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earth-moon3.html
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<html>
<head>
<title>Earth-Moon Simulation</title>
<style>
body {
margin: 0;
background-color: black;
}
canvas {
width: 100%;
height: 100%;
}
input,
textarea,
select {
font: 1em "Source Code Pro", monospace
}
#controls {
position: absolute;
z-index: 100;
color: white;
}
#controls input[type=range] {
background: none;
}
#controls input[type=number] {
width: 3em
}
label {
display: block;
}
label2 {
// bottom: 0px;
font-size: x-small;
margin: 0px;
}
#IHMCam,
#IHMSelection {
bottom: 0px;
font-size: x-small;
margin: 0px;
padding: 5px;
}
.dg.ac {
z-index: 100!important
}
labelcb {
border: 1px solid #ccc;
padding: 10px;
margin: 0 0 10px;
display: block;
}
#GeneralInfos {
color: #ffffff;
background-color: #990000;
font-size: small;
position: absolute;
z-index: 100;
bottom: 0px;
padding: 5px;
}
</style>
</head>
<body>
<div id="controls">
<label>
target framerate:
<input id="framerate" type="number" value="30" max="60" min="1" />
</label>
<!--<label>-->
<!--real framerate: <span id="real_framerate">0</span>-->
<!--</label>-->
<!--<label>-->
<!--<input id="activate_trails" type="checkbox" />-->
<!--show trails-->
<!--</label>-->
<!--<label>-->
<!--Trail length:-->
<!--<input id="trails_length" min="0" max="3000" value="100" type="range" />-->
<!--<span></span>-->
<!--</label>-->
<label>
particles alive:
<span id="movers_alive_count"></span>
</label>
<label>
largest / total mass:
<br>
<span id="maximum_mass"></span> /
<span id="total_mass"></span>
</label>
<label2>
BIGGEST:
<span id="largest_pos" onclick="selectBiggest();"></span>
</label2>
<fieldset id="IHMCam">
<label>
<input id="cbCam" type="checkbox" checked> CAMERA:
</label>
<label2>
<span id="camera_info"></span>
</label2>
</fieldset>
<fieldset id="IHMSelection">
LAST SELECTED:
<span id="select_infos"></span>
<br/>
<!-- <button onclick='lookSun(this.innerHTML);'>lookOrigin</button> -->
<!-- <button onclick='inverseSelectionStatus();'>kill/reborn</button>
<button onclick='inverseDirection();'>inverse direction</button> -->
<!-- <br/> -->
<select id="mySelect" onchange="setSelection(this)" disabled>
<option value="0" selected>Action on Selection</option>
<option value="changeMass">change the Mass</option>
<option value="inverseSelectionStatus">kill/reborn</option>
<option value="inverseDirection">inverse direction</option>
<!-- <option value="valeur2" selected>Valeur 2</option> -->
<option value="newColor">newColor</option>
</select>
<div>
<label for="cbGeneralOrbitCam">
<input type="radio" name="controlCam" id="cbGeneralOrbitCam" checked> General Orbit Cam
</label>
<label for="cbFollowOrbitCam">
<input type="radio" name="controlCam" id="cbFollowOrbitCam" onclick="onCbOrbitCam();"> Follow by Orbit Cam
</label>
<label for="cbFPS">
<input type="radio" name="controlCam" id="cbFPS" value="FPS" onclick="onCbFPSCam();"> Follow by Free Cam
</label>
</div>
<div>
<label for="cbZoom">
<input id="cbZoom" type="checkbox" name="cbZoom" disabled> AutoZoomIn on it
</label>
</div>
</fieldset>
<div id='IHMButtons' style='position:absolute'>
</div>
<!-- <div id='GeneralInfos' style='position:absolute'> -->
<!-- </div> -->
</div>
<div id="GeneralInfos">PAUSE</div>
<script src="./js/libs/jQuery.min.js"></script>
<script src="./js/libs/dat.gui.min.js"></script>
<script src="./js/libs/three.min.js"></script>
<script src="./js/controls/orbit_controls.js"></script>
<script src="./js/controls/FirstPersonControls.js"></script>
<script src="./js/functions.js"></script>
<script src="./js/Mover.js"></script>
<script src="./js/options.config.dat2.js"></script>
<script>
var options = {
NAME:"EARTH_MOON", // name of Simulation
NAME_SVG: "EM3",
version : 3,
framerate: 60,
G: 6.673e-11, // 10 ??
