void buildBlackBox(SpriteRenderer spriteRenderer)
{
var blackTexture = new Texture2D(spriteRenderer.graphics.GraphicsDevice, 1, 1);
blackTexture.SetData(new byte[] { 0, 0, 0, 255 });
blackBox = spriteRenderer.add(new Sprite(), blackTexture, new Point(1, 1));
blackBox.setScreenPosition(0, Camera.main.pixelHeight - blackBoxHeight);
blackBox.setDepth(-8.75f);
blackBox.transform.localScale = new Vector3(Camera.main.pixelWidth, blackBoxHeight, 1f);
blackBox.isVisible = false;
}
