game fix: la velocitat dels globos dins de la fase actual muntava al primer globo explotat

game fix: al trencar una powerball ja no eixien mes globos
style: renombrades variables i funcions

source/player.cpp

@@ -603,10 +603,10 @@ void Player::update() {
 }
 
 // Incrementa la puntuación del jugador
-void Player::addScore(int score, int last_hi_score_entry) {
+void Player::addScore(int score, int lowest_hi_score_entry) {
     if (isPlaying()) {
         score_ += score;
-        qualifies_for_high_score_ = score_ > last_hi_score_entry;
+        qualifies_for_high_score_ = score_ > lowest_hi_score_entry;
     }
 }