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define_behavior :fades do
  requires :director
  setup do # |opts| 
    fade_out_time = 3_000
    actor.has_attributes total_fade_time: fade_out_time, fade_time: fade_out_time

    director.when :update do |time_ms, secs|
      actor.fade_time -= time_ms
      alpha = 255 * actor.fade_time / actor.total_fade_time
      actor.remove if actor.fade_time <= 0

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define_stage :demo do
  requires :tween_manager

  curtain_up do
    @player = spawn :player, x: 10, y:30
    tween = tween_manager.tween_properties @player, {x: 600, y:750}, 6_000, Tween::Sine::InOut
    # tweens can be canceled if need be, or they will clean themselves up when finished
    timer_manager.add_timer :foo, 3_000, false do
      tween.cancel!
    end

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define_behavior :faded do
  requires :timer_manager
  setup do
    actor.has_attributes shadows: [], shadows_to_render: opts[:shadows_to_render]

    timer_manager.add_timer timer_name, 100 do
      new_shadow = {x: actor.x, y: actor.y} 
      actor.shadows << new_shadow
      actor.shadows.shift if actor.shadows.size > actor.shadows_to_render
    end

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STATS_DIRECTORIES = [
  %w(Source            src/),
  %w(Config            config/),
  %w(Maps              maps/),
  %w(Unit\ tests       specs/),
  %w(Libraries         lib/),
].collect { |name, dir| [ name, "#{APP_ROOT}/#{dir}" ] }.select { |name, dir| File.directory?(dir) }

desc "Report code statistics (KLOCs, etc) from the application"
task :stats do

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require 'inflector'
# Actor represent a game object.
# Actors can have behaviors added and removed from them.
class Actor
  attr_accessor :behaviors

  def initialize
    @behaviors = {}
    # add our classes behaviors
    class_behaviors = self.class.behaviors.dup

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require 'mode'
require 'level'
require 'director'
require 'actor'

class ActorView
  attr_accessor :actor, :mode
  def initialize(mode,actor)
    @mode = mode
    @actor = actor

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    i = @input_manager
    i.reg KeyDownEvent, K_SPACE do
      ship.warp vec2(rand(400)-100,rand(400)-100)
    end
    i.reg KeyDownEvent, K_LEFT do
      ship.moving_left = true
    end
    i.reg KeyDownEvent, K_RIGHT do
      ship.moving_right = true
    end

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    @input_manager.when :event_received do |event|
      case event
      when KeyDownEvent
        case event.key
        when K_SPACE
          ship.warp vec2(300,300)
        when K_LEFT
          ship.moving_left = true
        when K_RIGHT
          ship.moving_right = true

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class Clock
    def tick()
        passed = Clock.runtime() - @last_tick  # how long since the last tick?
        if @target_frametime
          wait = @target_frametime - passed
          if wait > 0
            return Clock.wait(@target_frametime - passed) + passed
          else
            return passed
          end

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#!/usr/bin/env ruby
$: << "#{File.dirname(__FILE__)}/../config"

require 'environment'
require 'gamebox'

if $0 == __FILE__
  GameboxApp.run ARGV, ENV
end
require 'actor'