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;
}
