Class: Level_2

Inherits:
Chingu::GameState
  • Object
show all
Defined in:
lib/games_paradise/gui/gosu/chinguroids/levels.rb

Overview

LEVEL 2 GAMESTATE

nearly identical to Level_1, but with more meteors

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Level_2

Returns a new instance of Level_2.



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# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 160

def initialize
  super
  self.input = { :return => Level_3, :p => Pause, :r => lambda{ current_game_state.setup } }
  $window.caption = "Level 2"
end

Instance Method Details

#collision_check ⇒ Object 



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# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 199

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 



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# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 271

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

#new_meteor ⇒ Object 



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# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 191

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 



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# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 254

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 



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# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 166

def setup
  super
  Bullet.destroy_all    # destroy lingering GameObjects
  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 location, angle, and velocity were saved as constants in Level_1.update
 @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}

  Sound["media/audio/asplode.ogg"]  # cache sound
  Sound["media/audio/exploded.ogg"] # cache sound

  @player.cool_down
  2.times { new_meteor }   # creates 6 meteors and 4 stars

end

#update ⇒ Object 



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# File 'lib/games_paradise/gui/gosu/chinguroids/levels.rb', line 276

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 Meteor1.size + Meteor2.size + Meteor3.size == 0
    after(1000) { push_game_state(Level_3) }
  end
  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
end