bump to 0.2.1

add test for scene parsing

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nanogl-gltf",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "gltf loader",
   "scripts": {
     "test": "karma start",

test/scene_test.ts

@@ -0,0 +1,46 @@
+import expect from 'expect.js';
+import Gltf from '../src/Gltf';
+import WebGltfIO from '../src/io/web';
+import GltfTypes from '../src/types/GltfTypes';
+
+
+describe("Animation Sampler", function () {
+
+  let gltf :Gltf;
+
+  before(function () {
+    return WebGltfIO.loadGltf('samples/other/khronos/lights.gltf').then( res=>gltf=res )
+  });
+
+
+
+  describe("scene access", function () {
+
+    it("with getElement", function () {
+      expect( gltf.getElement( GltfTypes.SCENE, 0 ) ).to.be.ok()
+    })
+
+    it("with scenes", function () {
+      expect( gltf.scenes.length ).to.be(1)
+    })
+
+  })
+
+  describe("scene is ok", function () {
+
+
+    it("scene name is set", function () {
+      expect( gltf.scenes[0].name ).to.be("scene")
+    });
+
+    it("scene has 3 nodes", function () {
+      expect( gltf.scenes[0].nodes.length ).to.be(3)
+    });
+
+    it("scene second node is ok", function () {
+      expect( gltf.scenes[0].nodes[1].name ).to.be("directional_light")
+    });
+
+  });
+
+});