bevy_mod_opacity

Hierarchical opacity for bevy.

The Opacity component

When Opacity is inserted to an entity, the entity and all its descendants will be affected by the opacity value. Unlike bevy components like Visibility Opacity does not need to be put on every entity in the tree. Entities with no Opacity ancestor will not be affected by this crate.

Support for native types

We innately support 2d, 3d and ui, this includes Sprite, TextColor, StandardMaterial, ColorMaterial, Image, BackgroundColor and ForegroundColor.

Additionally you can implement OpacityQuery or derive Opacity to make your own types and materials work with this crate. Combining OpacityQuery with custom QueryData can add support for third party types.

Fade in and fade out

Call functions like Opacity::fade_in and Opacity::fade_out to fade items in and out via tweening. fade_out can also be responsible for deleting the entity.

FAQ

• My 3d scene is not fading correctly

Ensure materials are duplicated and unique, since we write to the underlying material directly. Also make sure AlphaMode is set to Blend if applicable.

Versions

License

License under either of

Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0) MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT) at your option.

Contribution

Contributions are welcome!

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.