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Transparency issue repro example #424

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Transparency issue repro example #424

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Binary file added examples/static-gltf/repro.glb
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14 changes: 11 additions & 3 deletions examples/static-gltf/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ fn load_gltf(
let (doc, datas, _) = gltf::import(path).unwrap();
let mesh_data = doc.meshes().next().expect("no meshes in data.glb");

let primitive = mesh_data.primitives().next().expect("no primitives in data.glb");
let primitive = mesh_data.primitives().next().expect("no primitives in repro.glb");
let reader = primitive.reader(|b| Some(&datas.get(b.index())?.0[..b.length()]));

let vertex_positions: Vec<_> = reader.read_positions().unwrap().map(glam::Vec3::from).collect();
Expand Down Expand Up @@ -74,12 +74,20 @@ impl rend3_framework::App for GltfExample {
// Create mesh and calculate smooth normals based on vertices.
//
// We do not need to keep these handles alive once we make the object
let (mesh, material) = load_gltf(renderer, concat!(env!("CARGO_MANIFEST_DIR"), "/data.glb"));
let (mesh, material) = load_gltf(renderer, concat!(env!("CARGO_MANIFEST_DIR"), "/repro.glb"));


let material_override = rend3_routine::pbr::PbrMaterial {
albedo: rend3_routine::pbr::AlbedoComponent::Value(glam::Vec4::new(0.0, 0.5, 0.5, 0.5)),
transparency: rend3_routine::pbr::Transparency::Blend,
..rend3_routine::pbr::PbrMaterial::default()
};
let material_override = renderer.add_material(material_override);

// Combine the mesh and the material with a location to give an object.
let object = rend3::types::Object {
mesh_kind: rend3::types::ObjectMeshKind::Static(mesh),
material,
material: material_override,
transform: glam::Mat4::from_scale(glam::Vec3::new(1.0, 1.0, -1.0)),
};
// We need to keep the object alive.
Expand Down