Add functionality to die when hitting a pipe

game/game.gd

@@ -32,4 +32,10 @@ func spawn_pipes() -> void:
 
 func on_game_over():
 	#GameManager.load_main_scene()
-	pass
+	stop_pipes()
+
+
+func stop_pipes():
+	spawn_timer.stop()
+	for pipe in pipes_holder.get_children():
+		pipe.set_process(false)

pipes/pipes.gd

@@ -14,3 +14,8 @@ func _process(delta):
 
 func _on_visible_on_screen_notifier_2d_screen_exited():
 	queue_free()
+
+
+func _on_pipe_body_entered(body):
+	if body.is_in_group(GameManager.GROUP_PLANE):
+		body.die()

pipes/pipes.tscn

@@ -19,4 +19,6 @@ position = Vector2(0, 80)
 [node name="VisibleOnScreenNotifier2D" type="VisibleOnScreenNotifier2D" parent="."]
 position = Vector2(90, 0)
 
+[connection signal="body_entered" from="UpperPipe" to="." method="_on_pipe_body_entered"]
+[connection signal="body_entered" from="LowerPipe" to="." method="_on_pipe_body_entered"]
 [connection signal="screen_exited" from="VisibleOnScreenNotifier2D" to="." method="_on_visible_on_screen_notifier_2d_screen_exited"]

plane/plane.gd

@@ -3,6 +3,8 @@ extends CharacterBody2D
 const GRAVITY: float = 1900.0
 const POWER: float = -400.0
 
+var dead := false
+
 @onready var animation_player = $AnimationPlayer
 
 
@@ -26,6 +28,9 @@ func fly() -> void:
 
 
 func die() -> void:
+	if dead:
+		return
+	dead = true
 	$AnimatedSprite2D.stop()
 	GameManager.on_game_over.emit()
 	# Disable physics process.

plane/plane.tscn

@@ -59,7 +59,7 @@ _data = {
 "fly": SubResource("Animation_fgssm")
 }
 
-[node name="Plane" type="CharacterBody2D"]
+[node name="Plane" type="CharacterBody2D" groups=["plane"]]
 script = ExtResource("1_26bih")
 
 [node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="."]

singletons/game_manager.gd

@@ -2,6 +2,8 @@ extends Node
 
 signal on_game_over
 
+const GROUP_PLANE: String = "plane"
+
 var game_scene: PackedScene = preload("res://game/game.tscn")
 var main_scene: PackedScene = preload("res://main/main.tscn")