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Friday / Dec 9th, 202212/9/2022

Challenges

Featured Challenge:
#175 β€” AppleSoft BASIC 3D Cube

Take a trip back in time and watch me attempt to build a 3D graphics engine in AppleSoft BASIC on a restored Apple II+ computer! Can I render a spinning cube?

nov 12, 2022

AppleSoft BASIC 3D Cube
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Take a trip back in time and watch me attempt to build a 3D graphics engine in AppleSoft BASIC on a restored Apple II+ computer! Can I render a spinning cube?

AppleSoft BASIC 3D Cube

Take a trip back in time and let's learn all about GR (graphics) and HGR (high resolution graphics) in AppleSoft BASIC on a restored Apple II+ computer! Can we render a fractal tree?

AppleSoft Basic Fractal Tree

Take a trip back in time and let's code the Snake Game in AppleSoft BASIC on a restored Apple II+ computer! GOTO and GOSUB! Line numbers!

AppleSoft Basic Snake Game

This project is a collaboration with Grady Hillhouse at the Practical Engineering YouTube channel. This is my attempt to code a simulation of Horizontal Directional Drilling, laparoscopic surgery for the earth!

Horizontal Directional Drilling

Straight out of quantum mechanics, Wave Function Collapse is an algorithm for procedural generation of images. In this video (recorded over 3 live streams) I attempt the tiled model and explore a variety of solutions to the algorithm in JavaScript with p5.js.

Wave Function Collapse

It's the Monty Hall Problem! In JavaScript! With p5.js! Yes, you really double your chances of winning by switching doors. I hope to convince you of this in this video!

The Monty Hall Problem

Happy Pi Day! How many delicious digits of Pi can you catch from the sky? In JavaScript!

Pi in the Sky Game

It's the Mandelbulb! What happens when you take the original fractal (The Mandelbrot Set) and extend it into 3D space. And how do you visualize it in Processing (Java) as a point cloud?

The Mandelbulb

Why do prime numbers show up as diagonals in a spiral? In this video, I create a visualization in JavaScript (p5.js) of the Ulam Spiral (aka Prime Spiral) named for Polish Mathematician Stanislav Ulan.

The Prime (Ulam) Spiral

Let's make ASCII art in p5.js together! In this video, I demonstrate a variety of techniques for translating the pixels of an image into text and finish with rendering video as text ASCII characters in a DOM.

Image to ASCII

Let's make a slide puzzle in p5.js together! We'll be using images, nested loops, and arrays, and by the end of our journey, we'll have a fully playable game!

Slide Puzzle

In this video I explore the wonders of the copy() function in the creative coding platform Processing, simulating slitscan photography and bending time itself! This video is thanks to Tim RodenbrΓΆker’s generous donation to The Processing Foundation!

Slitscan Time Displacement Effect

Have you ever wanted to know more about bΓ©zier curves in p5.js? Thanks to a generous donation from Jason Oswald, I do a deep dive exploring the bΓ©zier curve function and the math behind the algorithm?

BΓ©zier Curves

It's finally time to attempt a Self-Avoiding Walk! In this video, I quickly visualize a simple JavaScript p5.js implementation of a self-avoiding walk. I then tackle the more complex problem of backtracking to find a solution to a space-filling self-avoiding walk.

Self Avoiding Walk

Boing! Time to simulate a spring force! This challenge fits into chapters 2 and 3 of the Nature of Code and demonstrates how to simulate the oscillating motion of a spring using vectors and forces.

Spring Forces

Choo choo! In this challenge, I build on chapter 3 (Oscillating Motion) of the Nature of Code series and simulate a simple pendulum in p5.js via angular acceleration.

Simple Pendulum Simulation

In this episode of Coding in the Cabana, Gloria Pickle and I investigate the Marching Squares algorithm and apply it to Open Simplex Noise in Processing.

Marching Squares

Coding in the Cabana is a series where I attempt challenges from my garden cabana in Brooklyn, NY. In this episode, I explore the beauty of Worley noise.

