local p1 = self.object:getpos();
    for _,ent in ipairs(ents) do
        local p2 = ent:getpos();
        local lenx = math.abs(p2.x - p1.x);
        local leny = math.abs(p2.y - p1.y);
        local lenz = math.abs(p2.z - p1.z);
        local hypot = math.sqrt((lenx * lenx) + (lenz * lenz));
        local dist = math.sqrt((hypot * hypot) + (leny * leny));
        local damage = (explosion_damage * dist / explosion_range);
        ent:set_hp(ent:get_hp() - damage);
    end