rustial-renderer-wgpu 1.0.0

Pure WGPU renderer for the rustial 2.5D map engine
Documentation 
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//! Vertex type for 3D model rendering.

use bytemuck::{Pod, Zeroable};

/// A vertex for 3D model geometry with position, normal, and UV.
#[repr(C)]
#[derive(Debug, Clone, Copy, Pod, Zeroable)]
pub struct ModelVertex {
    /// Position `[x, y, z]` in model space.
    pub position: [f32; 3],
    /// Normal vector `[nx, ny, nz]`.
    pub normal: [f32; 3],
    /// Texture coordinate `[u, v]`.
    pub uv: [f32; 2],
}

impl ModelVertex {
    /// Vertex buffer layout for the model pipeline.
    pub fn layout() -> wgpu::VertexBufferLayout<'static> {
        wgpu::VertexBufferLayout {
            array_stride: std::mem::size_of::<ModelVertex>() as wgpu::BufferAddress,
            step_mode: wgpu::VertexStepMode::Vertex,
            attributes: &[
                wgpu::VertexAttribute {
                    offset: 0,
                    shader_location: 0,
                    format: wgpu::VertexFormat::Float32x3,
                },
                wgpu::VertexAttribute {
                    offset: std::mem::size_of::<[f32; 3]>() as wgpu::BufferAddress,
                    shader_location: 1,
                    format: wgpu::VertexFormat::Float32x3,
                },
                wgpu::VertexAttribute {
                    offset: (std::mem::size_of::<[f32; 3]>() * 2) as wgpu::BufferAddress,
                    shader_location: 2,
                    format: wgpu::VertexFormat::Float32x2,
                },
            ],
        }
    }
}