Class: Sprite_Page

Inherits:
Object
  • Object
show all
Defined in:
lib/games_paradise/gui/gosu/books/book.rb

Instance Method Summary collapse

Constructor Details

#initialize(x, y, index, page) ⇒ Sprite_Page

Returns a new instance of Sprite_Page.



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# File 'lib/games_paradise/gui/gosu/books/book.rb', line 44

def initialize(x, y, index, page)
  @index, @ticks, @ticks_max, @c = index, 0, 10, Color[:white]
  @sprite = Library.book_page(page)
  width, height = @sprite.width, @sprite.height
  @x1, @y1, @x2, @y2, @x3, @y3, @x4, @y4 = x, y, x+width, y, x, y+504, x+width, y+504
  @offset = width / @ticks_max
  @even = index % 2 == 0
  @z = 50 - index
  return if @even
  @x1, @x2, @x3, @x4 = @x1 - width + @offset * @ticks_max, @x2 - width, @x3 - width + @offset * @ticks_max, @x4 - width
  @y1, @y3 = @y1 - @offset * @ticks_max, @y3 - @offset * @ticks_max
end

Instance Method Details

#draw ⇒ Object

draw



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# File 'lib/games_paradise/gui/gosu/books/book.rb', line 90

def draw
  @sprite.draw_as_quad(@x1,@y1,@c,@x2,@y2,@c,@x3,@y3,@c,@x4,@y4,@c,@z)
end

#flip(kind) ⇒ Object 



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# File 'lib/games_paradise/gui/gosu/books/book.rb', line 87

def flip(kind) @flip, @ticks, @z = kind, @ticks_max, 50 end

#flip? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/games_paradise/gui/gosu/books/book.rb', line 88

def flip?() @flip end

#update ⇒ Object 



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# File 'lib/games_paradise/gui/gosu/books/book.rb', line 57

def update
  @ticks -= 1 if @ticks > 0
  if @flip == :left
    if @even
      @x2 += @offset
      @y2 += @offset
      @x4 += @offset
      @y4 += @offset
    else
      @x1 += @offset
      @y1 -= @offset
      @x3 += @offset
      @y3 -= @offset
    end
  elsif @flip == :right
    if @even
      @x2 -= @offset
      @y2 -= @offset
      @x4 -= @offset
      @y4 -= @offset
    else
      @x1 -= @offset
      @y1 += @offset
      @x3 -= @offset
      @y3 += @offset
    end
  end
  @z = 50 - @index if @flip == :left and @ticks == 0
  @flip = nil if @ticks == 0
end