Egui integration for nannou

Last update: Oct 12, 2022

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Overview

nannou_egui

This is my egui integration for nannou. The purpose of this is to allow you to tune values for your generative art creations without requiring a compilation cycle.

There are a bunch of rough edges as this is really early in dev (and I am not familiar with webgpu). Most notably, right now you need to have MSAA = 1 in your window settings and scaling doesn't work at the moment. For inspiration on how to expose UI widgets, please check the egui repo as it has a lot of examples. You have sliders, color pickers, checkboxes, dropdownlists and many more widgets available.

For information on how to integrate it to your nannou creations, there's an example in this repo.

To run the circle packing example: cargo run --example circle_packing:

To run the color tune example: cargo run --example tune_color:

Todo

Fixing the current MSAA issue and
Easier integration for storing tunable parameters to disk.
Shortcuts for hiding the UI

Comments

Adding a `egui_demo_app` example

The main repo has a crazy example called egui_demo_app demonstrating everything egui is capable of. Almost all of the work is in egui_demo_lib and it's a published crate. I wonder if we can use the same lib but run the example under nannou_egui instead? Would be a nice test for checking the input events and rendering are all working.

opened by mitchmindtree 1
enable access to create and update TextureId's

Just exposing the functionality that exists in egui_wgpu_backend so we can pass in wgpu::Textures that are loaded in nannou into egui for image_buttons etc..

opened by JoshuaBatty 0
Update to nannou 0.18.1, wgpu 0.11, egui 0.15, egui_wgpu_backend 0.14.
Also updates the methods that involve encoding the render pass to propagate the egui_wgpu_backend Result.

TODO:

[x] Switch from nannou git patch to new version once published.
opened by mitchmindtree 0
Refactor `nannou_egui` and add some basic docs

This refactor aims to clean up the nannou_egui code a little, and provide a slightly more modular, cleaner interface (though for the most part usage is almost identical other than some name changes).

One notable change is the use of RAII to "end the frame". The aim is to avoid the situation where users forget to call end_frame, or accidentally call end_frame on the inner CtxRef rather than top-level API. begin_frame now returns a FrameCtx - a type that derefs to a CtxRef and automatically calls end_frame and tesselates graphics when it is dropped. Users can call FrameCtx::end if they wish to end the frame before drop is invoked. Alternatively, they can just call begin_frame within a block.

@AlexEne let me know your thoughts! I think I'll probably start using this in a large downstream project soon.

This PR is based on #6, so it might be easier to review after merging that first.

opened by mitchmindtree 0
Add some basic free CI testing using github actions

Edit: Ah I'm yet to install any dependencies for the CI just yet - I should do that before this gets merged! Also should run cargo fmt --all, but might be easier after the other PRs are merged or will create a bunch of merge conflicts.

opened by mitchmindtree 0
Create a workspace. Add crate with the official demonstration app.

Currently multi-touch and the hyperlinks aren't working, but I think both wouldn't be too tricky for someone to add in a follow-up PR. I also haven't bothered tracking the CPU usage for the demo app yet, so it just sits at 0.

Otherwise everything else appears to work nicely!

Following this I plan to do some refactoring and add some docs, but I'll get your thoughts on those changes on the next PR.

This PR is based on #5, so it might be worth merging that before this.

opened by mitchmindtree 0
Update dependencies to most recent version, fixes MSAA limitation
Updates:

nannou 0.16 -> 0.17.1

egui 0.10 -> 0.13.1

egui_wgpu_backend 0.6 -> 0.10

It looks like the latest version of the egui wgpu backend can now handle MSAA other than 1. Closes #3.

I also renamed the EguiBackend constructor from new to from_window, as I think it might be worth adding some more constructors e.g. for targeting non-window-frame textures, or from_app where the default window is selected automatically, etc.

I'll likely do some more hacking on this today, I plan on trying to solve #4.
opened by mitchmindtree 0

Owner

Alexandru Ene

Fan of cats and rust, Principal Engineer @ Amazon Prime Video

GitHub

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Egui integration for nannou

Related tags

Overview

nannou_egui

Todo

Comments

Adding a `egui_demo_app` example

enable access to create and update TextureId's

Update to nannou 0.18.1, wgpu 0.11, egui 0.15, egui_wgpu_backend 0.14.

Refactor `nannou_egui` and add some basic docs

Add some basic free CI testing using github actions

Create a workspace. Add crate with the official demonstration app.

Update dependencies to most recent version, fixes MSAA limitation