Our (KoalaFish Studios) contribution to the #Games4Australia initiative that we started to raise awareness for the fires in Australia!
It was amazing to see random people from all over the world support what we were doing!
One of the members of our community made a game himself to contribute to the cause!
Jetpack Joyride was our main inspiration for the gameplay, so it shouldn't come as a surprise that we copied one of their best features, the missile.
The missile is a projectile that has 2 stages. In its first stage, the player is shown an exclamation mark on the side of the screen, indicating that something dangerous is about to show up. This warning follows the player on the y-axis but locks itself in place once it has reached the second stage.
In the second stage a projectile enters the screen from the position of the warning and flies at the player. We added our own missile in the form of a fireball and were very pleased with the results.
Another thing that Jetpack Joyride does really well, is the way they spawn their obstacles. I watched this GDC talk where Luke Muscat talks about their interval system and how some of the blame of failing should be put on the game instead of putting it entirely on the player.
I created my own version of their interval system and tweaked it until it felt right, which worked great! I'll showcase the code of the interval system down below, along with a link to the GDC talk.
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