bevy_lit 0.9.1

A lighting 2d library for Bevy
Documentation 
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#import bevy_render::{
    maths::affine3_to_square,
    view::View,
}
#import bevy_lit::light2d_common::{VertexOutput, view}

struct VertexInput {
    @builtin(vertex_index) index: u32,
    // NOTE: Instance-rate vertex buffer members prefixed with i_
    // NOTE: i_model_transpose_colN are the 3 columns of a 3x4 matrix that is the transpose of the
    // affine 4x3 model matrix.
    @location(0) i_model_transpose_col0: vec4<f32>,
    @location(1) i_model_transpose_col1: vec4<f32>,
    @location(2) i_model_transpose_col2: vec4<f32>,
    @location(3) i_original_translation_rotation: vec4<f32>,
}

@vertex
fn vertex(in: VertexInput) -> VertexOutput {
    var out: VertexOutput;

    let vertex_position = vec3<f32>(
        f32(in.index & 0x1u),
        f32((in.index & 0x2u) >> 1u),
        0.0
    );

    out.clip_position = view.clip_from_world * affine3_to_square(mat3x4<f32>(
        in.i_model_transpose_col0,
        in.i_model_transpose_col1,
        in.i_model_transpose_col2,
    )) * vec4<f32>(vertex_position, 1.0);
    out.uv = vec2<f32>(vertex_position.x, 1.0 - vertex_position.y);
    out.translation_rotation = in.i_original_translation_rotation;

    return out;
}