modelio-rs 0.2.4

Safe Rust bindings for Apple's ModelIO framework — assets, meshes, materials, lights, cameras, voxels, textures, and animation on macOS
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use modelio::prelude::*;

#[test]
fn vertex_attribute_and_descriptor_surfaces_are_available() {
    let mesh = Mesh::new_box([1.0, 1.0, 1.0], [1, 1, 1], false, GeometryType::Triangles)
        .expect("box mesh");
    let descriptor = mesh.vertex_descriptor().expect("vertex descriptor");
    let descriptor_info = descriptor.info().expect("descriptor info");
    assert!(descriptor_info.attribute_count > 0);

    let attribute =
        VertexAttribute::new("custom", vertex_format::FLOAT3, 0, 0).expect("custom attribute");
    attribute.set_initialization_value([0.0, 0.0, 0.0, 1.0]);
    assert_eq!(attribute.info().expect("attribute info").buffer_index, 0);

    let layout = VertexBufferLayout::new(32).expect("vertex buffer layout");
    layout.set_stride(48);
    assert_eq!(layout.stride(), 48);
    assert!(!descriptor.layouts().is_empty());
    assert!(vertex_attribute_name::position().is_some());
}