Worley Noise

πŸ₯§ Happy Pi Day 2020! In this challenge, I build a simple web application using p5.js and node.js to search in the first billion digits of Pi.

Peeking Inside Pi

Coding in the Cabana is a series where I attempt challenges from my garden cabana in Brooklyn, NY. In this episode, I animate the path of the classic "space filling curve" known as the Hilbert Curve.

Hilbert Curve

This challenge uses the pre-trained SketchRNN machine learning model (available with the ml5.js library) to create a p5.js sketch that finishes a person's drawing.

Interactive Drawing with SketchRNN

It's the second episode of Coding in the Cabana! Here I attempt to visualize the Collatz Conjecture in Processing.

Collatz Conjecture

The Ramer–Douglas–Peucker algorithm (aka "iterative end-point fit algorithm"), takes a curve composed of line segments and reduces the fidelty to a "lower fidelity" curve with fewer points.

RDP Algorithm

Coding in the Cabana is a series where I attempt challenges from my garden cabana in Brooklyn, NY. In this episode, I code a visualization of the Maurer Rose pattern in JavaScript (p5.js).

Maurer Rose

In this challenge, I attempt to create a Ukulele tuner in JavaScript using p5.js, ml5.js and the pre-trained machine learning model CREPE: A Convolutional REpresentation for Pitch Estimation. Can you make one with a more elegant and creative interface?

Ukulele Tuner with Machine Learning

In this challenge I generate rainbows using the StyleGAN Machine Learning model available in Runway ML and send the rainbows to the browser with p5.js! This challenge is based on the live coding talk from the 2019 Eyeo Festival.

AI Rainbows with Runway and p5.js

This is a beginner-friendly challenge where I attempt to code a basic version of the game Tic-Tac-Toe using JavaScript and the p5.js library.

Tic Tac Toe

In this coding challenge, I implement the β€œGift Wrapping algorithm” (aka Jarvis march) for calculating a convex hull in JavaScript. This is a foundational topic in computational geometry!

Gift Wrapping Algorithm

In this challenge, I attempt to make my own version of Google’s Dinosaur Game (T-Rex run!) with a unique twist – controlling the dinosaur (unicorn, in this case) with a machine learning Speech Commands model!

Chrome Dinosaur Game

Building off of the previous coding challenge (2D Ray Casting) I attempt to make my own version the original Wolfenstein 3D Raycasting engine and visualize the "field of view" of the moving particle.

Rendering Ray Casting

In this video, I implement a basic ray casting engine with line segment "surfaces" and vector "rays." The result simulates a light source casting shadows in a 2D canvas.

Ray Casting 2D

Inspired by the recent image of the Powehi m87 black hole from the Event Horizon Telescope, I visualize the behavior or light (photons) following the path of spacetime around the black hole in p5.js.

2D Black Hole Visualization

Let's try implementing a famously faster sorting algorithm: the Quicksort! And visualize the process with p5.js!

Quicksort Visualization

Can I build an interactive 3D Rubik's cube in Processing? Yes! Someday I hope to return to this project and add an AI solver!

Rubik's Cube

In this coding challenge, I use the Leibniz formula (aka infinite series) to approximate the digits of Pi and graph the convergence.

Leibniz Formula for Pi

It’s groundhog day on the coding train as I demonstrate another noise loop GIF technique, this time with 4D OpenSimplex Noise in Processing (Java).

4D OpenSimplex Noise Loop

In this multi-part coding challenge I show how to use a noise field and polar coordinates to create a perfect GIF loop.

Polar Noise Loops

In this multi-part challenge, I use a parametric equation (from Wolfram Mathworld) to draw a heart curve in Processing (Java).

Heart Curve

In this video, I follow Mike Ash’s guide to Fluid Simulation and port Jos Stam’s "Real-Time Fluid Dynamics for Games" algorithm and code in Processing (Java).

Fluid Simulation

In this coding challenge, I simulate the β€œBouncing DVD Logo” meme in JavaScript with p5.js.

Bouncing DVD Logo