tech design

DESIGN.md

@@ -195,6 +195,10 @@ Persistent pickup rule:
 - The hero keeps collectibles at mission end.
 - The hero loses all collectibles on death.
 
+Squadron mate rule:
+- If the collectible matches the current type, increase mate count (capped at max)
+- Otherwise change the current type
+
 ## Hero
 
 The hero is the player's main actor. It owns mission-persistent inventory and mission-local survival state.
@@ -236,8 +240,8 @@ Rules:
 - All active mates use the same type.
 - The type is determined by the last collected squadron mate pickup.
 - Mates maintain relative position according to type.
-- Mates collide with and consume enemy particles.
-- Mates take no damage from consuming enemy particles.
+- Mates collide with and consume enemy projectiles.
+- Mates take no damage from consuming enemy projectiles.
 
 Changing squadron mate type should preserve count and replace formation behavior. The visual style can change with the final topic.
 
@@ -262,7 +266,7 @@ Line-Formation:
 V-Formation:
 
 - Mates form equidistant positions behind and above or behind and below the hero.
-- Useful for broad forward coverage.
+- Useful for tight maneuvers.
 
 Follow:
 
@@ -282,7 +286,7 @@ Firing ownership matters for balance. Each shot should know whether it came from
 
 Primary weapons have infinite ammo and are influenced by hero level.
 
-Primary weapon families:
+Primary weapon properties:
 
 - Ballistic many-fast-weak shots.
 - Ballistic few-slow-strong shots.
@@ -324,16 +328,13 @@ Special weapon types:
 - Bomb: gravity affects it; it explodes once on impact; lots of ammo.
 - Crawler: gravity affects it; it crawls forward following terrain contour; it explodes once on enemy impact; moderate ammo.
 - Napalm: gravity affects it; it creates a huge horizontal spread and 1 second burn on impact; moderate ammo.
-- Black Hole: grants 3 seconds of invulnerability, pulls enemies, and is destroyed upon player impact; few ammo.
+- Black Hole: grants 3 seconds of invulnerability, pulls enemies which are destroyed upon player impact; few ammo.
 
-Terrain interaction should be optional per mission. Missions without solid terrain can still use Bomb and Napalm with screen-bound impact rules, while Crawler may be disabled in that mission's shop.
-
-## Enemy Projectiles And Particles
+## Enemy Projectiles
 
 Enemy offensive objects should be separated by gameplay role:
 
-- Enemy projectile: damages the hero, may be consumed by eligible primary weapons.
-- Enemy particle: can be consumed by squadron mates without damaging them.
+- Enemy projectile: damages the hero, may be consumed by eligible primary weapons or squadron mates without damaging them.
 - Enemy hazard: part of interactive level content, may damage the hero and may ignore projectile-clear effects.
 
 This separation allows the final topic to change visuals without changing collision rules.
@@ -348,7 +349,6 @@ The shop can later support:
 - Showing mission hint text.
 - Showing currently kept collectibles.
 - Locking special weapons that do not fit the mission.
-- Secret victory requirements.
 
 The first implementation should stay small: choose one special weapon, confirm, enter mission intro.
 
@@ -363,13 +363,13 @@ Top-level flow:
 5. Rebirth retry, game over, normal victory, or secret victory choreography.
 6. Highscore.
 
-Choreography means an authored non-interactive or lightly interactive sequence. It may move actors, play animations, change music, show text, or transition scenes. Choreography should be skippable where appropriate.
+Choreography means an authored non-interactive sequence. It may move actors, play animations, change music, show text, or transition scenes. Choreography should be skippable where appropriate.
 
 ## Mission Loop
 
 Per-mission flow:
 
-1. Open shop for choosing one special weapon type for the next mission.
+1. Show next mission details and open shop for choosing one special weapon type for the next mission.
 2. Queue mission-specific music.
 3. Play mission-specific intro choreography.
 4. Fade to actual gameplay.
@@ -460,8 +460,6 @@ Run-ending highscore state:
 - Player name or initials.
 - Score.
 - Mission reached.
-- Victory type.
-- Optional modifiers.
 
 ## Testing Strategy