extends RigidBody2D const SPEED = 300.0 func _ready(): contact_monitor = true func _physics_process(delta): if Input.is_action_pressed(get_meta("UP_KEY")): move_and_collide(Vector2.UP * SPEED * delta) if Input.is_action_pressed(get_meta("DOWN_KEY")): move_and_collide(Vector2.DOWN * SPEED * delta)