../convert	-r \
	asteroids/ast00.pbm \
	asteroids/ast01.pbm \
	asteroids/ast02.pbm \
	asteroids/ast03.pbm \
	asteroids/ast04.pbm \
	asteroids/ast05.pbm \
	asteroids/ast06.pbm \
	asteroids/ast07.pbm \
	asteroids/ast08.pbm \
	asteroids/ast09.pbm \
	asteroids/ast10.pbm \
	asteroids/ast11.pbm \
	asteroids/ast12.pbm \
	asteroids/ast13.pbm \
	asteroids/ast14.pbm \
	asteroids/ast15.pbm \
	-o obj/asteroids.obj
chmod 644 obj/asteroids.obj
