make sprite move

extends Sprite

var speed = 100
var vel = Vector2()


func _ready():
    set_process(true)


func _process(delta):
    if Input.is_key_pressed(KEY_RIGHT):
        vel = Vector2(speed, 0)
    elif Input.is_key_pressed(KEY_LEFT):
        vel = Vector2(-speed, 0)
    elif Input.is_key_pressed(KEY_UP):
        vel = Vector2(0, -speed)
    elif Input.is_key_pressed(KEY_DOWN):
        vel = Vector2(0, speed)
    else:
        vel = Vector2(0, 0)