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When creating a GLTF file, make the material double sided to fix a bug where some surfaces were transparent. This will allow surfaces created from a mesh to be be viewed from all angles regardless of the shape of the mesh or the directions of the normals.

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Chetan
2023-07-31 15:38:51 +08:00
committed by Thomas Krijnen
parent e0b4c1a810
commit 08d8657588
1 changed files with 1 additions and 1 deletions
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src/serializers/GltfSerializer.cpp
+1 -1
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@@ -98,7 +98,7 @@ int GltfSerializer::writeMaterial(const IfcGeom::Material& style) {
base[3] = 1. - style.transparency(); base[3] = 1. - style.transparency();
} }
json_["materials"].push_back({ {"pbrMetallicRoughness", {{"baseColorFactor", base}, {"metallicFactor", 0}}} }); json_["materials"].push_back({ {"doubleSided", true}, {"pbrMetallicRoughness", {{"baseColorFactor", base}, {"metallicFactor", 0}}} });
if (style.hasTransparency() && style.transparency() > 1.e-9) { if (style.hasTransparency() && style.transparency() > 1.e-9) {
json_["materials"].back()["alphaMode"] = "BLEND"; json_["materials"].back()["alphaMode"] = "BLEND";