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Asked By | StsDevSquad |
So I have been following this tutorial from kids can code for a minimap, I got everything working , now my only problem is when a object is destroyed it crashes!! at a certain point in the written tut he explains how to fix it but for some reason I can not get it to work , the error im getting is
connect: In Object of type 'Area2D': Attempt to connect nonexistent signal 'removed' to method 'MarginContainer._on_object_removed'.
<C++ Error> Condition "!signal_is_valid" is true. Returned: ERR_INVALID_PARAMETER
<C++ Source> core/object.cpp:1503 @ connect()
<Stack Trace> Meteor.gd:9 @ _ready()
and here ia my code
**Meteor Code**
extends KinematicBody2D
var minimap_icon = "meteor"
onready var mini = get_node("../Player/Camera2D/CanvasLayer/Minimap")
signal removed()
func _ready():
for object in get_tree().get_nodes_in_group("minimap_objects"):
object.connect("removed",get_node("../Player/Camera2D/CanvasLayer/Minimap"), "_on_object_removed")
var speed = 0
var velocity = Vector2()
func start():
velocity = Vector2(speed, 0).rotated(rotation)
func _physics_process(delta):
var collision = move_and_collide(velocity * delta)
if collision:
queue_free()
if collision.collider.has_method("hit"):
collision.collider.hit()
emit_signal("removed", self)
func _on_VisibilityNotifier2D_screen_exited():
queue_free()
func _on_Meteor_Hit_body_entered(body):
pass
Minimap Code
extends MarginContainer
export (NodePath) var Player
export var zoom = 1.5
onready var Mini = get_node(".")
onready var grid = $MarginContainer/Grid
onready var player_marker = $MarginContainer/Grid/PlayerMarker
onready var tile_marker = $MarginContainer/Grid/TileMarker
onready var meteor_marker = $MarginContainer/Grid/MeteorMarker
onready var icons = {"tile":tile_marker, "meteor": meteor_marker}
var Radar_Scan = false
var grid_scale
var markers= {}
func _on_object_removed(object):
if object in markers:
markers[object].queue_free()
markers.erase(object)
func _ready():
player_marker.position =grid.rect_size /2
grid_scale = grid.rect_size / (get_viewport_rect().size * zoom)
var map_objects = get_tree().get_nodes_in_group("minimap_objects")
for item in map_objects:
var new_marker = icons[item.minimap_icon].duplicate()
grid.add_child(new_marker)
new_marker.show()
markers[item]= new_marker
func _process(delta):
if !Player:
return
player_marker.rotation = get_node(Player).rotation + PI/2
for item in markers:
var obj_pos = (item.position - get_node(Player).position) * grid_scale + grid.rect_size / 2
if grid.get_rect().has_point(obj_pos + grid.rect_position) and Radar_Scan == true :
markers[item].scale = Vector2(0.5, 0.5)
else :
markers[item].scale = Vector2(0.1, 0.1)
if Radar_Scan == false:
markers[item].scale = Vector2(0, 0)
if Input.is_action_just_pressed("Radar_Scan") and Radar_Scan == false:
Radar_Scan = true
if Input.is_action_just_pressed("Map_Zoom_Out") and Radar_Scan == true:
Radar_Scan = false
obj_pos.x = clamp(obj_pos.x, 0, grid.rect_size.x)
obj_pos.y = clamp(obj_pos.y, 0, grid.rect_size.y)
markers[item].position = obj_pos
Yep, I’m having exactly that issue.
Update:
Just found this thread and it solved my problem, I think…
https://www.reddit.com/r/godot/comments/h994is/how_do_i_connect_a_signal_between_two_different/
CassanovaWong | 2022-03-06 00:56