Added test and updated CHANGES.md

This commit is contained in:
Sean Lilley 2017-09-19 13:09:58 -04:00
parent e36668ab14
commit 3015383fa3
4 changed files with 77 additions and 0 deletions

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@ -1,6 +1,10 @@
Change Log
==========
### 2.1.0 ???
* Improved handling of materials with alpha. If the alpha value is 0.0 it is now treated as 1.0. [#107](https://github.com/AnalyticalGraphicsInc/obj2gltf/pull/107)
### 2.0.0 2017-08-11
* Breaking changes

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# Blender MTL File: 'None'
# Material Count: 1
newmtl Material
Ns 96.078431
Ka 0.100000 0.000000 0.000000
Kd 0.640000 0.640000 0.640000
Ks 0.500000 0.500000 0.500000
Ke 0.000000 0.000000 0.100000
Ni 1.000000
d 0.000000
illum 2

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# Blender v2.78 (sub 0) OBJ File: ''
# www.blender.org
mtllib box-transparent.mtl
o Cube
v -1.000000 -1.000000 1.000000
v -1.000000 1.000000 1.000000
v -1.000000 -1.000000 -1.000000
v -1.000000 1.000000 -1.000000
v 1.000000 -1.000000 1.000000
v 1.000000 1.000000 1.000000
v 1.000000 -1.000000 -1.000000
v 1.000000 1.000000 -1.000000
vt 0.0000 0.0000
vt 1.0000 0.0000
vt 1.0000 1.0000
vt 0.0000 1.0000
vt 0.0000 0.0000
vt 1.0000 0.0000
vt 1.0000 1.0000
vt 0.0000 1.0000
vt 0.0000 0.0000
vt 1.0000 0.0000
vt 1.0000 1.0000
vt 0.0000 1.0000
vt 0.0000 0.0000
vt 1.0000 0.0000
vt 1.0000 1.0000
vt 0.0000 1.0000
vt 1.0000 0.0000
vt 1.0000 1.0000
vt 0.0000 0.0000
vt 0.0000 1.0000
vn -1.0000 0.0000 0.0000
vn 0.0000 0.0000 -1.0000
vn 1.0000 0.0000 0.0000
vn 0.0000 0.0000 1.0000
vn 0.0000 -1.0000 0.0000
vn 0.0000 1.0000 0.0000
usemtl Material
s off
f 1/1/1 2/2/1 4/3/1 3/4/1
f 3/5/2 4/6/2 8/7/2 7/8/2
f 7/9/3 8/10/3 6/11/3 5/12/3
f 5/13/4 6/14/4 2/15/4 1/16/4
f 3/5/5 7/17/5 5/18/5 1/16/5
f 8/19/6 4/6/6 2/15/6 6/20/6

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@ -13,6 +13,7 @@ var coloredMaterialPath = 'specs/data/box/box.mtl';
var texturedMaterialPath = 'specs/data/box-complex-material/box-complex-material.mtl';
var multipleMaterialsPath = 'specs/data/box-multiple-materials/box-multiple-materials.mtl';
var externalMaterialPath = 'specs/data/box-external-resources/box-external-resources.mtl';
var transparentMaterialPath = 'specs/data/box-transparent/box-transparent.mtl';
var diffuseTexturePath = 'specs/data/box-textured/cesium.png';
var transparentDiffuseTexturePath = 'specs/data/box-complex-material/diffuse.png';
@ -186,6 +187,20 @@ describe('loadMtl', function() {
}), done).toResolve();
});
it('alpha of 0.0 is treated as 1.0', function(done) {
expect(loadMtl(transparentMaterialPath, options)
.then(function(materials) {
expect(materials.length).toBe(1);
var material = materials[0];
var pbr = material.pbrMetallicRoughness;
expect(pbr.baseColorTexture).toBeUndefined();
expect(pbr.metallicRoughnessTexture).toBeUndefined();
expect(pbr.baseColorFactor[3]).toEqual(1.0);
expect(material.alphaMode).toBe('OPAQUE');
expect(material.doubleSided).toBe(false);
}), done).toResolve();
});
describe('metallicRoughness', function() {
it('creates default material', function() {
var material = loadMtl._createMaterial(undefined, options);