public void addToGrid(TetBlock block)
        {
            int x, y;

            foreach(TetSquare boundingSquare in block.boundingBox){
                if(boundingSquare.isFilled) {
                    Vector2 blockPos = boundingSquare.squarePosition;

                    x = (int)blockPos.X / 30;
                    y = (int)blockPos.Y / 30;

                    try {
                        tetBoard[y][x].isFilled = true;
                    } catch(IndexOutOfRangeException i) {
                        //empty catch
                    }
                }
            }
        }
        //checks if a block has been spawned, and if not, spawns one and shifts focus to it
        public void spawnBlock(GameTime gameTime)
        {
            elapsedTime += (float)gameTime.ElapsedGameTime.TotalMilliseconds;

            if(!blockSpawned) {
                currBlock = blockFactory.spawnBlock();
                blockList.Add(currBlock);
                blockSpawned = true;
            }
        }