Exploding brick

scripts/components/explosive_component.gd

@@ -0,0 +1,63 @@
+class_name ExplosiveComponent
+extends Node
+
+@export var root: Node2D
+@export var damage: DamageComponent
+@export var area2d: Area2D
+@export var explosion_area2d: Area2D
+@export var explosion_effect: PackedScene
+@export var time_to_explode: float = 9.0
+signal on_explosion(body: Node2D)
+var timer: Timer
+
+
+func _ready() -> void:
+	if not damage:
+		printerr("No damage component assigned!")
+		return
+
+	if not explosion_area2d:
+		printerr("No area2d assigned!")
+		return
+
+	area2d.body_entered.connect(on_area2d_body_entered)
+	area2d.area_entered.connect(on_area2d_area_entered)
+
+	prepare_timer()
+
+
+func prepare_timer() -> void:
+	timer = Timer.new()
+	timer.set_wait_time(time_to_explode)
+	timer.set_one_shot(true)
+	timer.autostart = true
+	timer.timeout.connect(explode)
+	add_child(timer)
+
+
+func explode() -> void:
+	timer.stop()
+
+	if explosion_effect:
+		var effect: Node2D = explosion_effect.instantiate()
+		root.get_parent().add_child(effect)
+		effect.global_position = root.global_position
+
+	var bodies: Array = explosion_area2d.get_overlapping_bodies()
+	for body in bodies:
+		var health_component: HealthComponent = body.get_node_or_null("HealthComponent")
+
+		if damage and health_component:
+			damage.deal_damage(health_component)
+
+		on_explosion.emit(body)
+
+	root.queue_free()
+
+
+func on_area2d_body_entered(_body: Node2D) -> void:
+	explode()
+
+
+func on_area2d_area_entered(_area: Area2D) -> void:
+	explode()