bevy/crates/bevy_pbr/src/render/wireframe.wgsl
IceSentry 068e42a01f
Configurable colors for wireframe (#5303)
# Objective

- Make the wireframe colors configurable at the global level and the
single mesh level
- Based on https://github.com/bevyengine/bevy/pull/5314

This video shows what happens when playing with various settings from
the example


https://github.com/bevyengine/bevy/assets/8348954/1ee9aee0-fab7-4da8-bc5d-8d0562bb34e6

## Solution

- Add a `color` field to the `WireframeMaterial`
- Use a `WireframeColor` component to configure the color per entity
- Add a `default_color` field to `WireframeConfig` for global wireframes
or wireframes with no specified color.

## Notes

- Most of the docs and the general idea for `WireframeColor` came from
[UberLambda](https://github.com/UberLambda) in #3677 but the code ended
up completely different so I created a separate branch. ~~I'm not sure
how to correctly credit them on this PR.~~ (I re-created the commit but
I added them as co-author in the commit message)

~~Closes https://github.com/bevyengine/bevy/pull/3677~~
~~Closes https://github.com/bevyengine/bevy/pull/5301~~

~~https://github.com/bevyengine/bevy/pull/5314 should be merged before
this PR.~~
2023-10-13 00:06:24 +00:00

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WebGPU Shading Language

#import bevy_pbr::mesh_vertex_output MeshVertexOutput
struct WireframeMaterial {
color: vec4<f32>,
};
@group(1) @binding(0)
var<uniform> material: WireframeMaterial;
@fragment
fn fragment(in: MeshVertexOutput) -> @location(0) vec4<f32> {
return material.color;
}