bevy_tiling_background 0.12.0

A plugin to make tiling, layered, and parallax backgrounds for bevy2D
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#define_import_path braymatter::bglib

fn scroll(
    tex: texture_2d<f32>,
    texture_sampler: sampler,
    scale: f32,
    uv: vec2<f32>,
    offset: vec2<f32>,
    viewport_size: vec2<f32>,
) -> vec4<f32>{
    let new_offset = vec2<f32>(-offset.x, offset.y);

    var new_uv = uv - (new_offset * scale);
    let tex_dim = textureDimensions(tex);

    new_uv = new_uv * ( viewport_size / vec2<f32>(tex_dim) );

    let color = textureSample(tex, texture_sampler, new_uv);

    return color;
}