Made ship more responsive, refactored responsibility for hit/death into the thing that got hit/died

Scripts/laser.gd

@@ -1,7 +1,5 @@
 extends Area2D
 
-var explosion = preload('res://Scenes/explosion.tscn')
-var pop = preload("res://Sounds/Explosion.wav")
 var speed = 750
 
 var half_size: Vector2     # half of sprite dimensions (used for wrapping)
@@ -17,21 +15,10 @@ func _physics_process(delta):
 	var rect = get_viewport_rect()
 
 	if position.x < -half_size.x or position.x > rect.size.x + half_size.x or position.y < -half_size.y or position.y > rect.size.y + half_size.y:
-		#print_debug("FREED")
 		queue_free()
 
 func _on_body_entered(body):
 	if body.is_in_group("enemies"):
-		body.queue_free()
-		
-		Utils.play_sound(pop, get_parent())
-		
-		var boom = explosion.instantiate()
-		boom.position = body.global_position
-		boom.scale = body.scale
-		get_parent().add_child(boom)
-		
-		Game.set_score(Game.score + 100)
+		body.hit()
 		
 	queue_free()
-	#print_debug("KILLED")