initial merge

scripts/Main.gd

@@ -43,6 +43,7 @@ func _ready() -> void:
 	_create_ui()
 	_spawn_player()
 	_start_game()
+	add_to_group("main")
 	Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
 
 func _input(event: InputEvent) -> void:
@@ -224,6 +225,7 @@ func _spawn_enemy() -> void:
 	enemy.setup(type, wave)
 	enemy.target = player
 	enemy.connect("died", _on_enemy_died)
+	enemy.connect("merged", _on_enemy_merged)
 
 	# Spawn at random edge
 	var side := randi() % 4
@@ -246,6 +248,31 @@ func _on_enemy_died(points: int) -> void:
 		wave += 1
 		_show_upgrade()
 
+func _spawn_upgraded_enemy(pos: Vector3, type: String, level: int, w: int) -> CharacterBody3D:
+	var enemy := ENEMY_SCENE.instantiate() as CharacterBody3D
+	add_child(enemy)
+	enemy.setup(type, w)
+	enemy.target = player
+	enemy.enemy_level = level + 1
+	enemy.global_position = pos
+	enemy.connect("died", _on_enemy_died)
+	enemy.connect("merged", _on_enemy_merged)
+	var tw := enemy.create_tween()
+	var s: float = 1.0 + level * 0.3
+	tw.tween_property(enemy.mesh_node, "scale", Vector3(s, s, s), 0.2)
+	var col_shape := enemy.get_node_or_null("CollisionShape3D") as CollisionShape3D
+	if col_shape != null and col_shape.shape != null:
+		var s3d: BoxShape3D = col_shape.shape as BoxShape3D
+		var old_size: Vector3 = s3d.size
+		col_shape.shape = BoxShape3D.new()
+		(col_shape.shape as BoxShape3D).size = old_size * s
+	var color := Color(1.0, 1.0, 0.5) if level > 2 else Color(1.0, 0.9, 0.3)
+	tw.tween_property(enemy.mat, "albedo_color", color, 0.25)
+	return enemy
+
+func _on_enemy_merged(_upgrade: bool) -> void:
+	pass
+
 func _on_player_died() -> void:
 	game_active = false
 	spawn_timer.stop()