102 lines
2.5 KiB
JavaScript
102 lines
2.5 KiB
JavaScript
var ProgressiveLoader = function(res, scene) {
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// Create mesh
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var geometry = new THREE.Geometry();
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geometry.dynamic = true;
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var material = new THREE.MeshLambertMaterial();
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material.color.setRGB(1,0,0);
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material.side = THREE.DoubleSide;
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var mesh = new THREE.Mesh(geometry, material);
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mesh.up = new THREE.Vector3(0,0,1);
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var added = false;
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var finished = false;
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var socket = io();
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// Init streaming with socket
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socket.emit('request', res);
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// When server's ready, start asking for the mesh
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socket.on('ok', function() {
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socket.emit('next');
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});
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// When receiving elements
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socket.on('elements', function(arr) {
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if (!finished) {
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socket.emit('next');
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}
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// Launch this code in async
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setTimeout(function() {
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// We'll receive an array of string (obj)
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for (var i = 0; i < arr.length; i++) {
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var elts = arr[i];
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// console.log(line);
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if (elts[0] === 'v') {
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mesh.geometry.vertices.push(new THREE.Vector3(
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elts[1],
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elts[2],
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elts[3]
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));
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mesh.geometry.verticesNeedUpdate = true;
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} else if (elts[0] === 'f') {
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if (elts[4])
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elts[4] = parseInt(elts[4]);
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mesh.geometry.faces.push(new THREE.Face3(
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elts[1],
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elts[2],
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elts[3]
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));
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// If the face has 4 vertices, create second triangle
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if (elts[4]) {
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mesh.geometry.faces.push(new THREE.Face3(
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elts[1],
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elts[3],
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elts[4]
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));
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}
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// Add mesh to scene one there are a few faces in it
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if (!added) {
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scene.add(mesh);
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added = true;
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}
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}
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}
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mesh.geometry.computeFaceNormals();
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mesh.geometry.groupsNeedUpdate = true;
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mesh.geometry.elementsNeedUpdate = true;
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mesh.geometry.normalsNeedUpdate = true;
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},0);
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});
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socket.on('disconnect', function() {
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console.log("Finished");
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finished = true;
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});
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return mesh;
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}
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