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script.js
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script.js
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(function () {
var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 0.1, 1000 );
var renderer;
var geometry, material, sphere;
function init () {
var initPromise = new Promise(function (resolve, reject) {
if (Detector.webgl) { // WebGL
renderer = new THREE.WebGLRenderer();
resolve();
} else { // Canvas
/* Load script */
var head = document.getElementsByTagName('head')[0];
var allFilesPromises = [];
var filesToLoad = [
'dependencies/CanvasRenderer.js',
'dependencies/Projector.js'
];
filesToLoad.forEach(function (file) {
var filePromise = new Promise(function (resolve, reject) {
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = file;
script.onload = function () {
resolve();
};
script.onerror = function () {
console.error(file + ' does not load');
reject('Error loading : ' + file);
};
head.appendChild(script);
});
allFilesPromises.push(filePromise);
});
/* Set renderer */
Promise.all(allFilesPromises)
.then(function () {
renderer = new THREE.CanvasRenderer();
resolve();
})
.catch(function () {
console.error('Error loading external resources');
reject('Error loading external resources');
});
}
});
return initPromise;
}
function createWorld () {
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
camera.position.z = 5;
geometry = new THREE.SphereGeometry(2, 50, 50, 0, Math.PI * 2, 0, Math.PI);
material = new THREE.MeshBasicMaterial();
sphere = new THREE.Mesh(geometry, material);
scene.add(sphere);
sphere.rotation.x = 0.7;
sphere.rotation.y = -1.6;
var loader = new THREE.TextureLoader();
loader.load(
'land_ocean_ice_cloud_2048.jpg',
function (texture) { // Function when resource is loaded
scene.remove(sphere);
material = new THREE.MeshBasicMaterial({map: texture});
sphere.material = material;
scene.add(sphere);
},
function (xhr) { // Function called when download progresses
console.log((xhr.loaded / xhr.total * 100) + '% loaded');
},
function (xhr) { // Function called when download errors
console.error('An error happened');
}
);
function render() {
requestAnimationFrame(render);
sphere.rotation.y -= 0.005;
renderer.render(scene, camera);
}
render();
}
init()
.then(function () {
createWorld();
})
.catch(function () {
window.alert('Une erreur est survenue. Veuillez réessayer puis contacter un administrateur si le problème persiste.');
});
})();