more easy mode stuff

objects/enemy/artificial_soul.gd

@@ -0,0 +1,35 @@
+tool
+extends "res://objects/enemy/enemy.gd"
+
+## radius in tiles the ghost orbits around
+export var radius: float = 0.0
+## initital rotation offset in 8th circles
+export var initial_angle: float = 0.0
+## speed the ghost revolves in 8th cycles / second
+export var speed: float = 0.0
+
+onready var pivot: Node2D = $Pivot
+onready var remote_transform: RemoteTransform2D = $Pivot/RemoteTransform
+
+func _ready() -> void:
+	pivot.rotation = initial_angle * 0.785398 # TAU / 8.0
+	#Easy mode
+	if Game.is_easy_mode: speed *= Game.easy_mode_speed_factor
+
+func _physics_process(delta: float) -> void:
+	if Engine.editor_hint:
+		return
+	# update radius
+	remote_transform.position.x = radius * 8.0
+	# process rotation
+	pivot.rotation += speed * delta * 0.785398 # TAU / 8.0
+
+func _process(delta: float) -> void:
+	if Engine.editor_hint and Engine.get_frames_drawn() % 10 == 0:
+		get_node("Pivot").rotation = initial_angle * 0.785398 # TAU / 8.0
+		get_node("Pivot/RemoteTransform").position.x = radius * 8.0
+		update()
+
+func _draw() -> void:
+	if Engine.editor_hint:
+		draw_arc(Vector2(4.0, 4.0), radius * 8.0, 0.0, TAU, 17, Color(0.0, 1.0, 1.0, 0.1), 1.5)