Time for action – space the shooter up a bit
I've never known a space shooter to take place in front of an apartment building, so let's get rid of our old backdrop. Then we'll pull a fun trick with multiple cameras to add a space backdrop to our game.
Click on the brownstone apartment building GameObject and delete it from the Scene.
Go to GameObject | Create Other | Camera to add a second camera to the scene.
Rename the camera
SpaceCam
.In the Project panel, select the starfield texture.
Go to GameObject | Create Other | GUI Texture.
Suddenly, the starfield image appears in the Game view as shown in the following screenshot:
Suddenly, the starfield image appears in the Game view, but it completely takes over, blocking everything in the Scene! Let's fix this.
In the Hierarchy panel, click on the starfield GUITexture that you just created.
In the Inspector panel, we'll create a new layer. Click on the Layer dropdown and select Add Layer....
Look down the list, past all the built-in layers. The next...