Iteration
How can we make our game better and more playable? Let's look at a number of possibilities and then go ahead and implement them.
Multiple different enemy graphics
Let's make the enemies a bit more interesting by adding a few more graphics to the game. First, we need to add the extra graphics to the project. Copy and paste enemy2.png and enemy3.png from the Chapter4/drawables folder of the download bundle into the drawables folder in Android Studio.
enemy2 and enemy3
Now, we just need to amend the EnemyShip constructor. This code generates a random number between 0 and 2, and then switches to load a different enemy bitmap accordingly. Our completed ...
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