public static MinecartMember getAt(Location at, MinecartGroup in, double searchRadius) {
if (at == null) return null;
searchRadius *= searchRadius;
MinecartMember result = null;
for (Entity e : at.getBlock().getChunk().getEntities()) {
if (e instanceof Minecart) {
MinecartMember mm = get(e);
if (mm == null) continue;
if (in != null && mm.getGroup() != in) continue;
if (mm.distanceSquared(at) > searchRadius) continue;
result = mm;
if (mm.isHeadingTo(at)) return result;
}
}
return result;
}