TRAILS_DISPLAY: true,
SHOW_DIED: true,
SHOW_LABELS: true,
TRAILS_LENGTH: 1000, // Max length of Trails
SPECIFIC_MASS : 5000, // 5 tons
START_SPEED: 20,
RADIUS:1,
MOON_SPEED: 1, // initial Moon speed
MoveSpeed: 5000, // for moving by keyBoard Up / Down keys
MAX_DISTANCE: 1e6, // Max distance from center to update Movers
MASS_FACTOR : 1e20, // ??
DISTANCE_FACTOR : 1e3, // en km
SPECIFIC_GRAVITY_FCT : function (mass, d) { return - 400000 * mass / (d * d); },
INITIAL_CAM_POSITION : new THREE.Vector3(0, 35000, 70000),
RESET_CAM : function () { camera.position.copy(INITIAL_CAM_POSITION); },
/*
MASS_FACTOR : 100000, // 1:10 Gigatonnes = 1:10*10^9 tons = 1:10*10^12 kg ??
DISTANCE_FACTOR : 1000, // 1:1000 km = 1:10^6 meters
RADIUS_FACTOR : 1000, // for display of size ? not in use for the moment
*/
};
var gui = InitGUIFromOptions(options);
//allow cross origin loading
THREE.ImageUtils.crossOrigin = '';
// Camera, scene, and renderer
var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 5e6);
scene.add(camera);
camera.position.copy(options.INITIAL_CAM_POSITION);
//options.INITIAL_CAM_POSITION.copy(camera.position);
var renderer = new THREE.WebGLRenderer({ antialias: true });
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
// Orbit Controls
var controlOrbit = new THREE.OrbitControls(camera, renderer.domElement);
controlOrbit.enableKeys = false;
var controls = controlOrbit;
// Lights
var ambientLight = new THREE.AmbientLight(0xf1f1f1);
ambientLight.name = "ambientLight";
scene.add(ambientLight);
var spotLight = new THREE.DirectionalLight(0xffffff);
spotLight.position.set(50, 50, 50);
spotLight.name = "spotLight";
scene.add(spotLight);
// ME
var baseurl = window.location.origin + window.location.pathname;
//Objects (We build a mesh using a geometry and a material)
// Earth
var earthGeometry = new THREE.SphereGeometry(6378, 50, 50);
var earthMaterial = new THREE.MeshPhongMaterial({
map: new THREE.ImageUtils.loadTexture("./images/earth_3.jpg"),
color: 0xf2f2f2,
specular: 0xbbbbbb,
shininess: 2
});
var earth = new THREE.Mesh(earthGeometry, earthMaterial);
earth.name = "Earth";
scene.add(earth);
// Clouds
var cloudGeometry = new THREE.SphereGeometry(6478, 50, 50);
var cloudMaterial = new THREE.MeshPhongMaterial({
map: new THREE.ImageUtils.loadTexture("./images/clouds_2.jpg"),
transparent: true,
opacity: 0.1
});
var clouds = new THREE.Mesh(cloudGeometry, cloudMaterial);
clouds.name = "EarthClouds";
scene.add(clouds);
// Stars Fields
var starGeometry = new THREE.SphereGeometry(3e6, 50, 50);
var starMaterial = new THREE.MeshPhongMaterial({
map: new THREE.ImageUtils.loadTexture("./images/galaxy_starfield.png"),
side: THREE.DoubleSide,
shininess: 0
});
var starField = new THREE.Mesh(starGeometry, starMaterial);
starField.name = "StarField";
scene.add(starField);
// Moon initial position
var rOrbit = 384405;
var theta = 0;
var dTheta = 2 * Math.PI / 1000;
// For Flyby CAM
var dx = .01;
var dy = -.01;
var dz = -.05;
var isFlybyCam = false;
// Moon Meshs
var moonGeometry = new THREE.SphereGeometry(1738, 50, 50);
var moonMaterial = new THREE.MeshPhongMaterial({
map: THREE.ImageUtils.loadTexture("./images/moon_texture.jpg")
});
var moonS = new THREE.Mesh(moonGeometry, moonMaterial);
moonS.name = "MoonSimulation";
moonS.position.set(rOrbit, 0, 0);
scene.add(moonS);
var moonT = new THREE.Mesh(moonGeometry, moonMaterial);
moonT.name = "MoonTheorical";
moonT.position.set(rOrbit, 0, 0);
scene.add(moonT);
// Camera vector
var earthVec = new THREE.Vector3(0, 0, 0);
// ME --- CHX
var $camera_info = $("#camera_info");
var $select_infos = $("#select_infos");
var axesHelper = new THREE.AxisHelper(50000);
scene.add(axesHelper);
var selectionLight = new THREE.PointLight(0xff0000, 0);
selectionLight.castShadow = true;
scene.add(selectionLight); // ??
