCenterObjects.push(earthSphere); // We add the earth for picking reason
for(var i in seismicArray){
if(seismicArray[i].eventID != ''){
var evt = seismicArray[i];
var lon = Math.PI + parseFloat(evt.longitude) / 180 * Math.PI;
var lat = Math.PI / 2 - parseFloat(evt.latitude) / 180 * Math.PI;
var magnitude = parseFloat(evt.Magnitude);
var x = - radius * Math.cos(lon) * Math.sin(lat);
var y = radius * Math.cos(lat);
var z = radius * Math.sin(lon) * Math.sin(lat);
var cone = new THREE.Mesh( geometryCone, materialCone );
cone.evt = evt;
//console.log(cone.evt);
cone.position.set(x,y,z);
cone.up.copy(new THREE.Vector3(x,y,z));
allEarthquakeCenterObjects.push(cone);
scene.add( cone );
for(var j = 0; j < nbParticlesPerSeism; ++j){
// Ugly way with lon lat noisy
var noiseLon = lon + (Math.random() - 0.5) * noise * 4.;//* magnitude;
var noiseLat = lat + (Math.random() - 0.5) * noise * 4.;// * magnitude;
var x2 = - radius * Math.cos(noiseLon) * Math.sin(noiseLat);
var y2 = radius * Math.cos(noiseLat);
var z2 = radius * Math.sin(noiseLon) * Math.sin(noiseLat);
var pos = new THREE.Vector3(x2, y2, z2);
// Version using noise distance to epicenter
// 2D circle var nx =
var d = new THREE.Vector3(x,y,z).distanceTo(pos);
if(d < maxDistanceToEpicenter / 4 + 2 * magnitude){
positions.push(pos.x, pos.y, pos.z);
epicenters.push(x, y, z);
coords.push(lon, lat);
colors.push(d / maxDistanceToEpicenter,0.,1.);
sizes.push(magnitude); // We use it for magnitude
}
}
}
}
console.log("displayed particles for earthquakes: ", sizes.length);
geometry.setAttribute( 'position', new THREE.Float32BufferAttribute( positions, 3 ) );
geometry.setAttribute( 'epicenter', new THREE.Float32BufferAttribute( epicenters, 3 ) );
geometry.setAttribute( 'coords', new THREE.Float32BufferAttribute( coords, 2 ) );
geometry.setAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );
geometry.setAttribute( 'size', new THREE.Float32BufferAttribute( sizes, 1 ).setUsage( THREE.DynamicDrawUsage ) );
seismicParticleSystem = new THREE.Points( geometry, shaderMaterialParticles );
scene.add(seismicParticleSystem);
// seismicParticleSystem.material.opacity = 0.;
}
</script>
</body>
</html>