main.coffee.md

Main

Engine GameObject

Modules

• Age

• Bindable

• Bounded

• Clamp

• Cooldown

• Drawable

• Effect

• Expirable

• Follow

• Meter

• Movable

• Rotatable

• Timed Events

• Tween

  require "./setup"

  Engine = require "./engine"

  TouchCanvas = require "touch-canvas"

  {applyStylesheet, extend} = require "./util"

  module.exports = init: (options={}) -> applyStylesheet(require("./style"), "dust")

    {width, height} = options
    width ?= 640
    height ?= 480
  
    canvas = TouchCanvas
      width: width
      height: height
  
    $("body").append $ "<div>",
      class: "main center"
  
    $(".main").append(canvas.element())
    .css
      width: width
      height: height
  
    engine = Engine extend
      canvas: canvas
    , options
  
    engine.start()
  
    return engine
  
  Collision: require "/lib/collision"
  Engine: Engine
  GameObject: require "./game_object"
  GameState: require "./game_state"
  Resource: require "resource"
  Util: require "./util"

  Demo game

  if PACKAGE.name is "ROOT" engine = module.exports.init()

  x = 320
  y = 460
  
  bullets = []
  
  engine.bind "update", ->
    if keydown.left
      x -= 5
  
    if keydown.right
      x += 5
  
    if keydown.space
      bullets.push
        x: x
        y: y
    
    bullets.forEach (b) ->
      b.y -= 10
  
    bullets = bullets.filter ({y}) ->
      y > -10
  
  engine.bind "draw", (canvas) ->
    canvas.drawCircle
      x: x
      y: y
      color: "blue"
      radius: 5
  
    bullets.forEach ({x, y}) ->
      canvas.drawCircle
        x: x
        y: y
        color: "white"
        radius: 2