fix(ship-death): debris hereten inèrcia (captura velocitat abans del markHit) i comparteixen dispersió amb enemics

source/game/scenes/game_scene.cpp

@@ -723,30 +723,36 @@ void GameScene::tocado(uint8_t player_id) {
     if (hit_timer_per_player_[player_id] == 0.0F) {
         // *** PHASE 1: TRIGGER DEATH ***
 
+        // Capturar velocitat ABANS del markHit (que la reseteja a zero).
+        // Sense això, els debris no hereten cap inèrcia de la nau.
+        const Vec2 SHIP_VEL_PRE_DEATH = ships_[player_id].getVelocityVector();
+        const Vec2 SHIP_POS = ships_[player_id].getCenter();
+        const float SHIP_ANGLE = ships_[player_id].getAngle();
+        const float SHIP_BRIGHT = ships_[player_id].getBrightness();
+
         // Mark ship as dead (stops rendering and input)
         ships_[player_id].markHit();
 
-        // Create ship explosion
-        const Vec2& ship_pos = ships_[player_id].getCenter();
-        float ship_angle = ships_[player_id].getAngle();
-        Vec2 vel_nau = ships_[player_id].getVelocityVector();
-        // Reduir la velocity heretada per la ship segons defaults (més realista)
-        constexpr float INHERIT = Defaults::Physics::Debris::SHIP_VELOCITY_INHERITANCE;
-        Vec2 vel_nau_80 = {.x = vel_nau.x * INHERIT, .y = vel_nau.y * INHERIT};
+        const Vec2 INHERITED_VEL = SHIP_VEL_PRE_DEATH *
+            Defaults::Physics::Debris::SHIP_VELOCITY_INHERITANCE;
 
+        // Mateixa dispersió i efecte que els debris d'enemic (lifetime,
+        // friction, segment_multiplier alineats); només canvien sound i color.
         debris_manager_.explode(
-            ships_[player_id].getShape(),               // Ship shape (3 lines)
-            ship_pos,                                   // Center position
-            ship_angle,                                 // Ship orientation
-            1.0F,                                       // Normal scale
-            Defaults::Physics::Debris::VELOCITAT_BASE,  // 80 px/s
-            ships_[player_id].getBrightness(),          // Heredar brightness
-            vel_nau_80,                                 // Heredar 80% velocity
-            0.0F,                                       // Nave: trayectorias rectas (sin drotacio)
-            0.0F,                                       // Sin herencia visual (rotación aleatoria)
-            Defaults::Sound::EXPLOSION2,                // Sonido alternativo para la explosión
-            Defaults::Palette::SHIP                     // Debris hereda color de la nave
-        );
+            ships_[player_id].getShape(),
+            SHIP_POS,
+            SHIP_ANGLE,
+            1.0F,
+            Defaults::Physics::Debris::VELOCITAT_BASE,
+            SHIP_BRIGHT,
+            INHERITED_VEL,
+            0.0F,  // sense herència angular
+            0.0F,  // sin herencia visual
+            Defaults::Sound::EXPLOSION2,
+            Defaults::Palette::SHIP,
+            Defaults::Physics::Debris::ENEMY_LIFETIME,
+            Defaults::Physics::Debris::ENEMY_FRICTION,
+            Defaults::Physics::Debris::ENEMY_SEGMENT_MULTIPLIER);
 
         // Start death timer (non-zero to avoid re-triggering)
         hit_timer_per_player_[player_id] = Defaults::Game::HIT_TIMER_TRIGGER_DEATH;