extends RayCast3D

# Keep track of what we were just looking at
var current_target: Object = null

func _physics_process(_delta: float) -> void:
	if is_colliding():
		var collider = get_collider()
		if current_target != collider:
			_clear_current_highlight()
			current_target = collider
			if current_target.has_method("startHighlight"):
				current_target.startHighlight()
	else:
		_clear_current_highlight()

func _clear_current_highlight() -> void:
	if current_target != null:
		if current_target.has_method("stopHighlight"):
			current_target.stopHighlight()
		current_target = null