lecture 2

Question 1

why use a class function?

Answer 1

to reduce duplication of code

Question 2

what does a constructor do?

Answer 2

enables you to provide any custom initialisation that must be done before any other methods can be called on an instantiated object.

Question 3

do you use the function keyword within a class?

Answer 3

no

Question 4

how would you get a class called aliens to use the move and display functions?

Answer 4

aliens.move( ); & aliens.display( );

Question 5

how would you create multiple instances of aliens?(written as code)

Answer 5

let aliens1;
let aliens2;

Question 6

what is used to store multiple instances of a class?

Answer 6

an array

Question 7

function setup() { createCanvas(windowWidth, windowHeight); for (let i = 0; i < 100; i++) { raindrops[i] = new Raindrop(random(20, 40));

in this code what would you adjust to edit the size of the raindrops?

Answer 7

(random(20,40))

Question 8

function setup() { createCanvas(windowWidth, windowHeight); for (let i = 0; i < 100; i++) { raindrops[i] = new Raindrop(random(20, 40)); }

what would you add to make this have greyscale?

Answer 8

new Raindrop(random(20,40),random(0,255));

Question 9

what function would you use to detect a collision?

Answer 9

the intersects() function