Invulnerability component

scripts/components/damage.gd

@@ -4,17 +4,29 @@ extends Node
 @export var damage: float = 0.25
 @export var area2d: Area2D
 
+
 func _ready() -> void:
 	if not area2d:
 		printerr("No area2d assigned!")
 		return
-		
+
 	area2d.body_entered.connect(on_area2d_body_entered)
 
-func deal_damage(target: HealthComponent):
-	target.decrease_health(damage)
 
-func on_area2d_body_entered(body: Node2D):
+func deal_damage(target: HealthComponent) -> void:
+	target.decrease_health(damage)
+	print("Dealt damage to target!")
+
+
+func on_area2d_body_entered(body: Node2D) -> void:
 	if body.has_node("HealthComponent"):
-		var health_component: HealthComponent = body.get_node("HealthComponent")
+		var health_component: HealthComponent                   = body.get_node("HealthComponent")
+		var invulnerability_component: InvulnerabilityComponent = body.get_node_or_null("InvulnerabilityComponent")
+
+		if invulnerability_component and invulnerability_component.is_invulnerable():
+			return
+
 		deal_damage(health_component)
+
+		if invulnerability_component:
+			invulnerability_component.activate()

scripts/components/invulnerability_component.gd

@@ -0,0 +1,30 @@
+class_name InvulnerabilityComponent
+extends Node
+
+@export var duration: float = 1.0
+@export var flashing_component: FlashingComponent
+
+var invulnerable: bool = false
+
+
+func activate() -> void:
+	if invulnerable:
+		return
+
+	invulnerable = true
+	if flashing_component:
+		flashing_component.start_flashing()
+
+	var timer = get_tree().create_timer(duration)
+	timer.timeout.connect(deactivate)
+
+
+func deactivate() -> void:
+	invulnerable = false
+	if flashing_component:
+		flashing_component.stop_flashing()
+
+
+func is_invulnerable() -> bool:
+	return invulnerable
+