ChristopherBiscardi

Bevy’s 4th birthday.

Its Bevy’s 4th birthday and while I’ve been around for a couple of previous birthday posts I’ve never written something myself.

This year I chose to step up into some additional maintainer duties on ecosystem crates like bevy_ecs_tilemap, which I consider foundational and important to update to new versions, and I started This Week in Bevy, which I’ll talk about a bit more later.

Why Bevy?

The overriding reason I started writing Rust in the first place is that it expanded the kinds of programs I could write. Game development falls into that category, so I started working with Bevy a number of years ago, before there were regular releases, but really ramped up when 0.8 introduced the Material APIs which really inspired me to dig deeper into rendering, and feel like this year was an

ChristopherBiscardi

diff --git a/examples/mouse_to_tile.rs b/examples/mouse_to_tile.rs
index 9ea13ec..3b03fc0 100644
--- a/examples/mouse_to_tile.rs
+++ b/examples/mouse_to_tile.rs
@@ -1,4 +1,8 @@
-use bevy::{color::palettes, math::Vec4Swizzles};
+use bevy::{
+    color::palettes::{self, tailwind::GREEN_400},
+    math::Vec4Swizzles,
+    sprite::MaterialMesh2dBundle,

ChristopherBiscardi

use bevy::prelude::*;

fn main() {
    App::new()
        .add_plugins(DefaultPlugins)
        .add_systems(
            Update,
            (
                produce,
                read_one.run_if(on_event::<MyEvent>()),

ChristopherBiscardi

use bevy::{ecs::system::EntityCommand, prelude::*};

fn main() {
    App::new()
        .add_plugins(DefaultPlugins)
        .add_systems(Startup, (startup, log).chain())
        .run();
}

fn startup(mut commands: Commands) {

ChristopherBiscardi

use std::ops::Deref;

use bevy::{color::palettes::tailwind::*, prelude::*};
use calc::*;
use itertools::Itertools;
use rust_decimal::prelude::*;

fn main() {
    App::new()
        .insert_resource(ClearColor(SLATE_950.into()))

ChristopherBiscardi

This updates the shield depth prepass from the Bevy 0.10 post to Bevy 0.14.

https://bevyengine.org/news/bevy-0-10/#depth-and-normal-prepass

ChristopherBiscardi

# Compilation provided by Compiler Explorer at https://godbolt.org/
example::no_pow:
        push    rax
        mov     eax, edi
        sub     eax, 1
        mov     dword ptr [rsp + 4], eax
        cmp     edi, 1
        setb    al
        test    al, 1
        jne     .LBB0_2

ChristopherBiscardi

use color_eyre::eyre::{Result, Context};
use nom::{
    bytes::complete::tag,
    character::complete::alpha1,
    combinator::rest,
    error::{ErrorKind, ParseError},
    sequence::preceded,
    *,
};
use thiserror::Error; // 1.0.38

ChristopherBiscardi

# the scripting-addition must be loaded manually if
# you are running yabai on macOS Big Sur. Uncomment
# the following line to have the injection performed
# when the config is executed during startup.
#
# for this to work you must configure sudo such that
# it will be able to run the command without password

sudo yabai --load-sa
yabai -m signal --add event=dock_did_restart action="sudo yabai --load-sa"

ChristopherBiscardi

#import bevy_pbr::mesh_view_bindings
#import bevy_pbr::mesh_bindings

// NOTE: Bindings must come before functions that use them!
#import bevy_pbr::mesh_functions

#import bevy_shader_utils::simplex_noise_3d
#import bevy_shader_utils::simplex_noise_2d

struct StandardMaterial {