Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Pixels & Tactics
Search
Amber Feng
October 07, 2015
1
9.6k
Pixels & Tactics
Adventures of building a 2D tactics RPG in the browser!
Amber Feng
October 07, 2015
Tweet
Share
More Decks by Amber Feng
See All by Amber Feng
Move fast, don't break your API
amfeng
18
53k
Building Stripe's API
amfeng
35
52k
Featured
See All Featured
Rails Girls Zürich Keynote
gr2m
93
13k
Measuring & Analyzing Core Web Vitals
bluesmoon
1
40
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
47
5k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
107
49k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
37
1.8k
Automating Front-end Workflow
addyosmani
1365
200k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
28
9.1k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
9
680
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
504
140k
Bash Introduction
62gerente
608
210k
The Cost Of JavaScript in 2023
addyosmani
45
6.6k
VelocityConf: Rendering Performance Case Studies
addyosmani
325
24k
Transcript
PIXELS & TACTICS @amfeng
None
I REALLY LIKE (J-) RPGS
None
None
None
None
None
None
None
WHAT GOES INTO A GAME?
DESIGN PATTERNS
COMPOSE EVERYTHING
None
Crafty.c("Walkable", { Walkable: function(speed) { this.addComponent("Collision"); this.bind("EnterFrame", function() { if
(paused()) return; if (obstacle() || outOfBounds()) return; // Move the sprite this.playAnimation(this.direction); this.move(this.direction, speed); })
Crafty.c("StrollingEntity", { StrollingEntity: function() { this.direction = randomDirection(); this.bind("EnterFrame", function()
{ // Possibly change direction if (chanceToSwitchDirection()) { this.direction = randomDirection(); } } } });
spawnedMonster .Walkable(5) .StrollingEntity() .Battleable()
Crafty.c("AggroEntity", { AggroEntity: function(player) { this.direction = randomDirection(); this.bind("EnterFrame", function()
{ if (playerInRange()) { this.direction = toPlayer(player); } else if (chanceToSwitchDirection()) { // Change direction this.direction = randomDirection(); } } } });
aggroMonster .Walkable(10) .AggroEntity(player) .Battleable()
grandmaNPC .Walkable(2) .StrollingEntity() .Interactable(dialog)
player .Walkable(5) .PlayerControl()
*-FACTORIES
var Fox = function() { this.hp = 10; this.damage =
10; } var WaterFairy = function() { this.hp = 4; this.damage = 6; } var fox = new Fox(); var waterFairy = new WaterFairy();
var Monster = function(attrs) { // Set attrs } var
fox = new Monster({ hp: 4, damage: 6 });
None
var MonsterFactory = function(csv) { this.data = createMap(csv); } MonsterFactory.prototype.create(type)
{ var attrs = this.data[type]; return new Monster(attrs); }
// During game initialization factory = new MonsterFactory(csv); // And
then later factory.create("fox");
SEPARATE VIEWS FROM LOGIC
THINGS I LEARNED (AND I AM STILL LEARNING)
...ASSETS ARE HARD
None
None
None
None
(https://opengameart.org)
(https://gamedevmarket.net)
(http://pixanna.nl/products)
GAME DEV IS INFINITE
THANK YOU! LMK IF YOU END UP BUILDING A GAME
(: @amfeng @jamescshieh