Class: CyberarmEngine::BackgroundNineSlice

Inherits:
Object
  • Object
show all
Includes:
Common
Defined in:
lib/cyberarm_engine/background_nine_slice.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

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, #show_cursor, #show_cursor=, #window

Constructor Details

#initialize(image_path:, x: 0, y: 0, z: 0, width: 64, height: 64, mode: :tiled, left: 4, top: 4, right: 56, bottom: 56) ⇒ BackgroundNineSlice

Returns a new instance of BackgroundNineSlice.



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 6

def initialize(image_path:, x: 0, y: 0, z: 0, width: 64, height: 64, mode: :tiled, left: 4, top: 4, right: 56, bottom: 56)
  @image = get_image(image_path)

  @x = x
  @y = y
  @z = z

  @width = width
  @height = height

  @mode = mode

  @left = left
  @top = top
  @right = right
  @bottom = bottom

  nine_slice
end

Instance Attribute Details

#height ⇒ Object

Returns the value of attribute height.



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 4

def height
  @height
end

#width ⇒ Object

Returns the value of attribute width.



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 4

def width
  @width
end

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 4

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 4

def y
  @y
end

#z ⇒ Object

Returns the value of attribute z.



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 4

def z
  @z
end

Instance Method Details

#cheight ⇒ Object 



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 54

def cheight
  @cy - @height
end

#cwidth ⇒ Object 



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 50

def cwidth
  @cx - @width
end

#cx ⇒ Object 



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 42

def cx
  @x + @left
end

#cy ⇒ Object 



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 46

def cy
  @y + @top
end

#draw ⇒ Object 



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 66

def draw
  @mode == :tiled ? draw_tiled : draw_stretched
end

#draw_stretched ⇒ Object 



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 70

def draw_stretched
  @segment_top_left.draw(@x, @y, @z)
  @segment_top.draw(@x + @segment_top_left.width, @y, @z, width_scale) # SCALE X
  @segment_top_right.draw((@x + @width) - @segment_top_right.width, @y, @z)

  @segment_right.draw((@x + @width) - @segment_right.width, @y + @top, @z, 1, height_scale) # SCALE Y
  @segment_bottom_right.draw((@x + @width) - @segment_bottom_right.width, @y + @height - @segment_bottom_right.height, @z)
  @segment_bottom.draw(@x + @segment_bottom_left.width, (@y + @height) - @segment_bottom.height, @z, width_scale) # SCALE X
  @segment_bottom_left.draw(@x, (@y + @height) - @segment_bottom_left.height, @z)
  @segment_left.draw(@x, @y + @top, @z, 1, height_scale) # SCALE Y
  @segment_middle.draw(@x + @segment_top_left.width, @y + @segment_top.height, @z, width_scale, height_scale) # SCALE X and SCALE Y
end

#draw_tiled ⇒ Object 



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 83

def draw_tiled
  @segment_top_left.draw(@x, @y, @z)

  Gosu.clip_to(@x + @segment_top_left.width, @y, @segment_top.width * width_scale, @segment_top.height) do
    width_scale.ceil.times do |i|
      @segment_top.draw(@x + @segment_top_left.width + (@segment_top.width * i), @y, @z) # SCALE X
    end
  end

  @segment_top_right.draw((@x + @width) - @segment_top_right.width, @y, @z)

  Gosu.clip_to(@x + @width - @segment_top_right.width, @y + @top, @segment_right.width, @segment_right.height * height_scale) do
    height_scale.ceil.times do |i|
      @segment_right.draw((@x + @width) - @segment_right.width, @y + @top + (@segment_right.height * i), @z) # SCALE Y
    end
  end

  @segment_bottom_right.draw((@x + @width) - @segment_bottom_right.width, @y + @height - @segment_bottom_right.height, @z)

  Gosu.clip_to(@x + @segment_top_left.width, @y + @height - @segment_bottom.height, @segment_top.width * width_scale, @segment_bottom.height) do
    width_scale.ceil.times do |i|
      @segment_bottom.draw(@x + @segment_bottom_left.width + (@segment_bottom.width * i), (@y + @height) - @segment_bottom.height, @z) # SCALE X
    end
  end

  @segment_bottom_left.draw(@x, (@y + @height) - @segment_bottom_left.height, @z)

  Gosu.clip_to(@x, @y + @top, @segment_left.width, @segment_left.height * height_scale) do
    height_scale.ceil.times do |i|
      @segment_left.draw(@x, @y + @top + (@segment_left.height * i), @z) # SCALE Y
    end
  end

  Gosu.clip_to(@x + @segment_top_left.width, @y + @segment_top.height, @width - (@segment_left.width + @segment_right.width), @height - (@segment_top.height + @segment_bottom.height)) do
    height_scale.ceil.times do |y|
      width_scale.ceil.times do |x|
        @segment_middle.draw(@x + @segment_top_left.width + (@segment_middle.width * x), @y + @segment_top.height + (@segment_middle.height * y), @z) # SCALE X and SCALE Y
      end
    end
  end
end

#height_scale ⇒ Object 



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 62

def height_scale
  height_scale = (@height - (@top + (@image.height - @bottom))).to_f / (@bottom - @top)
end

#nine_slice ⇒ Object 



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 26

def nine_slice
  @segment_top_left = Gosu.render(@left, @top) { @image.draw(0, 0, 0) }
  @segment_top_right = Gosu.render(@image.width - @right, @top) { @image.draw(-@right, 0, 0) }

  @segment_left = Gosu.render(@left, @bottom - @top) { @image.draw(0, -@top, 0) }
  @segment_right = Gosu.render(@image.width - @right, @bottom - @top) { @image.draw(-@right, -@top, 0) }

  @segment_bottom_left = Gosu.render(@left, @image.height - @bottom) { @image.draw(0, -@bottom, 0) }
  @segment_bottom_right = Gosu.render(@image.width - @right, @image.height - @bottom) { @image.draw(-@right, -@bottom, 0) }

  @segment_top = Gosu.render(@right - @left, @top) { @image.draw(-@left, 0, 0) }
  @segment_bottom = Gosu.render(@right - @left, @image.height - @bottom) { @image.draw(-@left, -@bottom, 0) }

  @segment_middle = Gosu.render(@right - @left, @bottom - @top) { @image.draw(-@left, -@top, 0) }
end

#width_scale ⇒ Object 



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# File 'lib/cyberarm_engine/background_nine_slice.rb', line 58

def width_scale
  width_scale = (@width - (@left + (@image.width - @right))).to_f / (@right - @left)
end