Initial commit

scenes/ladder.gd

@@ -0,0 +1,27 @@
+extends Area2D
+
+var _in = false
+var player = null
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	body_entered.connect(_up)
+	body_exited.connect(out)
+	player = get_tree().get_first_node_in_group("player")
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	if player == null:
+		return
+	if player.is_in_group("player") and Input.is_action_pressed("jump") and _in:
+		player.velocity.y = -80
+
+func _up(body):
+	if body.is_in_group("player"):
+		_in = true
+	
+
+func out(body):
+	if body.is_in_group("player"):
+		_in = false