Class: CyberarmEngine::BorderCanvas

Inherits:
Object
  • Object
show all
Defined in:
lib/cyberarm_engine/ui/border_canvas.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(element:) ⇒ BorderCanvas

Returns a new instance of BorderCanvas.



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# File 'lib/cyberarm_engine/ui/border_canvas.rb', line 5

def initialize(element:)
  @element = element

  @top    = Background.new
  @right  = Background.new
  @bottom = Background.new
  @left   = Background.new
end

Instance Attribute Details

#bottom ⇒ Object (readonly)

Returns the value of attribute bottom.



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# File 'lib/cyberarm_engine/ui/border_canvas.rb', line 3

def bottom
  @bottom
end

#element ⇒ Object (readonly)

Returns the value of attribute element.



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# File 'lib/cyberarm_engine/ui/border_canvas.rb', line 3

def element
  @element
end

#left ⇒ Object (readonly)

Returns the value of attribute left.



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# File 'lib/cyberarm_engine/ui/border_canvas.rb', line 3

def left
  @left
end

#right ⇒ Object (readonly)

Returns the value of attribute right.



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# File 'lib/cyberarm_engine/ui/border_canvas.rb', line 3

def right
  @right
end

#top ⇒ Object (readonly)

Returns the value of attribute top.



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# File 'lib/cyberarm_engine/ui/border_canvas.rb', line 3

def top
  @top
end

Instance Method Details

#color=(color) ⇒ Object 



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# File 'lib/cyberarm_engine/ui/border_canvas.rb', line 14

def color=(color)
  if color.is_a?(Numeric)
    @top.background    = color
    @right.background  = color
    @bottom.background = color
    @left.background   = color

  elsif color.is_a?(Gosu::Color)
    @top.background    = color
    @right.background  = color
    @bottom.background = color
    @left.background   = color

  elsif color.is_a?(Array)
    if color.size == 1
      color = color.first

    elsif color.size == 2
      @top.background    = color.first
      @right.background  = color.first
      @bottom.background = color.last
      @left.background   = color.last

    elsif color.size == 4
      @top.background    = color[0]
      @right.background  = color[1]
      @bottom.background = color[2]
      @left.background   = color[3]
    else
      raise ArgumentError, "color array was empty or had wrong number of elements (expected 2 or 4 elements)"
    end

  elsif color.is_a?(Hash)
    @top.background    = color[:top]
    @right.background  = color[:right]
    @bottom.background = color[:bottom]
    @left.background   = color[:left]
  else
    raise ArgumentError, "color '#{color}' of type '#{color.class}' was not able to be processed"
  end
end

#draw ⇒ Object 



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# File 'lib/cyberarm_engine/ui/border_canvas.rb', line 56

def draw
  @top.draw
  @right.draw
  @bottom.draw
  @left.draw
end

#update ⇒ Object 



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# File 'lib/cyberarm_engine/ui/border_canvas.rb', line 63

def update
  # TOP
  @top.x = @element.x + @element.style.border_thickness_left
  @top.y = @element.y
  @top.z = @element.z

  @top.width  = @element.width - @element.style.border_thickness_left
  @top.height = @element.style.border_thickness_top

  # RIGHT
  @right.x = @element.x + @element.width
  @right.y = @element.y + @element.style.border_thickness_top
  @right.z = @element.z

  @right.width  = -@element.style.border_thickness_right
  @right.height = @element.height - @element.style.border_thickness_top

  # BOTTOM
  @bottom.x = @element.x
  @bottom.y = @element.y + @element.height
  @bottom.z = @element.z

  @bottom.width  = @element.width - @element.style.border_thickness_right
  @bottom.height = -@element.style.border_thickness_bottom

  # LEFT
  @left.x = @element.x
  @left.y = @element.y
  @left.z = @element.z

  @left.width  = @element.style.border_thickness_left
  @left.height = @element.height - @element.style.border_thickness_bottom

  @top.update
  @right.update
  @bottom.update
  @left.update
end