Harald Hoyer a0863b290c feat(gameplay): add scripted flight paths for special stage enemies ... Add Lissajous and cubic Bezier path types for enemies on special stages (every 3rd level). Path-following enemies spawn with ScriptedPath marker and FollowingPath state, move along parametric curves, and despawn when their path ends off-screen. Key changes: - New flight_paths module with pure path evaluation (Lissajous + Bezier) - ScriptedPath marker component and FollowingPath EnemyState variant - flight_patterns field on StageConfigurations for composable path data - Special stage spawn branch in spawn_enemies() with stagger delays - Path-following movement in move_enemies() with delay gating and despawn - Formation complete early return for special stages - Without<ScriptedPath> filter on attacking_query to prevent double-processing - 13 new unit tests for path evaluation and data contracts Refs: GAL-40		2026-05-07 19:54:18 +02:00
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special_stage.rs	feat(gameplay): add scripted flight paths for special stage enemies	2026-05-07 19:54:18 +02:00