var movers = [];
var SPHERE_SIDES = 12;
// SELECTION VAR
var biggest
var selection
var lastOne
var pause = false;
simulationVelocity = new THREE.Vector3(0, 0, 1 );
moverEarth = AddSpecialMoverFromMesh2(59720 * options.MASS_FACTOR, earth, 'Earth', {colorHex:0x0000ff} );
moverMoonT = AddSpecialMoverFromMesh2( 736 * options.MASS_FACTOR, moonT, 'TheoricMoon', {colorHex:0x7FFF00});
moverMoonS = AddSpecialMoverFromMesh2( 736 * options.MASS_FACTOR, moonS, 'SimulatedMoon', {vel:simulationVelocity});
selection = moverMoonS;
// ------------
//Render loop
var render = function () {
// DEPLACEMENT
var vector = new THREE.Vector3();
var direction = camera.getWorldDirection(vector);
var moveSpeed = parseFloat(options.MoveSpeed);
if (holdUp) {
camera.position.add(vector.multiplyScalar(moveSpeed));
} else if (holdDown) {
camera.position.sub(direction.multiplyScalar(moveSpeed));
}
var movers_alive_count = 0;
total_mass = 0;
var maximum_mass = 0.00;
if (biggest)
largest_pos = 'dist: ' + NumToFormat(biggest.location.distanceTo(camera.position)) + ' id:' + biggest.name;
else
largest_pos = 0
if (movers && movers.length) {
if (!pause) {
// FIRST LOOP
for (var i = movers.length - 1; i >= 0; i--) {
var m = movers[i];
if (m.alive) {
movers_alive_count++;
total_mass += m.mass;
if (m.mass > maximum_mass) {
maximum_mass = m.mass;
biggest = m;
}
// SECOND LOOP for dynamic movers only (not Moon)
for (var j = movers.length - 1; j >= 3; j--) {
var a = movers[j];
if (movers[i].alive && movers[j].alive && i != j) {
var distance = m.location.distanceTo(a.location);
//var radiusM = Math.pow((m.mass / MASS_FACTOR / MASS_FACTOR / 4 * Math.PI), 1 / 3) / 3;
//var radiusA = Math.pow((a.mass / MASS_FACTOR / MASS_FACTOR / 4 * Math.PI), 1 / 3) / 3;
var radiusA = a.getRadius();
var radiusM = m.getRadius();
if (distance < radiusM + radiusA) {
console.log("EAT distance:"+distance)
//console.log("EAT radiusM:"+radiusM)
//console.log("EAT radiusA:"+radiusA)
// merge objects
if (a.mass > m.mass)
a.eat(m);
else
m.eat(a);
} else {
a.attract(m);
}
a.attract(m);
}
}
}
}
}
// DISPLAY Dynamic movers (added with right clic)
for (var i = movers.length - 1; i >= 3; i--) {
var m = movers[i];
if (m.alive && m.distanceToCenter() < options.MAX_DISTANCE) {
if (!pause) {
m.update();
}
}
m.display();
updateTrails(m);
}
// UPDATE Moon Movers
if (!pause) {
earth.rotation.y += .0009;
clouds.rotation.y += .00005;
//Moon orbit
theta += dTheta;
moonT.position.x = +rOrbit * Math.cos(theta);
moonT.position.z = -rOrbit * Math.sin(theta);
//moverEarth.attract(moverMoonS);
//moverEarth.update(); // Don't move Earth for the moment
moverMoonS.attract(moverEarth);
moverMoonS.update();
moverMoonT.updateMeshPositionInTrail();
}
moverEarth.display();
//updateTrails(moverEarth)
moverMoonS.display();
updateTrails(moverMoonS);
moverMoonT.display();
updateTrails(moverMoonT);
// AUTOZOOM :
if(!pause && document.getElementById('cbZoom').checked){
var distanceCam = selection.mesh.position.distanceTo(camera.position);
if(distanceCam>20e3){
moveSpeed = parseFloat(options.MoveSpeed);
direction2 = direction.clone().multiplyScalar(moveSpeed);
//console.log(direction2.length());
