shura 0.6.0

A fast cross-plattform 2D component-based game framework
Documentation 
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use crate::Vector;
use std::mem;

/// Single vertex of a model. Which hold the coordniate of the vertex and the texture coordinates.
#[repr(C)]
#[derive(Copy, Clone, Debug, bytemuck::Pod, bytemuck::Zeroable)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Vertex {
    pub pos: Vector<f32>,
    pub tex_coords: Vector<f32>,
}

impl Vertex {
    pub const fn new(pos: Vector<f32>, tex_coords: Vector<f32>) -> Self {
        Vertex { pos, tex_coords }
    }

    pub const fn desc<'a>() -> wgpu::VertexBufferLayout<'a> {
        wgpu::VertexBufferLayout {
            array_stride: mem::size_of::<Self>() as wgpu::BufferAddress,
            step_mode: wgpu::VertexStepMode::Vertex,
            attributes: &[
                wgpu::VertexAttribute {
                    offset: 0,
                    shader_location: 0,
                    format: wgpu::VertexFormat::Float32x4,
                },
                wgpu::VertexAttribute {
                    offset: mem::size_of::<[f32; 2]>() as wgpu::BufferAddress,
                    shader_location: 1,
                    format: wgpu::VertexFormat::Float32x2,
                },
            ],
        }
    }
}

#[repr(C)]
#[derive(Copy, Clone, Debug, Eq, PartialEq, bytemuck::Pod, bytemuck::Zeroable)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
/// Represents the order in which [Vertices](Vertex) are drawn in a triangle.
pub struct Index {
    pub a: u32,
    pub b: u32,
    pub c: u32,
}

impl Index {
    pub const fn new(a: u32, b: u32, c: u32) -> Self {
        Self { a, b, c }
    }
}