An implementation of the Jump Flooding Algorithm for the Bevy engine.

Last update: Aug 19, 2022

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Overview

bevy_jfa

The Jump Flooding Algorithm (JFA) for Bevy.

Features

This crate provides an OutlinePlugin that can be used to add outlines to Bevy meshes. See the examples/ directory for examples of API usage.

Setup

To add an outline to a mesh:

Add the OutlinePlugin to the base App.
Add the desired OutlineStyle as an Asset.
Add a CameraOutline component with the desired OutlineStyle to the camera which should render the outline. Currently, outline styling is tied to the camera rather than the mesh.
Add an Outline component to the mesh with enabled: true.

License

Licensed 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

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.

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Comments

upgrade to Bevy 0.8

Thanks a lot for the awesome work!

I have upgraded to 0.8, hope it saves you some work, in case you wanted to do it yourself.

Adding bevy_asset was necessary to get it to compile, adding bevy_winit was necessary to get rid of some warnings with the example and also it wouldn't render anything (I can provide more details on what happened).

Hope it's OK. Please let me know if you have any feedback.

opened by wilk10 1

Bevy 0.9

Objective

bumb to bevy 0.9

Issues

Launching the example we have wgpu error:

2022-11-13T11:16:16.956602Z ERROR wgpu::backend::direct: Handling wgpu errors as fatal by default
thread 'main' panicked at 'wgpu error: Validation Error

Caused by:
    In a RenderPass
      note: encoder = `<CommandBuffer-(0, 1, Metal)>`
    In a set_pipeline command
      note: render pipeline = `jfa_outline_pipeline`
    Render pipeline targets are incompatible with render pass
    Incompatible color attachment: the renderpass expected [Some(Bgra8UnormSrgb)] but was given [Some(Rgba8UnormSrgb)]

', /me/.cargo/registry/src/github.com-1ecc6299db9ec823/wgpu-0.14.0/src/backend/direct.rs:2403:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
-[_MTLCommandEncoder dealloc]:131: failed assertion `Command encoder released without endEncoding'

opened by ManevilleF 0

Extract outline component

The outline component was never extracted which means the outline is always applied to everything. This was probably an artifact of the update to 0.8.

I also fixed a bug where the app would crash when using more than one camera because it was using unwrap instead of returning when the query failed.

opened by IceSentry 0

Owner

GitHub

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