Let's make a simple game with Python 3 and iPhone

Do you know an iOS app called Pythonista?

What is Pythonista?

Pythonista is a Python environment that runs on iPhone / iPad and has the following functions.

Python2.7, Python3.5
Code interpolation by IDE, display of error location
Equipped with a debugger, stack trace at the time of error, variable value can be seen
Linter such as style checker and pyflake is installed as standard
In addition to the Python standard library, it includes Pythonista modules for 2D game development, UI, GPS, text speech, Objective C API calls, etc.
It also includes famous open source libraries such as Flask, numpy, and Pandas.
You can use the textures and sound data required for game programming.
You can also use UNIX commands, git, and pip using a method

For Pythonista (Python programmer), it's a wonderful environment where you can code anywhere on the train or in the bathroom.

This time, I tried to make a simple game with only Pythonista and iPhone software keyboard.

The game I made

Flappy bird-style side-scrolling action game

Creation time: About 5 hours on the train

Source code: https://github.com/yukinarit/flappy_alien/blob/master/flappy_alien.py (Just copy and paste to Pythonista and it will work)

Environment

Search for Pythonista from the App Store and install it.

Although not required, I used StaSh to code the shell environment and git on my iPhone. This page (http://qiita.com/kido-akira/items/8fbe7783245e3b7d3bac) may be helpful for installing StaSh.

Using StaSh's git to modify the typo and push it to github

Code description

I made it using the scene, ui, and sound packages of the Pythonista module.

scene package --Scene ... Game screen. Enemy generation, collision detection, and UI operations are implemented here. --SpriteNode ... Draw aliens, blocks, background images --LabelNode class ... used for drawing characters --Action ... Alien fall, block, left scroll of background image
ui package --Used to draw debug information
sound package --Use of ringing SE when tapped

I used the sound and image resources that are pre-installed in Pythonista.

At the end

In this way, you can easily create a game using Pythonista. Personally, I feel great potential as a programming material for children.

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