04_functions.md

Functions (and here comes Objects)

The videos in this section were created ~2 years ago. They use different editors for p5.js. All of the concepts should still apply, however, there are some minor changes. Most notably in JavaScript let is now the preferred way to declare a variable over var. If you would like to learn more about this you can watch this video about let vs var.

Modularity

• 5.1: Function Basics - video tutorial
  • Bouncing ball with functions code example

Re-usability

• 5.2: Function Parameters and Arguments - video tutorial
  • Dice no functions code example
  • Dice w/ functions code example
  • Robots from Getting Started with p5.js Code Example
• 5.3: Functions and Return - video tutorial
  • Implementing distance function code example

Recursion

• Coding Challenge video: Recursion
  • recursion code example
• Coding Challenge video: Fractal Tree - note this video uses the p5.dom function createSlider() which we have yet to cover in class!
  • fractal tree code example