if in void material resample particle site and moved particle initialize for initial source in fission regions
if in void material resample particle site and moved particle initialize for initial source in fission regions

nhorelik/openmc,samuelshaner/openmc,nhorelik/openmc,mit-crpg/openmc,bhermanmit/openmc,smharper/openmc,mit-crpg/openmc,liangjg/openmc,johnnyliu27/openmc,samuelshaner/openmc,lilulu/openmc,lilulu/openmc,kellyrowland/openmc,shikhar413/openmc,mjlong/openmc,smharper/openmc,shenqicang/openmc,paulromano/openmc,bhermanmit/openmc,mjlong/openmc,amandalund/openmc,amandalund/openmc,paulromano/openmc,samuelshaner/openmc,walshjon/openmc,liangjg/openmc,walshjon/openmc,kellyrowland/openmc,amandalund/openmc,sxds/opemmc,walshjon/openmc,wbinventor/openmc,wbinventor/openmc,sxds/opemmc,shikhar413/openmc,paulromano/openmc,wbinventor/openmc,johnnyliu27/openmc,shenqicang/openmc,lilulu/openmc,walshjon/openmc,mit-crpg/openmc,amandalund/openmc,liangjg/openmc,johnnyliu27/openmc,johnnyliu27/openmc,smharper/openmc,smharper/openmc,liangjg/openmc,shikhar413/openmc,mit-crpg/openmc,paulromano/openmc,samuelshaner/openmc,shikhar413/openmc,wbinventor/openmc