Macro aframe::scene

macro_rules! scene {
    ($(attributes : $(($attr_id : literal, $attr_value : expr)), *) ? $(,) ?
 assets : $assets : expr,
 $(components : $(($cmp_id : literal, $cmp_value : expr)), *) ? $(,) ?
 $(children : $($child : expr), *) ?) => { ... };
}

Provided to define a Scene struct.

let aframe_scene = scene!
{
    attributes: ("style", "min-height: 50px;"),

    assets: assets!
    {
        Image::new("image-name", "/my-image.png")
    }

    components: ("embedded", component!(Embedded)),

    children:
    entity!
    {
        attributes: ("id", "test-entity"),
        components: ("position", component!(component::Position)),
    }
}