working bullet factory

GodotProject/scripts/bullet.gd

@@ -0,0 +1,23 @@
+class_name Bullet extends Area2D
+var speed = 700
+signal hit
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+func _physics_process(delta: float) -> void:
+	position += transform.x * speed * delta
+	
+func setSpeed(value):
+	speed = value
+
+
+func _on_body_entered(body: Node2D) -> void:
+	print("hit")
+	if not body.is_in_group("player"):
+		hit.emit(body)

GodotProject/scripts/gamecontroller.gd

@@ -27,3 +27,8 @@ func _on_trigger_alert(body):
 	if totalBoxes <=0:
 		print("you won")
 		get_tree().reload_current_scene()
+
+func bulletHit(body):
+	print("game controller knows bullet hit something")
+	if body.is_in_group("destructable"):
+		body.queue_free()

GodotProject/scripts/player.gd

@@ -14,6 +14,12 @@ var pushRightEnabled = false
 var pushLeftEnabled = false
 @export var PUSH_FORCE = 700
 
+# Bullet attack variables
+
+@onready var right_target: Node2D = $RightTarget
+@onready var left_target: Node2D = $LeftTarget
+var bullet = preload("res://scenes/bullet.tscn")
+
 var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")
 
 
@@ -41,6 +47,18 @@ func _physics_process(delta):
 	else:
 		velocity.x = move_toward(velocity.x, 0, SPEED)
 
+
+# shoot
+
+	if Input.is_action_just_pressed("shoot"):
+		# make bullet
+		var myBullet = %SceneManager.bulletFactory()
+		owner.add_child(myBullet)
+		myBullet.transform = right_target.global_transform
+		if faceleft:
+			myBullet.transform = left_target.global_transform
+			myBullet.setSpeed(-700)
+
 	move_and_slide()
 	if right_ray.is_colliding():
 		if not faceleft:

GodotProject/scripts/scene_manager.gd

@@ -0,0 +1,23 @@
+extends Node
+@onready var game: Node2D = $".."
+
+var bullet = preload("res://scenes/bullet.tscn")
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+func bulletFactory():
+	print("factory will make a bullet")
+	var myBullet = bullet.instantiate()
+	myBullet.connect("hit", onBulletHit)
+	return myBullet
+
+func onBulletHit(body):
+	print("Scene manager knows bullet hit")
+	game.bulletHit(body)