Tag: Tutorial
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From Apple to Raspberry Pi: Making Icons and Cool Buttons
If there is one thing that Apple developers believe, user interfaces needs to look cool. Looking cool often requires not text, but images on your on your controls. While not as robust as UIView and its subclasses, Tkinter does display graphics. We can add buttons that look a lot better than the standard buttons. Make…
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From Apple to Raspberry Pi: Using Strings
There are several ordered types in Python, one of the most common is the string. In Xcode, we defined a NSString this way: Objective-C has the @”…” indicators for a string. Python on the other hand can use the much easier “…” or ‘…’ The use of double or single quotes allows for the use…
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The Slippy Flippy Dare: Making a Basic Obstacle
To make a game fun there must be a challenge. One of those challenges is some obstacle in your path or headed towards you. In both Flappy Bird and SlippyFlippyPenguin that obstacle is a large rectangle with a gap in it. Your job is to get through the gap. If you do, you score a …
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SlippyFlippy 1.1: Adding a Fading-in and out Label with Background in SpriteKit
Today we have a bug to deal with in SlippyFlippyPenguin. There are a two reports of when a user selects the hard skill level the game immediately goes to game over. I cannot find anything that is different in the code to account for this except user error. I think the user error is users…
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SlippyFlippy 1.1: Making a High and Low Score Indicator
This is the first of my improvements to the SlippyFlippy penguin game. While this may not make sense since I have not posted all the game code yet, it might help those trying to come up with some of these solutions for their own games. While playing against some of my friends on our different…
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from Apple to Raspberry Pi: Making Classes in Python
Objective-C and Python are similar when it comes to defining new classes, but be careful with their differences. In Objective-C we would define a class with two files: a header and an implementation file. In the header we would declare properties like this And possibly public methods In the implementation file we would have the…
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The Slippy Flippy Dare: How to Use Basic Physics in Sprite Kit
In the last installment of this series I showed two kinds of animation: SKAction and using the update: method from frame animation. The third major type of animation is using the physics engine. A physics engine takes the mathematical laws of physics and adds them to the scene. It removes the developer from the math…
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From Apple to Raspberry Pi: While Loops
In Xcode, both in Objective-C and C, we have the while loop. The python equivalent is also while Since we already understand the block, know sometimes as a suite in Python, while loops in Python are very simple to use. We can use break in a loop to break execution. This is a valid loop…
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The Slippy Flippy Challenge: How to Move a Sprite
Back in February, I bragged once that I could put together Flappy Bird in a week. Someone called my bluff, and I was challenged to do so. I did put together a game like Flappy Bird, and now I’ll show you how I did it. Last time we put a sprite of a penguin on…
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The Making App Pie Tutorial: The Adventure Begins
I’ve been at Xcode and cocoa Touch for over a year. I’ve had over 1,400 downloads of my apps from the app store and learned a lot about programming in Xcode. I’ve realized something during this time: Programming in OOP is not like programming in C or Basic. When you have a graphic environment like…
Make App Pie 