384 lines
9.4 KiB
JavaScript
384 lines
9.4 KiB
JavaScript
var Log = require('../lib/NodeLog.js');
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var L3D = require('../../static/js/l3d.min.js');
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var THREE = require('three');
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function clone(vec) {
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return {x : vec.x, y : vec.y, z : vec.z};
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}
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function rotation(vec1, x, y, z) {
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var cos = Math.cos(z);
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var sin = Math.sin(z);
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var newVec = {x:0, y:0, z:0};
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oldVec = clone(vec1);
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newVec.x = cos * oldVec.x - sin * oldVec.y;
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newVec.y = sin * oldVec.x + cos * oldVec.y;
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newVec.z = oldVec.z;
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oldVec = clone(newVec);
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cos = Math.cos(y);
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sin = Math.sin(y);
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newVec.x = cos * oldVec.x + sin * oldVec.z;
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newVec.y = oldVec.y;
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newVec.z = - sin * oldVec.x + cos * oldVec.z;
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cos = Math.cos(x);
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sin = Math.sin(x);
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oldVec = clone(newVec);
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newVec.x = oldVec.x;
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newVec.y = oldVec.y * cos - oldVec.z * sin;
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newVec.z = oldVec.y * sin + oldVec.z * cos;
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return clone(newVec);
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}
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function applyTransformation(vector, transfo) {
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var ret = rotation(vector, transfo.rotation.x, transfo.rotation.y, transfo.rotation.z);
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var scale = transfo.scale || 1;
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return {
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x: (ret.x + transfo.translation.x) * scale,
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y: (ret.y + transfo.translation.y) * scale,
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z: (ret.z + transfo.translation.z) * scale
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};
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}
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/**
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* Represents a mesh. All meshes are loaded once in geo.availableMesh to avoid
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* loading at each mesh request
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* @constructor
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* @memberOf geo
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*/
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geo.MeshContainer = function(path, transfo, callback) {
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if (callback === undefined && typeof transfo === 'function') {
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callback = transfo;
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transfo = {translation: {x:0,y:0,z:0}, rotation: {x:0,y:0,z:0}};
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}
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if (transfo === undefined) {
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transfo = {translation: {x:0,y:0,z:0}, rotation: {x:0,y:0,z:0}};
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}
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/**
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* array of each part of the mesh
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* @type {geo.Mesh[]}
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*/
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this.meshes = [];
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/**
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* array of the vertices of the meshes (all merged)
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* @type {geo.Vertex[]}
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*/
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this.vertices = [];
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/**
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* array of the faces of the meshes (all merged)
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* @type {geo.Face[]}
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*/
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this.faces = [];
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/**
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* array of the normals of the meshes (all merged)
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* @type {geo.Normal[]}
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*/
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this.normals = [];
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/**
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* array of the texture coordinates (all merged)
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* @type {geo.TexCoord[]}
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*/
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this.texCoords = [];
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/**
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* Number of elements to stream in the mesh
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* @type {Number}
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*/
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this.numberOfFaces = 0;
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this.transfo = transfo;
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this.callback = callback;
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if (path !== undefined) {
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this.loadFromFile('../' + path);
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}
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};
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/**
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* Loads a obj file
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* @param {string} path the path to the file
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*/
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geo.MeshContainer.prototype.loadFromFile = function(path) {
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var self = this;
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fs.readFile(path, {encoding: 'utf-8'}, function(err, data) {
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var currentMesh;
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// Get lines from file
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var lines = data.toString('utf-8').split("\n");
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// For each line
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for (var i = 0; i < lines.length; i++) {
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var line = lines[i];
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if (line[0] === 'v') {
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if (line[1] === 't') {
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// Texture coord
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var texCoord = new geo.TexCoord(line);
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texCoord.index = self.texCoords.length;
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self.texCoords.push(texCoord);
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} else if (line[1] === 'n') {
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var normal = new geo.Normal(line);
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normal.index = self.normals.length;
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self.normals.push(normal);
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} else {
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// Just a simple vertex
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var vertex = new geo.Vertex(line);
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var vertexTransformed = applyTransformation(vertex, self.transfo);
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vertex.x = vertexTransformed.x;
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vertex.y = vertexTransformed.y;
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vertex.z = vertexTransformed.z;
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vertex.index = self.vertices.length;
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self.vertices.push(vertex);
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}
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} else if (line[0] === 'f') {
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self.numberOfFaces++;
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// Create mesh if it doesn't exist
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if (currentMesh === undefined) {
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currentMesh = new geo.Mesh();
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self.meshes.push(currentMesh);
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}
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// Create faces (two if Face4)
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var faces = currentMesh.addFaces(line);
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faces[0].index = self.faces.length;
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faces[0].meshIndex = self.meshes.length - 1;
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self.faces.push(faces[0]);
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if (faces.length === 2) {
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self.numberOfFaces++;
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faces[1].index = self.faces.length;
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faces[1].meshIndex = self.meshes.length - 1;
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self.faces.push(faces[1]);
