Class: Level_3

Inherits:

Chingu::GameState

• Object
• Chingu::GameState
• Level_3

Defined in:

lib/games_paradise/gui/gosu/chinguroids/levels.rb

Overview

LEVEL 3 GAMESTATE

almost the same as Level_1 and Level_2

Instance Method Summary

• #collision_check ⇒ Object
• #draw ⇒ Object
• #initialize ⇒ Level_3 constructor

  A new instance of Level_3.

• #new_meteor ⇒ Object
• #screen_shake ⇒ Object
• #setup ⇒ Object
• #update ⇒ Object

Constructor Details

#initialize ⇒ Level_3

Returns a new instance of Level_3.

# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 299

def initialize
  super
  self.input = { :return => Win, :p => Pause, :r => lambda{ current_game_state.setup } }
  $window.caption = "Level 3"
end

Instance Method Details

#collision_check ⇒ Object

# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 340

def collision_check
  Player.each_collision(Star) do |player, star|    # Collide player with stars
    star.destroy
    $score += 300
    $stars += 1
    if $stars != 3
      $star_grab.play(0.6)
    else
      $power_up.play(0.6)
      $stars = 0
      $weapon += 1
    end
  end
  Bullet.each_collision(Meteor1) do |bullet, meteor|    # Collide bullets with meteors
    Explosion.create(:x => meteor.x, :y => meteor.y)
    Meteor2.create(:x => meteor.x, :y => meteor.y)
    Meteor2.create(:x => meteor.x, :y => meteor.y)
    meteor.destroy
    bullet.destroy
    $score += 100
    Sound["media/audio/explosion.ogg"].play(0.2)
    break
  end
  Bullet.each_collision(Meteor2) do |bullet, meteor|    # Collide bullets with meteors
    Explosion.create(:x => meteor.x, :y => meteor.y)
    Meteor3.create(:x => meteor.x, :y => meteor.y)
    Meteor3.create(:x => meteor.x, :y => meteor.y)
    meteor.destroy
    bullet.destroy
    $score += 100
    Sound["media/audio/asplode.ogg"].play(0.2)
    break
  end
  Bullet.each_collision(Meteor3) do |bullet, meteor|    # Collide bullets with meteors
    Explosion.create(:x => meteor.x, :y => meteor.y)
    meteor.destroy
    bullet.destroy
    $score += 100
    Sound["media/audio/asplode.ogg"].play(0.2)
    break
  end
  Player.each_collision(Meteor1) do |starship, meteor|    # Collide player with meteors
    @player.damage
    screen_shake
  end
  Player.each_collision(Meteor2) do |starship, meteor|    # Collide player with meteors
    @player.damage
    screen_shake
  end
  Player.each_collision(Meteor3) do |starship, meteor|    # Collide player with meteors
    @player.damage
    screen_shake
  end
end

#draw ⇒ Object

# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 412

def draw
  Image["../media/assets/background.png"].draw(0, 0, 0)    # Background Image
  super
end

#new_meteor ⇒ Object

# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 332

def new_meteor
  Meteor1.create(:x => rand * 800, :y => rand * 600)
  Meteor2.create(:x => rand * 800, :y => rand * 600)
  Meteor3.create(:x => rand * 800, :y => rand * 600)
  Star.create
  Star.create
end

#screen_shake ⇒ Object

# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 395

def screen_shake
  if @shaking == false
    @shaking = true
    game_objects.each do |object|
      object.x += 10
      after(30) {object.y += 10}
      after(60) {object.x -= 10}
      after(90) {object.y -= 10}
      after(120) {object.x += 10}
      after(150) {object.y += 10}
      after(180) {object.x -= 10}
      after(210) {object.y -= 10}
    end
   after(1000) {@shaking = false}
  end
end

#setup ⇒ Object

# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 305

def setup
  super
  Bullet.destroy_all
  Player.destroy_all
  Star.destroy_all
  Meteor1.destroy_all
  Meteor2.destroy_all
  Meteor3.destroy_all
  Explosion.destroy_all
  if @player != nil; @player.destroy; end

  @player = Player.create(:x => $player_x, :y => $player_y, :angle => $player_angle, :velocity_x => $player_x_vel, :velocity_y => $player_y_vel, :zorder => Zorder::Main_Character)
  @player.input = {:holding_left => :turn_left, :holding_right => :turn_right, :holding_up => :accelerate, :holding_down => :brake, :space => :fire}
  @gui = GUI.create(@player)
  @shaking = true
  after(1000) {@shaking = false}

  @song_fade = false   # music fade used at end of gamestate
  @fade_count = 0
  Sound["media/audio/asplode.ogg"]  # cache sound
  Sound["media/audio/exploded.ogg"]

  @player.cool_down
  3.times { new_meteor }

end

#update ⇒ Object

# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 417

def update
  super
  collision_check
  $player_x, $player_y = @player.x, @player.y  # save position, angle, velocity for next level
  $player_angle, $player_x_vel, $player_y_vel = @player.angle, @player.velocity_x, @player.velocity_y
  if $health == 0
    Explosion.create(:x => @player.x, :y => @player.y)
    @player.destroy
    $music.stop
    after(1000) { push_game_state(Chingu::GameStates::FadeTo.new(GameOver.new, :speed => 10)) }
  end
  if Meteor1.size + Meteor2.size + Meteor3.size == 0   # if there are no more meteors
    after(1000) { @song_fade = true }                    # fade out music
    after(3000) { push_game_state(Win) }                 # push Win gamestate   This is the exact moment when you win!
  end

  if @song_fade == true  # music fades out when true
    @fade_count += 1
    if @fade_count == 20
      @fade_count = 0
      $music.volume -= 0.1
    end
  end

end