game: add xp orbs

scenes/enemies/enemy.gd

@@ -15,6 +15,7 @@ var max_health: float
 var god_mode: bool = false
 var is_dead: bool = false
 
+var _xp_orb = preload("res://scenes/xp_orb.tscn")
 
 func _ready() -> void:
 	move_speed = default_move_speed
@@ -57,11 +58,17 @@ func die():
 	if is_dead:
 		return
 	is_dead = true
+	drop_xp_orb()
 	target = null
 	velocity = Vector2.ZERO
 	animation_player.play("die")
 	animation_player.animation_finished.connect(_on_die_anim_finished)
 
+func drop_xp_orb() -> void:
+	var orb: XPOrb = _xp_orb.instantiate()
+	orb.value = 5
+	orb.position = position
+	get_parent().add_child(orb)
 
 func cheer_anim():
 	if not animation_player.is_playing():

scenes/xp_orb.gd

@@ -0,0 +1,4 @@
+class_name XPOrb
+extends Node2D
+
+@export var value: float

scenes/xp_orb.gd.uid

@@ -0,0 +1 @@
+uid://bx43us4qd2vpf

scenes/xp_orb.tscn

@@ -0,0 +1,10 @@
+[gd_scene load_steps=3 format=3 uid="uid://du4dqne3o0d5b"]
+
+[ext_resource type="Script" uid="uid://bx43us4qd2vpf" path="res://scenes/xp_orb.gd" id="1_me6n8"]
+[ext_resource type="Texture2D" uid="uid://crty0t7ryksqn" path="res://assets/sprites/xp_orb.png" id="1_pkphv"]
+
+[node name="XPOrb" type="Node2D"]
+script = ExtResource("1_me6n8")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("1_pkphv")