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}
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} else if (line[0] === 'u') {
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// usemtl
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// If a current mesh exists, finish it
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// Create a new mesh
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currentMesh = new geo.Mesh();
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self.meshes.push(currentMesh);
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currentMesh.material = (new geo.Material(line)).name;
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// console.log(currentMesh.material);
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}
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}
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if (typeof self.callback === 'function') {
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self.callback();
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}
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});
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};
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function trySetLoaded() {
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for (var name in availableMeshNames) {
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if (availableMeshNames[name].done === false) {
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return;
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}
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}
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Log.ready("Meshes loaded in " + (Date.now() - start) + 'ms');
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}
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var availableMeshNames = {
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'/static/data/castle/princess peaches castle (outside).obj': {
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done: false,
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recommendations : L3D.createPeachRecommendations(1134, 768)
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},
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'/static/data/mountain/coocoolmountain.obj': {
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done: false,
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recommendations : L3D.createMountainRecommendations(1134, 768)
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},
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'/static/data/mountain/coocoolmountain_sub.obj': {
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done: false,
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recommendations : L3D.createMountainRecommendations(1134, 768)
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},
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'/static/data/whomp/Whomps Fortress.obj': {
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done: false,
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transfo: {
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rotation: {
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x: -Math.PI / 2,
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y: 0,
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z: Math.PI / 2
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},
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translation: {
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x: 0,
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y: 0,
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z: 0
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},
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scale: 0.1
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},
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recommendations : L3D.createWhompRecommendations(1134, 768)
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},
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'/static/data/whomp/Whomps Fortress_sub.obj': {
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done: false,
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transfo: {
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rotation: {
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x: -Math.PI / 2,
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y: 0,
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z: Math.PI / 2
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},
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translation: {
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x: 0,
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y: 0,
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z: 0
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},
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scale: 0.1
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},
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recommendations : L3D.createWhompRecommendations(1134, 768)
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},
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'/static/data/bobomb/bobomb battlefeild.obj': {
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done: false,
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transfo: {
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rotation: {
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x: 0,
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y: Math.PI - 0.27,
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z: 0
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},
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translation: {
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x: 0,
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y: 0,
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z: 0
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}
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},
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recommendations : L3D.createBobombRecommendations(1134, 768)
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},
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'/static/data/bobomb/bobomb battlefeild_sub.obj': {
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done: false,
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transfo: {
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rotation: {
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x: 0,
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y: Math.PI - 0.27,
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z: 0
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},
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translation: {
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x: 0,
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y: 0,
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z: 0
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}
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},
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recommendations : L3D.createBobombRecommendations(1134, 768)
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},
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'/static/data/sponza/sponza.obj': {
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done: false,
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recommendations : L3D.createSponzaRecommendations(1134,768)
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}
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};
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for (var i = 1; i < 26; i++) {
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availableMeshNames['/static/data/spheres/' + i + '.obj'] = { done: false};
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}
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geo.availableMeshes = {};
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var start = Date.now();
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function pushMesh(name) {
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geo.availableMeshes[name] = new geo.MeshContainer(
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name.substring(1, name.length),
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availableMeshNames[name].transfo,
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function() {
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geo.availableMeshes[name].recommendations = [];
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if (availableMeshNames[name].recommendations !== undefined) {
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for (var i = 0; i < availableMeshNames[name].recommendations.length; i++) {
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var reco = availableMeshNames[name].recommendations[i].camera;
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reco.lookAt(reco.target);
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reco.updateMatrix();
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reco.updateProjectionMatrix();
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reco.updateMatrixWorld();
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reco.matrixWorldInverse.getInverse( reco.matrixWorld );
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var frustum = new THREE.Frustum();
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var projScreenMatrix = new THREE.Matrix4();
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projScreenMatrix.multiplyMatrices(reco.projectionMatrix, reco.matrixWorldInverse);
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frustum.setFromMatrix(new THREE.Matrix4().multiplyMatrices(reco.projectionMatrix, reco.matrixWorldInverse));
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geo.availableMeshes[name].recommendations.push({
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position: reco.position,
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target: reco.target,
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planes: frustum.planes
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});
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}
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}
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availableMeshNames[name].done = true;
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trySetLoaded();
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}
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);
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}
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for (var name in availableMeshNames) {
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pushMesh(name);
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}
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