added the game

Scripts/Classes/Entities/Enemy.gd

@@ -0,0 +1,39 @@
+@icon("res://Assets/Sprites/Editor/Enemy.png")
+class_name Enemy
+extends CharacterBody2D
+
+signal killed(direction: int)
+
+@export var on_screen_enabler: VisibleOnScreenNotifier2D = null
+@export var score_note_adder: ScoreNoteSpawner = null
+
+var direction := -1
+
+func damage_player(player: Player) -> void:
+	player.damage()
+
+func apply_enemy_gravity(delta: float) -> void:
+	velocity.y += (Global.entity_gravity / delta) * delta
+	velocity.y = clamp(velocity.y, -INF, Global.entity_max_fall_speed)
+
+func die() -> void:
+	killed.emit([-1, 1].pick_random())
+	DiscoLevel.combo_amount += 1
+	DiscoLevel.combo_meter = 100
+	queue_free()
+
+func die_from_object(obj: Node2D) -> void:
+	var dir = sign(global_position.x - obj.global_position.x)
+	if dir == 0:
+		dir = [-1, 1].pick_random()
+	DiscoLevel.combo_amount += 1
+	killed.emit(dir)
+	queue_free()
+
+func flag_die() -> void:
+	if on_screen_enabler != null:
+		if on_screen_enabler.is_on_screen():
+			queue_free()
+			Global.score += 500
+			if score_note_adder != null:
+				score_note_adder.spawn_note(500)