// these can be traceLINES as we already verified the starting box
mstart = start + 0.5 * (e.mins + e.maxs);
traceline(mstart, mstart + '1 0 0' * delta_x, MOVE_NORMAL, e);
// these can be traceLINES as we already verified the starting box
mstart = start + 0.5 * (e.mins + e.maxs);
traceline(mstart, mstart + '1 0 0' * delta_x, MOVE_NORMAL, e);