Class: Floorplanner::Wall3D

Inherits:
Geom::TriangleMesh show all
Defined in:
lib/floorplanner/wall3d.rb

Constant Summary collapse

UP = 
Geom::Number3D.new(0,0,1)

Instance Attribute Summary collapse

Attributes inherited from Geom::TriangleMesh

#data, #faces, #meshes, #tess, #texcoord, #vertices

Instance Method Summary collapse

Methods inherited from Geom::TriangleMesh

#<<, #bounding_box, #merge, #reverse, #transform_vertices

Constructor Details

#initialize(baseline, thickness, height, name) ⇒ Wall3D

Returns a new instance of Wall3D.



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# File 'lib/floorplanner/wall3d.rb', line 5

def initialize(baseline,thickness,height,name)
  super()
  @baseline  = baseline
  @thickness = thickness
  @height    = height
  @name      = name

  # create inner and outer Edges of wall
  @inner = @baseline.offset(@thickness/2.0,UP)
  @outer = @baseline.offset(-@thickness/2.0,UP)
  @openings = Array.new
end

Instance Attribute Details

#baseline ⇒ Object

Returns the value of attribute baseline.



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# File 'lib/floorplanner/wall3d.rb', line 4

def baseline
  @baseline
end

#inner ⇒ Object

Returns the value of attribute inner.



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# File 'lib/floorplanner/wall3d.rb', line 4

def inner
  @inner
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/floorplanner/wall3d.rb', line 4

def name
  @name
end

#outer ⇒ Object

Returns the value of attribute outer.



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# File 'lib/floorplanner/wall3d.rb', line 4

def outer
  @outer
end

#outline ⇒ Object

Returns the value of attribute outline.



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# File 'lib/floorplanner/wall3d.rb', line 4

def outline
  @outline
end

Instance Method Details

#opening(position, size, type) ⇒ Object 



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# File 'lib/floorplanner/wall3d.rb', line 18

def opening(position,size,type)
  @openings << {:position => position, :size => size, :type => type}
end

#prepare(num_start_connections, num_end_connections) ⇒ Object

create base ‘outline’ polygon of wall



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# File 'lib/floorplanner/wall3d.rb', line 27

def prepare(num_start_connections,num_end_connections)
  @outline = Geom::Polygon.new
  if num_start_connections == 1 || num_start_connections == 2
    @outline.vertices.push(
      @outer.start_point,
      @inner.start_point)
  else
    @outline.vertices.push(
      @outer.start_point,
      @baseline.start_point,
      @inner.start_point)
  end

  if num_end_connections == 1 || num_end_connections == 2
    @outline.vertices.push(
      @inner.end_point,
      @outer.end_point)
  else
    @outline.vertices.push(
      @inner.end_point,
      @baseline.end_point,
      @outer.end_point)
  end
  @outline.vertices.reverse!
  @outline.data[:color] = "#ff9999"
end

#update ⇒ Object 



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# File 'lib/floorplanner/wall3d.rb', line 54

def update
  @openings.each_with_index do |opening,i|
    op = Opening3D.new(@baseline,@thickness,opening)
    op.update
    @meshes << op
    @openings[i] = op
  end
  @openings = @openings.sort_by{|o| o.position.distance(@baseline.start_point.position)}
  @outline.update
  @meshes << @outline

  # create top cap for wall
  top_cap = @outline.clone
  top_cap.transform_vertices(Geom::Matrix3D.translation(0,0,@height))
  @meshes << top_cap
  # flip bottom cap
  @outline.reverse

  # create walls side polygons
  num    = @outline.vertices.length
  starts = [@outer.start_point,@inner.start_point,@baseline.start_point]
  ends   = [@outer.end_point,  @inner.end_point,  @baseline.end_point]
  outs   = [@outer.start_point,@outer.end_point]
  @outline.vertices.each_with_index do |v,i|
    j = @outline.vertices[(i+1) % num]
    # omit starting and ending polygons
    next if ( starts.include?(v) && starts.include?(j) ) ||
            ( ends.include?(v) && ends.include?(j) )

    edge = Geom::Edge.new(v,j)
    poly = edge.extrude(@height,UP)
    mesh = Geom::TriangleMesh.new
    mesh << poly

    # drill holes to side
    @openings.each do |opening|
      opening.drill(mesh,outs.include?(v))
    end
    mesh.update
    @meshes << mesh
  end
end

#windows ⇒ Object 



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# File 'lib/floorplanner/wall3d.rb', line 22

def windows
  @openings.collect{|o| o.window}.compact
end