Week 7 Changes

Enemies are now destructible by bullets.

Player can change weapons by pressing space. 

Made enemies move slightly smarter (still not great) There is a bug in the game where enemies will get stuck at some parts on the map.

Added a "main menu option" button to the game over screen. 

Fixed the house collider. It was a box collider before but now it is a polygon collider.

Also increased enemy movement speed. Once the timer hits 30s, the enemies will go berserk and move a lot faster.