public ClayLump copy() { ClayLump ret = new ClayLump(); ret.minX = minX; ret.minY = minY; ret.minZ = minZ; ret.maxX = maxX; ret.maxY = maxY; ret.maxZ = maxZ; ret.icon_id = icon_id; ret.icon_md = icon_md; ret.quat = new Quaternion(quat); return ret; }