oldpos = {}
for i = 1,32 do
     oldpos[i] = {0,0}
end

function movepos(id)
     for _,i in pairs(player(0,"team"..player(id,"team").."living")) do
          parse("setpos "..i.." "..oldpos[i][1].." "..oldpos[i][2])
     end
end

addhook("projectile","flash")
function flash(id,w)
     if w == 52 then
          for _,i in pairs(player(0,"team"..player(id,"team").."living")) do
               oldpos[i] = {player(i,"x"),player(i,"y")}
               parse("setpos "..i.." 0 0")
          end
          timer(1,"movepos",id)
     end
end