o=obstacle,10,0,620,10
o=obstacle,0,10,10,460
o=obstacle,10,470,620,10
o=obstacle,630,10,10,460

o=obstacle,100,60,10,360
o=obstacle,60,250,110,10
o=obstacle,510,60,10,360
o=obstacle,450,250,110,10

o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r
o=plankton,r,r

o=homingenemy,r,r
o=homingenemy,r,r
o=homingenemy,r,r
o=homingenemy,r,r
o=homingenemy,r,r
o=homingenemy,r,r
o=homingenemy,r,r
o=homingenemy,r,r
o=player,320,240

i=