Codestin Search App

Adding `bevy_flicker` library as a dependency

Run this command in a terminal, in your project's directory:

cargo add bevy_flicker

To add it manually, edit your project's Cargo.toml file and add to the [dependencies] section:

bevy_flicker = "0.8.0"

The bevy_flicker library will be automatically available globally. Read the bevy_flicker library documentation.

Back to the crate overview.

Readme

Bevy Flicker

This plugin facilitates creating a brief overlay/mix of a specific color over a sprite or mesh.

To trigger a flicker, you can send a FlickerStartEvent, which will contain the parameters that dictate the color, length, and strength of the flicker.

Included is also a RepeatingFlicker component that will send a FlickerStartEvent on an interval.

This also works on textures with alpha, the overlay takes into account the alpha of the underlying texture and will adjust the overlay alpha so that it's intensity is proportional between different underlying alpha values. So an underlying 0.2 alpha value will reduce the alpha of the overlay by 80%. For alpha values of 0, the overlay's alpha will also be 0.
See this alpha example for a visual of this effect, you will notice that the underlying color is still looks consistent across the sprite.

See more, complete examples (some shown below) here

use bevy_flicker::prelude::*;

fn tick(query: Query<Entity>, mut event_writer: EventWriter<FlickerStartEvent>) {
    for e in query.iter() {
        event_writer.send(
            FlickerStartEvent::builder(e)
                .with_secs(0.5)
                .with_color(Color::rgba(0.0, 0.0, 1.0, 0.2))
                .build(),
        );
    }
}

Visual Examples

`cargo run --example sprite_flicker`

`cargo run --example mesh_flicker`

`cargo run --example alpha_flicker`

Adding bevy_flicker library as a dependency

Adding `bevy_flicker` library as a dependency