class CyberarmEngine::BackgroundNineSlice

Attributes

height[RW]
width[RW]
x[RW]
y[RW]
z[RW]

Public Class Methods

new(image_path:, x: 0, y: 0, z: 0, width: 64, height: 64, mode: :tiled, left: 4, top: 4, right: 56, bottom: 56) click to toggle source
# 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

Public Instance Methods

cheight() click to toggle source
# File lib/cyberarm_engine/background_nine_slice.rb, line 54
def cheight
  @cy - @height
end
cwidth() click to toggle source
# File lib/cyberarm_engine/background_nine_slice.rb, line 50
def cwidth
  @cx - @width
end
cx() click to toggle source
# File lib/cyberarm_engine/background_nine_slice.rb, line 42
def cx
  @x + @left
end
cy() click to toggle source
# File lib/cyberarm_engine/background_nine_slice.rb, line 46
def cy
  @y + @top
end
draw() click to toggle source
# File lib/cyberarm_engine/background_nine_slice.rb, line 66
def draw
  @mode == :tiled ? draw_tiled : draw_stretched
end
draw_stretched() click to toggle source
# 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() click to toggle source
# 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() click to toggle source
# 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() click to toggle source
# 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() click to toggle source
# 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