init

interactables/dungeon/scripts/pressure_plate.gd

@@ -0,0 +1,43 @@
+class_name PressurePlate extends Node2D
+
+signal activated
+signal deactivated
+
+var bodies := 0
+var is_active := false
+var offset_rectangle: Rect2
+
+@onready var area: Area2D = $Area2D
+@onready var audio: AudioStreamPlayer2D = $AudioStreamPlayer2D
+@onready var audio_activate: AudioStream = preload("res://interactables/dungeon/lever-01.wav")
+@onready var audio_deactivate: AudioStream = preload("res://interactables/dungeon/lever-02.wav")
+@onready var sprite: Sprite2D = $Sprite2D
+
+func _ready() -> void:
+	area.body_entered.connect(on_body_entered)
+	area.body_exited.connect(on_body_exited)
+	offset_rectangle = sprite.region_rect
+
+func on_body_entered(_body: Node2D) -> void:
+	bodies += 1
+	calc_state_activated()
+
+func on_body_exited(_body: Node2D) -> void:
+	bodies -= 1
+	calc_state_activated()
+
+func calc_state_activated() -> void:
+	if bodies > 0 and !is_active:
+		is_active = true
+		sprite.region_rect.position.x = offset_rectangle.position.x - 32
+		activated.emit()
+		play_audio(audio_activate)
+	elif bodies <= 0 and is_active:
+		is_active = false
+		sprite.region_rect.position.x = offset_rectangle.position.x
+		deactivated.emit()
+		play_audio(audio_deactivate)
+
+func play_audio(stream: AudioStream) -> void:
+	audio.stream = stream
+	audio.play()