3d-interface/js/multisphere/MultiSphere.js

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var mesh_number = 25;
var renderer, scene, camera, controls, cube, container, plane, mouse= {x:0, y:0};
var raycaster;
var objects = [];
var spheres = new Array(mesh_number);
var visible = 0;
var loader, previousTime;
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var container_size = {};
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container_size.width = 1067;
container_size.height = 600;
init();
animate();
function loadSphere(i) {
loader.load('/static/data/spheres/' + (i+1) + '.obj', function (object) {
object.traverse(function (child) {
if (child instanceof THREE.Mesh ) {
child.material.color.setHex(0xff0000);
child.up = new THREE.Vector3(0,0,1);
child.geometry.computeFaceNormals();
child.geometry.computeVertexNormals();
}
});
spheres[i] = object;
scene.add(object);
if (i !== 0)
hide(object);
});
}
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function init() {
// on initialise le moteur de rendu
container = document.getElementById('container');
container.style.height = container_size.height + 'px';
container.style.width = container_size.width + 'px';
renderer = new THREE.WebGLRenderer({alpha:"true"});
renderer.setSize(container_size.width, container_size.height);
renderer.shadowMapEnabled = true;
document.getElementById('container').appendChild(renderer.domElement);
// on initialise la scène
scene = new THREE.Scene();
raycaster = new THREE.Raycaster();
// init light
var directional_light = new THREE.DirectionalLight(0xffffff);
directional_light.position.set(1, 0.5, 1).normalize();
directional_light.castShadow = true;
scene.add(directional_light);
var ambient_light = new THREE.AmbientLight(0x444444);
scene.add(ambient_light);
// on initialise la camera que lon place ensuite sur la scène
camera = new Camera(50, container_size.width / container_size.height, 1, 10000);
scene.add(camera);
window.addEventListener('resize', onWindowResize, false);
container.addEventListener('mousedown', click, false);
// Création d'un objloader
loader = new THREE.OBJLoader();
for (var i = 0; i < mesh_number; i++) {
loadSphere(i);
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}
plane = new Plane(1000,1000);
plane.translate(0,0,-100);
plane.addToScene(scene);
}
function animate() {
// on appelle la fonction animate() récursivement à chaque frame
requestAnimationFrame(animate);
var currentTime = Date.now() - previousTime;
camera.update(isNaN(currentTime) ? 20 : currentTime);
previousTime = Date.now();
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camera.look();
renderer.render(scene, camera);
}
function onWindowResize() {
camera.aspect = container.offsetWidth / container.offsetHeight;
camera.updateProjectionMatrix();
renderer.setSize(container.offsetWidth, container.offsetHeight);
renderer.render(scene, camera);
}
function click(event) {
++visible;
visible %= spheres.length;
console.log('Mesh ', visible + 1, ' out of ', spheres.length, ' : ', spheres[visible].children[0].geometry.attributes.position.array.length, ' vertices (with duplication...)');
// hide everything except visible
for (var i in spheres)
{
hide(spheres[i]);
}
show(spheres[visible]);
}
function hide(object) {
object.traverse(function ( object ) { object.visible = false; } );
}
function show(object) {
object.traverse(function ( object ) { object.visible = true; } );
}