Class: DXRuby::Tiled::ObjectGroup

Inherits:
Layer
  • Object
show all
Defined in:
lib/dxruby_tiled/objectgroup.rb

Instance Attribute Summary collapse

Attributes inherited from Layer

#name, #offset_x, #offset_y, #opacity, #properties, #visible, #z_index

Instance Method Summary collapse

Methods inherited from Layer

create

Constructor Details

#initialize(data, map) ⇒ ObjectGroup

Returns a new instance of ObjectGroup.



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# File 'lib/dxruby_tiled/objectgroup.rb', line 6

def initialize(data, map)
  super
  @x         = data[:x]         || 0
  @y         = data[:y]         || 0
  @width     = data[:width ]    || map.width
  @height    = data[:height]    || map.height
  @draworder = data[:draworder] || "topdown"
  
  @render_target = DXRuby::RenderTarget.new(DXRuby::Window.width, DXRuby::Window.height)
  @objects = data[:objects].map do |object_hash|
    object = TMEObject.create_from_hash(object_hash, map)
    object.target = @render_target
    if object.is_a? TileObject
      object.scale_x = 1.0 * object_hash[:width ] / object.image.width  * object.scale_x
      object.scale_y = 1.0 * object_hash[:height] / object.image.height * object.scale_y
    end
    object
  end
end

Instance Attribute Details

#draworder ⇒ Object (readonly)

Returns the value of attribute draworder.



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# File 'lib/dxruby_tiled/objectgroup.rb', line 4

def draworder
  @draworder
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/dxruby_tiled/objectgroup.rb', line 4

def height
  @height
end

#objects ⇒ Object (readonly)

Returns the value of attribute objects.



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# File 'lib/dxruby_tiled/objectgroup.rb', line 4

def objects
  @objects
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/dxruby_tiled/objectgroup.rb', line 4

def width
  @width
end

#x ⇒ Object (readonly)

Returns the value of attribute x.



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# File 'lib/dxruby_tiled/objectgroup.rb', line 4

def x
  @x
end

#y ⇒ Object (readonly)

Returns the value of attribute y.



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# File 'lib/dxruby_tiled/objectgroup.rb', line 4

def y
  @y
end

Instance Method Details

#render(x, y, target = DXRuby::Window, z = 0, offset_x = 0, offset_y = 0, opacity = 1.0) ⇒ Object Also known as: draw 



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# File 'lib/dxruby_tiled/objectgroup.rb', line 26

def render(x, y, target = DXRuby::Window, z = 0, offset_x = 0, offset_y = 0, opacity = 1.0)
  if @render_target.width != target.width || @render_target.height != target.height
    @render_target.resize(target.width, target.height)
  end
  @render_target.ox = offset_x + @offset_x + (@fixed ? 0 : x)
  @render_target.oy = offset_y + @offset_y + (@fixed ? 0 : y)
  
  DXRuby::Sprite.update(@objects)
  DXRuby::Sprite.clean(@objects)
  DXRuby::Sprite.draw(
    case @draworder
    when "topdown" then @objects.sort_by { |obj| obj.y }
    when "index"   then @objects.sort_by { |obj| obj.object_id }
    else @objects
    end
  )
  target.draw_alpha(0, 0, @render_target, @opacity * 255, z + @z_index)
end