flappy bird instantiating pipes problem | Godot Café | Page 1

#

class_name Pipes

var speed : float:
    get:
        return speed
    set(value):
        speed = value


func _process(delta):
    position.x -= speed * delta


func _on_point_area_body_exited(body):
    if body is Bird:
        GameManager.point_scored.emit()


func _on_visible_on_screen_notifier_2d_screen_exited():
    queue_free()


func _on_top_pipe_body_entered(body):
    if body is Bird:
        GameManager.bird_crashed.emit()


func _on_bottom_pipe_body_entered(body):
    if body is Bird:
        GameManager.bird_crashed.emit()

#

PipesSpawner.gd

class_name PipesSpawner

@export var pipes_scene = preload("res://Scenes/Pipes.tscn")
@export var pipes_scroll_speed : float


func _ready():
    GameManager.game_started.connect(_on_game_started)
    GameManager.bird_crashed.connect(_on_bird_crashed)


func spawn_pipes():
    var pipes = pipes_scene.instantiate() as Pipes
    add_child(pipes)
    
    var viewport_rect = get_viewport().get_camera_2d().get_viewport_rect()
    var half_height = viewport_rect.size.y / 2
    pipes.position.x = viewport_rect.end.x
    pipes.position.y = randf_range(viewport_rect.size.y * 0.15 - half_height, viewport_rect.size.y * 0.65 - half_height)

    pipes.speed = pipes_scroll_speed


func stop():
    $SpawnTimer.stop()
    for pipe in get_children().filter(func (child): return child is Pipes):
        (pipe as Pipes).speed = 0


func _on_game_started():
    $SpawnTimer.start()


func _on_spawn_timer_timeout():
    spawn_pipes()


func _on_bird_crashed():
    stop()

#

Pipes node hierarchy:

#flappy bird instantiating pipes problem