camera.position.x += direction2.x;
camera.position.y += direction2.y;
camera.position.z += direction2.z;
} else if (distanceCam<10e3){
// STOP The AutoZoomIn
} else {
// document.getElementById("cbZoom").checked = false;
options.MoveSpeed = 1;
//moveSpeed = Math.floor(options.MoveSpeed);
//gui.fSpeedMS.updateDisplay();
}
}
// Follow by Free FPC CAM if Enabled
if (selection && document.getElementById('cbFPS').checked) {
camera.lookAt(selection.mesh.position);
} else if (selection && document.getElementById('cbFollowOrbitCam').checked) {
camera.lookAt(selection.mesh.position);
} else {
if(!pause && isFlybyCam){
//Flyby
if (camera.position.z < 0) {
dx *= -1;
}
camera.position.x += dx;
camera.position.y += dy;
camera.position.z += dz;
//camera.lookAt(earthVec);
//Flyby reset
if (camera.position.z < -100) {
//camera.position.set(0, 35, 70);
}
}
//camera.lookAt(earthVec);
}
}
// INFOS PANEL
$movers_alive_count.html(movers_alive_count + ' / ' + movers.length);
var rapportMasse = maximum_mass / total_mass * 100;
$maximum_mass.html(NumToFormat(maximum_mass));
$maximum_mass.css('color', "#" + biggest.mesh.material.color.getHexString());
$total_mass.html(NumToFormat(total_mass) + ' = ' + NumToFormat(rapportMasse) + '%' );
$largest_pos.html(largest_pos);
$largest_pos.css('color', "#" + biggest.color.getHexString());
// camera infos
if (document.getElementById('cbCam').checked)
$camera_info.html(LogCam() + LogFPCam());
else $camera_info.html('');
// selection info/debug
if (selection) {
$select_infos.html(LogSelection());
$select_infos.css('color', "#" + selection.mesh.material.color.getHexString());
}
// GeneralInfos
if (pause)
document.getElementById('GeneralInfos').innerHTML = 'PAUSE : Press SPACE to Run';
else
document.getElementById('GeneralInfos').innerHTML = 'RUNNING : Press SPACE to Stop';
renderer.render(scene, camera);
requestAnimationFrame(render);
};
render();
function reset() {
console.log("RESET ALL !")
if (movers) {
for (var i = 0; i < movers.length; i = i + 1) {
RemoveMover(movers[i], i);
}
}
movers = []; // important
// Reset Moon Mesh positions
moonS.position.set(rOrbit, 0, 0);
moonT.position.set(rOrbit, 0, 0);
// RESET !
simulationVelocity = new THREE.Vector3(0, 0, -options.MOON_SPEED);
console.log("MOON_SPEED:"+simulationVelocity.length());
moverEarth = AddSpecialMoverFromMesh2(59720 * options.MASS_FACTOR, earth, 'Earth', {colorHex:0x0000ff} );
moverMoonT = AddSpecialMoverFromMesh2( 736 * options.MASS_FACTOR, moonT, 'TheoricMoon', {colorHex:0x7FFF00});
moverMoonS = AddSpecialMoverFromMesh2( 736 * options.MASS_FACTOR, moonS, 'SimulatedMoon', {vel:simulationVelocity});
// SVG LAST CONFIG OPTIONS
// localStorage.setItem("options", JSON.stringify(options));
}
iMoonS = 1;
function reinitMoonS() {
moonS2 = moonS.clone();
iMoonS++;
// Reset Moon Mesh positions
moonS2.position.set(rOrbit, 0, 0);
//moonT.position.set(rOrbit, 0, 0);
simulationVelocity = new THREE.Vector3(0, 0, -options.MOON_SPEED);
console.log("MOON_SPEED:"+simulationVelocity.length());
moverMoonS = AddSpecialMoverFromMesh2( 736 * options.MASS_FACTOR, moonS, 'SimulatedMoon', {vel:simulationVelocity});
}
</script>
</body>
</html>