Class: CyberarmEngine::IntroState

Inherits:
GameState
  • Object
show all
Defined in:
lib/cyberarm_engine/builtin/intro_state.rb

Instance Attribute Summary

Attributes inherited from GameState

#game_objects, #global_pause, #options

Instance Method Summary collapse

Methods inherited from GameState

#add_game_object, #button_up, #destroy, #draw_bounding_box, #initialize, #post_setup

Methods included from Common

#current_state, #darken, #draw_rect, #fill, #get_asset, #get_image, #get_sample, #get_song, #lighten, #opacity, #pop_state, #previous_state, #push_state, #shift_state, #show_cursor, #show_cursor=, #window

Constructor Details

This class inherits a constructor from CyberarmEngine::GameState

Instance Method Details

#button_down(_id) ⇒ Object 



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# File 'lib/cyberarm_engine/builtin/intro_state.rb', line 103

def button_down(_id)
  @continue_after = 0
end

#draw ⇒ Object 



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# File 'lib/cyberarm_engine/builtin/intro_state.rb', line 39

def draw
  Gosu.draw_rect(0, 0, window.width, window.height, 0xff_222222)

  scale = (@display_width - @padding * 2).to_f / @cyberarm_engine_logo.width * @animators.last.transition

  @cyberarm_engine_logo.draw_rot(
    window.width / 2,
    (window.height) / 2 - @cyberarm_engine_logo.height / 2 - @padding * 2,
    2,
    0,
    0.5,
    0.5,
    scale,
    scale
  )

  Gosu.draw_rect(
    window.width / 2 - (@display_width / 2 + @padding),
    window.height / 2 - @spacer_height / 2,
    @display_width + @padding,
    @spacer_height * @animators[0].transition,
    Gosu::Color::WHITE
  )

  @title.x = window.width / 2 - @title.width / 2
  @title.y = (window.height / 2 + (@spacer_height / 2) + @padding) * @animators[1].transition
  @title.text = "Powered By"

  Gosu.clip_to(0, window.height / 2 + (@spacer_height / 2), window.width, @title.height) do
    @title.draw
  end

  y = @title.y + @title.height * 2

  Gosu.clip_to(0, y, window.width, @gosu_logo.height) do
    Gosu.translate(@opengl_logo.nil? ? @ruby_logo.width / 2 : 0, 0) do
      @gosu_logo.draw(
        window.width.to_f / 2 - @ruby_logo.width / 2 - (@ruby_logo.width - @padding),
        y * @animators[2].transition,
        2
      )
      @ruby_logo.draw(
        window.width.to_f / 2 - @ruby_logo.width / 2,
        y * @animators[3].transition,
        2
      )
      @opengl_logo&.draw(
        window.width.to_f / 2 - @ruby_logo.width / 2 + (@ruby_logo.width - @padding),
        y * @animators[4].transition,
        2
      )
    end
  end
end

#generate_proxy(title, caption, color_hint) ⇒ Object 



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# File 'lib/cyberarm_engine/builtin/intro_state.rb', line 107

def generate_proxy(title, caption, color_hint)
  @title.text = title
  @caption.text = caption

  width = @spacer_width + 2 * @padding
  height = @title_size + @caption_size + @spacer_height + 2 * @padding + @spacer_height

  Gosu.record(width.ceil, height.ceil) do
    @title.x = (width - @padding * 2) / 2 - @title.width / 2
    @title.y = @padding
    @title.draw

    Gosu.draw_rect(0, @padding + @title_size + @padding, @spacer_width, @spacer_height, Gosu::Color::WHITE)
    Gosu.draw_rect(1, @padding + @title_size + @padding + 1, @spacer_width - 2, @spacer_height - 2, color_hint)

    @caption.x =  (width - @padding * 2) / 2 - @caption.width / 2
    @caption.y = @padding + @title_size + @padding + @spacer_height + @padding
    @caption.draw
  end
end

#setup ⇒ Object 



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# File 'lib/cyberarm_engine/builtin/intro_state.rb', line 3

def setup
  @display_width  = 800
  @display_height = 600

  @title_size = 56
  @caption_size = 24

  @title = CyberarmEngine::Text.new("", size: @title_size, shadow_color: 0xaa_222222)
  @caption = CyberarmEngine::Text.new("", size: @caption_size, shadow_color: 0xaa_222222)

  @spacer_width = 256
  @spacer_height = 6
  @padding = 6

  @cyberarm_engine_logo = get_image "#{CYBERARM_ENGINE_ROOT_PATH}/assets/textures/logo.png"

  @gosu_logo = generate_proxy("Gosu",     "Game Library",         0xff_111111)
  @ruby_logo = generate_proxy("Ruby",     "Programming Language", 0xff_880000)
  @opengl_logo = generate_proxy("OpenGL", "Graphics API",         0xff_5586a4) if defined?(OpenGL)

  base_time = Gosu.milliseconds

  @animators = [
    Animator.new(start_time: base_time += 1000, duration: 100,   from: 0.0, to: 1.0, tween: :ease_in_out),
    Animator.new(start_time: base_time += -500, duration: 1_000, from: 0.0, to: 1.0, tween: :ease_in_out),
    Animator.new(start_time: base_time += 500,  duration: 1_000, from: 0.0, to: 1.0, tween: :ease_in_out),
    Animator.new(start_time: base_time += 500,  duration: 1_000, from: 0.0, to: 1.0, tween: :ease_in_out),
    Animator.new(start_time: base_time +  500,  duration: 1_000, from: 0.0, to: 1.0, tween: :ease_in_out),

    Animator.new(start_time: Gosu.milliseconds + 250, duration: 500, from: 0.0, to: 1.0, tween: :ease_in_out) # CyberarmEngine LOGO
  ]

  @born_time = Gosu.milliseconds
  @continue_after = 5_000
end

#update ⇒ Object 



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# File 'lib/cyberarm_engine/builtin/intro_state.rb', line 94

def update
  @animators.each(&:update)

  return unless Gosu.milliseconds - @born_time >= @continue_after

  pop_state
  push_state(@options[:forward], @options[:forward_options] || {}) if @options[:forward]
end