pretty_text 0.1.0

# use bevy::prelude::*;
# use bevy_pretty_text::prelude::*;
# use bevy_pretty_text::material::PrettyTextMaterialAppExt;
# use bevy::render::render_resource::{AsBindGroup, ShaderRef};
# use bevy::sprite::{AlphaMode2d, Material2d};
#
#[derive(Clone, Asset, TypePath, AsBindGroup, TextMaterial2d)]
pub struct MyMaterial {
    /// Font atlas texture handle.
    #[texture(0)]
    #[sampler(1)]
    #[pretty_text(atlas)] // <-- You must provide an `atlas` field
    pub atlas: Handle<Image>,

    #[uniform(2)]
    pub intensity: f32,

    #[uniform(3)]
    pub radius: f32,
}

// Provide default values for the derived `TextMaterial2d`.
impl Default for MyMaterial {
    fn default() -> Self {
        Self {
            atlas: Default::default(),
            intensity: 0.02,
            radius: 4.0,
        }
    }
}

// Implement `Bevy`'s `Material2d` trait.
impl Material2d for MyMaterial {
    fn vertex_shader() -> ShaderRef {
        // Write a custom vertex shader
        "my_shader.wgsl".into()
        // Or use the default glyph vertex shader
        // DEFAULT_GLYPH_SHADER_HANDLE.into()
    }

    fn fragment_shader() -> ShaderRef {
        // Write a custom fragment shader
        "my_shader.wgsl".into()
        // Or use the default glyph fragment shader
        // DEFAULT_GLYPH_SHADER_HANDLE.into()
    }

    fn alpha_mode(&self) -> AlphaMode2d {
        AlphaMode2d::Blend
    }
}

# let mut app = App::default();
// Registering `MyEffect`.
app.register_pretty_material::<MyMaterial>("my_material");

# let mut world = World::new();
// Using `MyMaterial`.
world.spawn(pretty!("`my text span`[my_material]"));

// Using `MyMaterial` with arguments.
world.spawn(pretty!("`my text span`[my_material(1)]"));
world.spawn(pretty!("`my text span`[my_material(1, 1)]"));