public virtual void down()
{
RaycastHit2D hit = Physics2D.Raycast(transform.position, -Vector2.up, rayLength, 1 << LayerHelper.getLayer(LayerHelper.Layer.GOUND_NO_COLLISION));
if (hit.collider != null)
{
OneWayPlatform oneWayPlatForm = hit.collider.gameObject.GetComponent <OneWayPlatform>();
oneWayPlatForm.unblock(this.name, 0.1f);
}
}