Comparison of file types for holding image data for textures and sprites in games. File types include BMP, GIF, PNG, JPEG, SVG, TIFF, TGA, PCX, HEIC, and WebP. Properties include transparency, compression, lossy vs lossless, and file size. Demonstration of how to programmatically decode and encode PNG files. Compatibility of image files with four game engines (Unity, Unreal Engine, Godot Engine, GameMaker).
Ludum Dare 48 is Friday April 23-26, 2021. Meet with us at The Kitchen at Crafter’s Brew in Oak Ridge for a Ludum Dare kickoff at 7pm Eastern Time on Friday April 23, 2021. For more information on Ludum Dare see ldjam.com. If you make a game, let us know on our Discord channel and we will add it to the website!
Overview of comparison of data types, sorting algorithms, and run times. Demonstration of sorting in Unity with C#, GameMaker with GML, Godot with GDScript, Unreal Engine with C++, and Pico-8 with Lua. For each game development environment, examples are shown for sorting integers, character strings (words), and a custom object type.
Demonstration of how to create a simple humanoid armature in Blender to be used in a game development environment. Explanation of how to assign a mesh to an armature and weight painting. How to create simple walking and standing animation by adding key frames. The model and animation are exported into FBX format and imported into Unity, Godot, and Unreal Engine. C# script for switching between animations in Unity.
Overview of the Allegro game programming library. Compiling a legacy Allegro game with DJGPP through DOSBox. Installing and building a game with Allegro 5 in Visual Studio. How to use event and polling based methods for handling keyboard and gamepad input. Explanation of how to create a “Hello World”, Number Guessing game, and simple space shooter. Comparison of C++ to C, Java, and C#. Explanation of how to load music, sound effects, font, and bitmap files. Review of the Allegro drawing primitives.
Overview of building a Raspberry Pi arcade system. First build was a Raspberry Pi (1) Model B and the second build was a Raspberry Pi 3 Model B. Explanation of what components and tools are needed. Installation the RetroPie operating system and configuration of Retrogame software to convert joystick movement and button presses into simulation key presses.
An overview of creating a game with MonoGame. Installation of MonoGame development environment using Visual Studio. Handling input devices such as keyboard, gamepad, and mouse. How to load assets such as sound effects, music, fonts, and sprite images. Examples of simple number guessing game and space shooter in MonoGame and C#. How to convert an XNA game to MonoGame.
An overview of BBS (Bulletin Board System) games from the 1990s. How to connect to a telnet BBS to play DOOR games. Creating ANSI graphics with ACiD draw in DOSBox. VT100 color codes explained. A simple telnet server created in Ruby, which displays system time, counts to ten, displays an ANSI file, and has a number guessing game.
An overview of color for game developers. How various colors are made on the computer using RGB and HSV formats. The color spectrum and the ROY G BIV order for colors. Where visible color exists on the electromagnetic wavelength scale. Color displays on CRT (Cathode Ray Tube) and LED (Light Emitting Diode) devices. Converting between color representation in float, decimal, and hex formats. Difference between hue, saturation, and value. Various modifiers in the Gimp image editor such as Colorize, Posterize, Color Balance, and layers. Console color palettes and historical video modes. Color pickers and other tools for making color themes.