kinematic collision selection

extends KinematicBody2D
const GRAVITY = 200.0
const WALK_SPEED = 200

var velocity = Vector2()

func _fixed_process(delta):
	if Input.is_action_pressed("ui_up"):
		velocity.y = -WALK_SPEED
	elif Input.is_action_pressed("ui_down"):
		velocity.y = WALK_SPEED
	elif Input.is_action_pressed("ui_left"):
		velocity.x = -WALK_SPEED
	elif Input.is_action_pressed("ui_right"):
		velocity.x =  WALK_SPEED
	else:
		velocity.x = 0
		velocity.y = 0
	var motion = velocity * delta
	move( motion )
	var col = get_collider()
	if is_colliding():  # colliding with Static, Kinematic, Rigid

    if(col.get_name()=="east wall"): # do something
			#if get_collider(get_name()):
        	print ("Collision with ", get_collider().get_name() )

	#if get_collider().get_name().begins_with("north"):
		#print("north wall")
func _ready():
    set_fixed_process(true)