private void VectorToGame(byte gridVal)
{
if (_sprWidth == 0)
return;
var trgGrid = _sprY * GridX + _sprX;
for (var cnty = 0; cnty < _sprHeight; cnty++)
{
for (var cntx = 0; cntx < _sprWidth; cntx++)
_gameGrid[trgGrid + cntx] |= gridVal;
trgGrid += GridX;
}
}