Add fade away component, simple AI and shooting

scripts/components/fade_away.gd

@@ -0,0 +1,27 @@
+class_name FadeAwayComponent
+extends Node
+
+@export var sprite2d: Sprite2D
+@export var fade_duration: float = 1.0
+@export var speed: float = 10.0
+@export var direction: Vector2 = Vector2.UP
+@export var root: Node2D
+@export var area2d: Area2D
+
+
+func _ready():
+	root = get_parent()
+	if area2d:
+		area2d.body_entered.connect(on_area2d_body_entered)
+
+
+func fade_away() -> void:
+	var fade_tween := create_tween().set_parallel(true)
+	fade_tween.tween_property(sprite2d, "modulate:a", 0, fade_duration)
+	fade_tween.tween_property(sprite2d, "position", sprite2d.position + (direction * speed), fade_duration)
+	await (fade_tween.finished)
+	root.queue_free()
+
+
+func on_area2d_body_entered(_body: Node2D) -> void:
+	fade_away()