Fixed debugger errors in many files and optimized some scenes/code

Enemies/Ghost Enemy.gd

@@ -0,0 +1,61 @@
+extends KinematicBody2D
+
+export var fireball: PackedScene
+
+var player: KinematicBody2D = null
+var move: Vector2 = Vector2.ZERO
+const SPEED: int = 50
+var counter: int = 0
+var velocity: Vector2 = Vector2.ZERO
+var health: int = 4
+
+
+func _ready() -> void:
+    visible = false
+    return
+
+
+func _physics_process(_delta: float) -> void:
+    velocity = Vector2.ZERO
+
+    if player and position.distance_to(player.position) > 1:
+        velocity = position.direction_to(player.position).normalized() * SPEED
+
+    velocity = move_and_slide(velocity)
+    return
+
+
+func _on_Area2D_body_entered(body: Node) -> void:
+    if body.is_in_group('player'):
+        player = body
+        if counter == 0:
+            self.visible = true
+            $AnimatedSprite.play('appear')
+            counter = 1
+    return
+
+
+func _on_AnimatedSprite_animation_finished() -> void:
+    $AnimatedSprite.play('idle')
+    return
+
+
+func _on_Hitbox_area_entered(area: Area2D) -> void:
+    if area.is_in_group('player_weapon_1'):
+        health -= 1
+    elif area.is_in_group('player_weapon_2'):
+        health -= 2
+    if health <= 0:
+        $AnimatedSprite.play('vanish')
+        yield($AnimatedSprite, 'animation_finished')
+        call_deferred('queue_free')
+    return
+
+
+func _on_Projectile_Timer_timeout() -> void:
+    if player:
+        var projectile: Node = fireball.instance()
+        projectile.init($AnimatedSprite.global_position, player.position)
+        get_tree().get_current_scene().get_node('Projectiles').add_child(projectile)
+        $AnimatedSprite.play('shriek')
+    return