Unit-0: p5+js & runp5 Documentation

Horizons uses a slightly modified version of p5.js. This repository contains the documentation for all of the parts of p5.js and JavaScript that you will need for Unit 0.

p5.js

General

• [runp5 – running your game]
• [game.goToNextFrame() – the game loop]
• [The game screen: game.width and game.height]

Drawing

• game.background()
• game.fill()
• game.stroke()
• game.line()
• game.rect()
• game.ellipse()
• game.textSize()
• game.text()

User input

• game.keyIsDown()
• game.mouseIsPressed
• game.mouseX
• game.mouseY

Intro to JavaScript

Variables

[Basic values]

• [numbers]
• [strings]
• [undefined]
• [true and false]

[Loops]

• [while loop]
• [for loop]

[Conditionals]

• [if statements]
• [true and false operators]
• [and and or]

Functions

Arrays

• [Overview]
• [.length]
• [.push()]
• [.pop()]
• [.shift]
• [.unshift]

Objects

Math

• [addition, multiplication, subtraction, division]
• [modulo % remainder]
• Math.random()
• Math.sqrt()
• Math.pow()
• Math.sin()
• Math.cos()