32 lines
866 B
Rust
32 lines
866 B
Rust
//! Draw geometry using meshes of triangles.
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/// A set of [`Vertex2D`] and indices representing a list of triangles.
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///
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/// [`Vertex2D`]: struct.Vertex2D.html
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#[derive(Clone, Debug)]
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pub struct Mesh2D {
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/// The vertices of the mesh
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pub vertices: Vec<Vertex2D>,
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/// The list of vertex indices that defines the triangles of the mesh.
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///
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/// Therefore, this list should always have a length that is a multiple of
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/// 3.
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pub indices: Vec<u32>,
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}
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/// A two-dimensional vertex with some color in __linear__ RGBA.
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#[derive(Copy, Clone, Debug)]
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#[repr(C)]
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pub struct Vertex2D {
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/// The vertex position
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pub position: [f32; 2],
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/// The vertex color in __linear__ RGBA.
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pub color: [f32; 4],
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}
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#[allow(unsafe_code)]
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unsafe impl bytemuck::Zeroable for Vertex2D {}
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#[allow(unsafe_code)]
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unsafe impl bytemuck::Pod for Vertex2D {}
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