public void SetBackScreen(Texture2D_Ross inTexture) { // need a billboard here to render the texture stored in this Texture2D - and in fact we don't need a t2d here at all if (inTexture == null) { backScreenBillboard = null; return; } if (backScreenBillboard == null) { backScreenBillboard = new Billboard("fescreeback" + myId.ToString()); } backScreenBillboard.SetTexture2D(inTexture); // backScreen = inTexture; }