Added compress flag and updated version number

CHANGES.md

@@ -1,6 +1,10 @@
 Change Log
 ==========
 
+### 0.1.4 2016-08-25
+
+* Added compression flag for quantizing positions, compressing texture coordinates, and oct-encoding normals.
+
 ### 0.1.3 - 2016-08-08
 
 * Fixed a bug causing models with no mtl file to not convert.

bin/obj2gltf.js

@@ -13,6 +13,7 @@ if (process.argv.length < 3 || defined(argv.h) || defined(argv.help)) {
     console.log('  -b, --binary            Output binary glTF');
     console.log('  -s --separate           Writes out separate geometry/animation data files, shader files, and textures instead of embedding them in the glTF file.');
     console.log('  -t --separateImage      Write out separate textures only.');
+    console.log('  -c --compress           Quantize positions, compress texture coordinates, and oct-encode normals.');
     console.log('  -h, --help              Display this help');
     console.log('      --ao                Apply ambient occlusion to the converted model');
     console.log('      --cesium            Optimize the glTF for Cesium by using the sun as a default light source.');
@@ -24,7 +25,7 @@ var outputPath = defaultValue(argv._[1], defaultValue(argv.o, argv.output));
 var binary = defaultValue(defaultValue(argv.b, argv.binary), false);
 var separate = defaultValue(defaultValue(argv.s, argv.separate), false);
 var separateImage = defaultValue(defaultValue(argv.t, argv.separateImage), false);
-var quantize = defaultValue(defaultValue(argv.q, argv.quantize), false); // Undocumented option
+var compress = defaultValue(defaultValue(argv.c, argv.compress), false);
 var ao = defaultValue(argv.ao, false);
 var optimizeForCesium = defaultValue(argv.cesium, false);
 
@@ -38,7 +39,7 @@ var options = {
     binary : binary,
     embed : !separate,
     embedImage : !separateImage,
-    quantize : quantize,
+    compress : compress,
     ao : ao,
     optimizeForCesium : optimizeForCesium
 };

lib/convert.js

@@ -1,6 +1,6 @@
 "use strict";
 var path = require('path');
-var gltfPipeline = require('gltf-pipeline').gltfPipeline;
+var GltfPipeline = require('gltf-pipeline').Pipeline;
 var parseObj = require('./obj');
 var createGltf = require('./gltf');
 var Cesium = require('cesium');
@@ -14,7 +14,7 @@ function convert(objFile, outputPath, options) {
     var binary = defaultValue(options.binary, false);
     var embed = defaultValue(options.embed, true);
     var embedImage = defaultValue(options.embedImage, true);
-    var quantize = defaultValue(options.quantize, false);
+    var compress = defaultValue(options.compress, false);
     var ao = defaultValue(options.ao, false);
     var optimizeForCesium = defaultValue(options.optimizeForCesium, false);
 
@@ -48,12 +48,13 @@ function convert(objFile, outputPath, options) {
                 binary: binary,
                 embed: embed,
                 embedImage: embedImage,
-                quantize: quantize,
+                octEncodeNormals: compress,
+                quantize: compress,
                 aoOptions: aoOptions,
                 optimizeForCesium : optimizeForCesium,
                 createDirectory: false,
                 basePath: inputPath
             };
-            return gltfPipeline.processJSONToDisk(gltf, gltfFile, options);
+            return GltfPipeline.processJSONToDisk(gltf, gltfFile, options);
         });
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "obj2gltf",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "Convert OBJ model format to glTF",
   "license": "Apache-2.0",
   "contributors": [
@@ -31,7 +31,7 @@
     "byline": "4.2.1",
     "cesium": "1.23.0",
     "fs-extra": "0.30.0",
-    "gltf-pipeline": "0.1.0-alpha3",
+    "gltf-pipeline": "0.1.0-alpha4",
     "yargs": "4.7.1"
   },
   "devDependencies": {

specs/lib/convertSpec.js

@@ -1,7 +1,7 @@
 'use strict';
 var Promise = require('bluebird');
 
-var gltfPipeline = require('gltf-pipeline').gltfPipeline;
+var GltfPipeline = require('gltf-pipeline').Pipeline;
 var path = require('path');
 var convert = require('../../lib/convert');
 
@@ -10,7 +10,7 @@ var gltfFile = './specs/data/BoxTextured/BoxTextured.gltf';
 
 describe('convert', function() {
     it('converts an obj to gltf', function(done) {
-        var spy = spyOn(gltfPipeline, 'processJSONToDisk').and.callFake(function(gltf, outputPath, options, callback) {
+        var spy = spyOn(GltfPipeline, 'processJSONToDisk').and.callFake(function(gltf, outputPath, options, callback) {
             return;
         });
         expect(convert(objFile, gltfFile, {})