Files
cyberarm_engine/lib/cyberarm_engine/builtin/intro_state.rb

131 lines
4.6 KiB
Ruby

module CyberarmEngine
class IntroState < CyberarmEngine::GameState
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
@born_time = Gosu.milliseconds
@continue_after = 5_000
@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 + @continue_after - 1_000, 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: :swing_to) # CyberarmEngine LOGO
]
end
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
Gosu.draw_rect(0, 0, window.width, window.height, Gosu::Color.rgba(0, 0, 0, 255 * @animators[5].transition), 10_000)
end
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
def button_down(_id)
@continue_after = 0
end
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
end
end