• On Game Over screen, ship persists and should not persist.
• on New Game, clear meteors and reset life count

Specifically the change detection in ship.rs. Can we make this a set of run conditions instead.

Bevy 0.14 is out.

This includes fun new features like Observers in core, as well as great new crates like avian2d (as well as brand new shapes in core).

This code isn't in any workshop yet, so the 0.14 upgrade should focus on refactoring overall in preparation for that.

Destory meteors and UFOS, gain points.

Asteroids has UFO antagonists. Code some UFO AI.

• collision with ship
• collision with lasers
• score when destroyed
• ufo shoots its own lasers at player at intervals

Specifically, when meteors get despawned particles for the "destruction" would be nice. or the ship loses a life (in the future, there is no lives system currently).

Probably use bevy_hanabi for some more dynamic effects rather than playing a flipbook or similar.

a video was requested on youtube for this as well: https://www.youtube.com/watch?v=rA4ud_Gy5_0&lc=Ugy8ajwOA3oupk5zfw94AaABAg

The controls system is monolithic and should be refactored to split up "fire", "turn" and "forward momentum".

• its possible to use leafwing-input-manager although since we aren't supporting multiple control schemes its mostly useful as a semantic abstraction: ex Action::Boost vs KeyCode::ArrowUp or Action::Fire vs KeyCode::Space.
• add "afterburn" system which shows the engine activating when moving "forward". likely a Visibility toggle.

Planning to do this on stream

Asteroids ships can collide with meteors and lose a life.

• add ship colliders that don't intersect with Player's lasers but do intersect with Meteors
• respawn ship when colliding with meteor
• track lives in resource
• show lives in UI
• wait to respawn ship if 0,0 is occupied by another entity that could destroy the ship.

This is an issue because the ship immediately gets destroyed.

• #12
• Meteors should spawn not at 0,0, and randomized

In asteroids, Levels start with a numbers of meteors and level ends when they're destroyed.

In our game, meteors keep spawning. We should implement levels