private SpriteBatchItem CreateBatchItem(Color Tint, int texId, float Depth)
{
// allocate 4 vertices for this quad, and set the batch pointer to the right offset.
var bi = new SpriteBatchItem()
{
Tint = Tint, TextureID = texId, Depth = Depth, VertexBase = _vertexArray.Count
};
_vertexArray.AddN(4);
return(bi);
}