Partial clone of the classic Asteroids game using animated sprites.

    Demonstrates the use of inheritance and polymorphism in JavaScript.

​

    Inspired by:

      "Challenge #46: Asteroids" by The Coding Train, https://www.youtube.com/watch?v=hacZU523FyM

      "Let's make 16 games in C++: Asteroids" by FamTrinli, https://www.youtube.com/watch?v=rWaSo2usU4A

*/

​

// Initalize environment (gets called once when the page is loaded) 

function preload() {

    loadContent(); // in Game.js

}

​

function setup() {

    createCanvas(1200, 720);

    imageMode(CENTER);

    textFont(font);

    textSize(18);

    fill(80, 255, 80);

    setupSounds();

    createAnimations();

}

​

// Draw/update/animation loop (gets called by p5 library in an endless loop)

function draw() {

    handleEvents(); // in Game.js

    updateEntities();

    drawEntities();

}

​

// it's a terrible idea to extend a built-in type, but here's an example of how it can be done

// this finds a given item in an array and removes it

Object.defineProperty(Array.prototype, 'remove', {

    value: function (item) { this.splice(this.indexOf(item), 1); }

});

​