A look at various approaches for keyboard input and graphics display in QBasic. Demo code – https://github.com/levidsmith/QBasicShooter Links and Notes QBasic.net – https://www.qbasic.net/ ASCII character chart – https://www.qbasic.net/en/reference/general/ascii-table.htm Keyboard scan codes – https://www.qbasic.net/en/reference/general/scan-codes.htm DOSBox special keys – https://www.dosbox.com/wiki/Special_Keys QBasic advanced memory functions  – http://www.petesqbsite.com/sections/tutorials/tuts/memory.htm Sprites in QBasic – http://www.tedfelix.com/qbasic/sprites.html Introduction to QBasic – http://www.petesqbsite.com/sections/tutorials/tuts/dandd/ WikiBooks … Continue reading QBasic IO and Graphics, Knox Game Design, December 2022 →

Overview of number systems, including decimal base 10, binary base 2, hexadecimal base 16. How to convert between the number systems.  Explanation of addition and subtraction in binary. Links and Notes Podcast theme music – Ride by Pocketmaster

Knox Game Jam games Old Timer Peg Game by Levi Other games by Knox Developers Caverns of Evil (Steam) by Jared Labyrinth (Steam) by James Gospelgo by Danosono

Explanation of how to read text files to display objects to the screen in Unity, GameMaker, MonoGame, Godot, and SDL. Demo project – https://github.com/levidsmith/KnoxGameDesign/tree/master/textreader Links and Notes Podcast theme music – Ride by Pocketmaster

Introduction to the Logo programming language.  Useful for teaching functional programming to beginners.  Explanation of using “turtle graphics” to draw various shapes. Demo project – https://github.com/levidsmith/KnoxGameDesign/tree/master/logo Links and Notes Berkeley Logo Download – http://people.eecs.berkeley.edu/~bh/logo.html Logo Manual – http://people.eecs.berkeley.edu/~bh/downloads/ucblogo.pdf Logo Tutorial – https://el.media.mit.edu/logo-foundation/what_is_logo/logo_programming.html Logo Quick Guide – https://www.tutorialspoint.com/logo/logo_quick_guide.htm Snap! – https://snap.berkeley.edu/ Software Coding for Kids, Logo … Continue reading Logo – Knox Game Design, August 2022 →

Overview of four types of curves that can be used in game development.  Basic parabola for moving objects in an arc.  Sine function for moving objects in a wave motion.  Physics using velocity and acceleration for simulating actions such as jumping and falling.  Bezier curve for moving objects along a curved path.  Examples of functions … Continue reading Curves – Knox Game Design, July 2022 →

Overview of I-frames, invincibility, stun lock, and knock back. How these are implemented in games, statistics from examples of classic games, and demo project showing various methods for implementing invincibility time. Links and Notes Demo project – https://github.com/levidsmith/KnoxGameDesign/tree/master/iframes Podcast theme music – Ride by Pocketmaster

This month’s Knox Game Design presentation topic is Enemy Behaviors. This is a look at various enemy behavior types: Back and forth (timer / collision based) Alert and chase, using distance / timer for stop chasing Move random direction and wait Orbital children, with varying radius length and orbit speed Behavior combination (orbital children and … Continue reading Enemy Behaviors – Knox Game Design, May 2022 →

Games created by Knox area developers for Spring ’22.  Theme was “delay the inevitable”. Links and Notes Cult of the Furnace by Jacob – https://gamejolt.com/games/furnace_cult/706365 Possum Blitz by Levi – https://levidsmith.com/games/possum-blitz/ Podcast theme music – Ride by Pocketmaster

Explanation of calculating collision between basic 3D objects (rectangular solids/cubes and spheres). Methods used can be applied to any programming language or game development environment. Review of demo Ruby code to detect collision between rectangular solids and spheres. Links and Notes Ruby 3D collision calculator – https://github.com/levidsmith/collision3d Caverns of Evil on Steam by BlackJar72 – … Continue reading Basic 3D Collision – Knox Game Design, March 2022 →