private void Update()
{
Camera camera = this.GetComponent <Camera>();
camera.SetPixelSizeCentered(resolution.GetFillByMultiplier(ScreenExtensions.GetSize(), 2.0f));
camera.SetOrthographicSize(resolution / pixels_per_unit);
}
static public void SetPixelSizeCentered(this Camera item, Vector2 size)
{
item.pixelRect = RectExtensions.CreateCenterRect(ScreenExtensions.GetCenter(), size);
}