ds->ox = (int)(-(bb.l - solids[params->solid]->border) * ds->gridscale);
ds->oy = (int)(-(bb.u - solids[params->solid]->border) * ds->gridscale);
}
ds->ox = (int)(-(bb.l - solids[params->solid]->border) * ds->gridscale);
ds->oy = (int)(-(bb.u - solids[params->solid]->border) * ds->gridscale);
}