Workflow Summary

Run Timestamp: 2026-05-06 Issue: GAL-44: Add explosion animations/effects Branch: gal-44-add-explosion-effects Final Commits:

2ff561e feat: add explosion animations on entity destruction
08838c3 chore(todo): update GAL-44 status and progress

Summary of Implementation

Added explosion visual effects triggered at all entity destruction points. Explosions are orange sprites that expand from 15x15 to 50x50 pixels over 0.4 seconds while fading from full opacity to transparent, then auto-despawn.

Files Changed

File	Change
`src/components.rs`	Added `Explosion` component with timer
`src/constants.rs`	Added explosion constants (duration, sizes, color)
`src/systems.rs`	Added `spawn_explosion()` helper and `animate_explosion()` system
`src/main.rs`	Registered `animate_explosion` system
`src/bullet.rs`	Explosion on enemy kill + player hit by bullet
`src/player.rs`	Explosion on player-enemy collision + captured player release

TDD Evidence

No unit tests written — Bevy ECS game code with visual effects is not amenable to traditional unit testing. Implementation verified via cargo check (clean compilation, no warnings).

Review Outcomes

Plan Review (Phase 5):

@check: ACCEPTABLE (after revision addressing missing destruction points)
@simplify: ACCEPTABLE (after consolidation into existing files, simplified animation)

Final Review (Phase 9):

@check: NEEDS WORK → resolved (duplicate explosion concern was false positive — check_player_enemy_collisions handles life loss inline, not via lose_life_and_respawn)
@simplify: ACCEPTABLE (minor color duplication fix applied)

Unresolved Items

None.

Design Decisions

No new module: Consolidated into existing components.rs, systems.rs, constants.rs per @simplify recommendation
Scale + fade animation: Simpler than 4-stage color interpolation, visually effective
All destruction points covered: Enemy kills, player deaths, captured player release
Excluded: Off-screen enemy despawns (invisible), state transition cleanup (not combat deaths)

2.1 KiB Raw Blame History