A person commits the offense of assault if he:

A. Purposely or knowingly causes bodily injury to another; or

B. Negligently causes bodily injury to another with a weapon; or

C. Purposely or knowingly makes physical contact of an insulting or provoking nature with any individual; or

D. Purposely or knowingly causes reasonable apprehension of bodily injury to another. The purpose to cause reasonable apprehension or the knowledge that reasonable apprehension would be caused shall be presumed in any case in which a person knowingly points a firearm at or in the direction or another whether or not the offender believes the firearm to be loaded. (Ord. 369 § 1, 1979)