Finish the_main_game_scene of first 2D game

first_2d_game/Main.gd

@@ -0,0 +1,54 @@
+extends Node
+
+
+## The scene to use for mobs
+@export var mob_scene : PackedScene
+var score
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass
+
+
+func _on_mob_timer_timeout():
+	var mob = mob_scene.instantiate()
+	var mob_spawn_location = $MobPath/MobSpawnLocation
+	mob_spawn_location.progress_ratio = randf()
+
+	var direction = mob_spawn_location.rotation + PI / 2
+
+	mob.position = mob_spawn_location.position
+
+	direction += randf_range(-PI / 4, PI / 4)
+	mob.rotation = direction
+
+	var velocity = Vector2(randf_range(150.0, 250.0), 0.0)
+	mob.linear_velocity = velocity.rotated(direction)
+
+	add_child(mob)
+
+
+func _on_score_timer_timeout():
+	score += 1
+
+
+func _on_start_timer_timeout():
+	$MobTimer.start()
+	$ScoreTimer.start()
+
+
+func game_over():
+	$ScoreTimer.stop()
+	$MobTimer.stop()
+
+
+func new_game():
+	score = 0
+	$Player.start($StartPosition.position)
+	$StartTimer.start()

first_2d_game/Main.tscn

@@ -0,0 +1,39 @@
+[gd_scene load_steps=5 format=3 uid="uid://dmuja863phygg"]
+
+[ext_resource type="PackedScene" uid="uid://ckfhsdod4ghug" path="res://Player.tscn" id="1_4p8ah"]
+[ext_resource type="Script" path="res://Main.gd" id="1_ftc8b"]
+[ext_resource type="PackedScene" uid="uid://df0p8vv7unjvu" path="res://Mob.tscn" id="2_sjjbm"]
+
+[sub_resource type="Curve2D" id="Curve2D_7kfby"]
+_data = {
+"points": PackedVector2Array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 480, 0, 0, 0, 0, 0, 480, 720, 0, 0, 0, 0, 0, 720, 0, 0, 0, 0, 0, 0)
+}
+point_count = 5
+
+[node name="Main" type="Node"]
+script = ExtResource("1_ftc8b")
+mob_scene = ExtResource("2_sjjbm")
+
+[node name="Player" parent="." instance=ExtResource("1_4p8ah")]
+
+[node name="MobTimer" type="Timer" parent="."]
+wait_time = 0.5
+
+[node name="ScoreTimer" type="Timer" parent="."]
+
+[node name="StartTimer" type="Timer" parent="."]
+wait_time = 2.0
+one_shot = true
+
+[node name="StartPosition" type="Marker2D" parent="."]
+position = Vector2(240, 450)
+
+[node name="MobPath" type="Path2D" parent="."]
+curve = SubResource("Curve2D_7kfby")
+
+[node name="MobSpawnLocation" type="PathFollow2D" parent="MobPath"]
+
+[connection signal="hit" from="Player" to="." method="game_over"]
+[connection signal="timeout" from="MobTimer" to="." method="_on_mob_timer_timeout"]
+[connection signal="timeout" from="ScoreTimer" to="." method="_on_score_timer_timeout"]
+[connection signal="timeout" from="StartTimer" to="." method="_on_start_timer_timeout"]

first_2d_game/Mob.gd

@@ -4,7 +4,7 @@ extends RigidBody2D
 # Called when the node enters the scene tree for the first time.
 func _ready():
 	var mob_types = $AnimatedSprite2D.sprite_frames.get_animation_names()
-	$AnimatedSprite2D.play(mob_types[randi() % mob_types.size())
+	$AnimatedSprite2D.play(mob_types[randi() % mob_types.size()])
 
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.

first_2d_game/Player.gd

@@ -49,7 +49,7 @@ func _process(delta):
 func _on_body_entered(body):
 	hide()
 	hit.emit()
-	$CollisionShape2D.set_deffered('disabled', true)
+	$CollisionShape2D.set_deferred('disabled', true)
 
 func start(pos):
 	position = pos