Tracking down the spawning of extra enemies; removed extraneous enemy

counting and queue_free of enemies.

player.gd

@@ -30,15 +30,17 @@ func start():
     print(shield)
     shader_active = false
     $Ship.frame = 1
+    $Ship/Boosters.hide()
     $Ship.show()
     position = Vector2(screensize.x / 2, screensize.y)
     var tween = create_tween()
-    tween.tween_property(self, "position:y",  32 * -1, .25).as_relative()
+    tween.tween_property(self, "position:y",  48 * -1, .75).as_relative()
     $GunCooldown.wait_time = cooldown
     set_shield(max_shield)
     print(shield)
     await get_tree().create_timer(2).timeout
     set_process(true)
+    $Ship/Boosters.show()
     can_shoot = true
     # EventBus.shield_changed.emit(max_shield, old_value, shield)
 
@@ -77,13 +79,14 @@ func set_shield(value: int):
     print("Shield set to:", shield)
     if shield <= 0:
       print("Shader deactivated!")
-      EventBus.player_died.emit()
       set_process(false)
       $Ship.hide()
+      shader_active = false
       $Explosion.show()
       $Explosion/AnimationPlayer.play("explosion-one-shot")
       await $Explosion/AnimationPlayer.animation_finished
-      shader_active = false
+      EventBus.player_died.emit()
+
 
 func _on_gun_cooldown_timeout() -> void:
             can_shoot = true