magnetic skill

scripts/components/magnetic_skill.gd

@@ -0,0 +1,63 @@
+class_name MagneticSkillComponent
+extends Node
+
+@export var magnetic_area: Area2D
+@export var root: Node2D
+@export var magnetic_move_duration: float = 1.25
+
+var collectables_to_pickup: Array = []
+
+
+func has_component_in_children(node: Node, component_name: String) -> bool:
+	if not node:
+		return false
+
+	if node.has_node(component_name):
+		return true
+
+	for child in node.get_children():
+		if has_component_in_children(child, component_name):
+			return true
+
+	return false
+
+
+func _ready() -> void:
+	if not magnetic_area:
+		printerr("No magnetic_area assigned!")
+		return
+
+	magnetic_area.body_entered.connect(on_magnetic_area_body_entered)
+	magnetic_area.area_entered.connect(on_magnetic_area_area_entered)
+
+
+func _process(_delta: float) -> void:
+	for collectable in collectables_to_pickup:
+		if not is_instance_valid(collectable):
+			collectables_to_pickup.erase(collectable)
+			continue
+
+		move_collectable_to_root(collectable)
+
+
+func on_magnetic_area_body_entered(_body: Node2D) -> void:
+	pass
+
+
+func on_magnetic_area_area_entered(area: Area2D) -> void:
+	if not has_component_in_children(area, "Collectable"):
+		return
+
+	if not collectables_to_pickup.has(area):
+		collectables_to_pickup.append(area)
+
+
+func move_collectable_to_root(collectable: Node2D) -> void:
+	if not is_instance_valid(collectable):
+		return
+
+	var direction: Vector2 = (root.global_position - collectable.global_position).normalized()
+	var speed: float       = direction.length() / magnetic_move_duration
+
+	collectable.global_position += direction.normalized() * speed
+