▁Hall ▁or ▁a ▁studio ▁recre ation ▁of ▁it . ▁The ▁Bed ford ▁Arm ory ▁in ▁Crown ▁He ights ▁held ▁several ▁of ▁the ▁movie ' s ▁sets , ▁including ▁Dave ' s ▁labor atory , ▁complete ▁with ▁in active ▁T es la ▁co il ▁gener ators , ▁Dra ke ▁Stone ’ s ▁pent house ▁a partment ▁and ▁even ▁part ▁of ▁Ch in at own . ▁ ▁In ▁the ▁early ▁morning ▁hours ▁of ▁May ▁ 4 , ▁ 2 0 0 9 , ▁a ▁Ferr ari ▁F 4 3 0 ▁being ▁driven ▁during ▁film ing ▁of ▁a ▁ch ase ▁sequence , ▁lost ▁control ▁and ▁care ened ▁into ▁the ▁window ▁of ▁a ▁S bar ro ▁restaurant ▁in ▁Times ▁Square , ▁inj uring ▁two ▁ped est ri ans , ▁one ▁of ▁whom ▁was ▁struck ▁by ▁a ▁falling ▁l am pp ost . ▁Fil ming ▁res umed ▁the ▁following ▁night , ▁when ▁yet ▁another ▁accident ▁occurred . ▁The ▁two ▁acc idents ▁were ▁bl amed ▁on ▁rain ▁making ▁the ▁roads ▁s lick . ▁ ▁To ▁make ▁the ▁magic ▁more ▁bel iev able , ▁it ▁was ▁decided ▁to ▁have ▁an ▁emphas is ▁on ▁practical , ▁on - set ▁effects , ▁such ▁as ▁making ▁real ▁fire , ▁with ▁flu ids ▁or ▁flash ▁pow der ▁being ▁used ▁for ▁colored ▁fl ames . ▁To ▁provide ▁a ▁light ing ▁reference ▁for ▁the ▁pl asma ▁bol ts , ▁the ▁actors ▁wore ▁glo ves ▁with ▁LED ▁displays ▁to ▁make ▁them ▁g low ▁before ▁adding ▁the ▁computer - generated ▁shot . ▁For ▁floating ▁objects , ▁they ▁were