A basic prototyping environment
To create a simple environment, in which to prototype some game mechanics, we'll begin with a basic series of objects with which to introduce gameplay that allows the player to aim and shoot at a wall of primitive cubes.
When complete, your prototyping environment will feature a floor comprised of a cube primitive, a main camera through which to view the 3D world and a Point Light setup to highlight the area where our gameplay will be introduced. It will look something like this:
Setting the scene
As all new scenes come with a Main Camera object by default, we'll begin by adding a floor for our prototyping environment. ...