fixed condition so that halos on the world are not piled upon each other this solves part of issue #79
fixed condition so that halos on the world are not piled upon each other
this solves part of issue #79

NikolaySuslov/LivelyKernel,LivelyKernel/LivelyKernel,NikolaySuslov/LivelyKernel,LivelyKernel/LivelyKernel,LivelyKernel/LivelyKernel,pascience/LivelyKernel,NikolaySuslov/LivelyKernel,pascience/LivelyKernel,pascience/LivelyKernel