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glTF2: use opacity for diffuse alpha + alphaMode 

The "transparency" attribute is unused in glTF2.
pull/1363/head
jamesgk 2017-07-26 14:39:35 -07:00
parent acf8c54e55
commit b7b17b03ec
1 changed files with 7 additions and 4 deletions
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11
code/glTF2AssetWriter.inl
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@ -212,17 +212,20 @@ namespace glTF2 {
inline void Write(Value& obj, Material& m, AssetWriter& w) inline void Write(Value& obj, Material& m, AssetWriter& w)
{ {
if (m.transparent) {
obj.AddMember("alphaMode", "BLEND", w.mAl);
}
Value v; Value v;
v.SetObject(); v.SetObject();
{ {
if (m.transparent && !m.diffuse.texture) {
m.diffuse.color[3] = m.transparency;
}
WriteColorOrTex(v, m.ambient, m.ambient.texture ? "ambientTexture" : "ambientFactor", w.mAl); WriteColorOrTex(v, m.ambient, m.ambient.texture ? "ambientTexture" : "ambientFactor", w.mAl);
WriteColorOrTex(v, m.diffuse, m.diffuse.texture ? "diffuseTexture" : "diffuseFactor", w.mAl); WriteColorOrTex(v, m.diffuse, m.diffuse.texture ? "diffuseTexture" : "diffuseFactor", w.mAl);
WriteColorOrTex(v, m.specular, m.specular.texture ? "specularTexture" : "specularFactor", w.mAl); WriteColorOrTex(v, m.specular, m.specular.texture ? "specularTexture" : "specularFactor", w.mAl);
WriteColorOrTex(v, m.emission, m.emission.texture ? "emissionTexture" : "emissionFactor", w.mAl); WriteColorOrTex(v, m.emission, m.emission.texture ? "emissionTexture" : "emissionFactor", w.mAl);
if (m.transparent)
v.AddMember("transparency", m.transparency, w.mAl);
v.AddMember("shininessFactor", m.shininess, w.mAl); v.AddMember("shininessFactor", m.shininess, w.mAl);
} }
v.AddMember("type", "commonPhong", w.mAl); v.AddMember("type", "commonPhong", w.mAl);