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Pixels & Tactics
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Amber Feng
October 07, 2015
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9.8k
Pixels & Tactics
Adventures of building a 2D tactics RPG in the browser!
Amber Feng
October 07, 2015
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Transcript
PIXELS & TACTICS @amfeng
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I REALLY LIKE (J-) RPGS
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WHAT GOES INTO A GAME?
DESIGN PATTERNS
COMPOSE EVERYTHING
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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 });
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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
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(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